Keissler, Krypt. Exs.
Keissler, K. von [2601 - 3200]

Academy of Natural Sciences of Drexel University
Catalog #: PH00082463
W.C. Barbour #s.n.
Entodon cladorrhizans (Hedw.) Müll. Hal.
United States, Pennsylvania, Bradford, prope Sayre