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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Diospyros sandwicensis
BISH 48044
Desha, E.; Au, E.; Rogers, M.; Williamson, E., 1963
Lānaʻi
Chaetomorpha antennina
BISH 522654
Williamson, E., 1972
Hawaiʻi Island
Cladophora
BISH 546028
Williamson, E., 1935
Oʻahu
Ardisia elliptica
BISH 58939
Williamson, E., 1961
Maui
Ulva
BISH 624485
Williamson, E., 1973
Molokaʻi
Trachelospermum jasminoides
BISH 625083
Williamson, E., 1961
Molokaʻi
Patella argentatus
BPBM 205824
Williamson, Ellie; Williamson, Ellie
Lānaʻi
Cypraea
BPBM 205825
Williamson, Ellie; Williamson, Ellie
Lānaʻi
Achatina fulica
BPBM 206341
Eleanor W. Williamson; Eleanor W. Williamson, 1963
Oʻahu
Pterocladiella
BISH 509819 · Williamson, E.
Oʻahu
Halimeda discoidea
BISH 509821 · Williamson, E.
Oʻahu
Bryopsis
BISH 509822 · Williamson, E.
Oʻahu
Dictyosphaeria cavernosa
BISH 509849 · Williamson, E.
Oʻahu
Zosterops japonicus
BPBM 178883 · E Williamson
Oʻahu