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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0074966
s.n.
Peronospora alsinearum Casp.

Purdue University, Kriebel Herbarium
Catalog #: PUL00026402
O Jaap s.n. 21 July 1904
Peronospora alsinearum Caspary
Germany, Schleswig Holstein, Strand bei Munkmarsch auf der nordfries. Insel Sylt.

Field Museum of Natural History
Catalog #: C0259025F
7d49f772-6b6c-445d-91a6-c83b91bab92b
O. Jaap #s.n. 21 July 1904
Peronospora alsinearum Casp. Casp.
Germany, Schleswig-Holstein, Nordfriesland, Near Munkmarsch, Island of Sylt