Table 1 A list of phytoplankton species of the Cheonjin Lake. * indicates new to Korea, ** indicates new to Korean peninsula

Division Cyanophyta Class Cyanophyceae

 Anabaena sp.

 Aphanothece microscopica

 Chroococcus minutus

 Cyanothece aeruginosa

 Geitlerinema splendidum

 Hapalosiphon hibernicus

 Merismopedia glauca

 Merismopedia tenuissima

 Oscillatoria agardhii

 Oscillatoria princeps

 Oscillatoria tenuis

 Phormidium simplicissimum

 Scytonema sp.

Division Chlorophyta Class Chlorophyceae

 Ankistrodesmus densus

 Ankistrodesmus faciculatus

 Ankistrodesmus falcatus

 Ankistrodesmus fusiformis

 Ankistrodesmus spiralis

 Asterococcus superbus

 Botryococcus braunii

 Botryococcus sudetica

 Bulbochaete sp.

 Chaetophora pisiformis.

 Chaetosphaeridium globosum

 Chlamydomonas sp.

 Coelastrum asteroideum

 Coelastrum indicum

 Coelastrum microporum

 Coelastrum probocideum

 Coelastrum pulchrum

 Coelastrum sphaericum

 Crucigenia fenestrata

 Crucigenia tetrapedia

 Crucigeniella apiculata

 Crucigeniella crucifera

 Crucigeniella pulchra

 Crucigeniella quadrata

 Crucigeniella rectangularis

 Diacanthos belenophorus

 Dictyosphaerium ehrenbergianum

 Dictyosphaerium pulchellum

 Dictyosphaerium sphagnale

 Dimorphococcus lunatus

 Elakatothrix genevensis

 Geminella spiralis

 Gloeocystis gigas

 Gonium sociale

 Scenedesmus serratus

 Scenedesmus spinosus

 Selenastrum bibrianum

 Selenastrum westii

 Sorastrum spinulosum

 Sphaerocystis schroeteri

 *Tetradesmus lunatus

 Tetraedron constrictum

 Tetraedron enorme

 Tetraedron incus var.regulare

 Tetraedron planktonicum

 Tetraedron regulare

 Tetraedron trigonum

 Tetraedron trigonum var. gracile

 Tetraedron tumidulum

 Tetrallantos lagerheimii

 Tetrastrum triangulare

 Westella botryoides

 Westella linearis

Class Charophyceae(Desmids)

 Cosmarium auriculatum

 Cosmarium binum

 Cosmarium connatum

 Cosmarium contractum

 Cosmarium contractum var.ellipsoideum

 *Cosmarium contractum var.incrasatum

 *Cosmarium contractum var.minutum

 Cosmarium decachondrum

 Cosmarium depressum

 Cosmarium cf.depressum var. planktonicum

 *Cosmarium exiguum

 *Cosmarium geminatum

 Cosmarium globosum

 Cosmarium granatum

 Cosmarium hammeri var.protuberans

 *Cosmarium hexagonum sp. nov.

 Cosmarium impressulum

 Cosmarium impressulum var.crenulatum

 *Cosmarium inornatum

 Cosmarium lundellii var.ellipticum

 *Cosmarium medioscrobiculatum var.egranulatum

 Cosmarium moniliforme

 Cosmarium navicula

 Cosmarium navicula var.crassum

 Cosmarium obsoletum

 Cosmarium obsoletum var.sitvense

 Cosmarium obtusatum

 *Cosmarium ocellatum var.glabrum

 *Cosmarium ocellatum var.notatum

 *Cosmarium ordinatum var.borgei

 Cosmarium pachydermum

 Cosmarium polonicum

 Cosmarium portianum

 Cosmarium pseudomagnificum

 Cosmarium quadriparum var.hexastichum

 Cosmarium quadrum

 Cosmarium regnesii

 *Cosmarium reniforme var.elevatum

 *Cosmarium stigmosum

 Cosmarium subauriculatum

 Cosmarium subcucumis

 Cosmarium subimpressulum

 Cosmarium subspeciosum

 Cosmarium turgidum

 Cosmarium zonatum

 Cosmarium sp.

 Cosmocladium constrictum

 Cylindrocystis brebissonii

 Cylindrocystis gracilis

 Desmidium aptogonum

 *Desmidium baileyi var.caleatum

 Desmidium coarctatum

 Desmidium swartzii

 Euastrum ansatum var.pyxidatum

 Euastrum binale var.gutwinskii

 Euastrum denticulatum

 Euastrum sinuosum

 Euastrum spinulosum var. inermius

 Gonatozygon aculeatum

 Gonatozygon brebissonii

 Gonatozygon kinahanii

 Gonatozygon monotaenium

 *Haplotaenium minutum var.elongatum

 Hyalotheca disciliens

 Mesotaenium degreyii

 Micrasterias crux-melitensis

 Micrasterias decemdentata

 Micrasterias foliacera

 Micrasterias pinnatipida

 Netrium digitus

 Netrium interruptum

 Netrium lamellosum

 Netrium naegeli

 Onychonema filiforme

 Penium cylindrus

 Penium magaritaceum

 Penium spirostriolatum

 Pleurotaenium baculoides

 Pleurotaenium ehrenbergii

 Pleurotaenium ehrenbergii var.elongatum

 *Pleurotaenium simplicissimum

 Pleurotaenium trabecula

 Sphaerozosma planum

 *Spirotaenia kirchneri var.erythropunctata

 Spirogyra sp.

 Staurastrum alternans

 *Staurastrum arachne

 Staurastrum asterias

 Staurastrum avicula

 Staurastrum brachiatum

 Staurastrum chaetoceras

 *Staurastrum cyrtocerum var.inflexum

 Staurastrum gladiosum

 Staurastrum iotanum var.curvatum

 Staurastrum laponicum

 Staurastrum manfeldtii

 Staurastrum muticum

 Staurastrum orbiculare var.depressum

 Staurastrum pseudotetracerum

 *Staurastrum sexangulare var.productum

 *Staurastrum sinense

 Staurastrum tetracerum

 Staurodesmus dejectus

 Staurodesmus extensus var.josua

 Staurodesmus extensus var.rectus

 Staurodesmus glaber

 Teilingia granulata

 Tortitaenia obscura

 **Triploceras gracile

 Xanthidium antilopaeum

 Xanthidium antilopaeum var.javanicum

 *Xanthidium cristatum var.papilliferum

 Xanthidium cristatum var.uncinatum

 *Xanthidium octocorne

 Zygnemasp.

Division Euglenophyta Class Euglenophyceae

 *Cyclidiopsis acus

 Euglena acus

 Euglena ehrenbergii

 Euglena oxyuris

 Euglena spirogyra

 Euglena sp.

 *Lepocinclis acicularis

 Lepocinclis fusiformis

 *Lepocinclis fusiformis var.amphirhynchus

 *Lepocinclis fusiformis var.minor

 Lepocinclis marssonii

 *Lepocinclis marssonii var.sinensis

 Lepocinclis ovum var.dimidiominor

 Lepocinclis ovum var.gracilicauda

 *Lepocinclis ovum var.palatina

 *Lepocinclis pseudovum

 Lepocinclis salina

 Menoidium gracile

 *Phacus brevicaudatus

 Phacus curvicauda

 Phacus elegans

 Phacus helicoides

 Phacus horridus

 *Phacus lefebrei

 Phacus longicauda

 Phacus longicauda var. insecta

 Phacus longicauda var.major f.insecta

 Phacus orbicularis

 Phacus raciborskii

 Phacus ranula

 Phacus sp.

 Phacus suesicus

 Phacus undulatus

 Trachellomonas abrupta

 Trachellomonas acanthostoma

 Trachellomonas allia

 Trachellomonas armata

 Trachellomonas armata var. longispina

 Trachellomonas armata var.steinii

 Trachellomonas cylindricum

 Trachellomonas hispida

 Trachellomonas intermedia

 Trachellomonas oblonga

 Trachellomonas oblonga var.attenuata

 Trachellomonas oblonga var.punctata

 Trachellomonasplanktonica var.oblonga

 Trachellomonas robusta

 Trachellomonas suferva

 Trachellomonas volvocina

Division Chrysophyta Class Chrysophyceae

 Chrysopyxis bipes

 Dinobryon bavaricum

 Dinobryon cylindricum

 Dinobryon divergens

 Dinobryon sociale

 Dinobryon suesicum var.longispinum

 *Epipyxis ramosa

 Epipyxis utriculus

 Lagynion scherffelii

 *Lagynion triangulare

Class Synurophyceae

 Chrysosphaerella coronacircumspina

 Chrysosphaerella longispina

 Chrysosphaerella sp.

 Mallomonas acaroides

 Mallomonas adamas

 Mallomonas areolate

 Mallomonas caudata

 Mallomonas clavus

 Mallomonas crassisquama

 Mallomonas cristata

 Mallomonas harisiae

 Mallomonas heterospina

 Mallomonas insignis

 Mallomonas lelymene

 Mallomonas mangofera var.foveata

 Mallomonas matvienkoae

 Mallomonas multisetigera

 Mallomonas oviformis

 Mallomonas paxillata

 Mallomonas punctifera

 Mallomonas racilis

 Mallomonas sp.

 Mallomonas splendens

 Mallomonas striata

 Mallomonas tonsurata

 Paraphysomonas imperforata

 Paraphysomonas vestita

 Spiniferomonas trioralis

 Synura curtispina

 Synura petersenii

 Synura sphagnicola.

 Synura uvella.

 Synuropsis uvella.

Class Rhapidohyceae

 Gonyostomum depressum

 Gonyostomum semen

Class Xanthophyceae

 Centritractus belenophorus

 Ducellieria chodatii

 Goniochloris contorta

 Goniochloris smitii

 Ophiocytium capitatum

 Ophiocytium majus

 Ophiocytium parvum

 *Tetraedriella polychloris

Division Chryptohyta Class Chryptohyceae

 Cryptomonas ovata

 Cryptomonas sp.

Division Dinophyta Class Dinophyceae

 Cystodinium steinii

 Dinococcus bicornus

 Gymnodinium sp. 1

 Gymnodinium sp. 2

 Peridinium bipes

 Peridinium cunningtonii

 Peridinium sp. 1

 Peridinium sp. 2