1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
4 specimens
Pontederia hastata
BISH 582330
den Hoed, G.; van der Meer, P., 1939Indonesia
BISH 582685
den Hoed, G.; van der Meer, P., 1940Indonesia
Pontederia vaginalis
BISH 582686
den Hoed, G.; van der Meer, P., 1941Indonesia
BISH 590863
Dihm, H., 1899Indonesia