1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
3 specimens
Polysiphonia nigrescens
BISH 618203
R.H.; Delta, 1975Netherlands
BISH 538695
BISH 618297
Prud'homme van Reine, W.F., 1967Netherlands