STATE OF NEW MEXICO - NWPL FINAL DRAFT RATINGS

U.S. ARMY CORPS OF ENGINEERS, COLD REGIONS RESEARCH AND ENGINEERING LABORATORY (CRREL)

Species Authorship AW GP WMVC Common Name

Abies bifolia A. Murr. FACU - FACU Rocky Mountain Alpine Fir

Abutilon theophrasti Medik. UPL UPL FACU Velvetleaf

Acacia greggii Gray FACU UPL FACU Long-Flower Catclaw

Acer glabrum Torr. FAC FAC FACU Rocky Mountain Maple

Acer grandidentatum Nutt. FACU FAC FACU Canyon Maple

Acer negundo L. FACW FAC FAC Ash-Leaf Maple

Acer saccharinum L. FAC FAC FAC Silver Maple

Achillea millefolium L. FACU FACU FACU Common Yarrow

Achnatherum hymenoides (Roemer & J.A. Schultes) Barkworth UPL FACU UPL Indian Rice Grass

Achnatherum nelsonii (Scribn.) Barkworth FACU UPL UPL Nelson's Rice Grass

Aconitum columbianum Nutt. FACW FACW FACW Columbian Monkshood

Actaea rubra (Ait.) Willd. FAC FACU FACU Red Baneberry

Adiantum capillus-veneris L. FACW FACW FACW Southern Maidenhair

Adoxa moschatellina L. FAC FAC FAC Muskroot

Agalinis tenuifolia (Vahl) Raf. FACW FAC FAC Slender-Leaf False Foxglove

Agoseris aurantiaca (Hook.) Greene FAC - FACU Orange-Flower Goat-Chicory

Agoseris glauca (Pursh) Raf. FACU FACU FAC Pale Goat-Chicory

Agoseris parviflora (Nutt.) D. Dietr. FACU UPL UPL Small-Flower Goat-Chicory

Agrimonia gryposepala Wallr. FAC FAC FACW Tall Hairy Grooveburr

Agrimonia striata Michx. FACU FACU FACU Woodland Grooveburr

Agrostis elliottiana J.A. Schultes FACU FACU FACU Elliott's Bent

Agrostis exarata Trin. FACW FACW FACW Spiked Bent

Agrostis gigantea Roth FACW FACW FAC Black Bent

Agrostis hyemalis (Walt.) B.S.P. FACW FACW FACW Winter Bent

Agrostis idahoensis Nash FACW FACW FACW Idaho Bent

Agrostis scabra Willd. FAC FAC FAC Rough Bent

Agrostis stolonifera L. FACW FACW FAC Spreading Bent

Ailanthus altissima (P. Mill.) Swingle FACU FACU FACU Tree-of-Heaven

Draft Rating 2012

Alhagi maurorum Medik. FAC FAC FAC Camelthorn

Aliciella mcvickerae (M.E. Jones) J.M. Porter UPL FACU UPL Mcvicker's Cheat Gily-Flower

Aliciella pinnatifida (Nutt. ex Gray) J.M. Porter FACU FAC FAC Sticky Cheat Gily-Flower

Alisma gramineum Lej. OBL OBL OBL Narrow-Leaf Water-Plantain

Alisma subcordatum Raf. OBL OBL OBL American Water-Plantain

Alisma triviale Pursh OBL OBL OBL Northern Water-Plantain

Allenrolfea occidentalis (S. Wats.) Kuntze FACW FACW FACW Iodinebush

Allium bisceptrum S. Wats. FACU - FAC Aspen Onion

Allium cernuum Roth FACU UPL FACU Nodding Onion

Allium geyeri S. Wats. FACU FACU FACU Geyer's Onion

Almutaster pauciflorus (Nutt.) A.& D. Löve FACW FACW FACW Marsh-Aster

Alnus incana (L.) Moench FACW FACW FACW Speckled Alder

Alnus oblongifolia Torr. FACW FACW FACW Arizona Alder

Alopecurus aequalis Sobol. OBL OBL OBL Short-Awn Meadow-Foxtail

Alopecurus carolinianus Walt. FACW FACW FACW Tufted Meadow-Foxtail

Alopecurus geniculatus L. OBL OBL OBL Marsh Meadow-Foxtail

Alopecurus myosuroides Huds. FACW FACW FACW Slender Meadow-Foxtail

Alopecurus pratensis L. FACW FACW FAC Field Meadow-Foxtail

Amaranthus acanthochiton Sauer FACU FACU FACU Greenstripe

Amaranthus albus L. FACU FACU FACU Tumbleweed

Amaranthus arenicola I.M. Johnston FACU FACU FAC Sandhill Amaranth

Amaranthus blitoides S. Wats. FACW FAC FACW Mat Amaranth

Amaranthus californicus (Moq.) S. Wats. FACW FACW FACW California Amaranth

Amaranthus crassipes Schlecht. FAC FAC FAC Spreading Amaranth

Amaranthus palmeri S. Wats. FACU FACU FACU Careless Weed

Amaranthus retroflexus L. FACU FACU FACU Red-Root

Amaranthus tuberculatus (Moq.) Sauer FACW OBL OBL Rough-Fruit Amaranth

Amaranthus viridis L. FAC FAC FAC Slender Amaranth

Ambrosia artemisiifolia L. FACU FACU FACU Annual Ragweed

Ambrosia grayi (A. Nels.) Shinners - FAC FAC Woolly-Leaf Burr-Ragweed

Ambrosia monogyra (Torr. & Gray) Strother & B.G. Baldwin UPL FACW UPL Needle-Leaf Burrobush

Ambrosia psilostachya DC. FACU FACU FACU Perennial Ragweed

Ambrosia trifida L. FAC - FAC Great Ragweed

Amelanchier alnifolia (Nutt.) Nutt. ex M. Roemer FACU FACU FACU Saskatoon Service-Berry

Amelanchier utahensis Koehne FACU FAC UPL Utah Service-Berry

Ammannia coccinea Rottb. OBL OBL OBL Valley Redstem

Amorpha fruticosa L. FACW FACW FACW False Indigo-Bush

Amorpha nana Nutt. FACU UPL FACU Fragrant Indigo-Bush

Andropogon gerardii Vitman FACU FACU FACU Big Bluestem

Andropogon glomeratus (Walt.) B.S.P. FACW FACW FACW Bushy Bluestem

Androsace chamaejasme Wulfen FACU FACU FACU Sweet-Flower Rock-Jasmine

Androsace occidentalis Pursh FACU FACU FACU Western Rock-Jasmine

Androsace septentrionalis L. FACU FACU FACU Pygmy-Flower Rock-Jasmine

Anemone canadensis L. FAC FACW FAC Round-Leaf Thimbleweed

Anemopsis californica (Nutt.) Hook. & Arn. OBL FACW OBL Yerba-Mansa

Angelica ampla A. Nels. FACW FACW FACW Giant Angelica

Angelica pinnata S. Wats. FACW FACW FACW Small-Leaf Angelica

Anoda cristata (L.) Schlecht. FAC FAC FAC Crested Anoda

Antennaria corymbosa E. Nels. FAC - FAC Flat-Top Pussytoes

Antennaria media Greene FAC - FAC Rocky Mountain Pussytoes

Anthemis cotula L. FACU FACU FACU Stinking Chamomile

Anthoxanthum odoratum L. FAC FAC FACU Large Sweet Vernal Grass

Anticlea elegans (Pursh) Rydb. FACU FACW FACU Mountain False Deathcamas

Anticlea virescens (Kunth) Rydb. FACU FAC FAC Green False Deathcamas

Apocynum androsaemifolium L. UPL UPL FACU Spreading Dogbane

Apocynum cannabinum L. FAC FAC FAC Indian-Hemp

Aquilegia caerulea James FACU - FAC Colorado Blue Columbine

Aquilegia chrysantha Gray FAC FACW FAC Golden Columbine

Arabis hirsuta (L.) Scop. FACU FACU FACU Hairy Eared Rockcress

Aralia racemosa L. FAC FACU FAC American Spikenard

Arctium minus (Hill) Bernh. FACU FACU UPL Lesser Burrdock

Arctostaphylos uva-ursi (L.) Spreng. FACU UPL FACU Red Bearberry

Arenaria lanuginosa (Michx.) Rohrb. FACU FACU FACU Spreading Sandwort

Arenaria serpyllifolia L. FACU FACU FACU Thyme-Leaf Sandwort

Argentina anserina (L.) Rydb. OBL FACW OBL Common Silverweed

Arnica chamissonis Less. FACW FACW FACW Leafy Leopardbane

Arnica fulgens Pursh FACU UPL UPL Shining Leopardbane

Arnica latifolia Bong. FAC FAC FAC Daffodil Leopardbane

Arnica mollis Hook. FAC FAC FAC Cordilleran Leopardbane

Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl UPL FACU UPL Tall Oat Grass

Artemisia biennis Willd. FACW FACU FACW Biennial Wormwood

Artemisia cana Pursh FACU FACU FACU Coaltown Sagebrush

Artemisia ludoviciana Nutt. FACU UPL FACU White Sagebrush

Arundo donax L. FACW FAC FACW Giant-Reed

Asclepias incarnata L. OBL FACW OBL Swamp Milkweed

Asclepias oenotheroides Cham. & Schlecht. FACU FACU FACU Zizotes Milkweed

Asclepias speciosa Torr. FAC FAC FAC Showy Milkweed

Asclepias subverticillata (Gray) Vail FACU FACU UPL Horsetail Milkweed

Asclepias verticillata L. FACU FACU FACU Whorled Milkweed

Asparagus officinalis L. FACU FACU FACU Asparagus

Asplenium platyneuron (L.) B.S.P. FACU FACU FACU Ebony Spleenwort

Asplenium trichomanes L. FAC FAC FAC Maidenhair Spleenwort

Astragalus agrestis Dougl. ex G. Don FAC FACU FACW Cock's-Head

Astragalus alpinus L. FAC FAC FACU Alpine Milk-Vetch

Astragalus bodinii Sheldon FACW FAC FACW Bodin's Milk-Vetch

Astragalus canadensis L. FAC FAC FACW Canadian Milk-Vetch

Astragalus lentiginosus Dougl. ex Hook. UPL FACU UPL Freckled Milk-Vetch

Astragalus robbinsii (Oakes) Gray FAC FAC FAC Robbins' Milk-Vetch

Athyrium filix-femina (L.) Roth FAC FAC FAC Subarctic Lady Fern

Atriplex argentea Nutt. FAC FAC FAC Silverscale

Atriplex dioica Raf. FAC FAC UPL Saline Saltbush

Atriplex griffithsii Standl. FACU - - Griffiths' Saltbush

Atriplex hortensis L. FAC FAC FAC Garden Orache

Atriplex prostrata Bouchér ex DC. FACW FACW FAC Hastate Orache

Atriplex rosea L. FACU FACU FACU Tumbling Orache

Atriplex semibaccata R. Br. FAC FAC FACW Australian Saltbush

Avena sativa L. UPL FACU UPL Oat

Azolla microphylla Kaulfuss OBL OBL OBL Mexican Mosquito Fern

Baccharis salicifolia (Ruiz & Pavón) Pers. FAC FACW FACW Mule's-Fat

Baccharis salicina Torr. & Gray FACW FAC FAC Great Plains False Willow

Baccharis sarothroides Gray FACU FAC FACU Rosinbush

Baccharis wrightii Gray FACU FACU FACU Wright's False Willow

Barbarea orthoceras Ledeb. FACW OBL FACW American Yellow-Rocket

Barbarea vulgaris Ait. f. FAC FACU FAC Garden Yellow-Rocket

Barkleyanthus salicifolius (Kunth) H.E. Robins. & Brett. FAC - FAC Barkley's-Ragwort

Bassia americana (S. Wats.) A.J. Scott FAC FAC FACU Greenmolly

Bassia hyssopifolia (Pallas) Kuntz FAC FACW FACW Five-Horn Smotherweed

Bassia scoparia (L.) A.J. Scott FAC FACU FAC Mexican-Fireweed

Beckmannia syzigachne (Steud.) Fern. OBL OBL OBL American Slough Grass

Berberis vulgaris L. FACU UPL UPL European Barberry

Bergia texana (Hook.) Seub. ex Walp. OBL OBL OBL Texas Bergia

Berula erecta (Huds.) Coville OBL OBL OBL Cut-Leaf-Water-Parsnip

Besseya alpina (Gray) Rydb. FACW FACW FACW Alpine Coraldrops

Besseya plantaginea (James) Rydb. FAC FACW FAC White River Coraldrops

Betula glandulosa Michx. OBL OBL OBL Resin Birch

Betula occidentalis Hook. FACW FACW FACW Water Birch

Bidens bigelovii Gray FACW FACW FACW Bigelow's Beggarticks

Bidens bipinnata L. FAC FACU FACU Spanish-Needles

Bidens cernua L. OBL OBL OBL Nodding Burr-Marigold

Bidens frondosa L. FACW FACW FACW Devil's-Pitchfork

Bidens laevis (L.) B.S.P. OBL OBL OBL Smooth Beggarticks

Bidens leptocephala Sherff FAC FACW FAC Few-Flower Beggarticks

Bidens pilosa L. FAC FACW FACW Hairy Beggarticks

Bidens tenuisecta Gray FAC FACW FACW Slim-Lobe Beggarticks

Bidens tripartita L. OBL FACW FACW Three-Lobe Beggarticks

Bistorta bistortoides (Pursh) Small FACW OBL FACW American Bistort

Bistorta vivipara (L.) Delarbre FAC FACW FAC Serpent-Grass

Boechera grahamii (Lehm.) Windham & Al-Shehbaz FACU FACU FACU -

Boechera holboellii (Hornem.) A.& D. Löve FACU UPL FACU Holboell's Rockcress

Boechera stricta (Graham) Al-Shehbaz FACU FACU FACU Canadian Rockcress

Boehmeria cylindrica (L.) Sw. OBL FACW OBL Small-Spike False Nettle

Boerhavia erecta L. FACU UPL UPL Erect Spiderling

Bothriochloa barbinodis (Lag.) Herter UPL FACU FACU Cane Beard Grass

Bothriochloa bladhii (Retz.) S.T. Blake FACU FACU FACU Australian Beard Grass

Botrychium lanceolatum (Gmel.) Angstr. FACW FACW FACW Lance-Leaf Moonwort

Botrychium lunaria (L.) Sw. FAC FAC FAC Common Moonwort

Botrychium simplex E. Hitchc. FAC FAC FAC Least Moonwort

Bouteloua dactyloides (Nutt.) J.T. Columbus FACU FACU UPL Buffalo Grass

Bowlesia incana Ruiz & Pavón FACU FACU FACU Hoary Bowlesia

Brassica juncea (L.) Czern. FACU FACU UPL Chinese Mustard

Brassica rapa L. FACU UPL FACU Rape

Brickellia californica (Torr. & Gray) Gray FACU FACU FACU California Brickellbush

Briza minor L. FAC FAC FAC Lesser Quaking Grass

Bromus arvensis L. FACU FACU UPL Field Brome

Bromus ciliatus L. FAC FAC FAC Fringed Brome

Bromus hordeaceus L. FACU UPL FACU Soft Brome

Bromus inermis Leyss. FACU UPL FAC Smooth Brome

Bromus richardsonii Link FACU FACU FACU Richardson's Brome

Bromus rubens L. UPL UPL FACU Fox-Tail Brome

Bulbostylis capillaris (L.) Kunth ex C.B. Clarke FACU FACU FAC Dense-Tuft Hair Sedge

Bulbostylis funckii (Steud.) C.B. Clarke FACW - FACW Funck's Hair Sedge

Calamagrostis canadensis (Michx.) Beauv. FACW FACW FACW Bluejoint

Calamagrostis scopulorum M.E. Jones FAC FAC FAC Ditch Reed Grass

Calamagrostis stricta (Timm) Koel. FACW FACW FACW Slim-Stem Reed Grass

Calandrinia ciliata (Ruiz & Pavón) DC. FACU - FACU Fringed Redmaids

Calibrachoa parviflora (Juss.) D'Arcy FACW FACW FACW Seaside-Petunia

Callitriche hermaphroditica L. OBL OBL OBL Autumn Water-Starwort

Callitriche heterophylla Pursh OBL OBL OBL Greater Water-Starwort

Callitriche palustris L. OBL OBL OBL Vernal Water-Starwort

Caltha leptosepala DC. OBL OBL OBL White Marsh-Marigold

Calypso bulbosa (L.) Oakes FAC FACW FACU Fairy-Slipper Orchid

Calyptocarpus vialis Less. FAC FAC - Straggler Daisy

Calystegia sepium (L.) R. Br. FAC FAC FAC Hedge False Bindweed

Camelina microcarpa Andrz. ex DC. FACU UPL FACU Little-Pod False Flax

Camelina sativa (L.) Crantz FACU FACU FACU Gold-of-Pleasure

Campanula parryi Gray FACU FAC FAC Parry's Bellflower

Campanula rotundifolia L. FACU FAC FACU Bluebell-of-Scotland

Campanula uniflora L. FAC - FAC Arctic Bellflower

Campsis radicans (L.) Seem. ex Bureau FACU FACU FACU Trumpet-Creeper

Cannabis sativa L. FACU FACU FACU Hemp

Capsella bursa-pastoris (L.) Medik. FACU FACU FACU Shepherd's-Purse

Cardamine cordifolia Gray FACW OBL FACW Large Mountain Bittercress

Cardamine hirsuta L. FACU FAC FACU Hairy Bittercress

Cardamine pensylvanica Muhl. ex Willd. FACW FACW FACW Quaker Bittercress

Cardaria pubescens (C.A. Mey.) Jarmolenko UPL FAC FACU Globe-Pod Hoarycress

Carduus nutans L. FACU FACU UPL Nodding Plumeless-Thistle

Carex albonigra Mackenzie FACU FAC FACU Black-and-White-Scale Sedge

Carex alma Bailey OBL OBL OBL Sturdy Sedge

Carex amplifolia Boott OBL - OBL Big-Leaf Sedge

Carex aquatilis Wahlenb. OBL OBL OBL Leafy Tussock Sedge

Carex atherodes Spreng. OBL OBL OBL Wheat Sedge

Carex athrostachya Olney FACW FACW FACW Slender-Beak Sedge

Carex aurea Nutt. OBL OBL FACW Golden-Fruit Sedge

Carex bebbii Olney ex Fern. OBL OBL OBL Bebb's Sedge

Carex bella Bailey FACU FAC FACU Southwestern Showy Sedge

Carex blanda Dewey FAC FAC FACU Eastern Woodland Sedge

Carex bolanderi Olney FAC FACW FAC Bolander's Sedge

Carex brevior (Dewey) Mackenzie FAC FAC FAC Short-Beak Sedge

Carex brunnescens (Pers.) Poir. OBL FAC OBL Brownish Sedge

Carex canescens L. OBL OBL OBL Hoary Sedge

Carex capillaris L. FACW FACW FACW Hair-Like Sedge

Carex capitata L. FAC FACW FACW Capitate Sedge

Carex conoidea Schkuhr ex Willd. FACW FAC FAC Open-Field Sedge

Carex deweyana Schwein. FACU FACU FAC Dewey's Sedge

Carex diandra Schrank OBL OBL OBL Lesser Tussock Sedge

Carex disperma Dewey OBL FACW FACW Soft-Leaf Sedge

Carex douglasii Boott FAC FAC FAC Douglas' Sedge

Carex echinata Murr. OBL OBL OBL Star Sedge

Carex elynoides Holm FAC FAC FAC Black-Root Sedge

Carex emoryi Dewey OBL OBL OBL Emory's Sedge

Carex frankii Kunth OBL OBL - Frank's Sedge

Carex garberi Fern. FACW FACW FACW Elk Sedge

Carex gravida Bailey FACW FACW FACW Heavy Sedge

Carex haydeniana Olney FAC FACU FAC Hayden's Sedge

Carex heteroneura W. Boott FAC FACW FAC Different-Nerve Sedge

Carex hystericina Muhl. ex Willd. OBL OBL OBL Porcupine Sedge

Carex illota Bailey FACW FACW FACW Small-Head Sedge

Carex interior Bailey OBL OBL OBL Inland Sedge

Carex jonesii Bailey FACW FACW OBL Jones' Sedge

Carex lenticularis Michx. OBL OBL OBL Lakeshore Sedge

Carex leptalea Wahlenb. OBL OBL OBL Bristly-Stalk Sedge

Carex macloviana d'Urv. FACW FACW FACW Falkland Island Sedge

Carex microdonta Torr. & Hook. FAC OBL - Little-Tooth Sedge

Carex micropoda C.A. Mey. FAC FACU FACU Pyrenean Sedge

Carex microptera Mackenzie FAC FAC FACU Small-Wing Sedge

Carex nebrascensis Dewey OBL OBL OBL Nebraska Sedge

Carex nigricans C.A. Mey. FACW FACW FACW Black Alpine Sedge

Carex nova Bailey FAC FACW FAC New Sedge

Carex pachystachya Cham. ex Steud. FAC FAC FAC Thick-Head Sedge

Carex pellita Muhl. ex Willd. OBL OBL OBL Woolly Sedge

Carex petasata Dewey FAC UPL UPL Liddon Sedge

Carex phaeocephala Piper FACU FACU UPL Mountain Hare Sedge

Carex praeceptorum Mackenzie OBL OBL OBL Teacher's Sedge

Carex praegracilis W. Boott FACW FACW FACW Clustered Field Sedge

Carex praticola Rydb. FACW FAC FACW Northern Meadow Sedge

Carex rupestris All. FACU FACU FACU Curly Sedge

Carex scoparia Schkuhr ex Willd. FACW FACW FACW Pointed Broom Sedge

Carex scopulorum Holm FACW FACW OBL Holm's Rocky Mountain Sedge

Carex siccata Dewey UPL UPL FACU Dry-Spike Sedge

Carex simulata Mackenzie OBL OBL OBL Analogue Sedge

Carex spissa Bailey FAC - FAC San Diego Sedge

Carex sprengelii Dewey ex Spreng. FAC FACU FAC Long-Beak Sedge

Carex stevenii (Holm) Kalela FAC FAC FAC Steven's Sedge

Carex stipata Muhl. ex Willd. OBL OBL OBL Stalk-Grain Sedge

Carex stricta Lam. OBL OBL OBL Uptight Sedge

Carex subfusca W. Boott FAC FACU FAC Rusty Sedge

Carex utriculata Boott OBL OBL OBL Northwest Territory Sedge

Carex vallicola Dewey FAC FAC FAC Valley Sedge

Carex vesicaria L. OBL OBL OBL Lesser Bladder Sedge

Carex viridula Michx. OBL OBL OBL Little Green Sedge

Carex vulpinoidea Michx. OBL FACW OBL Common Fox Sedge

Carum carvi L. FACU UPL FACU Caraway

Castilleja lineata Greene FACW FACW FACW Marsh-Meadow Indian-Paintbrush

Castilleja miniata Dougl. ex Hook. FACW FAC FAC Great Red Indian-Paintbrush

Castilleja minor (Gray) Gray OBL OBL OBL Alkali Indian-Paintbrush

Castilleja occidentalis Torr. FAC FAC FAC Pale-Yellow Indian-Paintbrush

Castilleja rhexiifolia Rydb. FAC FAC FAC Rosy Indian-Paintbrush

Castilleja septentrionalis Lindl. FACU FAC FACW Labrador Indian-Paintbrush

Catabrosa aquatica (L.) Beauv. OBL OBL OBL Water Whorl Grass

Catalpa speciosa Warder ex Engelm. FAC FACU FACU Northern Catalpa

Celtis occidentalis L. FAC FACU FACU Common Hackberry

Celtis reticulata Torr. FAC UPL FACU Net-Leaf Hackberry

Cenchrus echinatus L. FACU UPL UPL Southern Sandburr

Centaurea cyanus L. FACU FACU FACU Garden Cornflower

Centaurium exaltatum (Griseb.) W. Wight ex Piper FACW FACW FACW Desert Centaury

Centaurium nudicaule (Engelm.) B.L. Robins. FACW FACW FACW Santa Catalina Mountain Centaury

Cephalanthus occidentalis L. OBL OBL OBL Common Buttonbush

Cerastium arvense L. FACU FACU FACU Field Mouse-Ear Chickweed

Cerastium axillare Correll FACU FAC FACU Trans-Pecos Mouse-Ear Chickweed

Cerastium beeringianum Cham. & Schlecht. FACU FAC FACU Bering Sea Mouse-Ear Chickweed

Cerastium brachypodum (Engelm. ex Gray) B.L. Robins. FAC FACU FAC Short-Stalk Mouse-Ear Chickweed

Cerastium fontanum Baumg. FACU FACU FACU Common Mouse-Ear Chickweed

Cerastium glomeratum Thuill. UPL FACU FACU Sticky Mouse-Ear Chickweed

Cerastium nutans Raf. FACU FAC FACU Nodding Mouse-Ear Chickweed

Ceratophyllum demersum L. OBL OBL OBL Coon's-Tail

Chaerophyllum tainturieri Hook. FAC FAC UPL Hairy-Fruit Chervil

Chamaecrista fasciculata (Michx.) Greene FACU FACU - Sleepingplant

Chamaesyce hirta (L.) Millsp. FACU UPL - Pill-Pod Sandmat

Chamaesyce hyssopifolia (L.) Small FACU FACU FACU Hyssop-Leaf Sandmat

Chamaesyce maculata (L.) Small UPL FACU UPL Spotted Sandmat

Chamaesyce nutans (Lag.) Small FACU FACU FACU Eyebane

Chamaesyce prostrata (Ait.) Small FACU UPL FACU Prostrate Sandmat

Chamaesyce serpens (Kunth) Small FACU UPL FAC Matted Sandmat

Chamerion angustifolium (L.) Holub FACU FAC FACU Narrow-Leaf Fireweed

Chenopodium album L. FACU FACU FACU Lamb's-Quarters

Chenopodium chenopodioides (L.) Aellen FACW FACW FAC Low Goosefoot

Chenopodium foliosum (Moench) Aschers. FACU FACU FACU Leafy Goosefoot

Chenopodium fremontii S. Wats. FACU FACU FACU Fremont's Goosefoot

Chenopodium glaucum L. FAC FAC FAC Oak-Leaf Goosefoot

Chenopodium leptophyllum (Moq.) Nutt. ex S. Wats. FACU FACU FACU Narrow-Leaf Goosefoot

Chenopodium murale L. FACU FACU FACU Nettle-Leaf Goosefoot

Chenopodium rubrum L. FACW OBL FACW Red Goosefoot

Chilopsis linearis (Cav.) Sweet FACU FACU FAC Desert-Willow

Chloracantha spinosa (Benth.) Nesom FAC FACW FAC Mexican-Devilweed

Chloris virgata Sw. FACU FACU FACU Feather Windmill Grass

Cichorium intybus L. FACU FACU FACU Chicory

Cicuta maculata L. OBL OBL OBL Spotted Water-Hemlock

Cinna latifolia (Trev. ex Goepp.) Griseb. FACW OBL FACW Slender Wood-Reed

Circaea alpina L. FAC FACW FAC Small Enchanter's-Nightshade

Cirsium arizonicum (Gray) Petrak FACU FAC FAC Arizona Thistle

Cirsium arvense (L.) Scop. FACU FACU FAC Canadian Thistle

Cirsium parryi (Gray) Petrak FACW FACW FACW Parry's Thistle

Cirsium scariosum Nutt. FAC FAC FAC Meadow Thistle

Cirsium tracyi (Rydb.) Petrak FACU FACU FACU Tracy's Thistle

Cirsium undulatum (Nutt.) Spreng. FACU FACU FACU Wavy-Leaf Thistle

Cirsium vinaceum (Woot. & Standl.) Woot. & Standl. OBL OBL OBL Sacramento Mountain Thistle

Cirsium vulgare (Savi) Ten. FACU UPL FACU Bull Thistle

Cissus trifoliata (L.) L. UPL FACU UPL Sorrelvine

Cladium californicum (S. Wats.) O'Neill OBL OBL OBL California Saw-Grass

Cladium mariscus (L.) Pohl OBL OBL OBL Swamp Saw-Grass

Claytonia lanceolata Pall. ex Pursh FAC FACW FAC Lance-Leaf Springbeauty

Claytonia megarhiza (Gray) Parry ex S. Wats. FACU FACU FACU Alpine Springbeauty

Claytonia perfoliata Donn ex Willd. FAC FACW FAC Miner's-Lettuce

Clematis ligusticifolia Nutt. FAC FACU FAC Deciduous Traveler's-Joy

Clematis pitcheri Torr. & Gray FACU FACU FACU Bluebill

Cleome lutea Hook. FACU FACU FACU Yellow Spider-Flower

Cleome multicaulis DC. FACW FACW FACW Playa Spider-Flower

Cleome serrulata Pursh FACU FACU FACU Rocky Mountain Beeplant

Cleomella longipes Torr. FACU FAC FACU Chiricahua Mountain Stinkweed

Clinopodium arkansanum (Nutt.) House FAC FAC FAC Limestone Wild Basil

Clitoria mariana L. FACU FACU FACU Atlantic Pigeonwings

Coeloglossum viride (L.) Hartman FAC FACU FAC Long-Bract Frog Orchid

Collomia linearis Nutt. FACU FACU FACU Narrow-Leaf Mountain-Trumpet

Comandra umbellata (L.) Nutt. UPL UPL FACU Bastard-Toadflax

Commelina erecta L. FACU FACU FACU White-Mouth Dayflower

Conioselinum scopulorum (Gray) Coult. & Rose FACW FACW FACW Rocky Mountain Hemlock-Parsley

Conium maculatum L. FACW FACW FAC Poison-Hemlock

Conoclinium dissectum Gray FACU FACW UPL Pinked Mistflower

Convolvulus equitans Benth. FACU FACU FACU Texas Bindweed

Conyza bonariensis (L.) Cronq. FACU FACU FACU Asthmaweed

Conyza canadensis (L.) Cronq. FACU FACU FACU Canadian Horseweed

Corallorhiza striata Lindl. FACU UPL FACU Hooded Coralroot

Corallorhiza trifida Chatelain FAC FAC FAC Yellow Coralroot

Corallorhiza wisteriana Conrad FAC FACU FAC Spring Coralroot

Cordylanthus maritimus Nutt. ex Benth. OBL - OBL Saltmarsh Bird's-Beak

Coreopsis lanceolata L. FACU FACU UPL Lance-Leaf Tickseed

Coreopsis tinctoria Nutt. FACU FAC FACU Golden Tickseed

Corispermum americanum (Nutt.) Nutt. FACU FACU FACU American Bugseed

Cornus alba L. FACW FACW FACW Red Osier

Cornus canadensis L. FAC FACU FAC Canadian Bunchberry

Cortaderia selloana (J.A. & J.H. Schultes) Aschers. & Graebn. FACU FACU FACU Selloa Pampus Grass

Corydalis caseana Gray FACW FACW FACW Sierran Fumewort

Cosmos bipinnatus Cav. FACW FACW FACW Garden Cosmos

Cosmos parviflorus (Jacq.) Pers. FACU FAC FACU Southwestern Cosmos

Cotula australis (Sieber ex Spreng.) Hook. f. FAC FAC FAC Australian Water-Buttons

Crassula aquatica (L.) Schoenl. OBL OBL OBL Water Pygmyweed

Crataegus erythropoda Ashe FAC FAC FACU Cerro Hawthorn

Crataegus rivularis Nutt. FAC FACW FACW River Hawthorn

Crepis runcinata (James) Torr. & Gray FACU FAC FACU Fiddle-Leaf Hawk's-Beard

Cressa truxillensis Kunth FACW FACW FACW Spreading Alkali-Weed

Crypsis schoenoides (L.) Lam. OBL OBL FACW Swamp Prickle Grass

Cyclachaena xanthiifolia (Nutt.) Fresen. FAC FAC FAC Carelessweed

Cycloloma atriplicifolium (Spreng.) Coult. FACU FACU FACU Winged-Pigweed

Cyclospermum leptophyllum (Pers.) Sprague ex Britt. & Wilson FACU FAC UPL Marsh-Parsley

Cynodon dactylon (L.) Pers. FACU FACU FACU Bermuda Grass

Cynoglossum officinale L. FACU FACU FACU Gypsy-Flower

Cyperus acuminatus Torr. & Hook. ex Torr. OBL OBL OBL Taper-Tip Flat Sedge

Cyperus bipartitus Torr. OBL FACW OBL Shining Flat Sedge

Cyperus erythrorhizos Muhl. OBL OBL OBL Red-Root Flat Sedge

Cyperus esculentus L. FACW FACW FAC Chufa

Cyperus fendlerianus Boeckl. FAC FAC FAC Fendler's Flat Sedge

Cyperus flavicomus Michx. FAC FAC FACU White-Edge Flat Sedge

Cyperus lupulinus (Spreng.) Marcks FACU FACU UPL Great Plains Flat Sedge

Cyperus odoratus L. FACW FACW FACW Rusty Flat Sedge

Cyperus parishii Britt. FACW - FACW Parish's Flat Sedge

Cyperus retrorsus Chapman FAC FAC - Pine-Barren Flat Sedge

Cyperus rotundus L. FAC FAC FAC Purple Flat Sedge

Cyperus schweinitzii Torr. FAC FACU FAC Sand Flat Sedge

Cyperus setigerus Torr. & Hook. - FAC - Lean Flat Sedge

Cyperus squarrosus L. OBL OBL OBL Awned Flat Sedge

Cyperus strigosus L. FACW FACW FACW Straw-Color Flat Sedge

Cypripedium parviflorum Salisb. FACW FACW FACW Yellow Lady's-Slipper

Cystopteris bulbifera (L.) Bernh. FAC FACW FAC Bulblet Bladder Fern

Cystopteris fragilis (L.) Bernh. FACU FACU FACU Brittle Bladder Fern

Dactylis glomerata L. FACU FACU FACU Orchard Grass

Danthonia californica Boland. FACU FACU FAC California Wild Oat Grass

Danthonia intermedia Vasey FACU FAC FACU Timber Wild Oat Grass

Dasiphora fruticosa (L.) Rydb. FAC FACW FAC Golden-Hardhack

Daucus carota L. UPL UPL FACU Queen Anne's-Lace

Delphinium X occidentale (S. Wats.) S. Wats. (pro sp.) FACU UPL FACU -

Delphinium barbeyi (Huth) Huth FAC FAC FAC Subalpine Larkspur

Delphinium geraniifolium Rydb. FAC FAC FAC Clark Valley Larkspur

Delphinium nuttallianum Pritz. ex Walp. FAC FACU FAC Two-Lobe Larkspur

Delphinium sapellonis Cockerell FAC FAC FAC Sapello Canyon Larkspur

Delphinium scopulorum Gray FAC FAC FAC Rocky Mountain Larkspur

Deschampsia caespitosa (L.) Beauv. FACW FACW FACW Tufted Hair Grass

Deschampsia danthonioides (Trin.) Munro FACW FACW FACW Annual Hair Grass

Descurainia incana (Bernh. ex Fisch. & C.A. Mey.) Dorn FACU UPL FACU Mountain Tansy-Mustard

Desmanthus illinoensis (Michx.) MacM. ex B.L. Robins. & Fern. FACU FACU FACU Prairie Bundle-Flower

Dianthus armeria L. UPL UPL FACU Deptford Pink

Dichanthelium acuminatum (Sw.) Gould & C.A. Clark FAC FAC FAC Tapered Rosette Grass

Dichanthelium oligosanthes (J.A. Schultes) Gould FACU FACU FACU Heller's Rosette Grass

Dichelostemma capitatum (Benth.) Wood FACU - FACU Bluedicks

Dieteria bigelovii (Gray) D. Morgan & R.L. Hartman FACW FACW FACW Bigelow's False Tansy-Aster

Dieteria canescens Nutt. UPL UPL FAC Hoar False Tansy-Aster

Digitaria ciliaris (Retz.) Koel. FACU FACU FAC Southern Crab Grass

Digitaria eriantha Steud. FACU FACU FACU Pangola Grass

Digitaria ischaemum (Schreb. ex Schweig.) Schreb. ex Muhl. FACU UPL FACU Smooth Crab Grass

Digitaria sanguinalis (L.) Scop. FACU FACU FACU Hairy Crab Grass

Diodia teres Walt. FACU FACU FACU Poorjoe

Dipsacus fullonum L. FAC FACU FAC Fuller's Teasel

Distichlis spicata (L.) Greene FAC FACW FACW Coastal Salt Grass

Dodecatheon ellisiae Standl. FACW FACW FACW -

Dodecatheon pulchellum (Raf.) Merr. FACW FACW FACW Dark-Throat Shootingstar

Draba albertina Greene FAC FAC FAC Slender Whitlow-Grass

Draba aurea Vahl ex Hornem. FACU FAC FACU Golden Whitlow-Grass

Draba helleriana Greene FAC FACU FAC Heller's Whitlow-Grass

Draba spectabilis Greene FACU FACU FACU Showy Whitlow-Grass

Dracocephalum parviflorum Nutt. FACU FACU FACU American Dragonhead

Dracopis amplexicaulis (Vahl) Cass. FACW FAC - Clasping-Coneflower

Drymaria pachyphylla Woot. & Standl. FACU FACU FACU Thick-Leaf Drymary

Drymocallis arguta (Pursh) Rydb. FACU FACU FACU -

Dysphania ambrosioides (L.) Mosyakin & Clemants FAC FAC FAC Mexican-Tea

Dysphania botrys (L.) Mosyakin & Clemants FACU FACU FACU Jerusalem-Oak

Echinochloa colona (L.) Link FAC FACW FAC Jungle-Rice

Echinochloa crus-galli (L.) Beauv. FACW FAC FAC Large Barnyard Grass

Echinochloa crus-pavonis (Kunth) J.A. Schultes FACW OBL FACW Gulf Cock's-Spur Grass

Echinochloa muricata (Beauv.) Fern. FACW FACW FACW Rough Barnyard Grass

Echinocystis lobata (Michx.) Torr. & Gray FACU FAC FACU Wild Cucumber

Echinodorus berteroi (Spreng.) Fassett OBL OBL OBL Upright Burrhead

Echinopepon wrightii (Gray) S. Wats. FAC FAC FAC Wild Balsam-Apple

Eclipta prostrata (L.) L. FAC FACW FAC False Daisy

Egeria densa Planch. OBL OBL OBL Brazilian-Waterweed

Elaeagnus angustifolia L. FAC FACU FAC Russian-Olive

Elatine brachysperma Gray OBL FACW OBL Short-Seed Waterwort

Elatine chilensis Gray OBL - OBL Chilean Waterwort

Elatine rubella Rydb. OBL OBL OBL Red-Stem Waterwort

Eleocharis acicularis (L.) Roemer & J.A. Schultes OBL OBL OBL Needle Spike-Rush

Eleocharis atropurpurea (Retz.) J.& K. Presl FACW FACW FACW Purple Spike-Rush

Eleocharis bella (Piper) Svens. FACW FACW FACW Delicate Spike-Rush

Eleocharis compressa Sullivant FACW FACW FACW Flat-Stem Spike-Rush

Eleocharis engelmannii Steud. OBL FACW OBL Engelmann's Spike-Rush

Eleocharis geniculata (L.) Roemer & J.A. Schultes OBL FACW OBL Capitate Spike-Rush

Eleocharis montana (Kunth) Roemer & J.A. Schultes OBL OBL OBL Mountain Spike-Rush

Eleocharis montevidensis Kunth FACW FACW FACW Sand Spike-Rush

Eleocharis palustris (L.) Roemer & J.A. Schultes OBL OBL OBL Common Spike-Rush

Eleocharis parishii Britt. FACW FACW FACW Parish's Spike-Rush

Eleocharis parvula (Roemer & J.A. Schultes) Link ex Bluff, Nees & Schauer OBL OBL OBL Little-Head Spike-Rush

Eleocharis quinqueflora (F.X. Hartmann) Schwarz OBL OBL OBL Few-Flower Spike-Rush

Eleocharis rostellata (Torr.) Torr. OBL OBL OBL Beaked Spike-Rush

Eleusine indica (L.) Gaertn. UPL FACU UPL Indian Goose Grass

Ellisia nyctelea (L.) L. FACU FACU FACU Aunt Lucy

Elodea bifoliata St. John OBL OBL OBL Two-Leaf Waterweed

Elodea canadensis Michx. OBL OBL OBL Canadian Waterweed

Elodea nuttallii (Planch.) St. John OBL OBL OBL Western Waterweed

Elymus canadensis L. FAC FACU FAC Nodding Wild Rye

Elymus elymoides (Raf.) Swezey FACU UPL FACU Western Bottle-Brush Grass

Elymus glaucus Buckl. FACU FACU FACU Blue Wild Rye

Elymus lanceolatus (Scribn. & J.G. Sm.) Gould UPL FACU FACU Streamside Wild Rye

Elymus repens (L.) Gould FAC FACU FAC Creeping Wild Rye

Elymus trachycaulus (Link) Gould ex Shinners FACU FACU FAC Slender Wild Rye

Elymus villosus Muhl. ex Willd. - FACU FACU Hairy Wild Rye

Elymus violaceus (Hornem.) Böcher ex J. Feilberg UPL UPL FACU Purple Wild Rye

Elymus virginicus L. FACW FAC FACW Virginia Wild Rye

Epilobium anagallidifolium Lam. FACU FAC FACU Pimpernel Willowherb

Epilobium ciliatum Raf. FACW FACW FACW Fringed Willowherb

Epilobium halleanum Hausskn. FACW FACW FACW Glandular Willowherb

Epilobium hornemannii Reichenb. FACW FACW FACW Hornemann's Willowherb

Epilobium lactiflorum Hausskn. FACW FACW FACW White-Flower Willowherb

Epilobium leptocarpum Hausskn. FACW FACW FACW Slender-Fruit Willowherb

Epilobium leptophyllum Raf. FACW OBL FACW Bog Willowherb

Epilobium palustre L. OBL OBL OBL Marsh Willowherb

Epilobium saximontanum Hausskn. FACW FACW FACW Rocky Mountain Willowherb

Epipactis gigantea Dougl. ex Hook. OBL OBL OBL Giant Helleborine

Epipactis helleborine (L.) Crantz FACU FACU FACU Helleborine

Equisetum X ferrissii Clute (pro sp.) FACW FACW FACW -

Equisetum X nelsonii (A.A. Eat.) Schaffn. (pro sp.) FACW OBL OBL -

Equisetum arvense L. FAC FAC FAC Field Horsetail

Equisetum hyemale L. FACW FACW FACW Tall Scouring-Rush

Equisetum laevigatum A. Braun FACW FAC FACW Smooth Scouring-Rush

Eragrostis cilianensis (All.) Vign. ex Janchen FACU FACU FACU Stink Grass

Eragrostis frankii C.A. Mey. ex Steud. FACW FACW FAC Sandbar Love Grass

Eragrostis hypnoides (Lam.) B.S.P. OBL OBL OBL Teal Love Grass

Eragrostis lugens Nees FACU FACU - Mourning Love Grass

Eragrostis lutescens Scribn. FACU FACU FACU Six-Weeks Love Grass

Eragrostis mexicana (Hornem.) Link FACU FACU FAC Mexican Love Grass

Eragrostis pectinacea (Michx.) Nees ex Jedw. FAC FAC FAC Purple Love Grass

Eragrostis pilosa (L.) Beauv. FACU FACU FACU Indian Love Grass

Eragrostis secundiflora J. Presl UPL FACU UPL Red Love Grass

Erigeron acris L. FACU FAC FACU Bitter Fleabane

Erigeron coulteri Porter FACW FACW FACW Large Mountain Fleabane

Erigeron elatior (Gray) Greene FAC FACW FAC Tall Fleabane

Erigeron flagellaris Gray FACU FAC FACU Trailing Fleabane

Erigeron formosissimus Greene UPL FAC UPL Beautiful Fleabane

Erigeron glabellus Nutt. FAC FACW FACW Streamside Fleabane

Erigeron glacialis (Nutt.) A. Nels. FAC - FACW Glacier Fleabane

Erigeron lonchophyllus Hook. FACW FACW FACW Short-Ray Fleabane

Erigeron melanocephalus (A. Nels.) A. Nels. FAC FAC FAC Black-Head Fleabane

Erigeron nivalis Nutt. FAC - FAC Scotter's Fleabane

Erigeron philadelphicus L. FACU FAC FACU Philadelphia Fleabane

Erigeron strigosus Muhl. ex Willd. FACU FACU FACU Prairie Fleabane

Eriochloa acuminata (J. Presl) Kunth FACW FAC FAC Taper-Tip Cup Grass

Eriochloa contracta A.S. Hitchc. FAC FAC FAC Prairie Cup Grass

Eriogonum ovalifolium Nutt. FACU UPL FACU Cushion Wild Buckwheat

Eriophorum angustifolium Honckeny OBL OBL OBL Tall Cotton-Grass

Eryngium heterophyllum Engelm. FACW FAC FACW Wright's Eryngo

Eryngium lemmonii Coult. & Rose FAC - - Chiricahua Mountain Eryngo

Eryngium sparganophyllum Hemsl. OBL - OBL Arizona Eryngo

Erysimum cheiranthoides L. FACU FACU FACU Worm-Seed Wallflower

Erythronium grandiflorum Pursh FACU - FACU Yellow Avalanche-Lily

Euphorbia heterophylla L. UPL FACU UPL Mexican-Fireplant

Euphorbia marginata Pursh UPL FACU UPL Snow-on-the-Mountain

Euphorbia spathulata Lam. FAC FACU FACU Warty Spurge

Eustoma exaltatum (L.) Salisb. OBL FACW OBL Catchfly Prairie-Gentian

Euthamia occidentalis Nutt. FACW OBL FACW Western Goldentop

Eutrochium maculatum (L.) E. Lamont OBL OBL OBL Spotted Trumpetweed

Fallopia convolvulus (L.) A. Löve FACU FACU FACU Black-Bindweed

Festuca arundinacea Schreb. FACU FACU FAC -

Festuca idahoensis Elmer FACU UPL FACU Bluebunch Fescue

Festuca pratensis Huds. FACU FACU FACU Meadow Fescue

Festuca rubra L. FAC FAC FAC Red Fescue

Festuca trachyphylla (Hack.) Krajina nom. illeg. UPL UPL FACU Hard Fescue

Fimbristylis puberula (Michx.) Vahl FACW OBL FACW Hairy Fimbry

Flaveria campestris J.R. Johnston FACW FAC FACW Alkali Yellowtops

Flaveria chlorifolia Gray FACW FACW FACW Clasping Yellowtops

Flaveria trinervia (Spreng.) C. Mohr FAC FAC FAC Clustered Yellowtops

Fleischmannia sonorae (Gray) King & H.E. Robins. FAC - FAC Sonoran Slender-Thoroughwort

Forestiera pubescens Nutt. FACU FACU FACU Stretchberry

Fragaria vesca L. UPL UPL FACU Woodland Strawberry

Fragaria virginiana Duchesne FACU FACU FACU Virginia Strawberry

Frangula betulifolia (Greene) V. Grub. FAC FACU FAC Birch-Leaf False Buckthorn

Fraxinus pennsylvanica Marsh. FACW FAC FAC Green Ash

Fraxinus velutina Torr. FAC FAC FAC Velvet Ash

Fuirena simplex Vahl OBL OBL OBL Western Umbrella Sedge

Funastrum cynanchoides (Dcne.) Schlechter FACU FACU FAC Fringed Twinevine

Gaillardia pulchella Foug. FACU UPL UPL Firewheel

Galium aparine L. FACU FACU FACU Sticky-Willy

Galium boreale L. FACU FACU FACU Northern Bedstraw

Galium mexicanum Kunth FAC FAC FAC Mexican Bedstraw

Galium microphyllum Gray FACU FAC FAC Bracted Bedstraw

Galium trifidum L. FACW OBL FACW Three-Petal Bedstraw

Galium triflorum Michx. FACU FACU FACU Fragrant Bedstraw

Gaultheria humifusa (Graham) Rydb. FACW FACU FACW Alpine Spicy-Wintergreen

Gaura neomexicana Woot. FACW FAC FACW New Mexico Beeblossom

Gentiana affinis Griseb. FACU FACU FACU Pleated Gentian

Gentiana algida Pallas FACW FACW FACW Whitish Gentian

Gentiana fremontii Torr. FACW OBL FACW Moss Gentian

Gentiana parryi Engelm. FAC FACW FAC Parry's Gentian

Gentianella amarella (L.) Börner FACW FACW FACW Autumn Dwarf-Gentian

Gentianella tenella (Rottb.) Börner FACW FAC FACW Dane's Dwarf-Gentian

Gentianopsis barbellata (Engelm.) Iltis FACW FAC FACW Perennial Fringed-Gentian

Gentianopsis thermalis (Kuntze) Iltis FACW OBL FACW Rocky Mountain Fringed-Gentian

Geranium caespitosum James FAC FAC FAC Purple Cluster Crane's-Bill

Geranium richardsonii Fisch. & Trautv. FACU FAC FAC White Crane's-Bill

Geranium viscosissimum Fisch. & C.A. Mey. ex C.A. Mey. FAC FACU FACU Sticky Purple Crane's-Bill

Geum aleppicum Jacq. FAC FACU FACW Yellow Avens

Geum macrophyllum Willd. FACW FACW FAC Large-Leaf Avens

Geum rivale L. FACW FACW FACW Purple Avens

Geum rossii (R. Br.) Ser. FACU FACU FACU Ross' Avens

Geum triflorum Pursh FACU FACU FACU Old-Man's-Whiskers

Glaux maritima L. FACW OBL OBL Sea-Milkwort

Gleditsia triacanthos L. FAC FACU FAC Honey-Locust

Glyceria borealis (Nash) Batchelder OBL OBL OBL Small Floating Manna Grass

Glyceria elata (Nash ex Rydb.) M.E. Jones OBL OBL FACW Tall Manna Grass

Glyceria grandis S. Wats. OBL OBL OBL American Manna Grass

Glyceria striata (Lam.) A.S. Hitchc. OBL OBL OBL Fowl Manna Grass

Glycyrrhiza lepidota Pursh FAC FACU FAC American Licorice

Gnaphalium exilifolium A. Nels. FACW FAC FACW Slender Cudweed

Gnaphalium palustre Nutt. FACW OBL FACW Western Marsh Cudweed

Goodyera oblongifolia Raf. FACU FACU FACU Green-Leaf Rattlesnake-Plantain

Goodyera repens (L.) R. Br. ex Ait. f. FACU - FACU Dwarf Rattlesnake-Plantain

Graphephorum wolfii (Vasey) Vasey ex Coult. FACU FACW FACU -

Gratiola neglecta Torr. OBL OBL OBL Clammy Hedge-Hyssop

Grindelia ciliata (Nutt.) Spreng. FACU UPL FACU Spanishgold

Grindelia hirsutula Hook. & Arn. FACW FACU FACW Hairy Gumweed

Grindelia squarrosa (Pursh) Dunal FACU UPL FACU Curly-Cup Gumweed

Gymnocarpium dryopteris (L.) Newman FAC FACU FAC Northern Oak Fern

Hackelia floribunda (Lehm.) I.M. Johnston FACU FACU FACU Many-Flower Stickseed

Halenia rothrockii Gray FAC FAC FAC Mt. Graham Spurred-Gentian

Helenium autumnale L. FACW FACW FACW Fall Sneezeweed

Helenium microcephalum DC. FACW FACW FACW Small-Head Sneezeweed

Helianthella quinquenervis (Hook.) Gray FACU FACW FACU Nodding Dwarf-Sunflower

Helianthus annuus L. FACU FACU FACU Common Sunflower

Helianthus ciliaris DC. FAC FAC UPL Texas-Blueweed

Helianthus maximiliani Schrad. UPL FACU UPL Maximilian Sunflower

Helianthus nuttallii Torr. & Gray FACW FACW FACW Nuttall's Sunflower

Helianthus paradoxus Heiser FACW FACW FACW Trans-Pecos Sunflower

Heliopsis helianthoides (L.) Sweet FACU FACU FACU Smooth Oxeye

Heliotropium curassavicum L. FACU OBL OBL Seaside Heliotrope

Heliotropium greggii Torr. FAC FACW FAC Fragrant Heliotrope

Heracleum maximum Bartr. FACW FAC FAC American Cow-Parsnip

Hesperis matronalis L. FACU FACU FACU Mother-of-the-Evening

Heteranthera limosa (Sw.) Willd. OBL OBL OBL Blue Mud-Plantain

Heteropogon contortus (L.) Beauv. ex Roemer & J.A. Schultes FACU UPL UPL Twisted Tanglehead

Heuchera rubescens Torr. UPL FACU UPL Pink Alumroot

Hibiscus moscheutos L. OBL OBL OBL Crimson-Eyed Rose-Mallow

Hieracium triste Willd. ex Spreng. FACU - FACU Woolly Hawkweed

Hippuris vulgaris L. OBL OBL OBL Common Mare's-Tail

Hoffmannseggia glauca (Ortega) Eifert FACU FAC FACU Waxy Rush-Pea

Holcus lanatus L. FAC FAC FAC Common Velvet Grass

Hopia obtusa (Kunth) F. Zuloaga & O. Morrone FACU FAC FACU -

Hordeum arizonicum Covas FAC - FAC Arizona Barley

Hordeum brachyantherum Nevski FACW FAC FACW Meadow Barley

Hordeum jubatum L. FAC FACW FAC Fox-Tail Barley

Hordeum murinum L. FACU FACU FAC Wall Barley

Hordeum pusillum Nutt. FACU FACU FACU Little Barley

Hornungia procumbens (L.) Hayek FAC - FAC Ovalpurse

Houstonia wrightii Gray FACU FACU FACU Pygmy Bluet

Humulus lupulus L. FACU FACU FACU Common Hop

Huperzia lucidula (Michx.) Trevisan FACW FACW FACW Shining Fir-Moss

Hydrocotyle verticillata Thunb. OBL OBL OBL Whorled Marsh-Pennywort

Hydrophyllum fendleri (Gray) Heller FAC FACW FAC Fendler's Waterleaf

Hymenoxys hoopesii (Gray) Bierner FAC FAC FAC Owl's-Claws

Hypericum perforatum L. FACU UPL FACU Common St. John's-Wort

Hypericum scouleri Hook. FACW - FACW Scouler's St. John's-Wort

Hypoxis hirsuta (L.) Coville FACW FACW FACW Eastern Yellow Star-Grass

Iliamna grandiflora (Rydb.) Wiggins FACW FACW FACW Large-Flower Wild Hollyhock

Imperata brevifolia Vasey FAC FAC FAC California Satintail

Ipomoea cordatotriloba Dennst. FAC FAC FACU Tievine

Ipomoea hederacea Jacq. FACU FAC FACU Ivy-Leaf Morning-Glory

Ipomoea lindheimeri Gray UPL FACU UPL Lindheimer's Morning-Glory

Ipomoea purpurea (L.) Roth UPL FACU UPL Common Morning-Glory

Iris missouriensis Nutt. FACW FACW FACW Rocky Mountain Iris

Iris pseudacorus L. OBL OBL OBL Pale-Yellow Iris

Isoetes bolanderi Engelm. OBL OBL OBL Bolander's Quillwort

Iva annua L. FAC FAC FAC Annual Marsh-Elder

Iva axillaris Pursh FAC FAC FAC Deer-Root

Jamesia americana Torr. & Gray FACU FACU FACU Five-Petal Cliffbush

Juglans major (Torr.) Heller FAC FAC FACW Arizona Walnut

Juglans microcarpa Berl. FAC FAC FAC Little Walnut

Juglans nigra L. UPL FACU UPL Black Walnut

Juncus acuminatus Michx. OBL OBL OBL Knotty-Leaf Rush

Juncus albescens (Lange) Fern. OBL OBL OBL Northern White Rush

Juncus arcticus Willd. FACW FACW FACW Arctic Rush

Juncus articulatus L. OBL OBL OBL Joint-Leaf Rush

Juncus bufonius L. FACW OBL FACW Toad Rush

Juncus castaneus Sm. FACW OBL FACW Chestnut Rush

Juncus confusus Coville FAC FACW FAC Colorado Rush

Juncus dichotomus Ell. FACW FACW FACW Forked Rush

Juncus drummondii E. Mey. FACW FACW FACW Drummond's Rush

Juncus dudleyi Wieg. FAC FACW FAC Dudley's Rush

Juncus ensifolius Wikstr. FACW FACW FACW Dagger-Leaf Rush

Juncus filiformis L. FACW OBL FACW Thread Rush

Juncus hallii Engelm. FAC - FAC Hall's Rush

Juncus interior Wieg. FAC FACW FAC Inland Rush

Juncus longistylis Torr. FACW FACW FACW Long-Style Rush

Juncus marginatus Rostk. FACW FACW FACW Grass-Leaf Rush

Juncus mertensianus Bong. OBL OBL OBL Mertens' Rush

Juncus mexicanus Willd. ex J.A. & J.H. Schultes FACW FACW FACW Mexican Rush

Juncus nevadensis S. Wats. FACW FACW FACW Sierran Rush

Juncus nodosus L. OBL OBL OBL Knotted Rush

Juncus tenuis Willd. FACW FAC FAC Lesser Poverty Rush

Juncus torreyi Coville FACW FACW FACW Torrey's Rush

Juncus xiphioides E. Mey. OBL - OBL Iris-Leaf Rush

Juniperus communis L. FACU UPL UPL Common Juniper

Juniperus deppeana Steud. FACU FACU FACU Alligator Juniper

Kobresia myosuroides (Vill.) Fiori FACU FAC FAC Pacific Bog Sedge

Krigia biflora (Walt.) Blake FACU FAC FACU Two-Flower Dwarf-Dandelion

Kummerowia striata (Thunb.) Schindl. FACU UPL UPL Japanese-Clover

Kyllinga odorata Vahl FACW FACW FACW Fragrant Spike Sedge

Lactuca biennis (Moench) Fern. FAC FAC FAC Wild Blue Lettuce

Lactuca canadensis L. FACU FACU FACU Canadian Blue Lettuce

Lactuca graminifolia Michx. FAC FAC FAC Grass-Leaf Lettuce

Lactuca ludoviciana (Nutt.) Riddell FAC FACU FAC Louisiana Lettuce

Lactuca serriola L. FACU FAC FACU Prickly Lettuce

Lactuca tatarica (L.) C.A. Mey. FAC UPL FAC Russian Blue Lettuce

Laennecia coulteri (Gray) Nesom FAC FACW FAC Coulter's Woolwort

Lapsana communis L. FAC FAC FACU Common Nipplewort

Lathyrus hirsutus L. FAC FAC FAC Singletary Vetchling

Lathyrus lanszwertii Kellogg UPL FACU UPL Nevada Vetchling

Lathyrus venosus Muhl. ex Willd. FAC FAC FAC Veiny Vetchling

Leersia oryzoides (L.) Sw. OBL OBL OBL Rice Cut Grass

Lemna gibba L. OBL OBL OBL Inflated Duckweed

Lemna minor L. OBL OBL OBL Common Duckweed

Lemna minuta Kunth OBL OBL OBL Least Duckweed

Lemna trisulca L. OBL OBL OBL Ivy-Leaf Duckweed

Lemna turionifera Landolt OBL OBL OBL Turion Duckweed

Leontodon saxatilis Lam. FACU FAC FACU Lesser Hawkbit

Lepidium densiflorum Schrad. UPL FAC FACU Miner's Pepperwort

Lepidium latifolium L. FAC FACW FAC Broad-Leaf Pepperwort

Lepidium perfoliatum L. FACU FAC FACU Clasping Pepperwort

Lepidium thurberi Woot. FACU UPL UPL Thurber's Pepperwort

Lepidium virginicum L. FACU FACU FACU Poorman's-Pepperwort

Leptochloa fusca (L.) Kunth FACW FACW FACW Bearded Sprangletop

Leptochloa panicea (Retz.) Ohwi FACW FACW FACW Needle Sprangletop

Leptochloa viscida (Scribn.) Beal FACU FACU FACW Sonoran Sprangletop

Leptosiphon nuttallii (Gray) J.M. Porter & L.A. Johnson FACU FAC FACU Nuttall's Perennial Gily-Flower

Leucanthemum vulgare Lam. UPL UPL FACU Ox-Eye Daisy

Lewisia pygmaea (Gray) B.L. Robins. FACU FACU FACU Alpine Bitter-Root

Leymus cinereus (Scribn. & Merr.) A. Löve FAC UPL FAC Great Basin Lyme Grass

Leymus triticoides (Buckl.) Pilger FAC FAC FAC Beardless Lyme Grass

Liatris lancifolia (Greene) Kittell FAC FAC FAC Lance-Leaf Gayfeather

Liatris ligulistylis (A. Nels.) K. Schum. FAC FAC FAC Strap-Style Gayfeather

Ligusticum porteri Coult. & Rose FACU FAC FACU Porter's Wild Lovage

Ligustrum vulgare L. UPL FACU FACU European Privet

Lilium philadelphicum L. FAC FACU FAC Wood Lily

Limonium limbatum Small FACW FACW FACW Trans-Pecos Sea-Lavender

Limosella acaulis Sessé & Moc. OBL OBL OBL Owyhee Mudwort

Limosella aquatica L. OBL OBL OBL Awl-Leaf Mudwort

Limosella pubiflora Pennell OBL - - Chiricahua Mountain Mudwort

Lindernia dubia (L.) Pennell OBL OBL OBL Yellow-Seed False Pimpernel

Linnaea borealis L. FACU FACU FACU American Twinflower

Lipocarpha micrantha (Vahl) G. Tucker OBL FACW OBL Small-Flower Halfchaff Sedge

Listera cordata (L.) R. Br. ex Ait. f. FACW FACU FAC Heart-Leaf Twayblade

Lloydia serotina (L.) Reichenb. FACU FACU FACU Common Alp-Lily

Lobelia anatina F. Wimmer FACW FACW FACW Apache Lobelia

Lobelia cardinalis L. OBL FACW FACW Cardinal-Flower

Lobelia fenestralis Cav. FACU FAC FACU Fringe-Leaf Lobelia

Lolium perenne L. FAC FACU FAC Perennial Rye Grass

Lomatogonium rotatum (L.) Fries ex Fern. OBL OBL OBL Marsh-Felwort

Lonicera X bella Zabel FACU FACU FACU -

Lonicera involucrata (Richards.) Banks ex Spreng. FAC FACU FAC Four-Line Honeysuckle

Lonicera japonica Thunb. FACU FACU FAC Japanese Honeysuckle

Lonicera tatarica L. UPL FACU FACU Twinsisters

Lonicera utahensis S. Wats. FAC FACU FAC Rocky Mountain Honeysuckle

Lorandersonia linifolia (Greene) Urbatsch, R.P. Roberts & Neubig FAC - FAC Spear-Leaf False Geesewood

Lotus corniculatus L. FAC FACU FAC Garden Bird's-Foot-Trefoil

Lotus unifoliolatus (Hook.) Benth. UPL FACU FACU American Bird's-Foot-Trefoil

Ludwigia palustris (L.) Ell. OBL OBL OBL Marsh Primrose-Willow

Ludwigia peploides (Kunth) Raven OBL OBL OBL Floating Primrose-Willow

Ludwigia repens J.R. Forst. OBL OBL OBL Creeping Primrose-Willow

Lupinus kingii S. Wats. UPL FAC UPL King's Lupine

Lupinus latifolius Lindl. ex J.G. Agardh FACW FAC FAC Broad-Leaf Lupine

Lupinus prunophilus M.E. Jones FACU FACU FACU Hairy Big-Leaf Lupine

Luzula comosa E. Mey. FAC FAC FAC Pacific Wood-Rush

Luzula parviflora (Ehrh.) Desv. FAC UPL FAC Small-Flower Wood-Rush

Luzula spicata (L.) DC. FACU FACU FACU Spiked Wood-Rush

Lycopodium clavatum L. FAC - FAC Running Ground-Pine

Lycopus americanus Muhl. ex W. Bart. OBL OBL OBL Cut-Leaf Water-Horehound

Lycopus asper Greene OBL OBL OBL Rough Water-Horehound

Lysimachia arvensis (L.) U. Manns & A. Anderb. FAC FACW FAC Scarlet Yellow-Loosestrife

Lysimachia ciliata L. FACW FACW FACW Fringed Yellow-Loosestrife

Lysimachia hybrida Michx. OBL OBL OBL Lowland Yellow-Loosestrife

Lysimachia minima (L.) U. Manns & A. Anderb. FACW FACW FACW Chaffweed

Lythrum alatum Pursh OBL OBL OBL Wing-Angle Loosestrife

Lythrum californicum Torr. & Gray OBL OBL OBL California Loosestrife

Lythrum salicaria L. OBL OBL OBL Purple Loosestrife

Maclura pomifera (Raf.) Schneid. UPL FACU UPL Osage-Orange

Madia glomerata Hook. FACU FACU FACU Mountain Tarplant

Maianthemum racemosum (L.) Link FAC FAC FAC Feathery False Solomon's-Seal

Maianthemum stellatum (L.) Link FACU FACU FAC Starry False Solomon's-Seal

Malvella leprosa (Ortega) Krapov. FACU FAC FACU Alkali-Mallow

Marrubium vulgare L. FACU FACU FACU White Horehound

Marsilea vestita Hook. & Grev. OBL OBL OBL Hairy Water-Clover

Matricaria discoidea DC. FACU FACU FACU Pineapple-Weed

Medicago lupulina L. FAC FACU FACU Black Medick

Medicago polymorpha L. FACU FACU FACU Toothed Medick

Melia azedarach L. UPL FACU FACU China-Berry

Melilotus indicus (L.) All. FACU FACU FACU Indian Sweet-Clover

Melilotus officinalis (L.) Lam. FACU FACU FACU Yellow Sweet-Clover

Mentha arvensis L. FACW FACW FACW American Wild Mint

Mentha spicata L. OBL FACW FACW Spearmint

Menyanthes trifoliata L. OBL OBL OBL Buck-Bean

Mertensia ciliata (James ex Torr.) G. Don FACW FACW FACW Tall Fringe Bluebells

Mertensia franciscana Heller OBL FACW FACW Franciscan Bluebells

Mertensia viridis (A. Nels.) A. Nels. FACU UPL FACU Green Bluebells

Microsteris gracilis (Hook.) Greene FACU UPL FACU Annual-Phlox

Mimulus cardinalis Dougl. ex Benth. FACW - FACW Scarlet Monkey-Flower

Mimulus dentilobus B.L. Robins. & Fern. OBL - OBL Tooth-Petal Monkey-Flower

Mimulus eastwoodiae Rydb. OBL - OBL Eastwood's Monkey-Flower

Mimulus floribundus Lindl. OBL OBL OBL Purple-Stem Monkey-Flower

Mimulus glabratus Kunth OBL OBL OBL Round-Leaf Monkey-Flower

Mimulus guttatus DC. OBL OBL OBL Seep Monkey-Flower

Mimulus primuloides Benth. FACW - OBL Yellow Creeping Monkey-Flower

Mimulus rubellus Gray FAC FACW FAC Little Red-Stem Monkey-Flower

Mimulus suksdorfii Gray FACU FACW FACU Miniature Monkey-Flower

Mimulus tilingii Regel OBL OBL OBL Subalpine Monkey-Flower

Minuartia obtusiloba (Rydb.) House FACU FACU FACU Alpine Stitchwort

Minuartia rubella (Wahlenb.) Hiern. FACU FAC FACU Boreal Stitchwort

Mirabilis nyctaginea (Michx.) MacM. FACU UPL FACU Heart-Leaf Four-O'clock

Mitella pentandra Hook. FACW FAC FAC Five-Stamen Bishop's-Cap

Moehringia lateriflora (L.) Fenzl FACU FACU FAC Blunt-Leaf Grove-Sandwort

Mollugo cerviana (L.) Ser. FAC FAC FAC Thread-Stem Carpetweed

Mollugo verticillata L. FACU FAC FAC Green Carpetweed

Monarda fistulosa L. FACU UPL FACU Oswego-Tea

Moneses uniflora (L.) Gray FACU FAC FACU Single-Delight

Monolepis nuttalliana (J.A. Schultes) Greene FAC FAC FAC Nuttall's Poverty-Weed

Montia chamissoi (Ledeb. ex Spreng.) Greene OBL OBL OBL Chamisso's Candy-Flower

Morus alba L. FACU FACU FACU White Mulberry

Morus microphylla Buckl. FACU UPL FACU Texas Mulberry

Muhlenbergia andina (Nutt.) A.S. Hitchc. FAC FAC FAC Fox-Tail Muhly

Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi FACW FACW FACW Alkali Muhly

Muhlenbergia eludens C.G. Reeder UPL FAC UPL Gravel-Bar Muhly

Muhlenbergia filiformis (Thurb. ex S. Wats.) Rydb. FACW FACW FACW Pullup Muhly

Muhlenbergia glomerata (Willd.) Trin. FACW FACW FACW Spiked Muhly

Muhlenbergia mexicana (L.) Trin. FAC FACW FAC Mexican Muhly

Muhlenbergia minutissima (Steud.) Swallen FAC FAC FAC Least Muhly

Muhlenbergia montana (Nutt.) A.S. Hitchc. UPL FACU UPL Mountain Muhly

Muhlenbergia racemosa (Michx.) B.S.P. FACW FACW FACW Green Muhly

Muhlenbergia ramulosa (Kunth) Swallen FACU FACU FACU Ponderosa Muhly

Muhlenbergia richardsonis (Trin.) Rydb. FAC FAC FAC Matted Muhly

Muhlenbergia rigens (Benth.) A.S. Hitchc. FAC FACU UPL Deer Grass

Muhlenbergia utilis (Torr.) A.S. Hitchc. FACW FACW FACW Aparejo Grass

Muhlenbergia wrightii Vasey ex Coult. FACU FACU FACU Wright's Muhly

Myosotis scorpioides L. FACW OBL FACW True Forget-Me-Not

Myosurus apetalus C. Gay OBL FACW OBL Bristly Mousetail

Myosurus cupulatus S. Wats. FAC - FAC Arizona Mousetail

Myosurus minimus L. OBL FACW OBL Tiny Mousetail

Myriophyllum aquaticum (Vell.) Verdc. OBL OBL OBL Parrot's-Feather

Myriophyllum pinnatum (Walt.) B.S.P. - OBL - Cut-Leaf Water-Milfoil

Myriophyllum sibiricum Komarov OBL OBL OBL Siberian Water-Milfoil

Myriophyllum spicatum L. OBL OBL OBL Eurasian Water-Milfoil

Myriophyllum verticillatum L. OBL OBL OBL Whorled Water-Milfoil

Najas guadalupensis (Spreng.) Magnus OBL OBL OBL Guadalupe Waternymph

Najas marina L. OBL OBL OBL Holly-Leaf Waternymph

Nasturtium officinale Ait. f. OBL OBL OBL Watercress

Nepeta cataria L. FACU FACU FACU Catnip

Nicotiana attenuata Torr. ex S. Wats. FACU FAC FACU Coyote Tobacco

Nicotiana glauca Graham FAC FAC FAC Tree Tobacco

Nicotiana obtusifolia Mertens & Galeotti FACU FACU FACU Desert Tobacco

Nothoscordum bivalve (L.) Britt. FACU FACU FACU Crowpoison

Nuphar lutea (L.) Sm. OBL OBL OBL Yellow Pond-Lily

Nymphaea mexicana Zucc. OBL OBL OBL Banana Water-Lily

Oenothera biennis L. FACU FACU FACU King's-Cureall

Oenothera canescens Torr. & Frém. - FAC FAC Spotted Evening-Primrose

Oenothera curtiflora W.L. Wagner & Hoch FACU UPL FACU Velvetweed

Oenothera elata Kunth FACW FACW FACW Hooker's Evening-Primrose

Oenothera flava (A. Nels.) Garrett FAC FACW FAC Long-Tube Evening-Primrose

Oenothera laciniata Hill FAC FACU FAC Cut-Leaf Evening-Primrose

Oenothera longissima Rydb. OBL - OBL Long-Stem Evening-Primrose

Oenothera organensis Munz OBL - - Organ Mountain Evening-Primrose

Oenothera rhombipetala Nutt. ex Torr. & Gray FACU FACU - Greater Four-Point Evening-Primrose

Oenothera rosea L'Hér. ex Ait. FACW FACW FACW Rose Evening-Primrose

Oenothera villosa Thunb. FAC FACU FAC Hairy Evening-Primrose

Oligoneuron rigidum (L.) Small FACU FACU FACU Hard-Leaf Flat-Top-Goldenrod

Orobanche uniflora L. FACU UPL FACU Naked Broom-Rape

Orthilia secunda (L.) House FACU FACU FACU Sidebells

Orthocarpus luteus Nutt. FACU FACU FACU Golden-Tongue Owl-Clover

Osmorhiza berteroi DC. FACU FACU FACU Mountain Sweet-Cicely

Osmorhiza longistylis (Torr.) DC. FACU FAC FACU Aniseroot

Ostrya knowltonii Sarg. FAC FAC FAC Knowlton's Hop-Hornbeam

Oxalis corniculata L. FACU FACU FACU Creeping Yellow Wood-Sorrel

Oxalis dillenii Jacq. FACU FACU FACU Slender Yellow Wood-Sorrel

Oxalis stricta L. FACU FACU FACU Upright Yellow Wood-Sorrel

Oxypolis fendleri (Gray) Heller FACW FACW FACW Fendler's Cowbane

Oxyria digyna (L.) Hill FACU FAC FACU Mountain-Sorrel

Oxytenia acerosa Nutt. FACU UPL FACU Copperweed

Oxytropis deflexa (Pallas) DC. FACU FACU FACU Pendant-Pod Locoweed

Oxytropis parryi Gray FACU FACU FACU Parry's Locoweed

Oxytropis splendens Dougl. ex Hook. FAC FACU FAC Whorled Locoweed

Packera crocata (Rydb.) W.A. Weber & A. Löve FAC FAC FAC Saffron Groundsel

Packera dimorphophylla (Greene) W.A. Weber & A. Löve FACU FACU FAC Two-Leaf Groundsel

Packera hartiana (Heller) W.A. Weber & A. Löve FACW FACW FACW Hart's Groundsel

Packera obovata (Muhl. ex Willd.) W.A. Weber & A. Löve FACU FACU - Round-Leaf Groundsel

Packera paupercula (Michx.) A.& D. Löve FACW FAC FACW Balsam Groundsel

Packera plattensis (Nutt.) W.A. Weber & A. Löve UPL FACU UPL Prairie Groundsel

Packera pseudaurea (Rydb.) W.A. Weber & A. Löve FACW FACW FACW Streambank Groundsel

Packera spellenbergii (T.M. Barkl.) C. Jeffrey UPL FACU FACU Carrizo Creek Groundsel

Packera streptanthifolia (Greene) W.A. Weber & A. Löve FACU UPL FACU Rocky Mountain Groundsel

Panicum amarum Ell. FACU FACU - Bitter Panic Grass

Panicum capillare L. FACU FAC FAC Common Panic Grass

Panicum coloratum L. FACW FAC - Blue Panic Grass

Panicum dichotomiflorum Michx. FACW FAC FACW Fall Panic Grass

Panicum hallii Vasey UPL FACU UPL Hall's Panic Grass

Panicum hillmanii Chase FACU FACU FACU Hillman's Panic Grass

Panicum virgatum L. FACW FAC FACW Wand Panic Grass

Parietaria hespera Hinton FACU FACU FACU Rillita Pellitory

Parietaria pensylvanica Muhl. ex Willd. FACU FAC FACU Pennsylvania Pellitory

Parkinsonia aculeata L. FAC FACW FACU Mexican Palo-Verde

Parnassia fimbriata Koenig OBL OBL OBL Fringed Grass-of-Parnassus

Parnassia palustris L. OBL OBL OBL Marsh Grass-of-Parnassus

Parthenocissus vitacea (Knerr) A.S. Hitchc. FACU FAC FACU Thicket-Creeper

Pascopyrum smithii (Rydb.) A. Löve FAC FACU FACU Western-Wheat Grass

Paspalum dilatatum Poir. FAC FAC FAC Golden Crown Grass

Paspalum distichum L. FACW FACW FACW Jointed Crown Grass

Paspalum setaceum Michx. UPL FAC UPL Slender Crown Grass

Pedicularis canadensis L. FAC FACU FAC Canadian Lousewort

Pedicularis groenlandica Retz. OBL OBL OBL Bull Elephant's-Head

Pedicularis parryi Gray FACU FAC FACU Parry's Lousewort

Pedicularis procera Gray FACU FAC FACU Giant Lousewort

Pedicularis sudetica Willd. FACW FACW FACW Sudetic Lousewort

Penstemon gracilis Nutt. UPL FACU UPL Lilac Beardtongue

Penstemon procerus Dougl. ex Graham FAC UPL FAC Pincushion Beardtongue

Penstemon rydbergii A. Nels. FACU FAC FACU Meadow Beardtongue

Penstemon virgatus Gray FACU FACU FACU Upright Blue Beardtongue

Penstemon whippleanus Gray FACU FACU FACU Dark Beardtongue

Perideridia parishii (Coult. & Rose) A. Nels. & J.F. Macbr. FAC - FAC Parish's Yampah

Persicaria amphibia (L.) S.F. Gray p.p. OBL OBL OBL Water Smartweed

Persicaria bicornis (Raf.) Nieuwl. FACW FACW FACW Pink Knotweed

Persicaria hydropiperoides (Michx.) Small OBL OBL OBL Swamp Smartweed

Persicaria lapathifolia (L.) S.F. Gray FACW OBL FACW Dock-Leaf Smartweed

Persicaria maculosa S.F. Gray FACW FACW FACW Lady's-Thumb

Persicaria pensylvanica (L.) M. Gómez FACW FACW FACW Pinkweed

Persicaria punctata (Ell.) Small OBL OBL OBL Dotted Smartweed

Phacelia heterophylla Pursh FACU FAC FACU Variable-Leaf Scorpion-Weed

Phalaris angusta Nees ex Trin. FACW FACW FACW Timothy Canary Grass

Phalaris arundinacea L. FACW FACW FACW Reed Canary Grass

Phalaris canariensis L. FACU FACU FACU Common Canary Grass

Phalaris caroliniana Walt. FACW FACW FACW May Grass

Phleum alpinum L. FAC FAC FAC Mountain Timothy

Phleum pratense L. FACU FACU FAC Common Timothy

Phragmites australis (Cav.) Trin. ex Steud. FACW FACW FACW Common Reed

Phyla cuneifolia (Torr.) Greene FAC FAC FAC Wedgeleaf

Phyla fruticosa (P. Mill.) Kennedy FAC FAC - Diamond-Leaf Frogfruit

Phyla lanceolata (Michx.) Greene OBL FACW OBL Northern Frogfruit

Phyla nodiflora (L.) Greene FACW FAC FAC Turkey-Tangle

Physalis angulata L. UPL FAC UPL Cut-Leaf Ground-Cherry

Physalis philadelphica Lam. UPL UPL FAC Mexican Ground-Cherry

Physalis pubescens L. FACU FACU FACU Husk-Tomato

Physocarpus monogynus (Torr.) Coult. UPL FACU UPL Mountain Ninebark

Physostegia virginiana (L.) Benth. FACW FACW FACW Obedient-Plant

Phytolacca americana L. FAC FACU FACU American Pokeweed

Picea engelmannii Parry ex Engelm. FACU FAC FAC Engelmann's Spruce

Picea pungens Engelm. FAC FAC FAC Blue Spruce

Pinus ponderosa P.& C. Lawson FACU UPL FACU Ponderosa Pine

Piperia unalascensis (Spreng.) Rydb. FACU FACU FACU Alaska Rein Orchid

Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnston FACW FACW FACW Meadow Popcorn-Flower

Plantago elongata Pursh FACW FACW FACW Prairie Plantain

Plantago eriopoda Torr. FACW FAC FACW Red-Woolly Plantain

Plantago lanceolata L. FAC FAC FACU English Plantain

Plantago major L. FAC FAC FAC Great Plantain

Plantago rhodosperma Dcne. FAC FACU UPL Red-Seed Plantain

Plantago rugelii Dcne. FAC FACU FACU Black-Seed Plantain

Plantago virginica L. FACU FACU FACU Pale-Seed Plantain

Platanthera dilatata (Pursh) Lindl. ex Beck FACW FACW FACW Scentbottle

Platanthera huronensis (Nutt.) Lindl. OBL OBL OBL Lake Huron Green Orchid

Platanthera limosa Lindl. OBL OBL OBL Thurber's Bog Orchid

Platanthera purpurascens (Rydb.) Sheviak & Jennings OBL OBL OBL Purple-Petal Bog Orchid

Platanthera sparsiflora (S. Wats.) Schlechter FACW FACW FACW Canyon Bog Orchid

Platanus occidentalis L. FAC FAC - American Sycamore

Platanus wrightii S. Wats. FACW - FACW Arizona Sycamore

Pluchea odorata (L.) Cass. FACW FACW FACW Sweetscent

Pluchea sericea (Nutt.) Coville FACW FAC FACW Arrow-Weed

Poa alpina L. FAC FACU FAC Alpine Blue Grass

Poa annua L. FACU FACU FAC Annual Blue Grass

Poa arctica R. Br. FACU FACW FACU Arctic Blue Grass

Poa arida Vasey FAC FAC UPL Prairie Blue Grass

Poa compressa L. FACU FACU FACU Flat-Stem Blue Grass

Poa interior Rydb. FAC FAC FAC -

Poa leptocoma Trin. FACW OBL FACW Marsh Blue Grass

Poa palustris L. FAC FACW FAC Fowl Blue Grass

Poa pratensis L. FAC FACU FAC Kentucky Blue Grass

Poa reflexa Vasey & Scribn. FAC OBL OBL Nodding Blue Grass

Poa secunda J. Presl FACU FACU FACU Curly Blue Grass

Poa trivialis L. FACW FACW FAC Rough-Stalk Blue Grass

Polanisia dodecandra (L.) DC. FACU FACU FACU Red-Whisker Clammyweed

Polemonium foliosissimum Gray FAC FAC FACU Towering Jacob's-Ladder

Polygala sanguinea L. - FACW FAC Purple Milkwort

Polygonatum biflorum (Walt.) Ell. FACU FACU FACU King Solomon's-Seal

Polygonum argyrocoleon Steud. ex Kunze FAC OBL FAC Silver-Sheath Knotweed

Polygonum aviculare L. FACW FACU FAC Yard Knotweed

Polygonum douglasii Greene FACU FACU FACU Douglas' Knotweed

Polygonum erectum L. FACU FAC FACU Erect Knotweed

Polygonum minimum S. Wats. FACU FAC FACU Zigzag Knotweed

Polygonum polygaloides Wallich ex Meisn. FACW FACW FACW White-Margin Knotweed

Polygonum ramosissimum Michx. FAC FACW FAC Yellow-Flower Knotweed

Polygonum sawatchense Small FACU FACU FACU -

Polypogon interruptus Kunth FACW OBL FACW Ditch Rabbit's-Foot Grass

Polypogon maritimus Willd. OBL FACW OBL Maritime Rabbit's-Foot Grass

Polypogon monspeliensis (L.) Desf. FACW FACW FACW Annual Rabbit's-Foot Grass

Polypogon viridis (Gouan) Breistr. FACW OBL FACW Beardless Rabbit's-Foot Grass

Populus X acuminata Rydb. (pro sp.) FAC FAC FAC -

Populus angustifolia James FACW FACW FACW Narrow-Leaf Cottonwood

Populus deltoides Bartr. ex Marsh. FAC FAC FAC Eastern Cottonwood

Populus tremuloides Michx. FACU FAC FACU Quaking Aspen

Portulaca halimoides L. FAC FACW FACW Silk-Cotton Purslane

Portulaca oleracea L. FAC FAC FAC Little-Hogweed

Portulaca pilosa L. FACU FACU FACU Kiss-Me-Quick

Portulaca umbraticola Kunth FACU FAC FAC Wing-Pod Purslane

Potamogeton alpinus Balbis OBL OBL OBL Reddish Pondweed

Potamogeton crispus L. OBL OBL OBL Curly Pondweed

Potamogeton diversifolius Raf. OBL OBL OBL Waterthread

Potamogeton foliosus Raf. OBL OBL OBL Leafy Pondweed

Potamogeton gramineus L. OBL OBL OBL Grassy Pondweed

Potamogeton illinoensis Morong OBL OBL OBL Illinois Pondweed

Potamogeton natans L. OBL OBL OBL Floating Pondweed

Potamogeton nodosus Poir. OBL OBL OBL Long-Leaf Pondweed

Potamogeton pusillus L. OBL OBL OBL Small Pondweed

Potamogeton richardsonii (Benn.) Rydb. OBL OBL OBL Red-Head Pondweed

Potentilla biennis Greene FACW FACW FACW Biennial Cinquefoil

Potentilla diversifolia Lehm. FACU FACW FACU Mountain-Meadow Cinquefoil

Potentilla glandulosa Lindl. FAC FAC FAC Sticky Cinquefoil

Potentilla gracilis Dougl. ex Hook. FAC FAC FAC Graceful Cinquefoil

Potentilla norvegica L. FAC FAC FAC Norwegian Cinquefoil

Potentilla paradoxa Nutt. FACW FACW FACW Bushy Cinquefoil

Potentilla pensylvanica L. FACU FACU FACU Pennsylvania Cinquefoil

Potentilla plattensis Nutt. FACW FACW FACW Platte River Cinquefoil

Potentilla rivalis Nutt. FACW FACW FACW Brook Cinquefoil

Potentilla thurberi Gray FACW FACW FACW Scarlet Cinquefoil

Primula angustifolia Torr. FACU FAC FACU Alpine Primrose

Primula parryi Gray FAC FAC FAC Brook Primrose

Primula rusbyi Greene FAC FAC FAC Rusby's Primrose

Proboscidea louisianica (P. Mill.) Thellung FACU FACU FACU Ram's-Horn

Prosartes trachycarpa S. Wats. FACU UPL FACU Rough-Fruit Fairybells

Prosopis glandulosa Torr. UPL FACU UPL Honey Mesquite

Prosopis pubescens Benth. FAC FAC FAC American Screw-Bean

Prosopis velutina Woot. FACU FACU FACU Velvet Mesquite

Prunella vulgaris L. FACU FAC FACU Common Selfheal

Prunus americana Marsh. FACU UPL FACU American Plum

Prunus emarginata (Dougl. ex Hook.) D. Dietr. FACU FAC FACU Bitter Cherry

Prunus serotina Ehrh. FACU FACU FACU Black Cherry

Prunus virginiana L. FAC FACU FACU Choke Cherry

Psathyrostachys juncea (Fisch.) Nevski UPL FACU FAC Russian-Wild Rye

Pseudognaphalium canescens (DC.) W.A. Weber FACU UPL FACU Wright's Rabbit-Tobacco

Pseudognaphalium luteoalbum (L.) Hilliard & Burtt FAC FAC FACW Jersey Rabbit-Tobacco

Pseudognaphalium stramineum (Kunth) A. Anderb. FAC FAC FAC Cotton-Batting-Plant

Pseudotsuga menziesii (Mirbel) Franco FACU FACU FACU Douglas-Fir

Psilactis asteroides Gray FACW FACW FACW New Mexico Bare-Ray-Aster

Ptelea trifoliata L. UPL FAC UPL Common Hoptree

Pteridium aquilinum (L.) Kuhn FACU FACU FACU Northern Bracken Fern

Puccinellia distans (Jacq.) Parl. FACW FACW FACW Spreading Alkali Grass

Puccinellia nuttalliana (J.A. Schultes) A.S. Hitchc. FACW OBL FACW Nuttall's Alkali Grass

Puccinellia parishii A.S. Hitchc. OBL - OBL Parish's Alkali Grass

Pyrola asarifolia Michx. FAC FACU FACU Pink Wintergreen

Pyrola chlorantha Sw. FAC FACU FACU Green-Flower Wintergreen

Pyrola minor L. FACU FACU FACU Snowline Wintergreen

Quercus macrocarpa Michx. FAC FACU FACU Burr Oak

Quercus muehlenbergii Engelm. FAC FAC FACU Chinkapin Oak

Quincula lobata (Torr.) Raf. FACU UPL FACU Chinese-Lantern

Ranunculus abortivus L. FACW FAC FACW Kidney-Leaf Buttercup

Ranunculus acris L. FACW FACW FAC Tall Buttercup

Ranunculus alismifolius Geyer ex Benth. FACW OBL FACW Water-Plantain Buttercup

Ranunculus cardiophyllus Hook. FACW FACW FACW Heart-Leaf Buttercup

Ranunculus cymbalaria Pursh OBL OBL OBL Alkali Buttercup

Ranunculus eschscholtzii Schlecht. FAC FACW FACW Spruce-Fir Buttercup

Ranunculus flammula L. OBL FACW FACW Greater Creeping Spearwort

Ranunculus glaberrimus Hook. FAC FAC FACU Sagebrush Buttercup

Ranunculus gmelinii DC. FACW FACW FACW Lesser Yellow Water Buttercup

Ranunculus hydrocharoides Gray OBL OBL OBL Frog-Bit Buttercup

Ranunculus inamoenus Greene FACW FACW FACW Graceful Buttercup

Ranunculus longirostris Godr. OBL OBL OBL Long-Beak Water-Crowfoot

Ranunculus macauleyi Gray FACW FACW FACW Rocky Mountain Buttercup

Ranunculus macounii Britt. OBL OBL OBL Macoun's Buttercup

Ranunculus oreogenes Greene FACU - FACU Oregon Buttercup

Ranunculus pensylvanicus L. f. FACW FACW FACW Pennsylvania Buttercup

Ranunculus ranunculinus (Nutt.) Rydb. FACU FAC FACU Tadpole Buttercup

Ranunculus repens L. FAC FACW FAC Creeping Buttercup

Ranunculus sceleratus L. OBL OBL OBL Cursed Buttercup

Ranunculus trichophyllus Chaix OBL OBL OBL Thread-Leaf Water-Crowfoot

Ranunculus uncinatus D. Don ex G. Don FAC FACW FAC Woodland Buttercup

Rhinanthus minor L. FACU FACU FACU Little Yellow-Rattle

Rhodiola integrifolia Raf. FACU FACU FACU Entire-Leaf Rosewort

Rhodiola rhodantha (Gray) Jacobsen FACW FAC FACW Queen's-Crown

Rhus aromatica Ait. FACU UPL UPL Fragrant Sumac

Ribes americanum P. Mill. FACW FACW FAC Wild Black Currant

Ribes aureum Pursh FAC FACU FAC Golden Currant

Ribes inerme Rydb. FAC FACW FAC White-Stem Gooseberry

Ribes wolfii Rothrock FAC FAC FAC Winaha Currant

Rivina humilis L. FAC FAC FAC Rougeplant

Robinia pseudoacacia L. FACU UPL FACU Black Locust

Rorippa curvipes Greene FACW OBL FACW Blunt-Leaf Yellowcress

Rorippa microtitis (B.L. Robins.) Rollins FACW - FACW Chihuahuan Yellowcress

Rorippa palustris (L.) Bess. OBL OBL OBL Bog Yellowcress

Rorippa sinuata (Nutt.) A.S. Hitchc. FACW FACW FAC Spreading Yellowcress

Rorippa sphaerocarpa (Gray) Britt. FACW OBL FAC Round-Fruit Yellowcress

Rorippa sylvestris (L.) Bess. OBL FACW OBL Creeping Yellowcress

Rorippa tenerrima Greene FAC FAC FAC Modoc Yellowcress

Rorippa teres (Michx.) R. Stuckey FACW OBL FACW Southern Marsh Yellowcress

Rosa acicularis Lindl. FACU FACU FACU Prickly Rose

Rosa arkansana Porter FACU FACU FACU Prairie Rose

Rosa multiflora Thunb. ex Murr. FACU UPL FACU Rambler Rose

Rosa nutkana K. Presl FACU FACU FAC Nootka Rose

Rosa woodsii Lindl. FACU FACU FACU Woods' Rose

Rotala ramosior (L.) Koehne OBL OBL OBL Lowland Toothcup

Rubus arizonensis Focke FACU FACU FACU Arizona Dewberry

Rubus armeniacus Focke FACU FAC FACU Himalayan Blackberry

Rubus idaeus L. FACU FACU FACU Common Red Raspberry

Rubus leucodermis Dougl. ex Torr. & Gray FACU FAC FACU White-Stem Raspberry

Rubus parviflorus Nutt. FAC FACU FACU Western Thimble-Berry

Rudbeckia hirta L. FACU FACU FACU Black-Eyed-Susan

Rudbeckia laciniata L. FAC FAC FAC Green-Head Coneflower

Rumex acetosella L. FACU FAC FACU Common Sheep Sorrel

Rumex altissimus Wood FACW FAC FAC Pale Dock

Rumex californicus Rech. f. FACW FACW FACW California Willow Dock

Rumex crispus L. FAC FAC FAC Curly Dock

Rumex densiflorus Osterhout FACW FACW FACW Dense-Flower Dock

Rumex dentatus L. FACW FACU OBL Toothed Dock

Rumex fueginus Phil. FACW FACW FACW Tierra del Fuego Dock

Rumex hastatulus Baldw. FAC FAC FAC Heart-Wing Sorrel

Rumex mexicanus Meisn. FAC - - Mexican Dock

Rumex obtusifolius L. FAC FACW FAC Bitter Dock

Rumex occidentalis S. Wats. FACW OBL FACW Western Dock

Rumex pulcher L. FAC FACW FAC Fiddle Dock

Rumex stenophyllus Ledeb. FACW FACW FACW Narrow-Leaf Dock

Rumex tomentellus Rech. f. OBL - OBL Mogollon Dock

Rumex triangulivalvis (Danser) Rech. f. FACW FACW FAC Triangular-Valved Dock

Rumex venosus Pursh UPL FAC FACU Veiny Dock

Rumex verticillatus L. FACW FACW FACW Swamp Dock

Rumex violascens Rech. f. FACW - FACW Violet Dock

Ruppia cirrhosa (Petag.) Grande OBL OBL OBL Spiral Ditch-Grass

Sabatia angularis (L.) Pursh FAC FAC - Rose-Pink

Saccharum ravennae (L.) L. FAC UPL FAC Ranenna Grass

Sagina saginoides (L.) Karst. FACW FACW FACW Alpine Pearlwort

Sagittaria brevirostra Mackenzie & Bush OBL OBL OBL Short-Beak Arrowhead

Sagittaria calycina Engelm. OBL OBL OBL Hooded Arrowhead

Sagittaria cuneata Sheldon OBL OBL OBL Arum-Leaf Arrowhead

Sagittaria demersa J.G. Sm. - OBL OBL Chihuahuan Arrowhead

Sagittaria graminea Michx. - OBL OBL Grass-Leaf Arrowhead

Sagittaria latifolia Willd. OBL OBL OBL Duck-Potato

Sagittaria longiloba Engelm. ex J.G. Sm. OBL OBL OBL Long-Barb Arrowhead

Salicornia rubra A. Nels. OBL OBL OBL Red Saltwort

Salix X sepulcralis Simonkai FACW - FACW -

Salix alba L. FACW FACW FACW White Willow

Salix amygdaloides Anderss. FACW FACW FACW Peach-Leaf Willow

Salix arizonica Dorn OBL OBL FACW Arizona Willow

Salix babylonica auct. non L. FACW FACW FACW -

Salix bebbiana Sarg. FACW FACW FACW Gray Willow

Salix boothii Dorn FACW - FACW Booth's Willow

Salix brachycarpa Nutt. FACW - FACW Short-Fruit Willow

Salix drummondiana Barratt ex Hook. FACW FACW FACW Drummond's Willow

Salix exigua Nutt. FACW FACW FACW Narrow-Leaf Willow

Salix fragilis L. FAC FAC FAC Crack Willow

Salix geyeriana Anderss. OBL OBL FACW Geyer's Willow

Salix glauca L. FACW FACW FACW Gray-Leaf Willow

Salix gooddingii Ball FACW FACW FACW Goodding's Black Willow

Salix interior Rowlee FACW FACW FACW Sandbar Willow

Salix irrorata Anderss. FACW FACW FACW Dewy-Stem Willow

Salix laevigata Bebb FACW - FACW Polished Willow

Salix lasiandra Benth. FACW FACW FACW -

Salix lasiolepis Benth. FACW FACW FACW Arroyo Willow

Salix ligulifolia (Ball) Ball ex Schneid. FACW FACW FAC Strap-Leaf Willow

Salix matsudana Koidzumi FAC - FAC Corkscrew Willow

Salix monticola Bebb OBL OBL OBL Park Willow

Salix nigra Marsh. - FACW - Black Willow

Salix nivalis Hook. FACW - FACW Snow Willow

Salix planifolia Pursh OBL OBL OBL Tea-Leaf Willow

Salix scouleriana Barratt ex Hook. FAC FACU FAC Scouler's Willow

Salix taxifolia Kunth FACW FAC FACW Yew-Leaf Willow

Salix wolfii Bebb OBL FACW OBL Idaho Willow

Salsola tragus L. FACU FACU FACU Prickly Russian-Thistle

Salvia lycioides Gray FACU FACU UPL Canyon Sage

Salvinia minima Baker OBL OBL OBL Water-Spangles

Sambucus nigra L. FAC FAC FACU Black Elder

Sambucus racemosa L. FACU FACU FACU Red Elder

Samolus ebracteatus Kunth FACW FACW FACW Limewater Brookweed

Samolus valerandi L. OBL OBL OBL Seaside Brookweed

Sanguisorba minor Scop. FACU FACU UPL Salad Burnet

Sanicula marilandica L. FAC FACU FAC Maryland Black-Snakeroot

Sapindus saponaria L. FACU FACU FACU Wing-Leaf Soapberry

Saponaria officinalis L. FACU FACU UPL Bouncing-Bett

Sarcobatus vermiculatus (Hook.) Torr. FAC FAC FACU Greasewood

Sarcocornia utahensis (Tidestrom) A.J. Scott OBL FACW OBL Utah Swampfire

Saxifraga bronchialis L. FACU FACU FACU Yellow-Spot Saxifrage

Saxifraga cernua L. FACW FACU FACW Nodding Saxifrage

Saxifraga chrysantha Gray FACU FACU FACU Golden Saxifrage

Saxifraga hirculus L. OBL OBL OBL Yellow Marsh Saxifrage

Saxifraga odontoloma Piper FACW FACW FACW Streambank Saxifrage

Saxifraga rhomboidea Greene FACW FAC FAC Diamond-Leaf Saxifrage

Saxifraga rivularis L. FACW FACW FACW Alpine-Brook Saxifrage

Schizachne purpurascens (Torr.) Swallen FACU FACU UPL False Melic Grass

Schizachyrium scoparium (Michx.) Nash FACU FACU FACU Little False Bluestem

Schoenoplectus acutus (Muhl. ex Bigelow) A.& D. Löve OBL OBL OBL Hard-Stem Club-Rush

Schoenoplectus americanus (Pers.) Volk. ex Schinz & R. Keller OBL OBL OBL Chairmaker's Club-Rush

Schoenoplectus californicus (C.A. Mey.) Palla OBL OBL OBL California Club-Rush

Schoenoplectus maritimus (L.) Lye OBL OBL OBL Saltmarsh Club-Rush

Schoenoplectus pungens (Vahl) Palla OBL OBL OBL Three-Square

Schoenoplectus tabernaemontani (K.C. Gmel.) Palla OBL OBL OBL Soft-Stem Club-Rush

Scirpus microcarpus J.& K. Presl OBL OBL OBL Red-Tinge Bulrush

Scirpus nevadensis S. Wats. OBL OBL OBL Nevada Bulrush

Scirpus pallidus (Britt.) Fern. OBL OBL OBL Pale Bulrush

Scirpus pendulus Muhl. OBL OBL OBL Rufous Bulrush

Scrophularia lanceolata Pursh FAC FAC FAC Lance-Leaf Figwort

Scutellaria galericulata L. OBL OBL OBL Hooded Skullcap

Scutellaria lateriflora L. FACW FACW FACW Mad Dog Skullcap

Selenia dissecta Torr. & Gray FACW FACW FACW Texas Selenia

Senecio amplectens Gray FACW FACW FACU Showy Alpine Ragwort

Senecio crassulus Gray FACU OBL FACU Thick-Leaf Ragwort

Senecio eremophilus Richards. FACU FAC FACU Desert Ragwort

Senecio integerrimus Nutt. FACU FAC FACU Lamb-Tongue Ragwort

Senecio serra Hook. FACU FACW FACU Tall Ragwort

Senecio triangularis Hook. FACW OBL FACW Arrow-Leaf Ragwort

Senecio vulgaris L. FACU FACU FACU Old-Man-in-the-Spring

Senna hirsuta (L.) Irwin & Barneby FACU - FACU Woolly Wild Sensitive-Plant

Sesuvium maritimum (Walt.) B.S.P. FACW FACW - Slender Sea-Purslane

Sesuvium verrucosum Raf. FACW FACW FACW Verrucose Sea-Purslane

Setaria adhaerens (Forssk.) Chiov. FACU UPL UPL Adherent Bristle Grass

Setaria italica (L.) Beauv. FACU FACU FAC Italian Bristle Grass

Setaria magna Griseb. FACW FACW FACW Giant Bristle Grass

Setaria parviflora (Poir.) Kerguélen FAC FAC FAC Marsh Bristle Grass

Setaria pumila (Poir.) Roemer & J.A. Schultes FAC FACU FAC Yellow Bristle Grass

Setaria verticillata (L.) Beauv. FACU FAC FACU Rough Bristle Grass

Shepherdia argentea (Pursh) Nutt. FACU UPL FACU Silver Buffalo-Berry

Shepherdia canadensis (L.) Nutt. UPL FACU UPL Russet Buffalo-Berry

Sibbaldia procumbens L. FACU FACU FACU Creeping-Glow-Wort

Sidalcea candida Gray FACW FAC FACW White Checker-Mallow

Sidalcea neomexicana Gray FACW FACW FACW Rocky Mountain Checker-Mallow

Sideroxylon lanuginosum Michx. FACU FACU FACU Gum Bully

Silene acaulis (L.) Jacq. UPL FAC UPL Cushion-Pink

Silene hitchguirei Bocquet OBL - UPL Mountain Catchfly

Silene menziesii Hook. FAC UPL FAC White Catchfly

Sisymbrium altissimum L. FACU FACU FACU Tall Hedge-Mustard

Sisyrinchium demissum Greene OBL OBL OBL Stiff Blue-Eyed-Grass

Sisyrinchium idahoense Bickn. FACW OBL FACW Idaho Blue-Eyed-Grass

Sisyrinchium longipes (Bickn.) Kearney & Peebles FACW - FACW Timberland Blue-Eyed-Grass

Sisyrinchium montanum Greene FACW FAC FAC Strict Blue-Eyed-Grass

Sium suave Walt. OBL OBL OBL Hemlock Water-Parsnip

Solanum americanum P. Mill. FACU FACU FACU American Black Nightshade

Solanum carolinense L. FACU UPL UPL Carolina Horse-Nettle

Solanum douglasii Dunal FAC FAC FAC Green-Spot Nightshade

Solanum dulcamara L. FAC FACU FAC Climbing Nightshade

Solanum ptycanthum Dunal FACU FACU FACU Eastern Black Nightshade

Solidago altissima L. FACU FACU FACU Tall Goldenrod

Solidago gigantea Ait. FACW FAC FACW Late Goldenrod

Solidago lepida DC. FAC FACU FAC Western Canada Goldenrod

Solidago multiradiata Ait. FACU FACU FACU Rocky Mountain Goldenrod

Solidago simplex Kunth FACU FACU FACU Mt. Albert Goldenrod

Sonchus arvensis L. FACU FAC FACU Field Sow-Thistle

Sonchus asper (L.) Hill FAC FAC FACU Spiny-Leaf Sow-Thistle

Sorbus scopulina Greene FACU FACU FACU Cascade Mountain-Ash

Sorghastrum nutans (L.) Nash FACU FACU FACU Yellow Indian Grass

Sorghum bicolor (L.) Moench FACU FACU FACU Broom-Corn

Sorghum halepense (L.) Pers. FACU FACU FACU Johnson Grass

Sparganium angustifolium Michx. OBL OBL OBL Narrow-Leaf Burr-Reed

Sparganium emersum Rehmann OBL OBL OBL European Burr-Reed

Sparganium eurycarpum Engelm. ex Gray OBL OBL OBL Broad-Fruit Burr-Reed

Sparganium natans L. OBL OBL OBL Arctic Burr-Reed

Spartina gracilis Trin. FACW FACW FACW Alkali Cord Grass

Spartina pectinata Bosc ex Link OBL FACW OBL Freshwater Cord Grass

Spergularia maritima (All.) Chiov. FACW FACU FAC Satin-Flower

Spergularia rubra (L.) J.& K. Presl FAC FACU FAC Ruby Sandspurry

Spergularia salina J.& K. Presl OBL OBL OBL Saltmarsh Sandspurry

Spermolepis divaricata (Walt.) Raf. ex Ser. FACW FACW FACW Rough-Fruit Scaleseed

Spermolepis echinata (Nutt. ex DC.) Heller FACU FACU FACU Bristly-Fruit Scaleseed

Sphaerophysa salsula (Pallas) DC. FACU FACU UPL Red Bladder-Vetch

Sphenopholis obtusata (Michx.) Scribn. FAC FAC FAC Prairie Wedgescale

Spinulum annotinum (L.) Haines FAC FAC FAC -

Spiranthes magnicamporum Sheviak FAC FAC FAC Great Plains Ladies'-Tresses

Spiranthes romanzoffiana Cham. FACW OBL FACW Hooded Ladies'-Tresses

Spirodela polyrrhiza (L.) Schleid. OBL OBL OBL Common Duckmeat

Sporobolus airoides (Torr.) Torr. FAC FAC FAC Alkali-Sacaton

Sporobolus cryptandrus (Torr.) Gray FACU FACU FACU Sand Dropseed

Sporobolus flexuosus (Thurb. ex Vasey) Rydb. FACU FAC UPL Mesa Dropseed

Sporobolus giganteus Nash FACU UPL UPL Giant Dropseed

Sporobolus heterolepis (Gray) Gray - UPL FACU Prairie Dropseed

Sporobolus pyramidatus (Lam.) A.S. Hitchc. FACU FAC FACU Target Dropseed

Sporobolus texanus Vasey FACW FAC FAC Texas Dropseed

Stachys coccinea Ortega FAC - FAC Scarlet Hedge-Nettle

Stachys pilosa Nutt. FACW FACW FACW Hairy Hedge-Nettle

Steinchisma hians (Ell.) Nash FACW FACW - Gaping Grass

Stellaria calycantha (Ledeb.) Bong. FACW FACW FACW Northern Bog Starwort

Stellaria crassifolia Ehrh. FACW OBL FACW Fleshy Starwort

Stellaria cuspidata Willd. ex Schlecht. FAC FAC FAC Mexican Starwort

Stellaria longifolia Muhl. ex Willd. FACW FACW FACW Long-Leaf Starwort

Stellaria longipes Goldie FACW OBL FACW Long-Stalk Starwort

Stellaria media (L.) Vill. FACU FACU FACU Common Chickweed

Stellaria umbellata Turcz. ex Kar. & Kir. FACW FACW FACW Umbrella Starwort

Stenotaphrum secundatum (Walt.) Kuntze FAC FAC FAC St. Augustine Grass

Streptopus amplexifolius (L.) DC. FAC FACW FAC Clasping Twistedstalk

Strophostyles helvola (L.) Ell. FACU FACU FAC Trailing Fuzzy-Bean

Stuckenia filiformis (Pers.) Börner OBL OBL OBL Slender-Leaf False Pondweed

Stuckenia pectinata (L.)Börner OBL OBL OBL Sago False Pondweed

Stuckenia striata (Ruiz & Pavón) Holub OBL OBL OBL Striped False Pondweed

Stuckenia vaginata (Turcz.) Holub OBL OBL OBL Sheathed False Pondweed

Suaeda calceoliformis (Hook.) Moq. FACW FACW FACW Paiuteweed

Suaeda nigra (Raf.) J.F. Macbr. OBL OBL OBL Shrubby Seepweed

Suaeda occidentalis (S. Wats.) S. Wats. FACW FACW FACW Western Seepweed

Suckleya suckleyana (Torr.) Rydb. FACW FACW FACW Poison Suckleya

Swertia perennis L. FACW FAC FACW Felwort

Symphoricarpos albus (L.) Blake FACU UPL FACU Common Snowberry

Symphoricarpos occidentalis Hook. FAC UPL FAC Western Snowberry

Symphyotrichum ascendens (Lindl.) Nesom FAC FACU FACU Western American-Aster

Symphyotrichum ciliatum (Ledeb.) Nesom FACW FACW FACW Alkali American-Aster

Symphyotrichum eatonii (Gray) Nesom FAC FAC FAC Bracted American-Aster

Symphyotrichum ericoides (L.) Nesom FAC FACU FAC White Heath American-Aster

Symphyotrichum falcatum (Lindl.) Nesom FACU FACU FACU Rough White Prairie American-Aster

Symphyotrichum foliaceum (Lindl. ex DC.) Nesom UPL UPL FACU Alpine Leafy-Head American-Aster

Symphyotrichum frondosum (Nutt.) Nesom FACW FACW FACW Leafy American-Aster

Symphyotrichum laeve (L.) A.& D. Löve FACU FACU FACU Smooth Blue American-Aster

Symphyotrichum lanceolatum (Willd.) Nesom OBL FACW OBL White Panicled American-Aster

Symphyotrichum novae-angliae (L.) Nesom FACW FACW FACW New England American-Aster

Symphyotrichum porteri (Gray) Nesom FACU FACU FACU Smooth White American-Aster

Symphyotrichum praealtum (Poir.) Nesom OBL FACW OBL Willow-Leaf American-Aster

Symphyotrichum spathulatum (Lindl.) Nesom FAC FAC FAC Mountain American-Aster

Symphyotrichum subulatum (Michx.) Nesom OBL OBL OBL Seaside American-Aster

Tamarix chinensis Lour. FAC FACW FAC Five-Stamen Tamarisk

Tamarix gallica L. FACW FACW FACW French Tamarisk

Tamarix parviflora DC. FAC FACW FACW Small-Flower Tamarisk

Tanacetum vulgare L. FACU FACU FACU Common Tansy

Taraxacum ceratophorum (Ledeb.) DC. UPL UPL FACU Horned Dandelion

Taraxacum officinale G.H. Weber ex Wiggers FACU FACU FACU Common Dandelion

Teucrium canadense L. FACW FACW FAC American Germander

Teucrium cubense Jacq. FACW FAC FACW Small Coastal Germander

Thalictrum alpinum L. FACW FACW FACW Alpine Meadow-Rue

Thalictrum dasycarpum Fisch. & Avé-Lall. FACW FAC FACW Purple Meadow-Rue

Thalictrum fendleri Engelm. ex Gray FAC FAC FAC Fendler's Meadow-Rue

Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. FAC - FAC Few-Flower Meadow-Rue

Thalictrum venulosum Trel. FACU FAC FAC Veiny-Leaf Meadow-Rue

Thelypodium integrifolium (Nutt.) Endl. ex Walp. FACW FACW FACW Entire-Leaf Thelypody

Thermopsis divaricarpa A. Nels. FAC FAC FAC Spread-Fruit Golden-Banner

Thermopsis montana Nutt. FAC - FAC Montane Golden-Banner

Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richards. FACU UPL FACU Prairie Golden-Banner

Thlaspi arvense L. UPL FACU UPL Field Pennycress

Torreyochloa pallida (Torr.) Church OBL OBL OBL Pale False Manna Grass

Toxicodendron rydbergii (Small ex Rydb.) Greene FACU FACU FACU Western Poison-Ivy

Toxicoscordion venenosum (S. Wats.) Rydb. FACU FAC FACU Meadow Poison Camas

Tradescantia occidentalis (Britt.) Smyth FACU UPL FACW Prairie Spiderwort

Tradescantia wrightii Rose & Bush FACW FACW FACW Wright's Spiderwort

Trautvetteria caroliniensis (Walt.) Vail FACW FACW FAC Carolina Tassel-Rue

Trianthema portulacastrum L. FAC FACW FAC Desert Horse-Purslane

Trichloris crinita (Lag.) Parodi FACU FACU UPL False Rhodes Grass

Tridens albescens (Vasey) Woot. & Standl. FACU FAC FACU White Fluff Grass

Tridens muticus (Torr.) Nash FAC UPL FAC Awnless Fluff Grass

Trifolium dasyphyllum Torr. & Gray UPL FACU UPL Uinta Clover

Trifolium dubium Sibthorp UPL FACU FACU Suckling Clover

Trifolium fragiferum L. FACU FAC FACU Strawberry-Head Clover

Trifolium hybridum L. FAC FACU FAC Alsike Clover

Trifolium longipes Nutt. FACW FACW FAC Long-Stalk Clover

Trifolium mucronatum Willd. ex Spreng. FACW FACW FACW Cusp Clover

Trifolium nanum Torr. UPL FACW UPL Tundra Clover

Trifolium neurophyllum Greene FACW FACW FACW White Mountain Clover

Trifolium parryi Gray FAC FAC FAC Parry's Clover

Trifolium pinetorum Greene FACW FACW FACW Pinewoods Clover

Trifolium pratense L. FACU FACU FACU Red Clover

Trifolium repens L. FACU FACU FAC White Clover

Trifolium wormskioldii Lehm. FACW FACW FACW Cow Clover

Triglochin maritima L. OBL OBL OBL Seaside Arrow-Grass

Triglochin palustris L. OBL OBL OBL Marsh Arrow-Grass

Triodanis perfoliata (L.) Nieuwl. FACU FAC UPL Clasping-Leaf Venus'-Looking-Glass

Tripleurospermum maritimum (L.) W.D.J. Koch FACU FAC FACU False Mayweed

Trisetum cernuum Trin. FACU - FACU Tall False Oat

Trisetum spicatum (L.) Richter FACU FACU UPL Narrow False Oat

Typha angustifolia L. OBL OBL OBL Narrow-Leaf Cat-Tail

Typha domingensis Pers. OBL OBL OBL Southern Cat-Tail

Typha latifolia L. OBL OBL OBL Broad-Leaf Cat-Tail

Ulmus americana L. FAC FAC FAC American Elm

Ulmus rubra Muhl. FAC FACU FAC Slippery Elm

Urochloa fusca (Sw.) B.F. Hansen & Wunderlin UPL FAC UPL Brown-Top Liverseed Grass

Urochloa panicoides Beauv. FACU FACU - Panic Liverseed Grass

Urtica dioica L. FAC FAC FAC Stinging Nettle

Utricularia macrorhiza Le Conte OBL OBL OBL Greater Bladderwort

Vaccaria hispanica (P. Mill.) Rauschert FACU UPL FACU Cowcockle

Vaccinium caespitosum Michx. FAC FAC FAC Dwarf Blueberry

Vaccinium myrtillus L. FACU UPL UPL Whortle-Berry

Vaccinium scoparium Leib. ex Coville FACU FACU FACU Grouseberry

Valeriana acutiloba Rydb. FACU FAC FACU Cordilleran Valerian

Valeriana edulis Nutt. ex Torr. & Gray FAC FAC FAC Tobacco-Root

Valeriana occidentalis Heller FAC FAC FAC Small-Flower Valerian

Valeriana texana Steyermark OBL OBL OBL Guadalupe Valerian

Vallisneria americana Michx. OBL OBL OBL American Eel-Grass

Veratrum californicum Dur. FACW OBL FAC California False Hellebore

Verbascum thapsus L. FACU UPL FACU Great Mullein

Verbena bracteata Cav. ex Lag. & Rodr. FAC FACU FAC Carpet Vervain

Verbena hastata L. FAC FACW FAC Simpler's-Joy

Verbena macdougalii Heller FACU FAC UPL New Mexico Vervain

Verbena scabra Vahl OBL OBL OBL Sandpaper Vervain

Verbesina encelioides (Cav.) Benth. & Hook. f. ex Gray FACU FAC FACU Golden Crownbeard

Vernonia marginata (Torr.) Raf. FACU FAC FACU Plains Ironweed

Vernonia missurica Raf. FACW FACW FACW Missouri Ironweed

Vernonia noveboracensis (L.) Michx. FAC FAC FAC New York Ironweed

Veronica americana Schwein. ex Benth. OBL OBL OBL American-Brooklime

Veronica anagallis-aquatica L. OBL OBL OBL Blue Water Speedwell

Veronica arvensis L. FACU FACU FACU Corn Speedwell

Veronica peregrina L. OBL FACW OBL Neckweed

Veronica serpyllifolia L. FAC OBL FAC Thyme-Leaf Speedwell

Veronica wormskjoldii Roemer & J.A. Schultes FACW FAC FACW American Alpine Speedwell

Viburnum opulus L. FACW FAC FACW Highbush-Cranberry

Vicia americana Muhl. ex Willd. FAC FACU FAC American Purple Vetch

Vicia sativa L. FACU FACU UPL Garden Vetch

Viola X viarum Pollard FACU FACU - -

Viola adunca Sm. FAC FACU FAC Hook-Spur Violet

Viola bicolor Pursh FAC FAC FACU Field Pansy

Viola canadensis L. FACU FACU FACU Canadian White Violet

Viola macloskeyi Lloyd OBL FACW OBL Smooth White Violet

Viola missouriensis Greene FACW FACW FACW Missouri Violet

Viola nephrophylla Greene FACW FACW FACW Northern Bog Violet

Viola pedatifida G. Don FACU FACU UPL Crow-Foot Violet

Vitis arizonica Engelm. FACU FACU FACU Canyon Grape

Vitis riparia Michx. FAC FAC FACU River-Bank Grape

Vulpia bromoides (L.) S.F. Gray FAC FAC FACU Brome Six-Weeks Grass

Vulpia myuros (L.) K.C. Gmel. FACU FAC FACU Rat-Tail Six-Weeks Grass

Vulpia octoflora (Walt.) Rydb. UPL FACU UPL Eight-Flower Six-Weeks Grass

Wislizenia refracta Engelm. FACU FACW FACU Spectacle-Fruit

X Elyhordeum macounii (Vasey) Barkworth & D.R. Dewey FACU FAC FACU -

Xanthisma spinulosum (Pursh) D. Morgan & R.L. Hartman UPL UPL FACU Lacy Sleepy Daisy

Xanthium spinosum L. FACU FACU FACU Spiny Cockleburr

Xanthium strumarium L. FAC FAC FAC Rough Cockleburr

Yabea microcarpa (Hook. & Arn.) K.-Pol. FACU - FACU False Hedge-Parsley

Zannichellia palustris L. OBL OBL OBL Horned-Pondweed