1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
3 specimens
Williamia peltoides
BPBM 259277
Thaanum, DitlevCalifornia
BPBM 259278
Thaanum, DitlevMexico
BPBM 259280
Thaanum, Ditlev, 1927California