1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
2 specimens
Cylindrospermum stagnale
BISH 550842 · Kuehne, P.E., 1943
Canada
Rivularia dura
BISH 553226 · Kuehne, P.E., 1940