1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
3 specimens
Tivela byronensis
BPBM 255474
M.E.B.; Thomas A. Burch & Beatrice Burch, 1933Mexico
BPBM 255505
C.R. Orcutt; Thomas A. Burch & Beatrice BurchMexico
BPBM 255762
Robinson; Thomas A. Burch & Beatrice Burch, 1958Philippines