1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
2 specimens
Riccardia chamedryfoliaHolotype
BISH 508557 · Miller, H.A., 1960
Mwoakilloa Atoll, Micronesia
Riccardia graeffeiHolotype
BISH 508559 · Miller, H.A., 1960
