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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
HolotypeGemmula congener unilineata
BPBM 8929
C. Weaver; Powell, 1964
Oʻahu
HolotypeXenuroturris gemmuloides
BPBM 8930
C. Weaver; Powell, 1959
Oʻahu
HolotypeXenuroturris kingae
BPBM 9970
Mrs. M.E. King; Powell, 1962
Oʻahu

Pythia
BPBM 94498
Powell; Powell, A.T.P., 1929
Tonga
Dryopteris arborescens
BISH 1613931 · Powell, 1877
Samoa
Dryopteris arborescens
BISH 1613932 · Powell, 1877
Samoa
Eriocaulon cinereum
BISH 442233 · Gebo, A.; Powell, 1972
New Guinea, Papua New Guinea
