Rehm, Ascomyc.
H. Rehm [1-2175, plus extras]

Academy of Natural Sciences of Drexel University
Catalog #: PH00302522
M. Britzelmayr #s.n. 00 October 1876
Erysiphe urticae (Wallr.) S. Blumer
Germany, Bavaria, Swabia, bei Augsburg