CPN Volume 7 Number 2 - June 1978 · Standardized Photography of Pinguicula Blossoms By Jurg F....
8
CPN Volume 7 Number 2 - June 1978 · Standardized Photography of Pinguicula Blossoms By Jurg F. Steiger (AUM, Inselspital 14, CH-1310 Berne, Switzerland) In many plants, exsiccata*