Polysiphonia sangŭinea var. = P. megarthra Zan.
(Scientific name (as in the printed monograph): Polysiphonia sanguinea (Ag.) Zan. var. = Pol. megarthra Zan.)

Catalogue number: MSNVE-26838
Locality (verbatim): Valle Millecampi
Coordinates: 45.29323, 12.18672
Date: 01/04/1931
Legit: A. Vatova
Determinavit: V. Schiffner
Other information:
Observations:

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CC BY 4.0