Pleurotaenium cf. trabecula
VANDA: Planteplankton 1991-09-18 Sogndal vidaregåande skule Svartaholtjørnet (Vestland, Norway) | Anabaena sp. Cosmarium margaritiferum Cosmarium spp. Elakatothrix genevensis Euastrum verrucosum Merismopedia glauca Microcystis sp. Pleurotaenium cf. trabecula Tabellaria flocculosa Xanthidium cristatum |