1 Sammamish Plateau Freshwater Marsh Field Trip. 2 Invasives

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Sammamish Plateau Freshwater Marsh Field Trip

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Invasives

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Phalaris arundinacea

4Rubus armeniacus

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Iris pseudacorus

6Ranunculus repens

7Spiraea douglasii

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Lythrum salicaria

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Lysimachia vulgaris

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Solanum dulcamara

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Nymphaea odorata

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Polygonum cuspidatum

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Phragmites australis

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Field Trip Sites

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Big Bear Creek at Woodinville-Duvall Road

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Big Bear Creek

20Forested Swamp, Redmond Watershed

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Palustrine Open Water Wetland, Redmond watershed

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Hazel Wolf wetland

24Water channel to north of Hazel Wolf wetland

25Queen’s Bog

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Natives

27Scirpus microcarpus (small-fruited bulrush)

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29Carex rostrata

30Carex obnupta

31Carex stipata

32Glyceria elata

33Lysichitum americanum

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Athyrium felix-femina (lady fern)

35Rubus spectabilis (salmonberry)

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37Red osier dogwood

38Physocarpus capitatus

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Spiraea douglasii

41Ribes bracteosum

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Rhamnus purshiana(cascara)

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Malus (Pyrus) fusca (western crabapple)

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Crataegus douglasii (black hawthorn)

45Fraxinus latifolia (Oregon ash)

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Forested swamp with Oregon ash

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Alnus rubra (red alder)

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Populus balsamifera ssp trichocarpa (black cottonwood)

49Salix sitchensis(Sitka willow)

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Salix lucida ssp. Lasiandra (Pacific willow)

51Picea sitchensis (Sitka spruce)

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53Western red cedar

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Bogs

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58Eriophorum

59Vaccinium oxycoccos

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61Drosera rotundifolia

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64Ledum groenlandicum (Labrador tea)

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66Kalmia occidentalis (bog laurel)

67Andromeda polifolia (bog rosemary)

68Dulichium arundinaceum