1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
2 specimens
Zirfaea gabbii
BPBM 196902
Cincinnati Society Of Natural History; Joseph Swift Emerson, 1927California
BPBM 196903
H.C. Higgins; Joseph Swift Emerson, 1921California