1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
3 specimens
Chaetomorpha
BISH 543471
Ayers, H.M.Pacific Grove
Chaetomorpha melagonium
BISH 543662
Ayers, H.M., 1922Pacific Grove
Cladophora
BISH 544159
Ayers, H.M., 1922[World; North America; U.S.A.; California