Karl von Keissler

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Karl (Carl) von Keissler - German botanist & lichenologist (1872-1965)   (Keissl.)


Published author of:

Phacopsis geographici (J.Steiner) Keissl., 1930
Cyphelium trachylioides (Nyl. ex Branth & Rostr.) Erichsen ex Keissler, 1938



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