1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
2 specimens
Porpidia albocaerulescens
BISH 710858 · Eckfeldt, J.W.
[U.S.A.; Pennsylvania
BISH 791345 · Nelson, J., 1984
Windham County, Town of Halifax, on rock outcrop by spring on Johnson's land
