Species: Staurastrum ophiura

VANDA: Planteplankton 1993-09-16 Eikeli videregående skole Bogstadvannet (Oslo, Norway) Vis heile registreringa	Dinobryon bavaricum Dinobryon divergens Euastrum cf. binale Mallomonas cf. candata Merismopedia glauca Peridinium sp. Staurastrum ophiura Tabellaria fenestrata Tabellaria flocculosa
VANDA: Planteplankton 1989-08-24 Nord-Gudbrandsdal vidaregåande skule/Avd Otta Vålåsjøen (Innlandet, Norway) Vis heile registreringa	Anabaena sp. Chlamydomonas spp. Chroococcus cf. limneticus Closterium sp. Cryptomonas marssonii Cyclotella spp. Dinobryon crenulatum Euastrum cf. gemmataum Euastrum pulchellum Fragilaria crotonensis Gomphosphaeria naegeliana Koliella spp. Mallomonas spp. Microcystis cf. aeruginosa Microcystis spp. Oocystis spp. Scenedesmus ecornis Staurastrum ophiura Tabellaria flocculosa
VANDA: Planteplankton 1990-08-31 Overhalla videregående skole Raudsjøen (Trøndelag, Norway) Vis heile registreringa	Closterium dianae Closterium kuetzingii Cosmarium sp. Euastrum verrucosum Fragilaria capucina Micrasterias sp. Oocystis sp. Pediastrum sp. Pleurotaenium sp. Staurastrum ophiura Staurodesmus sp. Tabellaria flocculosa Xanthidium sp.