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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Polypodium glycyrrhiza
BISH 106074
Howell, T.J.; Guttenberg, G., 1880
Western Oregon
Physematium oreganum
BISH 108315
Howell, T.J.?, 1880
Eastern Oregon
Selaginella douglasii
BISH 766464
Howell, T.J., 1880
Selaginella douglasii
BISH 768490
Howell, T.J., 1881
Columbia River, near the Cascades
Struthiopteris spicant
BISH 99027
Howell, T.J., 1880
Western Oregon
Cryptogramma acrostichoides
BISH 99287
Howell, J.; Guttenberg, G., 1886
Western Oregon.
Hesperocnide tenella
BISH 185965 · Howell, J.T., 1957
Near the Pinnacles
Brachytrichia quoyi
BISH 550422 · Howell, 1932
Floreana (=Charles Island), Ecuador
Brachytrichia quoyi
BISH 550423 · Howell, 1932
Costa Rica