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Rhoicosphenia abbreviata

(Agardh) Lange-Bertalot 1980      Category: Asymmetrical biraphid
BASIONYM: Gomphonema abbreviatum
SYNONYM(S): Gomphonema abbreviatum Agardh | Rhoicosphenia curvata (K├╝tzing) Grunow 

Rexlowea navicularis

 

Rhoicosphenia californica

Contributor: Marina Potapova -