Slekt: Tetraedron

VANDA: Planteplankton 26.06.1990 Gimle videregående skole Tretjønnet (Kristiansand, Agder) Vis hele registreringen	Ankistrodesmus cf. spiralis Ceratium hirundinella Cosmarium sp. Crucigenia sp. Crucigenia tetrapedia Dinobryon divergens Mallomonas sp. Monoraphidium cf. contortum Pandorina sp. Peridinium sp. Scenedesmus acutus Scenedesmus arcuatus Scenedesmus sp. Sphaerocystis setigera Staurodesmus sp. Tabellaria flocculosa Tetraedron minimum
VANDA: Planteplankton 19.09.1989 Byremo videregående skole Grindheimsvatnet (Lyngdal, Agder) Vis hele registreringen	Aphanothece cf. clathrata Chlamydomonas spp. Closterium cf. limneticus Crucigenia tetrapedia Dinobryon crenulatum Melosira spp. Merismopedia sp. Monoraphidium setigera Peridinium spp. Tetraedron minimum
VANDA: Planteplankton 23.05.1991 Sogndal vidaregåande skule Svartaholtjørnet (Sogndal, Vestland) Vis hele registreringen	Closterium sp. Cosmarium spp. Dinobryon crenulatum Dinobryon divergens Melosira sp. Merismopedia glauca Micrasterias rotata Oscillatoria sp. Spondylosium sp. Tabellaria fenestrata Tabellaria flocculosa Tetraedron sp. Xanthidium sp.
VANDA: Planteplankton 28.09.1990 Strinda videregående skole Vikerauntjønna (Trondheim - Tråante, Trøndelag) Vis hele registreringen	Asterionella formosa Ceratium hirundinella Cyclotella sp. Dinobryon bavaricum Rhodomonas lacustris Rhodomonas sp. Scenedesmus sp. Tetraedron minimum
VANDA: Planteplankton 19.09.1989 Strinda videregående skole Vikerauntjønna (Trondheim - Tråante, Trøndelag) Vis hele registreringen	Asterionella formosa Bitrichia cf. chodatii Ceratium hirundinella Dinobryon bavaricum Elakatothrix cf. genevensis Kirchneriella contorta Merismopedia cf. glauca Monoraphidium griffithii Oocystis cf. lacustris Rhodomonas lacustris Tetraedron minimum
VANDA: Planteplankton 14.10.1991 Hamar katedralskole Stavsjø (Ringsaker, Innlandet) Vis hele registreringen	Anabaena sp. Ankistrodesmus falcatus Asterionella formosa Aulacoseira granulata Ceratium hirundinella Dinobryon crenulatum Elakatothrix sp. Fragilaria crotonensis Gomphosphaeria sp. Mallomonas sp. Merismopedia sp. Microcystis sp. Monoraphidium cf. arcuatum Nitzschia sp. Oocystis sp. Pediastrum boryanum Quadrigula sp. Scenedesmus sp. Staurastrum sp. Tabellaria flocculosa Tetraedron sp.
VANDA: Planteplankton 07.09.1991 Valler videregående skole Dælivannet (Bærum, Akershus) Vis hele registreringen	Anabaena sp. Ceratium hirundinella Elakatothrix genevensis Fragilaria crotonensis Gomphosphaeria sp. Mallomonas sp. Merismopedia sp. Microcystis sp. Peridinium cf. pusillum Peridinium sp. Phacus sp. Rhodomonas sp. Scenedesmus ecornis Scenedesmus sp. Staurastrum sp. Tetraedron minimum
VANDA: Planteplankton 07.09.1989 Valler videregående skole Dælivannet (Bærum, Akershus) Vis hele registreringen	Anabaena cf. solitaria Ankistrodesmus falcatus Asterionella formosa Ceratium hirundinella Crucigenia tetrapedia Cyclotella spp. Dinobryon crenulatum Dinobryon divergens Gomphosphaeria naegeliana Microcystis spp. Monoraphidium griffithii Oocystis cf. rhomboidea Pediastrum duplex Peridinium cf. cinctum Peridinium cf. inconspicuum Rhodomonas spp. Scenedesmus quadricauda Staurastrum sp. Tetraedron minimum
VANDA: Planteplankton 03.06.1991 Oppegård videregående skole Kolbotnvannet (Nordre Follo, Akershus) Vis hele registreringen	Anabaena sp. Ankistrodesmus sp. Closterium sp. Coelastrum sp. Cyclotella sp. Fragilaria crotonensis Fragilaria sp. Oscillatoria sp. Pandorina sp. Scenedesmus ecornis Scenedesmus sp. Staurastrum sp. Tetraedron sp.
VANDA: Planteplankton 22.09.1989 Kristen videregående skole Trøndelag Haukvatnet (Trondheim - Tråante, Trøndelag) Vis hele registreringen	Ankistrodesmus falcatus Ankistrodesmus sp. Bitrichia cf. chodatii Crucigenia tetrapedia Cryptomonas spp. Cyclotella spp. Dinobryon crenulatum Fragilaria sp. Microcystis spp. Monoraphidium contortum Monoraphidium setiforme Peridinium spp. Rhodomonas lacustris Spondylosium sp. Tetraedron minimum
VANDA: Planteplankton 14.06.1991 Smøla videregående skole Rørvatnet (Smøla, Møre og Romsdal) Vis hele registreringen	Anabaena cf. solitaria Ankistrodesmus gracilis Bitrichia chodatii Closterium cf. longisetum Cosmarium cf. depressum Dinobryon bavaricum Dinobryon borgei Dinobryon crenulatum Elakatothrix sp. Euastrum cf. binale Euastrum cf. didelta Gomphosphaeria lacustris Mallomonas sp. Merismopedia sp. Microcystis sp. Oscillatoria sp. Peridinium cf. pusillum Pleurotaenium ehrenbergii Rhizosolenia eriensis Spirogyra sp. Staurastrum sp. Tabellaria fenestrata Tabellaria flocculosa Tetraedron cf. incus
VANDA: Planteplankton 10.06.1991 Midt-Østerdal videregående skole/Koppang Kjemsjøen (Stor-Elvdal, Innlandet) Vis hele registreringen	Bitrichia chodatii Crucigenia tetrapedia Dinobryon bavaricum Dinobryon crenulatum Eudorina sp. Mallomonas sp. Microcystis spp. Nephrocytium sp. Peridinium sp. Rhodomonas lacustris Tabellaria flocculosa Tetraedron sp.