Genera -- click on genus to see its key page keys
            Return to Phycokey         Freshwater Australian List Our Current List
GENERA 1 - 100   GENERA 101 - 200   GENERA 201 - 300   GENERA 301 - 400   GENERA 401 - 500   GENERA 501 - 600   GENERA 601 - 700   GENERA 701 - 800   GENERA 801 - 837 Return to PhycoIey AU AUSTRALIA PH PHYCOKEY Emily Lewis     PHYCOKEY CHECK
ACANTHOCERAS BRYOPSIS CODIUM ELAKATOTHRIX HETEROCHROMONAS†† MURIELLA (Syn.) PLEUROTAENIOPSIS (Syn.)   SCYTONEMA TRIBONEMA x Acanthoceras x ACANTHOCERAS Acanthosphaera   ACANTHOCERAS
ACANTHOPHORA BULBOCHAETE CODOSIGA ELLERBECKIA HETEROCOCCUS††   MYCOIDEA (Syn.) PLEUROTAENIUM   SCYTOSIPHON TRICERATIUM Algae (PS protists,cyano-)   837     x ACANTHOPHORA   ACANTHOPHORA
ACETABULARIA BUMILLERIA COELASTRUM EMILIANIA HETEROGLOEA††   NACCARIA PLOCAMIUM (Syn.)   SELENASTRUM TRICHODESMIUM Non-PS protists 31     x ACETABULARIA   ACETABULARIA
ACHNANTHES BUMILLERIOPSIS COELOSPHAERIUM ENALLAX (syn.) HETEROLEIBLEINIA (Syn.)†† NANNOCHLORIS PLUMARIA   SELLAPHORA (Syn.) TRICHOPHILUS Bacteria (miscellaneous) 5 x Achnanthes x ACHNANTHES Achnanthes   ACHNANTHES
ACHNANTHIDIUM CALCIDISCUS COENOCHLORIS (Syn.) ENCYONEMA HETERONEMA†† NANNOCHLOROPSIS PODOCYSTIS   SIMONSENIA (Syn.) TRIGONUM Aquatic macrophytes 39 x Achnanthidium x ACHNANTHIDIUM     ACHNANTHIDIUM
ACINETOSPORA CALLITHAMNION COENOCYSTIS ENTEROMORPHA HETEROTHRICHOPSIS†† NAVICULA PODOSIRA   SIROGONIUM TRIPLASTRUM Other 'anomolies'   50     x†† ACINETOSPORA††     ACINETOSPORA††
ACROCHAETIUM CALLOPHYLLIS COLACIUM ENTOMONEIS (syn.) HETEROTHRIX (Syn.)†† NEIDIUM POLYEDRIELLA (Syn.)   SKELETONEMA TRIPLASTRUM TOTAL   962     x†† ACTINOSPHAERIUM     ACTINOSPHAERIUM
ACROSIPHONIA CALOGLOSSA COLEOCHAETE ENTOPHYSALIS HEXAMITA††   NEMACYSTUS POLYEDRIOPSIS SNOWELLA TRIPLOCERAS x Acrochaetium x ACROCHAETIUM     ACROCHAETIUM
ACTINASTRUM CALONEIS COLEODESMIUM ENTRANSIA (syn.) HILDENBRANDIA††   NEMATODINIUM POLYIDES SORASTRUM TROCHISCIA (Syn.)     x ACROSIPHONIA     ACROSIPHONIA
ACTINELLA CALOTHRIX COMPSOPOGON EPIPYXIS HINCKSIA   NEOCHLORIS (Syn.) POLYKRIKOS SPATOGLOSSUM TUOMEYA x Actinastrum x ACTINASTRUM Actinastrum   ACTINASTRUM
ACTINOCHLORIS CAMPTYLONEMOPSIS COMPSOTHAMNION EPITHEMIA HOMOEOTHRIX†† NEOMERIS POLYSIPHONIA   SPHACELARIA TURBINARIA†† Videos:     x Actinella x ACTINELLA     ACTINELLA
ACTINOCYCLUS CAMPYLODISCUS CONFERVA (Syn.)   EREMOSPHAERA HORMIDIUM (Syn.)†† NEOSPONGIOCHLORIS (Syn.) POLYTOMA   SPHAERELLA TYCHONEMA Electric Navicula (Jim Haney)   x Actinochloris x ACTINOCHLORIS     ACTINOCHLORIS
ACTINOPTYCHUS CAMPYLONEIS CORALLINA ERYTHROPSIDINIUM HORMOCOCCUS (Syn.)†† NEOSPONGIOCOCCUM (Syn.) POLYTOMELLA   SPHAERELLOPSIS (Syn.) UDOTEA Dancing Paramecium (Francoise Morison)   x Actinocyclus x ACTINOCYCLUS Actinocyclus   ACTINOCYCLUS
ACTINOSPHAERIUM CAPSOSIRA CORETHRON EUASTROPSIS HORMOTILA†† NEPHROCYTIUM PORPHYRA   SPHAEROCYSTIS ULOTHRIX Steam-rolling Eudorina (A.L. Baker)   x Actinoptychus x ACTINOPTYCHUS     ACTINOPTYCHUS
ACTINOTAENIUM   CARTERIA CORONOSPHAERA EUASTRUM HYALODISCUS†† NEPHROSELMIS PORPHYRIDIUM   SPHAERODINIUM (Syn.) ULVA Charles River Bloom (Roger Frymire)   x Actinotaenium x ACTINOTAENIUM Actinotaenium   ACTINOTAENIUM
AEGAGROPILA CATENOCHRYSIS (Syn.) COSCINODISCUS EUCAMPIA HYALOSYNEDRA (Syn.)†† NEREOCYSTIS PORPHYROSIPHON   SPHAEROECA ULVARIA A Lazy Stentor (Francoise Morison)       x AEGAGROPILA Aegagropila   AEGAGROPILA
AGARDHIELLA CAULERPA COSMARIUM EUCAPSIS HYALOTHECA††   NETRIUM PORTERINEMA   SPHAEROPLEA URCEOLUS Microcoleus from Alaska         x AGARDHIELLA       AGARDHIELLA
AGARUM CAVINULA COSMIONEIS EUCHEUMA HYDRIANUM (Syn.)††   NITELLA POTERIODENDRON (Syn.)   SPHAEROZOSMA UROGLENA     x AGARUM     AGARUM
AGLAOTHAMNION CELLONIELLA COSMOCLADIUM EUDORINA HYDROCLATHRUS   NITELLOPSIS (Syn.) POTERIOOCHROMONAS   SPHAEROZYGA UROGLENOPSIS     x AGLAOTHAMNION     AGLAOTHAMNION
AGMENELLUM (Syn.) CENTRITRACTUS CRATICULA EUGLENA HYDROCOLEUM††   NITOPHYLLUM†† PRASIOLA   SPHENOMONAS URONEMA x Agmenellum x AGMENELLUM (syn)     AGMENELLUM (Syn.)
AHNFELTIA CENTROCERAS CRINALIUM EUGLENAMORPHA HYDRODICTYON†† NITZSCHIA PRASIOLOPSIS (Syn.)   SPINIFEROMONAS UROSOLENIA (Syn.)     x AHNFELTIA     AHNFELTIA
AKASHIWO†† CENTRONELLA CROUANIA EUGLENOPSIS (Syn.) HYDROSERA††   NOCTILUCA PRINTZINA (Syn)   SPINOCLOSTERIUM UROSPORA AKASHIWO††     AKASHIWO††     AKASHIWO††
ALARIA CEPHALEUROS CRUCIGENIA EUNOTIA HYDRURUS††   NODULARIA PROCHLORON   SPINOCOSMARIUM VACUOLARIA††     x ALEXANDRIUM     ALEXANDRIUM
ALEXANDRIUM CERAMIUM CRUCIGENIELLA (Syn.) EUNOTOGRAMMA HYMENOMONAS††   NORRISIELLA†† PROROCENTRUM   SPONGONEMA VAUCHERIA     x AMBLYOPHIS     AMBLYOPHIS (Syn.)
AMBLYOPHIS (Syn.) CERATIUM CRUORIA EUSTIGMATOS HYPOGLOSSUM   NOSTOC PROTOCOCCUS (Syn.)   SPIROGYRA VISCHERIA x Amblyophis x AMBLYOPHIS     AMBLYOPHIS (Syn.)
AMORPHOCHLORA CERATONEIS CRYPTOCHLORA EUTETRAMORUS (Syn.) ISOCHRYSIS   NOSTOCHOPSIS (Syn.) PROTODERMA   SPIROTAENIA VITREOCHLAMYS     x AMORPHOCHLORA     AMORPHOCHLORA
AMPHICAMPA (Syn.) CHAETOCEROS CRYPTOGLENA (Syn.) EUTREPTIA ISTHMIA NOTHOCLADUS (Syn.) PROTOMONOSTROMA   SPIRULINA (Syn.) VOLVOX x Amphicampa x AMPHICAMPA (syn.)     AMPHICAMPA (Syn.)
AMPHIDINIOPSIS CHAETOMORPHA CRYPTOMONAS EUTREPTIELLA ISTHMOCHLORON   OCHROMONAS PROTOPERIDINIUM   SPONDYLOMORUM VOLVULINA Aquatic objects     x AMPHIDINIOPSIS     AMPHIDINIOPSIS
AMPHIDINIUM CHAETONEMA CTENOPHORA FALKENBERGIA (Syn.) JANIA   ODONTELLA PROTOSIPHON   SPONDYLOSIUM WESTELLA PS Classes:   % Others ("Anomolies"): x Amphidium (SIC) x AMPHIDINIUM Amphidinium   AMPHIDINIUM
AMPHIPLEURA CHAETOPELTIS CYANIDIUM FELDMANNIA (Syn.) KARENIA†† OEDOCLADIUM PROTOTHECA   SPONGIOCHLORIS (Syn.) WITTROCKIELLA Chlorophyceae 189 33.4 Amoebae x Amphipleura x AMPHIPLEURA Amphipleura   AMPHIPLEURA
AMPHIPRORA CHAETOPHORA CYANOBIUM FALLACIA (Syn.) KATODINIUM   OEDOGONIUM PRYMNESIUM   SPONGOMONAS WOLLEA Rhodophyceae 76 13.4 Animal parts x Amphiprora x AMPHIPRORA Amphiprora   AMPHIPRORA
AMPHIROA CHAETOSPHAERIDIUM CYANOPHORA FIBROCAPSA KEPHYRION†† ONYCHONEMA PSEUDANABAENA   SPONGOMORPHA WORONICHINIA Cyanobacteria 67 11.8 Aquatic macrophytes     x AMPHIROA     AMPHIROA
AMPHORA CHAMAESIPHON CYANOTHECE FISCHERA (Syn.) KERATOCOCCUS††   OOCYSTIS PSEUDOCOCCOMYXA   SPONGONEMA (Syn.) WRANGELIA Bacillariophyceae 53 9.4 Bacteria (miscellaneous) x Amphora x AMPHORA Amphora   AMPHORA
AMSCOTTIA CHANTRANSIA (Syn.) CYCLONEXIS FISCHERELLA KIRCHNERIELLA††   OONEPHRIS PSEUDODICTYOSPHAERIUM (Syn.) SPUMELLA XANTHIDIUM Charophyceae 45 8.0 Choanoflagellates x Amscottia x AMSCOTTIA     AMSCOTTIA
ANABAENA CHARA CYCLOTELLA FRAGILARIA KLEBSORMIDIUM††   OOPHILA†† PSEUDOEUNOTIA (Syn.)   SPYRIDIA XANTHONEMA Fucophyceae 32 5.7 Chordates x Anabaena x ANABAENA Anabaena   ANABAENA
ANABAENOPSIS CHARACIOCHLORIS CYLINDROCAPSA FRANCEIA KOLIELLA††   OPEPHORA PSEUDOKEPHYRION (Syn.) STAURASTRUM ZOOCHLORELLA Tribophyceae 23 4.1 Ciliates x Anabaenopsis x ANABAENOPSIS Anabaenopsis   ANABAENOPSIS
ANACYSTIS (Syn.) CHARACIOPSIS CYLINDROCYSTIS FRITSCHIELLA KOMAREKIA††   OPHIOCYTIUM PSEUDOMURIELLA   STAURODESMUS ZYGNEMA Dinophyceae 22 3.9 Crystals x Anacystis x ANACYSTIS (syn.)     ANACYSTIS (Syn.)
ANADYOMENE CHARACIUM CYLINDROSPERMOPSIS FRUSTULIA KOMMA (Syn.)   ORTHOSEIRA PSEUDONITZSCHIA   STAURONEIS ZYGNEMOPSIS (Syn.) Chrysophyceae 19 3.4 Detritus     x ANCDYOMENE     ANADYOMENE
ANISONEMA CHATTONELLA CYLINDROSPERMUM FUCUS KUETZINGIELLA (Syn.)†† OSCILLATORIA PSEUDOPEDINELLA   STAUROPTERA (Syn.) ZYGOGONIUM (Syn.) Euglenophyceae 19 3.4 Flagellates (colorless) x Anisonema x ANISONEMA Anisonema   ANISONEMA
ANKISTRODESMUS CHILOMONAS CYLINDROTHECA FUSOLA (Syn.) KYBOTION†† OSUMNDEA PSEUDOPHORMIDIUM (Syn.)   STENOCALYX (Syn.) Haptophyceae 12 2.1 Fungi x Ankistrodesmus x ANKISTRODESMUS Ankistrodesmus   ANKISTRODESMUS
ANKYRA CHLAINOMONAS CYMATOPLEURA GAYRALIA (Syn.) LAGERHEIMIA†† OSTREOCOCCUS PSEUDOPLEUROCOCCUS (Syn.)   STENOPTEROBIA Synurophyceae 7 1.2 Micro-art x Ankyra x ANKYRA Ankyra   ANKYRA
ANOMOEONEIS CHLAMYDOCAPSA CYMBELLA GEITLERINEMA†† LAGYNION†† OUROCOCCUS PSEUDOSPHAEROCYSTIS (Syn.)   STEPHANODISCUS Cryptophyceae 6 1.1 Plant parts x Anomoeoneis x ANOMOEONEIS Anomoeoneis   ANOMOEONEIS
ANOTRICHIUM CHLAMYDOMONAS CYMOPOLIA GELIDIUM LAMINARIA†† OXYRRHIS PSEUDOSTAURASTRUM (Eustigm.)   STEPHANOPYXIS Eustigmatophyceae 5 0.9 Protist debris     x ANOTRICHIUM     ANOTRICHIUM
ANTHOPHYSA CHLATHROCYSTIS (Syn.) CYSTOSEIRA GEMINELLA LAMPROTHAMNION†† PADINA PSEUDOSTAURASTRUM (Syn., Tribo)   STEPHANOSPHAERA Raphidophyceae 5 0.9 14 groups of anomolies     x ANTHOPHYSA     ANTHOPHYSA
ANTITHAMNION CHLORACHNION CYSTOCLONIUM GENICULARIA LAUDERIA PALMARIA PSEUDOSTRIATELLA   STICHOCOCCUS Glaucophyceae 3 0.5 x Anthophysa x ANTITHAMNION     ANTITHAMNION
APHANIZOMENON CHLORANGIELLA CYSTODINIUM GLAUCOCYSTIS LAURENCIA†† PALMELLA PSEUDOTETRACYSTIS (Syn.)   STICHOGLOEA Cyanidiales 1 0.2 x Aphanizomenon x APHANIZOMENON Aphanizomenon   APHANIZOMENON
APHANOCAPSA CHLORELLA DACTYLOCOCCOPSIS GLENODINIUM LEIBLEINIA (Syn.)†† PALMELLOPSIS PSEUDOTETRAEDRON (Syn.)   STICHOSIPHON Dictyophyceae 1 0.2 x Aphanocapsa x APHANOCAPSA Aphanocapsa   APHANOCAPSA
APHANOCHAETE CHLORELLIDIUM DACTYLOTHECE GLOBIGERINA†† LEMANEA†† PALMODACTYLON (Syn.) PSEUDOTREBOUXIA (Syn.)   STIGEOCLONIUM SUM 18 585 103.4 x Aphanochaete x APHANOCHAETE Aphanochaete   APHANOCHAETE
APHANOTHECE CHLORHORMIDIUM (Syn.) DASYA GLOEOACTINIUM†† LEMMERMANNIA (Syn.)†† PALMODICTYON PSEUDOULOTHRIX (Syn.)   STIGONEMA Synonymous genus names 130 x Aphanothece x APHANOTHECE Aphanothece   APHANOTHECE
APIOCYSTIS CHLORIDELLA DEBARYA (Syn.) GLOEOBOTRYS†† LEMMERMANNIELLA†† PALMOGLOEA PSILOSIPHON   STILOPHORA 18 classes x Apiocystis x APIOCYSTIS Apiocystis   APIOCYSTIS
APODOCHLORIS CHLOROBOTRYS DENDROMONAS GLOEOCAPSA LEPOCINCLIS†† PANDORINA PTEROMONAS   STIPITOCOCCUS
x Apodochloris x APODOCHLORIS     APODOCHLORIS
ARACHNODISCUS CHLOROCHYTRIUM DENTICULA GLOEOCHAETE LEPTOCYLINDRUS†† PARALLELA PTEROSPERMA   STREPTOTHECA     x ARACHNODISCUS     ARACHNODISCUS
ARTHRODESMUS (Syn.) CHLOROCLOSTER DERBESIA GLOEOCOCCUS†† LEPTOLYNGBYA (Syn.)†† PARAPHYSOMONAS PTILOTA   STRIATELLA x Arthrodesmus x ARTHRODESMUS     ARTHRODESMUS
ARTHROSPIRA (Syn.) CHLOROCOCCUM DEREPYXIS GLOEOCYSTIS†† LEPTOSIRA PARTENSKYELLA PTILOTHAMNION   STROMBOMONAS (Syn.) x Arthrospira x ARTHROSPIRA Arthrospira   ARTHROSPIRA
ASCOPHYLLUM CHLORODESMUS (Syn.) DERMATOLITHON (Syn.) GLOEODENDRON†† LEPTOTHRIX (Syn.) PAULSCHULZIA (Syn.) PULVINULARIA   STYLODINIUM     x ASCOPHYLLUM     ASCOPHYLLUM
ASPARAGOPSIS CHLOROGLOEA DERMOCARPA GLOEODINIUM LICMOPHORA PAVLOVA PYRAMIMONAS STYLONEMA     x ASPEROCOCCUS     ASPEROCOCCUS
ASPEROCOCCUS CHLOROGONIUM DESMARESTIA GLOEOMONAS LIMNORAPHIS (Syn.) PEDIASTRUM   PYROBOTRYS   STYLOSPHAERIDIUM     x ASPARAGOPSIS     ASPARAGOPSIS
ASTASIA CHLOROLOBION DESMIDIUM GLOEOTHECE LIMNOTHRIX PEDINELLA   PYROCYSTIS STYPOPODIUM x Astasia x ASTASIA Astasia   ASTASIA
ASTERIONELLA CHLOROMONAS DESMOCOCCUS GLOEOTILA LITHOPHYLLUM PENIUM   PYROPHACUS SURIRELLA x Asterionella x ASTERIONELLA Asterionella   ASTERIONELLA
ASTEROCOCCUS CHLOROSARCINA DESMOGONIUM (Syn.) GLOEOTRICHIA LITHOTHAMNION PERANEMA   QUADRIGULA SYMPHYONEMA x Asterococcus x ASTEROCOCCUS Asterococcus   ASTEROCOCCUS
ASTEROCYSTIS (Syn.) CHLOROSARCINOPSIS DETONULA GLOIOSIPHONIA†† LOBOMONAS PERIDINIOPSIS (Syn.)   RADIOCOCCUS SYMPLOCA     x ASTEROCYSTIS     ASTEROCYSTIS (Syn.)
ASTEROLAMPRA CHLOROTHECIUM DIACANTHOS (Syn.) GLYPHODISCUS†† LOBOPHORA†† PERIDINIUM   RADIOFILUM SYNCRYPTA     x ASTEROLAMPRA     ASTEROLAMPRA
ATRACTOMORPHA CHLOSTERIOPSIS DIADESMIS GOLENKINIA†† LOEFGRENIA (Syn.) PERONIA   RAPHIDOCELIS (Syn.) SYNECHOCOCCUS x Atractomorpha x ATRACTOMORPHA     ATRACTOMORPHA
ATTHEYA CHODATELLA (syn.) DIATOMA GOLENKINIOPSIS (Syn.)†† LOTHARELLA PERONIELLA   RAPHIDONEMA SYNECHOCYSTIS x Attheya x ATTHEYA Attheya   ATTHEYA
AUDOUINELLA CHONDRUS DIATOMELLA GOMONTIA†† LYCHNOTHAMNUS (Syn.) PETALOMONAS   REINSCHIELLA (Syn.) SYNEDRA x Audouinella x AUDOUINELLA Audouinella   AUDOUINELLA
AULACODISCUS CHONDRIA DICELLULA GOMPHOCYMBELLA†† LYNGBYA PETALONEMA   RHABDODERMA SYNURA     x AULACODISCUS     AULACODISCUS
AULACOSEIRA (syn.) CHROMOPHYSOMONAS (Syn.) DICHOTHRIX GOMPHONEIS†† LYRELLA (Syn.) PETALONIA   RHABDOGLOEA (Syn.) TABELLARIA x Aulacoseira x AULACOSEIRA (syn.)     AULACOSEIRA (syn.)
AULISCUS CHROMULINA DICHOTOMOCOCCUS GOMPHONEMA†† M. FOLIACEA PETROCELIS   RHABDOMONAS TEILINGIA x Auliscus x AULISCUS     AULISCUS
AULOSIRA CHROOCOCCUS DICHOTOMOSIPHON GOMPHOSPHAERIA†† MACROCYSTIS†† PHACOTUS   RHABDONEMA TERPINSOň x Aulosira x AULOSIRA Aulosira   AULOSIRA
BACILLARIA CHROODACTYLON DICRANOCHAETE GONATOZYGON†† MALLOMONAS PHACUS   RHABDOSPHAERA TESSELLARIA x Bacillaria x BACILLARIA Bacillaria   BACILLARIA
BALBIANIA CHROOLEPUS (syn.) DICTYOCHA†† GONGROSIRA†† MALLOMONOPSIS (Syn.) PHAEOCYSTIS   RHAPHIDIOPSIS TETMEMORUS x Balbiania x BALBIANIA     BALBIANIA
BALLIELLA CHROOMONAS DICTYOPTERIS†† GONIOCHLORIS†† MASSARTIA (Syn.) PHAEOPLACA   RHAPHIDONEMA TETRACYCLUS     x BALLIELLA     BALLIELLA
BAMBUSINA CHRYSAMOEBA DICTYOTA†† GONIOMONAS†† MASTIGOCLADUS PHAEOSPHAERA   REINSCHIELLA (Syn.) TETRACYSTIS x Bambusina x BAMBUSINA Bambusina   BAMBUSINA
BANGIA CHRYSIDIASTRUM DICTYOCHLOROPSIS GONIUM†† MASTOCARPUS PHAEOTHAMNION   RHAPHONEIS TETRADESMUS     x BANGIA Bangia   BANGIA
BATOPHORA CHRYSOCAPSA DICTYOCOCCUS (syn.) GONYAULAX MASTOGLOIA PHALACROMA (Syn.)   RHIPIDODENDRON TETRADINIUM x Basicladia x BASICLADIA     BASICLADIA
BASICLADIA CHRYSOCHROMULINA DICTYOSPHAERIUM GONYOSTOMUM†† MELOSIRA PHALANSTERIUM   RHIZOCHRYSIS TETRAEDRIELLA     x BATOPHORA     BATOPHORA
BATRACHOSPERMUM CHRYSOCOCCUS DIDYMOCYSTIS GRACILARIA††   MEMBRANOPTERA PHORMIDIUM   RHIZOCLONIUM TETRAEDRON x Batrachospermum x BATRACHOSPERMUM Batrachospermum   BATRACHOSPERMUM
BERKELEYA CHRYSOCYSTIS DIDYMOSPHENIA GRAMMATOPHORA††   MENOIDIUM PHYCODRYS   RHIZOSOLENIA TETRALLANTOS x Berkeleya x BERKELEYA     BERKELEYA
BERNARDIA (Syn.) CHRYSODIDYMUS DIMORPHOCOCCUS GRINNELLIA†† MERIDION PHYCOPELTIS (Soil)   RHODOCHORTON TETRAPEDIA (Syn.) x Bernardia x BERNARDIA (syn.)     BERNARDIA (syn.)
BIDDULPHIA CHRYSONEPHELE DINOBRYON GRIFFITHSIA†† MERINGOSPHAERA PHYLLACTIDIUM (Syn.)   RHODOGORGON TETRAPLEKTON Syn.) x Bicoeca x BIKOSOECA     BIKOSOECA
BIGELOWIELLA CHRYSONEPHOS DINOCOCCUS GROENBLADIA†† MERISMOPEDIA PHYLLOPHORA   RHODOMELA TETRASELMIS     x BIDDULPHIA Biddulphia   BIDDULPHIA
BIKOSOECA CHRYSOPYXIS DINOPHYSIS GYMNOCHLORA††   MEROTRICHIA†† PHYMATODOCIS   RHODOMONAS TETRASPORA   x BIGELOWIELLA     BIGELOWIELLA
BINUCLEARIA CHRYSOSACCUS DINOSPHAERA (syn.) GYMNODINIUM   MESOCARPUS (Syn.) PINNULARIA   RHOICOSPHENIA TETRASPORIDIUM x Binuclearia x BINUCLEARIA     BINUCLEARIA
BIREMIS CHRYSOSPHAERA DIPLOCHLORIS GYMNOZYGA (Syn.)††   MESOSTIGMA PITHOPHORA   RHOPALODIA TETRASPOROPSIS x Biremis x BIREMIS     BIREMIS
BITRICHIA CHRYSOSPHAERELLA DIPLOCYSTIS GYRO-/PLEURO-SIGMA††   MESOTAENIUM PLAGIOGRAMMA   RIVULARIA TETRASTRUM     x BITRICHIA Bitrichia   BITRICHIA
BLENNOTHRIX (Syn.) CHRYSOSTEPHANOSPHAERA DIPLONEIS GYRODINIUM (Syn.)†† MICRACTINIUM PLAGIOTROPIS   ROMERIA THALASSIONEMA x Blennothrix x BLENNOTHRIX     BLENNOTHRIX (Syn.)
BLIDINGIA (Syn.) CHRYSOTILA DIPLOSPHAERA GYROPAIGNE†† MICRALOA (Syn.) PLANCTONEMA   ROSENVINGEA†† THALASSIOSIRA x Blidingia x BLIDINGIA (syn.)     BLIDINGIA (syn.)
BODANELLA CHTHONOBLASTUS (Syn.) DIPLOSTAURON HAEMATOCOCCUS†† MICRASTERIAS PLANKTOLYNGBYA (Syn.)   ROYA THALLOCHRYSIS     x BODANELLA     BODANELLA
BODO CLADOPHORA DISPHINCTIUM (SYN.) HALIMEDA†† MICROCHAETE PLANKTOSPHAERIA SACCHARINA THAMNIOCHAETE (Syn.) x Bodo x BODO     BODO
BONNEMAISONIA CLADOPHORELLA (Syn.) DISPORA (Syn.) HANTZSCHIA†† MICROCOLEUS PLANKTOTHRIX (Syn.)   SARGASSUM THECADINIOPSIS     x BONNEMAISONIA     BONNEMAISONIA
BORODINELLOPSIS CLADOSIPHON DISTIGMA HANUSIA†† MICROCYSTIS PLANOPHILA (Soil)   SCENEDESMUS THOREA x Borodinellopsis x BORODINELLOPSIS     BORODINELLOPSIS
BORZIA CLONIOPHORA DITYLUM HAPALOSIPHON†† MICROCYSTIS culture PLATYDORINA   SCHERFFELIA (Syn.) TITANODERMA x Borzia x BORZIA     BORZIA
BOSTRYCHIA CLOSTERIOPSIS DOCIDIUM HAPLOTAENIUM (Syn.)†† MICRODICTYON PLECTONEMA   SCHIZOCHLAMYS TOLYPELLA x Bostrychia x BOSTRYCHIA     BOSTRYCHIA
BOTRYDIOPSIS CLOSTERIUM DRAPARNALDIA HEGNERIA MICROMONAS PLEODORINA   SCHIZOGONIUM (Syn.) TOLYPOTHRIX x Botrydiopsis x BOTRYDIOPSIS Botrydiopsis   BOTRYDIOPSIS
BOTRYDIUM COCCOBOTRYS DRAPARNALDIOPSIS HELICODICTYON†† MICROSPORA PLEURASTRUM (Syn.)   SCHIZOMERIS TRACHELOMONAS x Botrydium x BOTRYDIUM Botrydium   BOTRYDIUM
BOTRYOCOCCUS COCCOCHLORIS (Syn.) DUMONTIA HELICOSPHAERA†† MICROTHAMNION PLEURO-/GYRO-SIGMA††   SCHIZOTHRIX TRACHYNEIS (Syn.) x Botryococcus x BOTRYOCOCCUS Botryococcus   BOTRYOCOCCUS
BRACHYOMONAS   COCCOMONAS DUNALIELLA HELICOTHECA   MISCHOCOCCUS PLEUROCAPSA   SCINAIA TRACHYSPHENIA (Syn.)     x BRACHYOMONAS Brachiomonas   BRACHYOMONAS
BRACHYSIRA COCCOMYXA DYSMORPHOCOCCUS HELICOSPORIDIUM††   MONOSTROMA PLEUROCLADIA††   SCHROEDERIA TREBOUXIA x Brachysira x BRACHYSIRA     BRACHYSIRA
BRACTYOCOCCUS (Syn.)   COCCONEIS ECHINOSPHAERIDIUM HERPOSIPHONIA MOUGEOTIA PLEUROCOCCUS   SCOLIOPLEURA TRENTEPOHLIA x Bracteacoccus x BRACTYOCOCCUS (Syn.)     BRACTYOCOCCUS (Syn.)
BREBISSONIA COCCONEMA (Syn.) ECTOCARPUS HETERACTIS (Syn.)†† MOUGEOTIOPSIS PLEUROGASTER (Syn.)   SCOURFELDIA TREUBARIA     x BREBISSONIA Brebissonia   BREBISSONIA
100 100 100 100 100 100 100 100 42 842 Genera     x BRYOPSIS     BRYOPSIS
12 12 12 16 20 17 22 14 4 129 Synonyms x Bulbochaete x BULBOCHAETE Bulbochaete   BULBOCHAETE
x Bumilleria x BUMILLERIA Bumilleria   BUMILLERIA
Common Aquatic Vascular Plant Genera -- click on genus to see its key page         x BUMILLERIOPSIS Bumilleriopsis   BUMILLERIOPSIS
GENUS GENUS GENUS     x CALCIDISCUS     CALCIDISCUS
AZOLLA HYDRILLA RUPPIA     x CALLITHAMNION     CALLITHAMNION
BRASENIA ISOETES SAGITTARIA Return to PhycoKey     x CALLOPHYLLIS     CALLOPHYLLIS
CABOMBA JUNCUS SALVINIA x Caloglossa x CALOGLOSSA     CALOGLOSSA Return to PhycoKey
CALTHA LEMNA SCIRPUS x Caloneis x CALONEIS Caloneis   CALONEIS
CERATOPHYLLUM MYRIOPHYLLUM SERRACENIA x Calothrix x CALOTHRIX Calothrix   CALOTHRIX
EGERIA NAJAS SPIRODELA x Camptylonemopsis x CAMPTYLONEMOPSIS     CAMPTYLONEMOPSIS
EICHHORNIA NUPHAR SPARGANIUM x Campylodiscus x CAMPYLODISCUS Campylodiscus   CAMPYLODISCUS
ELEOCHARIS NYMPHAEA TRAPA x Campyloneis x CAMPYLONEIS     CAMPYLONEIS
ELODEA PELTANDRA TYPHA x Capsosira x CAPSOSIRA     CAPSOSIRA
EQUISETUM PISTIA UTRICULARIA x Carteria x CARTERIA Carteria   CARTERIA
ERIOCAULON PONTEDERIA VALLISNERIA x Catenochrysis x CATENOCHRYSIS (Syn.)     CATENOCHRYSIS (Syn.)
ERIOPHORUM POTAMOGETON WOLFFIA     x CAULERPA     CAULERPA
HIPPURIS RANUNCULUS ZIZANIA x Cavinula x CAVINULA     CAVINULA
x Centritractus x CENTRITRACTUS     CENTRITRACTUS
13 13 13 0 x CENTROCERAS     CENTROCERAS
x Centronella x CENTRONELLA Centronella   CENTRONELLA
x Cephaleuros x CEPHALEUROS     CEPHALEUROS
    x CERAMIUM     CERAMIUM
x Ceratium x CERATIUM Ceratium   CERATIUM
    x CERATONEIS     CERATONEIS
x Chaetoceros x CHAETOCEROS Chaetoceros   CHAETOCEROS
x Chaetomorpha x CHAETOMORPHA     CHAETOMORPHA
x Chaetonema x CHAETONEMA Chaetonema   CHAETONEMA
x Chaetopeltis x CHAETOPELTIS Chaetopeltis   CHAETOPELTIS
x Chaetophora x CHAETOPHORA Chaetophora   CHAETOPHORA
x Chaetosphaeridium x CHAETOSPHAERIDIUM Chaetosphaeridium   CHAETOSPHAERIDIUM
x Chamaesiphon x CHAMAESIPHON Chamaesiphon   CHAMAESIPHON
x Chantransia x CHANTRANSIA (Syn.)     CHANTRANSIA (Syn.)
x Chara x CHARA Chara   CHARA
    x CHARACIOCHLORIS Characiochloris   CHARACIOCHLORIS
x Characiopsis x CHARACIOPSIS Characiopsis   CHARACIOPSIS
x Characium x CHARACIUM Characium   CHARACIUM
    x CHATTONELLA     CHATTONELLA
x Chilomonas x CHILOMONAS     CHILOMONAS
    x CHLAINOMONAS     CHLAINOMONAS
x Chlamydocapsa x CHLAMYDOCAPSA     CHLAMYDOCAPSA
x Chlamydomonas x CHLAMYDOMONAS Chlamydomonas   CHLAMYDOMONAS
    x CHLATHROCYSTIS (Syn.)     CHLATHROCYSTIS (Syn.)
  x CHLORACHNION     CHLORACHNION
    x CHLORANGIELLA Chlorangiella   CHLORANGIELLA
x Chlorella x CHLORELLA Chlorella   CHLORELLA
x Chlorellidium x CHLORELLIDIUM     CHLORELLIDIUM
x Chlorhormidium x CHLORHORMIDIUM (Syn.)     CHLORHORMIDIUM (Syn.)
x Chloridella x CHLORIDELLA     CHLORIDELLA
    x CHLOROBOTRYS Chlorobotrys   CHLOROBOTRYS
    x CHLOROCHYTRIUM Chlorochytrium   CHLOROCHYTRIUM
x Chlorocloster x CHLOROCLOSTER     CHLOROCLOSTER
x Chlorococcum x CHLOROCOCCUM     CHLOROCOCCUM
x Chlorogonium x CHLORODESMOS (Syn.)     CHLORODESMOS (Syn.)
      CHLOROGLOEA (Syn.)     CHLOROGLOEA (Syn.)
    x CHLOROGONIUM Chlorogonium   CHLOROGONIUM
Return to PhycoKey x Chlorolobion x CHLOROLOBION     CHLOROLOBION
x Chloromonas x CHLOROMONAS     CHLOROMONAS
x Chlorosarcina x CHLOROSARCINA     CHLOROSARCINA
x Chlorosarcinopsis   CHLOROSARCINOPSIS     CHLOROSARCINOPSIS
    x CHLOROTHECIUM Chlorothecium   CHLOROTHECIUM
    x CHODATELLA (syn.) Chodatella   CHODATELLA (syn.)
      COMPSOPOGON   COMPSOPOGON
    x COMPSOTHAMNION       COMPSOTHAMNION
    x CHONDRIA   CHONDRIA
    x CHONDRUS     CHONDRUS
x Chromophysomonas x CHROMOPHYSOMONAS (Syn.) Chromulina   CHROMOPHYSOMONAS (Syn.)
x Chromulina x CHROMULINA     CHROMULINA
x Chroococcus x CHROOCOCCUS Chroococcus   CHROOCOCCUS
x Chroodactylon x CHROODACTYLON     CHROODACTYLON
x Chroolepus x CHROOLEPUS (syn.)     CHROOLEPUS (syn.)
x Chroomonas x CHROOMONAS Chroomonas   CHROOMONAS
    x CHRYSAMOEBA Chrysamoeba   CHRYSAMOEBA
x Chrysidiastrum x CHRYSIDIASTRUM Chrysidiastrum   CHRYSIDIASTRUM
    x CHRYSOCAPSA Chrysocapsa   CHRYSOCAPSA
    x CHRYSOCHROMULINA Chrysochromulina   CHRYSOCHROMULINA
x Chrysococcus x CHRYSOCOCCUS Chrysococcus   CHRYSOCOCCUS
    x CHRYSOCYSTIS     CHRYSOCYSTIS
x Chrysodidymus x CHRYSODIDYMUS Chrysodidymus   CHRYSODIDYMUS
x Chrysonephele x CHRYSONEPHELE   CHRYSONEPHELE
    x CHRYSONEPHOS   CHRYSONEPHOS
    x CHRYSOPYXIS Chrysopyxis   CHRYSOPYXIS
x Chrysosaccus x CHRYSOSACCUS     CHRYSOSACCUS
    x CHRYSOSPHAERA Chrysosphaera   CHRYSOSPHAERA
x Chrysosphaerella x CHRYSOSPHAERELLA Chrysosphaerella   CHRYSOSPHAERELLA
    x CHRYSOTILA     CHRYSOTILA
    x CHRYSOSTEPHANOSPHAERA Chrysostephanosphaera   CHRYSOSTEPHANOSPHAERA
x Chthonoblastus x CHTHONOBLASTUS (Syn.)     CHTHONOBLASTUS (Syn.)
x Cladophora x CLADOPHORA Cladophora   CLADOPHORA
x Cladophorella x CLADOPHORELLA (Syn.)     CLADOPHORELLA (Syn.)
    x CLADOSIPHON     CLADOSIPHON
x Clathrocystis x CHLATHROCYSTIS (Syn.)     CHLATHROCYSTIS (Syn.)
x Cloniophora x CLONIOPHORA Cloniophora   CLONIOPHORA
        Closteridium    
x Closteriopsis x CLOSTERIOPSIS Closteriopsis   CLOSTERIOPSIS
x Closterium x CLOSTERIUM Closterium   CLOSTERIUM
x Coccobotrys x COCCOBOTRYS     COCCOBOTRYS
x Coccochloris x COCCOCHLORIS     COCCOCHLORIS
    x COCCOMONAS Coccomonas   COCCOMONAS
x Coccomyxa x COCCOMYXA Coccomyxa   COCCOMYXA
x Cocconeis x COCCONEIS Cocconeis   COCCONEIS
x Cocconema x COCCONEMA (Syn.)     COCCONEMA (Syn.)
    x CODIUM     CODIUM
x Codosiga x CODOSIGA CODOSIGA
x Coelastrum x COELASTRUM Coelastrum   COELASTRUM
x Coelosphaerium x COELOSPHAERIUM Coelosphaerium   COELOSPHAERIUM
x Coenochloris x COENOCHLORIS (Syn.)     COENOCHLORIS (Syn.)
Return to PhycoKey x Coenocystis x COENOCYSTIS     COENOCYSTIS
x Colacium x COLACIUM Colacium   COLACIUM
x Coleochaete x COLEOCHAETE Coleochaete   COLEOCHAETE
x Coleodesmium x COLEODESMIUM     COLEODESMIUM
x Compsopogon x COMPSOPOGON Compsopogon   COMPSOPOGON
x Conferva x CONFERVA (Syn.)     CONFERVA (Syn.)
x Coprosira          
    x CORALLINA     CORALLINA
    x CORETHRON     CORETHRON
    x CORONOSPHAERA     CORONOSPHAERA
x Coscinodiscus x COSCINODISCUS     COSCINODISCUS
x Cosmarium x COSMARIUM Cosmarium   COSMARIUM
x Cosmioneis x COSMIONEIS     COSMIONEIS
x Cosmocladium x COSMOCLADIUM Cosmocladium   COSMOCLADIUM
x Craticula x CRATICULA (Syn.)     CRATICULA (Syn.)
  x CRINALIUM     CRINALIUM
  x CROUANIA     CROUANIA
    x CRUORIA     CRUORIA
x Crucigenia x CRUCIGENIA Crucigenia   CRUCIGENIA
x Crucigeniella x CRUCIGENIELLA (Syn.)     CRUCIGENIELLA (Syn.)
  x CRYPTOCHLORA     CRYPTOCHLORA
x Cryptoglena x CRYPTOGLENA (Syn.)     CRYPTOGLENA (Syn.)
x Cryptomonas x CRYPTOMONAS Cryptomonas   CRYPTOMONAS
x Ctenophora x CTENOPHORA     CTENOPHORA
x Cyanidium x CYANIDIUM Cyanidium   CYANIDIUM
    x CYANOBIUM     CYANOBIUM
    x CYANOPHORA Cyanophora   CYANOPHORA
x Cyanothece x CYANOTHECE     CYANOTHECE
    x CYCLONEXIS Cyclonexis   CYCLONEXIS
x Cyclotella x CYCLOTELLA Cyclotella   CYCLOTELLA
x Cylindrocapsa x CYLINDROCAPSA     CYLINDROCAPSA
x Cylindrocystis x CYLINDROCYSTIS Cylindrocystis   CYLINDROCYSTIS
x Cylindrospermopsis x CYLINDROSPERMOPSIS Cylindrospermopsis   CYLINDROSPERMOPSIS
x Cylindrospermum x CYLINDROSPERMUM Cylindrospermum   CYLINDROSPERMUM
x Cylindrotheca x CERATONEIS     CYLINDROTHECA
x Cymatopleura x CYMATOPLEURA Cymatopleura   CYMATOPLEURA
x Cymbella x CYMBELLA Cymbella   CYMBELLA
    x CYMOPOLIA     CYMOPOLIA
    x CYSTOSEIRA     CYSTOSEIRA
    x CYSTOCLONIUM     CYSTOCLONIUM
x Cystodinium x CYSTODINIUM Cystodinium   CYSTODINIUM
x Dactylococcopsis x DACTYLOCOCCOPSIS Dactylococcopsis   DACTYLOCOCCOPSIS
x Dactylothece x DACTYLOTHECE     DACTYLOTHECE
  x DASYA   DASYA
x Dasygloea            
x Debarya x DEBARYA (Syn.)     DEBARYA (Syn.)
x Dendromonas x DENDROMONAS     DENDROMONAS
x Denticula x DENTICULA Denticula   DENTICULA
    x DERBESIA     DERBESIA
    x DEREPYXIS Derepyxis   DEREPYXIS
    x DERMATOLITHON (Syn)     DERMATOLITHON (Syn)
    x DERMOCARPA Dermocarpa   DERMOCARPA
Return to PhycoKey     x DESMARESTIA Desmatractum   DESMARESTIA
x Desmidium x DESMIDIUM Desmidium   DESMIDIUM
x Desmococcus x DESMOCOCCUS     DESMOCOCCUS
x Desmogonium x DESMOGONIUM (Syn.)       DESMOGONIUM (Syn.)
x Desmonema???    
    x DETONULA     DETONULA
x Diacanthos x DIACANTHOS (Syn.)     DIACANTHOS (Syn.)
x Diadesmis x DIADESMIS       DIADESMIS
x Diatoma x DIATOMA Diatoma   DIATOMA
x Diatomella x DIATOMELLA Diatomella   DIATOMELLA
    x DICELLULA Dicellula   DICELLULA
x Dichothrix x DICHOTHRIX Dichothrix   DICHOTHRIX
    x DICHOTOMOCOCCUS Dichotomococcus   DICHOTOMOCOCCUS
x Dichotomosiphon x DICHOTOMOSIPHON     DICHOTOMOSIPHON
x Dicranochaete x DICRANOCHAETE     DICRANOCHAETE
    x DICTYOCHA     DICTYOCHA
x Dictyochloropsis x DICTYOCHLOROPSIS     DICTYOCHLOROPSIS
    x DICTYOCOCCUS (Syn.)     DICTYOCOCCUS (syn.)
    x†† DICTYOPTERIS††     DICTYOPTERIS††
    x†† DICTYOTA††     DICTYOTA††
x Dictyosphaerium x DICTYOSPHAERIUM Dictyosphaerium   DICTYOSPHAERIUM
x Didymocystis x DIDYMOCYSTIS     DIDYMOCYSTIS
x Didymosphenia x DIDYMOSPHENIA     DIDYMOSPHENIA
x Dimorphococcus x DIMORPHOCOCCUS Dimorphococcus   DIMORPHOCOCCUS
x Dinobryon x DINOBRYON Dinobryon   DINOBRYON
    x DINOCOCCUS Dinococcus   DINOCOCCUS
    x DINOPHYSIS     DINOPHYSIS
x Dinosphaera x DINOSPHAERA (syn.)     DINOSPHAERA (syn.)
x Diplochloris x DIPLOCHLORIS     DIPLOCHLORIS
    x DIPLOCYSTIS     DIPLOCYSTIS
x Diploneis x DIPLONEIS Diploneis   DIPLONEIS
x Diplosphaera x DIPLOSPHAERA     DIPLOSPHAERA
x Diplostauron x DIPLOSTAURON     DIPLOSTAURON
x Disphinctium x DISPHINCTIUM (SYN.)     DISPHINCTIUM (SYN.)
x Dispora x DISPORA (Syn.) Dispora   DISPORA (Syn.)
x Distigma x DISTIGMA Distigma   DISTIGMA
    x DITYLUM     DITYLUM
x Docidium x DOCIDIUM Docidium   DOCIDIUM
x Draparnaldia x DRAPARNALDIA Draparnaldia   DRAPARNALDIA
x Draparnaldiopsis x DRAPARNALDIOPSIS Draparnaldiopsis   DRAPARNALDIOPSIS
    x DUMONTIA     DUMONTIA
x Dunaliella x DUNALIELLA Dunaliella   DUNALIELLA
x Dysmorphococcus x DYSMORPHOCOCCUS Dysmorphococcus   DYSMORPHOCOCCUS
        Ecballocystis      
    x ECHINOSPHAERIDIUM     ECHINOSPHAERIDIUM
x Ectocarpus x ECTOCARPUS     ECTOCARPUS
x Elakatothrix x ELAKATOTHRIX Elakatothrix   ELAKATOTHRIX
x Ellerbeckia x ELLERBECKIA     ELLERBECKIA
x Ellipsoidon???    
    x EMILIANIA       EMILIANIA
    x ENALLAX (syn.) Enallax   ENALLAX (syn.)
x Encyonema x ENCYONEMA     ENCYONEMA
Return to PhycoKey x Enteromorpha x ENTEROMORPHA     ENTEROMORPHA
x Entomoneis x ENTOMONEIS (syn.)     ENTOMONEIS (syn.)
x Entophysalis x ENTOPHYSALIS       ENTOPHYSALIS
    x ENTRANSIA (syn.) Entransia     ENTRANSIA (syn.)
x Epipyxis x EPIPYXIS Epipyxis   EPIPYXIS
x Epithemia x EPITHEMIA Epithemia   EPITHEMIA
x Eremosphaera x EREMOSPHAERA Eremosphaera   EREMOSPHAERA
    x ERYTHROPSIDINIUM     ERYTHROPSIDINIUM
    x EUASTROPSIS Euastropsis   EUASTROPSIS
x Ettlia            
x Euastrum x EUASTRUM Euastrum   EUASTRUM
    x EUCAMPIA     EUCAMPIA
    x EUCAPSIS Eucapsis   EUCAPSIS
      EUCHEUMA     EUCHEUMA
x Eudorina x EUDORINA Eudorina   EUDORINA
x Euglena x EUGLENA Euglena   EUGLENA
    x EUGLENAMORPHA       EUGLENAMORPHA
    x EUGLENOPSIS (Syn.) Euglenopsis   EUGLENOPSIS (Syn.)
x Eunotia x EUNOTIA Eunotia   EUNOTIA
x Eunotogramma x EUNOTOGRAMMA     EUNOTOGRAMMA
x Eustigmatos x EUSTIGMATOS Eustigmatos   EUSTIGMATOS
    x EUTETRAMORUS (Syn.) Eutetramorus     EUTETRAMORUS (Syn.)
x Eutreptia x EUTREPTIA       EUTREPTIA
    x EUTREPTIELLA       EUTREPTIELLA
        Excentrosphaera      
x Exuviaella            
    x†† FALKENBERGIA (Syn.)††     FALKENBERGIA (Syn.)††
x Fallacia x FALLACIA (Syn.)     FALLACIA (Syn.)
    x†† FELDMANNIA (Syn.)††       FELDMANNIA (Syn.)††
    x FIBROCAPSA       FIBROCAPSA
    x FISCHERA (Syn.)       FISCHERA (Syn.)
x Fischerella x FISCHERELLA       FISCHERELLA
x Fragilaria x FRAGILARIA Fragilaria     FRAGILARIA
    x FRAGILARIOPSIS       FRAGILARIOPSIS
x Franceia x FRANCEIA Franceia     FRANCEIA
x Fritschiella x FRITSCHIELLA       FRITSCHIELLA
x Frustulia x FRUSTULIA Frustulia     FRUSTULIA
    x FUCUS       FUCUS
x Fusola x FUSOLA (Syn.)       FUSOLA (Syn.)
x Gayralia x GAYRALIA (Syn.)       GAYRALIA (Syn.)
    x GEITLERINEMA       GEITLERINEMA
    x GELIDIUM   GELIDIUM
x Geminella x GEMINELLA       GEMINELLA
x Genicularia x GENICULARIA Genicularia     GENICULARIA
x Glaucocystis x GLAUCOCYSTIS Glaucocystis     GLAUCOCYSTIS
x Glenodinium x GLENODINIUM Glenodinium     GLENODINIUM
    x GLOBIGERINA       GLOBIGERINA
x Gloeoactinum x GLOEOACTINIUM       GLOEOACTINIUM
    x GLOEOBOTRYS Gloeobotrys     GLOEOBOTRYS
x Gloeocapsa x GLOEOCAPSA Gloeocapsa     GLOEOCAPSA
x Gloeochaete x GLOEOCHAETE Gloeochaete     GLOEOCHAETE
x Gloeococcus x GLOEOCOCCUS       GLOEOCOCCUS
Return to PhycoKey x Gloeocystis x GLOEOCYSTIS Gloeocystis     GLOEOCYSTIS
    x GLOEODENDRON Gloeodendron     GLOEODENDRON
x Gloeodinium x GLOEODINIUM       GLOEODINIUM
    x GLOEOMONAS Gloeomonas     GLOEOMONAS
x Gloeothece x GLOEOTHECE Gloeothece     GLOEOTHECE
x Gloeotila x GLOEOTILA       GLOEOTILA
x Gloeotrichia x GLOEOTRICHIA Gloeotrichia     GLOEOTRICHIA
    x GLOIOSIPHONIA       GLOIOSIPHONIA
    x GLYPHODISCUS       GLYPHODISCUS
x Golenkinia x GOLENKINIA Golenkinia     GOLENKINIA
x Golenkiniopsis x GOLENKINIOPSIS (Syn.) Golenkiniopsis     GOLENKINIOPSIS (Syn.)
    x GOMONTIA Gomontia     GOMONTIA
x Gomphocymbella x GOMPHOCYMBELLA       GOMPHOCYMBELLA
x Gomphoneis x GOMPHONEIS Gomphoneis     GOMPHONEIS
x Gomphonema x GOMPHONEMA Gomphonema     GOMPHONEMA
x Gomphosphaeria x GOMPHOSPHAERIA Gomphosphaeria     GOMPHOSPHAERIA
x Gonatozygon x GONATOZYGON Gonatozygon     GONATOZYGON
x Gongrosira x GONGROSIRA Gongrosira     GONGROSIRA
x Goniochloris x GONIOCHLORIS Goniochloris     GONIOCHLORIS
    x GONIOMONAS Goniomonas     GONIOMONAS
x Gonium x GONIUM Gonium     GONIUM
    x GONYAULAX Gonyaulax     GONYOSTOMUM
x Gonyostomum x GONYOSTOMUM Gonyostomum     GONYAULAX
    x GRACILARIA     GRACILARIA
x Grammatophora x GRAMMATOPHORA     GRAMMATOPHORA
  x†† GRIFFITHSIA††   GRIFFITHSIA††
    x†† GRINNELLIA††   GRINNELLIA††
x Groenbladia x GROENBLADIA Groenbladia     GROENBLADIA
  x GYMNOCHLORA††   GYMNOCHLORA††
x Gymnodinium x GYMNODINIUM Gymnodinium     GYMNODINIUM
x Gymnozyga x GYMNOZYGA (Syn.)       GYMNOZYGA (Syn.)
    x GYRODINIUM (Syn.) Gyrodinium     GYRODINIUM (Syn.)
x Gyropaigne x GYROPAIGNE       GYROPAIGNE
x Gyrosigma x GYRO-/PLEURO-SIGMA Gyrosigma     GYRO-/PLEURO-SIGMA
x Haematococcus x HAEMATOCOCCUS Haematococcus     HAEMATOCOCCUS
    x†† HALIMEDA††       HALIMEDA††
x Hantzschia x HANTZSCHIA Hantzschia     HANTZSCHIA
    x HANUSIA       HANUSIA
x Hapalosiphon x HAPALOSIPHON Hapalosiphon     HAPALOSIPHON
    x†† HAPLOTAENIUM (Syn.)†† Haplotaenium††     HAPLOTAENIUM (Syn.)††
x Harpochytrium            
    x HEGNERIA       HEGNERIA
    x HELICODICTYON Helicodictyon     HELICODICTYON
    x HELICOSPHAERA       HELICOSPHAERA
    x HELICOSPORIDIUM       HELICOSPORIDIUM
    x HELICOTHECA   HELICOTHECA
x Hemidinium     Hemidinium      
    HERPOSIPHONIA   HERPOSIPHONIA
x Heteractis x HETERACTIS (Syn.)       HETERACTIS (Syn.)
    x HETEROCHROMONAS       HETEROCHROMONAS
x Heterococcus x HETEROCOCCUS Heterococcus     HETEROCOCCUS
x Heteroleibleinia x HETEROLEIBLEINIA (Syn.)       HETEROLEIBLEINIA (Syn.)
Return to PhycoKey     x HETEROGLOEA Heterogloea     HETEROGLOEA
x Heteronema x HETERONEMA Heteronema     HETERONEMA
x Heterothrichopsis x HETEROTHRICHOPSIS       HETEROLEIBLEINIA (Syn.)
    x HETEROTHRICHOPSIS       HETEROTHRICHOPSIS
x Heterothrix x HETEROTHRIX (Syn.)       HETEROTHRIX (Syn.)
x Hexamita x HEXAMITA HEXAMITA
x Hildenbrandia x HILDENBRANDIA Hildenbrandia     HILDENBRANDIA
    x HINCKSIA       HINCKSIA
x Homoeothrix x HOMOEOTHRIX       HOMOEOTHRIX
x Hormidium x HORMIDIUM       HORMIDIUM (Syn.)
    x HORMOCOCCUS (Syn.)       HORMOCOCCUS (Syn.)
x Hormotila x HORMOTILA       HORMOTILA
x Hyalodiscus x HYALODISCUS       HYALODISCUS
x Hyaloraphidium ???
x Hyalosynedra x HYALOSYNEDRA (Syn.)       HYALOSYNEDRA (Syn.)
x Hyalotheca x HYALOTHECA Hyalotheca     HYALOTHECA
x Hydrianum x HYDRIANUM (Syn.)       HYDRIANUM (Syn.)
    x HYDROCLATHRUS       HYDROCLATHRUS
x Hydrococcus            
    x HYDROCOLEUM Hydrocoleum     HYDROCOLEUM
x Hydrodictyon x HYDRODICTYON Hydrodictyon     HYDRODICTYON
x Hydrosera x HYDROSERA Hydrosera     HYDROSERA
    x HYDRURUS Hydrurus     HYDRURUS
x Hypnomonas            
    x HYPOGLOSSUM       HYPOGLOSSUM
x Ichthyocerus            
x Ichthyodontum            
    x ISOCHRYSIS       ISOCHRYSIS
    x ISTHMIA       ISTHMIA
x Isthmochloron x ISTHMOCHLORON       ISTHMOCHLORON
x Jaaginema            
    x JANIA       JANIA
  x KARENIA   KARENIA
x Katodinium x KATODINIUM Katodinium     KATODINIUM
    x KEPHYRION Kephyrion     KEPHYRION
    KERATOCOCCUS††   KERATOCOCCUS††
x Kirchneriella x KIRCHNERIELLA Kirchneriella     KIRCHNERIELLA
x Klebsormidium x KLEBSORMIDIUM Klebsormidium     KLEBSORMIDIUM
x Koliella x KOLIELLA       KOLIELLA
x Komarekia x KOMAREKIA       KOMAREKIA
    x KOMMA (Syn.)       KOMMA (Syn.)
x Korschikoviella            
      KUETZINGIELLA (Syn.)††       KUETZINGIELLA (Syn.)††
    x KYBOTION Kybotion     KYBOTION
    x LAGERHEIMIA       LAGERHEIMIA
x Lagynion x LAGYNION Lagynion     LAGYNION
x Lamprothamnium x LAMPROTHAMNION       LAMINARIA
    x LAMINARIA       LAMPROTHAMNION
    LAUDERIA   LAUDERIA
    x LAURENCIA       LAURENCIA
x Leibleinia x LEIBLEINIA (Syn.)       LEIBLEINIA (Syn.)
x Lemanea x LEMANEA Lemanea     LEMANEA
Return to PhycoKey     x LEMMERMANNIA (Syn.)       LEMMERMANNIA (Syn.)
x Lemmermanniella x LEMMERMANNIELLA       LEMMERMANNIELLA
x Lepocinclis x LEPOCINCLIS Lepocinclis     LEPOCINCLIS
    x LAURENCIA       LEPTOCYLINDRUS
x Leptolyngbya x LEPTOLYNGBYA (Syn.)       LEPTOLYNGBYA (Syn.)
x Leptosira x LEPTOSIRA       LEPTOSIRA
x Leptothrix x LEPTOTHRIX       LEPTOTHRIX
    x LEPTOCYLINDRUS       LEPTOCYLINDRUS
x Licmophora x LICMOPHORA       LICMOPHORA
    x LIMNORAPHIS (Syn.)   LIMNORAPHIS (Syn.)
x Limnothrix x LIMNOTHRIX     LIMNOTHRIX
    x LITHOPHYLLUM       LITHOPHYLLUM
    x LITHOTHAMNION       LITHOTHAMNION
x Lobococcus            
    x LOBOMONAS Lobomonas     LOBOMONAS
    x†† LOBOPHORA††        
x Loefgrenia x LOEFGRENIA (Syn.)       LOEFGRENIA (Syn.)
  x LOTHARELLA   LOTHARELLA
Lutherella
x Lychnothamnus x LYCHNOTHAMNUS (Syn.)       LYCHNOTHAMNUS (Syn.)
x Lyngbya x LYNGBYA Lyngbya     LYNGBYA
x Lyrella x LYRELLA (Syn.)       LYRELLA (Syn.)
    x MACROCYSTIS       MACROCYSTIS
x Mallomonas x MALLOMONAS Mallomonas     MALLOMONAS
x Mallomonopsis x MALLOMONOPSIS (Syn.)       MALLOMONOPSIS (Syn.)
x Massartia x MASSARTIA (Syn.)       MASSARTIA (Syn.)
x Mastigocladus x MASTIGOCLADUS       MASTIGOCLADUS
x Mastogloia x MASTOCARPUS Mastogloia     MASTOCARPUS
    x MASTOGLOIA       MASTOGLOIA
x Melosira x MELOSIRA Melosira     MELOSIRA
    x MEMBRANOPTERA       MEMBRANOPTERA
x Menoidium x MENOIDIUM Menoidium     MENOIDIUM
x Meridion x MERIDION Meridion     MERIDION
x Meringosphaera x MERINGOSPHAERA       MERINGOSPHAERA
x Merismopedia x MERISMOPEDIA Merismopedia     MERISMOPEDIA
x Merotrichia x MEROTRICHIA Merotricha [sic]     MEROTRICHIA
x Mesocarpus x MESOCARPUS (Syn.) MESOCARPUS (Syn.)
    x MESOSTIGMA Mesostigma     MESOSTIGMA
x Mesotaenium x MESOTAENIUM Mesotaenium     MESOTAENIUM
x Micractinium x MICRACTINIUM       MICRACTINIUM
    x MICRALOA (Syn.)       MICRALOA (Syn.)
x Micrasterias x MICRASTERIAS Micrasterias     MICRASTERIAS
    x M. FOLIACEA       M. FOLIACEA