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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Roellobryon roellii
BISH 476910
Williams, R.S.; NULL, 1896
Shaded slopes of mountain. Columbia Falls, Mont. U.S.A.
Goniophlebium persicifolium
BISH 625043
Williams, R.S., 1904
Luzon, Philippines
Pholidichthys anguisParatype
BPBM 36786 · R. Williams, 1992
Northern Territory, Australia
Coelorinchus pardusParatype
BPBM 38460 · R. Williams, 1992
Australia, Australia
Picea engelmannii
BISH 464367 · Williams, L.O.; Williams, R., 1936
Powder River, Johnson, head of N fork
Eleocharis montevidensis
BISH 623810 · Williams, R.; Raven, K., 1958
Wellborn; Brazos Co
Pycnonotus cafer
BPBM 175808 · R N Williams
Oʻahu
Pycnonotus cafer
BPBM 175809 · R N Williams
Oʻahu