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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Pontederia hastata
BISH 733938
McClure, F.A., 1921
Hainan Island, China
Pontederia korsakowii
BISH 733939
Cheo, H.C.
China
Pontederia korsakowii
BISH 733940
Cheo, H.C., 1928
China
Pontederia vaginalis
BISH 733941
Tsang; Fung, 1929
China
Pontederia vaginalis
BISH 733943
Lau, S.K., 1933
Hainan Island, China
Pontederia vaginalis
BISH 733944
Lau, S.K., 1934
Hainan Island, China
Pontederia crassipes
BISH 733987
Cheo, H.C.; Wilson, 1926
China