1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
2 specimens
Polycarpaea corymbosa
BISH 590731 · Irwin, H.S.; Grear Jr., J.W.; Souza, R.; dos Santos, R., 1966
Brazil
Polycarpon tetraphyllum
BISH 596730 · Irwin, H.S.; Soderstrom, T.R., 1964
