Species: Cosmarium centractum
VANDA: Planteplankton 1990-08-30 Porsgrunn videregående skole Kverndammen (Telemark, Norway) | Cosmarium centractum Elakatothrix cf. viridis Elakatothrix viridis Korshikoviella sp. Korshikoviella spp. Monoraphidium sp. Tabellaria fenestrata Tabellaria flocculosa |