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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Pupina rousiana
BPBM 161376
H. Williams; Museum Of Comparative Zoology
Fergusson Island, Papua New Guinea
Barbula unguiculata
BISH 462254
Crum, H.; Harry Williams, 1960
Canada
Ptychostomum pallescens
BISH 463754
Crum, H.; Williams, H., 1960
Canada
Ptychostomum pseudotriquetrum
BISH 463773
Crum, H.; Williams, H., 1960
Canada
Platyhypnum duriusculum
BISH 469214
Crum, H.; Williams, H., 1960
Canada
Platyhypnum duriusculum
BISH 469215
Crum, H.; Williams, H., 1960
Canada
Lewinskya elegans
BISH 473029
Crum, H.; Williams, H., 1960
Canada
Pohlia cruda
BISH 475292
Crum, H.; Williams, H., 1960
Canada
Partula similaris
BPBM 164599
H. Williams; Museum Of Comparative Zoology, 1937
New Guinea, Papua New Guinea
Partula similaris
BPBM 193193
Williams, H.; Crampton, Henry E.
New Guinea, Papua New Guinea
Tellinidae
BPBM 208289
Williams, Howel (W.C. Berkeley)
Tahiti, French Polynesia
Polinices mamilla
BPBM 208290
Williams, Howel
Tahiti, French Polynesia
Cerithium breve
BPBM 208291
Williams, Howel
Tahiti, French Polynesia
Partula similaris
BPBM 215451
H. Williams; Museum Of Comparative Zoology, 1936
New Guinea, Papua New Guinea