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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.

4 specimens

Conferva

BISH 518072

Tilden, J.E.
Hawaiʻi Island

Conferva

BISH 545165

Weed, W.H., 1897
Echirus Geyser, Yellowstone National Park

Conferva

BISH 545166

Tilden, J.E., 1896
Noris Geyser, Yellowstone National Park

Conferva

BISH 545167

Tilden, J.E.
Aberdeen