Karl von Keissler
Karl (Carl) von Keissler (1872–1965), German botanist and lichenologist
IPNI standard form: Keissl.
Taxon names authored
(List may be incomplete)
Published author of:
- Phacopsis geographici (J.Steiner) Keissl., 1930
- Cyphelium trachylioides (Nyl. ex Branth & Rostr.) Erichsen ex Keissler, 1938