P. Sydow and W. Zopf [1-4900]

USDA United States National Fungus Collections
Catalog #: BPI 1055004
P. Sydow #s. n. 00 October 1886
Peronospora gangliformis (Berkeley) de Bary
Germany, Berlin, bot. Garten

New York Botanical Garden
Catalog #: 1959273
0c76a173-4912-4aed-a5f7-7f9146fa9b95
P. Sydow #s.n. 00 October 1886
Bremia lactucae Regel
Germany, Botan Garten, Berlin