(Scientific name (as in the printed monograph): Polysiphonia opaca (Ag.) Zan.)
Catalogue number: MSNVE-26840
Locality (verbatim): Diga Semaforo (Venezia)
Coordinates: 45.42971, 12.40516
Date: 26/01/1931
Legit:
Determinavit: V. Schiffner
Other information: Diatom. (Schizonema)
Observations: