1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
3 specimens
Riccardia graeffeiHolotype
BISH 508558 · Whittier, H.O.; Miller, H.A., 1960
Sorol, Micronesia
BISH 508559 · Miller, H.A., 1960
Mwoakilloa Atoll, Micronesia
Riccardia graeffei
BISH 738175 · Yamaguchi, T., 2008
Chichi-Jima, Japan
