Flora der Schweiz und angrenzender Gebiete
By: [von] Hans Ernst Hess, Elias Landolt, Rosmarie Hirzel. Band 2, Nymphaeaceaebis Primulaceae.
Contributors: Landolt, Elias.; Hirzel, Rosemarie.
Publisher: Birkha user
Published: 1970
Place of publication: Basel
Language: ger