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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Codium arabicum
BISH 515749
Silva, P.C., 1952
[World; North America; U.S.A.; ? ; California
Callophyllis linearis
BISH 532640
Silva, P.C.; Pritchard, 1947
Monterey County; Bloom's Place, 10 miles south of Point Sur
Plocamium cartilagineum
BISH 538022
Silva, P.C., 1947
2 mi north of Morro Rock, Estero Bay
Gracilaria longissima
BISH 636719
Silva, P.C., 1968
Tiburon, Paradise Beach
Phoebastria immutabilis
BPBM 178651 · P Silva
Kauaʻi
Phoebastria immutabilis
BPBM 178652 · P Silva
Kauaʻi
Phoebastria immutabilis
BPBM 178653 · P Silva
Kauaʻi
Phoebastria immutabilis
BPBM 178654 · P Silva
Kauaʻi
Callithamnion pikeanum
BISH 527385 · Silva, P.C.
Piedras Blancas Point
Calothrix confervicola
BISH 550767 · Silva, P.C., 1949
Santa Barbara County; Willows Anchorage, Santa Cruz Island
Entophysalis conferta
BISH 550914 · Silva, P.C., 1950
Santa Cruz Island, Fornegs Cove