O. Jaap and C. Brick [1-959]

Purdue University, Kriebel Herbarium
Catalog #: PUL00026650
O Jaap s.n. 08 October 1906
Helotium humuli (Lasch) De Not.
Germany, Brandenburg, Prignitz, Triglitz;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0071055
O. Jaap #s.n. 08 October 1906
Helotium humuli var. minusculum Rehm
Germany, Brandenburg, Triglitz in der Prignitz