# Some algae abbreviata abundans acerosum acetabularia acetabulum achnanthes achroeteri aciculare acicularis acidicola acidophila acidum acrochaetium acrosiphonia acrosphaeria actinastrum actinochilus actinochloris actinocyclus actinoshloris aculeata aculeatum acuminata acuminatus acus acuta acutiformis acutus adhaerens adriaticum aegagropila aegyptiacum aempervirens aequalis aequiciliata aerea aeria aerius aerugineo aerugineocoerulca aerugineocoerules aerugineum aeruginium aeruginosa aeruginosum aeruginosus aestivale aestivalis aff affine affinis africanum africanus agardhianum agardhii aggregata agile agloeformis agmenellum akashiwo akinetos akinetum alabamense alantoideum alata alatosporum alatum albida aldevei alifera allas alpicola alpina alsidii alternans alveolaris alveolatum ambigna ambigua ambiguum americana americanum amilifera amoena amoenum amorphonostoc amphibia amphidinium amphioxys amphiprora amphitricha amphora amphoroides ampla amplivaginata amylifera amylophila anabaena anabaenopsis anacystis anadyomene anastomosans anceps andersonii anglica anguiosa angularis angulata angulosa angulosum anguste angustissimum angustistomum angustus animale animalis anitrata ankistrodesmus ankyra annulata annulina anomala ansatum antarctica antaroticus anthophysa anticipata anticontata antillarum antilopaeum antiqua antithamnion apatococcus apedinella aphanizomenon aphanocapsa aphanochaete aphanothece apiculata apistonema aplanospora aplanosporum appendiculata applanata applanosporum aptogonum apusomonas aquae aquatica aquaticum aquatilis aque aquitilis arboricola archerianum archibaldii arcocellulus arctiscon arcuatum arcuatus arenaria arenicola arenosum areolata arhiza armatum armatus arnoldii arrhiza arthopyreniae arthrodesmus arthronema arthrospira arvernensis ascochloris ascus asparagopsis astasia asterarcys asterionella asterochloris asterococcus asterocytis asteromonas asteromphalus asterosiphon astigmatica astipitatum astrephomene astroideum asymmetrica asymmetricum at atactogama atomus atractomorpha atropurpurea atrorosea attenuata attheya audouinella augstumalis augustae aulacosira aulata aulosila aulosira aurantiaca aurea aureolum aureum aureus auricoma aurita autotrophica autumnale auxotrophica avernensis axilosphaera azollae azoricum azotica baca baccillaris bacillaris bacillifera badensis baileyi balatonica baltica balticola balticum bambusina bangia barberi bardawil barlowi bartlettii basicladia basilensis basiliense basiliensis bastropiensis batophora batrachospermum battersii bechererianum becherianum beggiatoa belgica belkae bellerochea bharadwajae biatorellae bibacillatum bibraianum bibraianus bicaudatus bicellularis biddulphia bieneanum bigueti bijuga bijugatus bilatus bilobata bioculata bioculatum bipedinomonas bipes biradiatum biretum bisecta bispora bisporum bitridens biyugatum blastophysa blennista bodanella boergesenia boergesenii bohneri boldii boodlea borealis borgerti borisianum borneti bornetii bornhemiensis borodinellopsis boryana boryanum borzia bostrychia botridiopsis botrioides botrydiopsis botrydium botryococcus botryoides botrytis bourrellyi brachiatum brachiomonas brachykentron brachyptera bracteacoccus brannonii brasil brasiliensis braunii brebissonii breuispicula breve breviaculeatus breviarticulata brevicellularis brevifilum brevipes brevirostris brevis brevispina brevispinosa brevissima breviturrita brightwellii bristolae bristoliana britannica brockmanniella brockmannii brunea brunnescens bryopsis buetschlii buetsohlii bulbochaete bulgariense bulla bullosa bulnheimii bulosa bumilleria bumilleriopsis bursata butcheri butyrosum byssoidea byssoides c cachonina caeca caeruleum caespitella caespitosus calathiferum calceiformis calcicola calcitrans caldariorum caldariourm caldarium californica calliandrum callithamnion callosa callunae caloglossa calosporum calothricoides calothrix calyculus calyptrosphaera cambricum campylonemoides cantabrica capensis capillare capitatum capitatus capricornutum capsosiphon capsulata capsulatum capuana capucina cardiacum caribeum carinatus carnea carneum carolii carolinianum carterae carteri carteria carteriaformis carteriiformis caspia cassubicum catenata catenatum catenella catenula caudata caudatum caulerpa caulonema caus cavernosa cedercreutziella cedorum cedrorum centric centrosphaera cephaleuros ceramium cerataulina ceratium ceratocorys ceratosporum ceylanica chaetoceros chaetomorpha chaetopeltis chaetophora chalyhea chamaecalyx chamaesiphon chamaetrichon chantransia characiochloris characiosiphon characium charkoviensis charkowiensis chattonella chilomonas chionophila chiton chlamydobotrys chlamydocapsa chlamydogama chlamydomonas chlomochloris chlorachnion chloramoeba chloranomala chloranthus chlorarachnion chlorarachniophyte chlorastera chlorella chlorellidium chlorelloidea chlorelloides chlorhormidium chloridella chlorobotrys chlorochytrium chlorocloster chlorococcides chlorococcoides chlorococcum chlorogloea chlorogloeopsis chlorogonium chlorokybus chloromeson chloromonas chlorophyte chlorosarcina chlorosarcinopsis chlorosphaera chlorosphaeropsis chlorostellata chlorotetraedron chlorsarcinopsis chodatella chodati chodatii choricystis chromochloris chromulina chroococcides chroococcidiopsis chroococcoides chroococcopsis chroococcus chroococoidiopsis chroodactylon chroomonas chroothece chrysamoeba chrysidalis chrysochromulina chrysoidea chrysophyte chrysosphaera chui chuii chunkingensis ciferrii ciliata cinctum cinctus cingulata cingulum cinnabarina cinnabarinus circinalis circinnatus circulare circularis circumcarinata circumcarinatum cirratum cirrosa citriforme cladophora cladophoropsis clara clathrata clathratum clavata clepsydra clevei closterioides closteriopsis closterium coccobotrys coccochloris coccoides coccolithophora coccolithus coccomyxa coccopedia cochlodinium coelastrella coelastroides coelastropsis coelastrum coelosphaerium coelothrix coenochloris coenococcus coerulea coeruleus coffaeformis coffeaeformis cohaerans cohaerens cohaereus cohnii colacium coleochaete collegionis commatiforme communae commune communis commutata complanatula composita compressa compressum compressus compsopogon comutata concavicornis concentricum concinna concinnus condensata conferta confervacae confervacea confervicola confluens conjuncta conjunctivum connatum consociata conspersa constricta constrictum contorta contortum contractum convergens convoluta convolutae convolutum convolutus coolia corbidifera corcontica corcontochrysis cordata cordiformis corethron cornu cornuta coronastrum coronata coronatum corpulentum corticola corymbellus corymbosum coscinodiscus cosmarium cosmocladium costata costatosporum costatum costatus costulatus crassa crassispina crassulus crassum cratis crenulata cribriger cribrum cricosphaera crinale criophilum crispata crispum cristatum croceum crotonensis crucifera crucigenia crucigeniella crucigeniellquadrata crucigonia cruentum crustacea crustaceum crux crypthecodinium cryptica cryptochrysis cryptoglena cryptomonas cryptophyte crystallolithus ctenocladus cubana cubensis cubicum cucumiformis cucumis cucurbita culleus cultellus cumagloia cumbricus cuneata cuprecola curta curtum curvata curvatum curvilineata curvulus cuspidata cuspidatum cyanidium cyanophora cyanophyte cyanosarcina cyanosphaera cyanothece cyathipes cyclidiopsis cyclococcolithus cyclopicolum cyclotella cylindrica cylindricum cylindricus cylindrocapsa cylindrocystis cylindrospermum cylindrotheca cylindrus cymatosira cymbium cynthia cystosum dactylococcopsis dactylococcus dangeardii danica danicum danicus danubiales danubialis dasya davisii deasonia debarya debaryana debaryi deberyana debile debilis decedens decemdentata decipiens decolor decolorans decora defectum deficiens deflandrii dejectum delicata delicatula delicatulus delphineis dendroideum densus dentatum denticulata denticulatum denticulatus derbesia dermatocarponis dermocarpa dermocarpella desertica deses desiccata desmidium desmococcus detonula diacronema diadema dialepta dianae diatom diatoma dichothrix dichotoma dichotomosiphon dichotomus dickiei dicrateria dictyochloris dictyochloropsis dictyococcus dictyosphaeria dictyosphaerium dictyostelium dictyota didelta didymocystis didymotocum didymum didymus diegensis digenia digitus dilabifilum dimorphococcus dimorphus dinobryon dinoflagellate diplobionticoideum diplobionticum diplococca diplosiphon diplosphaera discoideum disociata disomata dispar dispersa dissecta dissectum dissiliens dissipatrix dissociata dissociatus distigma distorta ditylum divaricatum divergens diversum dixonii docidium doliolum donnellii dorsoventralis dorsum draparnaldia droebakensis dubowskii dunaliella duplex dybowskii dydimocistis dysmorphococcus dysosmos earleae eccentrica ecdysichlamys echinata echinosphaeridium echinozygotum echinulata echinus ecornis ectinozygotum ectocarpus edaphicum ehrenbergianum ehrenbergii ehrenbrgii elabens elakatothrix elbense elegans elegantissimum elenkenii elenkinii elkhartiense ellipsoidalis ellipsoidea ellipsoides ellipsoideum ellipsoidion ellipsosperum ellipsosporum elliptica ellipticus elliptochloris elongata elongatum elongatus emersonii emersus emiliania enallax endophytica endophytum endozoica engadinensis ensiculifera enteromorpha entocladia entophysalis entophytum entosiphon entransia entrophytum epiphytica eragilaria ereme eremi eremosphaera eremosphaeria ericetorum erici ericina ernodesmis errerella erumpens erythrocephala erythrocladia erythrotrichia euastrum eucampia eucapsis euchlora euchlorum eudorina eugametos euglena euglenid eunotia euryale eustigmatos eutreptia eutreptiella evesiculatum excentrica excentricum excentrochloris exiguus exilis eximins extenue extubocellulus falcata falcatum falcatus farctum faroensae fasca fasciata fasciculochloris faveolarum favosum fenestrata fertilissima fibrocapsa filamentosa filicina filiformis fimbriata firma fischerella flaccidum flava flexuosum flintiella flocculosa floccurosa floridana floridula flos fluens fluitans fluviatile fluviatilis foliacea foliaceum foliifera forbesii foreolanum formosa formosulum formulosum fottea fottii foveolarum foveolatum fracta fragilaria fragilaroides fragile fragilidium fragilis fragrans franceia frankii fremyella friedmannia fritschiella fritschii frustulum fulvescens fuornensis furcata furcigerum fusca fusco fuscopigmentosa fuscopurpurea fuscus fusiforme fusiformis fusispora fusus galapagensis galatheanum galbana galeata galvestonensis gambierdiscus gayanum gayraliae geitleri gelatinosa gelatinosum gelidicola gelidium geminata geminella genevensis genicularia geniculata geniculatum gentilis gephyrocapsa gerloffii ghosei ghosi gibba gibberosa gigantea giganteus gigantica giganticum gigas glacialis gladiosum gladius glanduliferum glaronensis glauca glaucocystis glaucosphaera glenodinium gleocapsa gleochrysis gleocystis globator globosa globosus globosys globulina gloecapsa gloeobacter gloeobotrydiformis gloeocapsa gloeochaete gloeococcus gloeocystis gloeodendron gloeodinium gloeogama gloeomonas gloeopara gloeophila gloeothece gloeotila gloeotilopsis gloeotrichia glomerata glomerifera glucotropha golenkinia golenkinianum gomontia gomphonema gonatozygon gongrosira goniotrichopsis goniotrichum gonium gonyaulax gonyostomum gracilaria gracile gracilis gracillis grammatophora granata granatum grandes grandis granii granulata granulatum granulatus granulocystis granulocystopsis granulosum grateloupia gravida gregaria grevilleana griffithii griffithsia griffithsiana grindleyii grisea groenbladii grossii grp guadricauda gubernaculifera guillardii guttulata gutwinskii gymnastica gymnodin gymnodinium gymnogama gymnozyga gypsophila gyrans gyrodinium gyropaigne gyrosigma gyrus haematococcus hafniomonas halliae hallii halochlorococcum halophila halophilia halopteris halosphaera hamata hammatoidea hantzschia hantzschiana hantzschii hapalosiphon haptophyte hardyi harima harveyana hassalii hatodinium hazeni hazenia hazenii hegewaldii heimii helgolandinium helicodictyon helicoides helikoides helvetica helveticum hemiselmis henningsii herdlansis herdlensis herdmanii heteracanthum heteracantum heterocapsa heterochlamydomonas heterococcus heterogonium heterolobum heteromastix heteromorpha heterosigma heterotetracystis heterothrix heterotrichella heufleri hibernicus hieroglyphicum higgensiae higginsiae hiloensis hindakii hoffmanii hofleri hofmanni holmiense holsatica homoeotrichum homoshpaera homosphaera hormidiella hormidioides hormidiospora hormidium hormotila hormotilopsis hornavanense horrida horridum huberi humicola humicolum humifusum hutchinsiae huxleyi hyalina hyalococcus hyalodiscus hyalogonium hyalophacus hyaloraphidium hyalotheca hydra hydrocoleum hydrocolleum hydrodictyon hymenomonas hypnea hypnomonas hypnosporum hypnospotum hysterix hystrix idiosporum ignatius illdelina illinoisensis imantonia immobilis imobilis impellucida impressa impressulum imtermedium inaequalis incerta incisa incissa incisus inclinata inconspicua inconspicuum incrassata incrassatulus incrustata incurva incurvum incus indica indicum inepta inequalis inflata inflexa infusionum inornata instriatum insulare integrum intercedens interfilum intermedia intermedium intermedius interruptum intestinalis intricata intricatus inundatum involuta irregulare irregularis isabeliene isabeliense isabeliensis isobilateralis isochrysis israeliensis isthmium italiana italica iyengari iyengarii jamesii japonica japonicum javanica javanicum jenneri johnsonii jovais judayi juergensii kagosima kankensis kappa karakumica katniensis katodinium kawraiskyi kentrosphaera keratococcus kessleri kesslerii khawkinea kiebsii kirchneriella kirschneriella klebsii klebsormidium kofoidii koliella komarekii komma komvophoron korsikovii kosterae kramstai kruegeri kryptoperidinium kuetzingianum kuetzingii kupfferi kutzingiana kutzingianum kutzingii laciniata laciniato lactuca lacustre lacustris laetevirens laeve laevis lagerheimia lagerheimii lamellata laminosus lamunosum langerheimii lanowii lanskaya laprieurii laticeps latissima lauderi lauderia lauterborni lauterbornii laxa laxissima leate lefevrei leibleinii lemnae lens lenticularis leopoliensis lepocinclis leptocladum leptocylindrus leptolyngbya leptoporus leptosira leucosticta levis leyanella liana libellula licheniforme lima limbatum limnetica limneticum limneticus limnophila limnothrix limosa linchia linckia linearis lineata lineatum lingulata linkia linza lithodesmium litoralis littorale lividus llanoensis lloydina lobata lobatus lobococcus lobocystis lobomonas lobophora lobosphaera loculatum loeblichii lola lonar longa longicauda longicruris longifilis longifillis longiformis longipes longiseta longispicula longispinosa longisporum longissima longissimus longstaffi longus lubrica lubricum lubricus lucens lucifuga lud lunaris lunatum lunatus lundellii lundii lunula lunulatus luridum lutea luteorividis luteoviridis luteus lutheri luxurians luzensis lybowski lyngbya lyngbyoides macrochloris macrogranulosa macronucleata macrophysa macropyrenoidosa macropyrenoidosum macrostellata macrostigmatum maculata magna magnifica magnum mahabuleshwarensis mahleri mainxii maius major majus majuscula majusculum malhamensis mallomonas mammifer mammilatus manfeldtii mantoniella manxiana marchica margaritaceum margaritatum margaritifera margaritiferum marietanii marina marinum marinus maris marssonii martima marvanii massartii mastigocladus maxima maximum maximus mdia medionucleatus mediterranea megalis megalopsis meinningensis meiringensis melanospora melitensis melosira membranacea membraninus membranoptera meneghiana meneghiniana meneghinii menoidium menzellii merismopedia meslinii mesolychnon mesostigma mesostigmatica mesotaenium metamorphum mexicana mexicanum micans michailovskoensi micractinium micrasterias microadriaticum microchaete microcoleus microcystis microcystoides microdictyon micromonas microporum microscopicum microsphaera microspora microsterias microstigmatum microthamnion minerval miniata minidiscus minima minimum minimus minita minnesotense minor minus minuscula minuta minute minutissima minutissimus minutocellus minutum minutun minutus mirabile mirabilis mirus mischococcus mitra mobile mobiliensis moewusii molle monadina monallantoides monas monilata moniliferum moniliforme moniliformis monochrysis monodus monoica monomastix monoraphidium monotaenium monotis montagnei montana montanum monticola moriformis morum morus mougeotia mougeotii mucicola mucigena mucoroides mucosa mucose muelleri mul multicoccum multinucleata multinucleatum multiseta multisporus multistriata muralis muricata muricatum muriella muriellopsis muscicola musciformis musciola muscorum mutabilis myriophyllum myrmecia myxocylindracea myxocylindrica myxosarcina naegelii nagasakiense nana nannochloris nannochloropsis nannoselene nanoselena nanum nanus natans nautococcus navicula ne neapolitana negevensis neglecta nelsoni nemalion neoagardhiella neochloris neodesmus neohelis neopolitana neospongiococcum nephrochlamys nephrochloris nephrocytioides nephrocytium nephrodiella nephroselmis netrium newtonii nidulans niei nigrae nigrum nimbatus nitellarum nitens nitzschia nitzschioides nivale nivalis nobilis noctigama noctiluca noctivaga nocturna nodosa nodosum nodularia nodulosum nordenskioeldii nordenskioldii nordstedtiana nordstedtii normandinae normanii norweqica nostoc nostochinearum nostococorum nostocorum notabilis notarisii notatum novae novaeanglinae nuclearia numidica nummuloides oapensis obesa obesum obliqua obliquus oblonga oblongum obovata obovoidea obscura obtusa obtusatum obtusiusculus obtusum obversus occidentalis oceanica ocellata ocellatum ocellatus ochromonas ochromonoides ochrosphaera octonarium oculata odontella oedocladium oedogonia oedogonium oerstedii oinnabarina oleafaciens oleifera oleoabundans oleofaciens olisthodiscus olivacea olivieri oltmannsiellopsis onychonema oocystidium oocystiformis oocystis oogama oonephris operculatum ophiocytium opisthostigma opoliensis orbiculare orbicularis orientalis orsiniana oscillans oscillarioides oscillatoria ostreopsis ourococcus ovale ovalis ovalternus ovata ovatum oviforme oviformis ovum oxyrrhis oxyuris ozolini pachychlamymus pachycladella pachydermum pachynema pacifica palea pallens pallida pallidostigmatica palmella palmelloides palmellopsis palmeriana palmodictyon palmogloea paludosa paludosum paludosus pampae pand pandorina pannonicus papillata papillifera papillosa papuasica papyraceum paradoxa paradoxia paradoxum paradoxus parallestriata paramecii paramecium paraphysomonas paraserbinowii parasitica parasiticus parietina parisiensis parkae parkeae parmelioides parmeloides parmidium parriaudii parva parvula parvulum parvum paschale pascheri pascherina patellifera patenaeforme pau paucicellulare paulschulzia pavlova pecsensis pectinatum pectodictyon pectorale pediastrum pedicellata pedinella pedinomonas peircei pelagica pelagicus pelagococcus peliosporum pelliculosa pellucida peltigerae peniocystis penium pennate peracerosum peranema percei percursa percursaria perforata perforatum perforatus peridiniopsis peridinium perissum perplexum perpusilla perscienium persicinum pertyi petalonema petasus peterfii peterseniana petersenii peterusenii pevalekii phacotus phacus phaeocystis phaeodactylum phaeothamnion philotes phoenicenteron phormidinium phormidioides phormidium photoheterotrophicum phycobiontica phymatodocis physocytium pigra pila pilinia pilosum pingue pinguideum pinguis pingus pinicola pinnata pinnatifida pinnatum pinnularia piriformis pisciformis piscinale pithophora pitschmannii piuguideum placidum placoidea plagioselmis planctonica planctonicum planctonicus planktosphaeria planktothrix planoconvexa planophila planum platensis platydiscus platydorina platyisthmum platymonas platyuris plectonema pleodorina pleromonas plethora pleurastrum pleuro pleurocapsa pleurochloris pleurochrysis pleurococcus pleuronectes pleurotaenium plumosa plumosum pluristigma pluvialis pocockiae polonicum polonicus polychorda polyedra polyedriella polyedriopsis polygramma polykrikos polylepis polymorpha polymorphum polymorphus polyneura polyphem polysiphonia polytoma polytomella porcata porosira porphyra porphyridium porphyrosiphon porterinema portoricensis possonia poterioochromonas potteri pouchetii pouchettii powersii praelongum praemorsum praetervisus prasinocladus prasinophyte prasiola prasiolopsis pratensis prescottii primarium primolecta primolects princeps pringsheimii printzii privum proboscidea proboscideum proboscidium proboscigera producto profunda prolifera proliferum prolificus prorocentrum prorocertrum proskaueri prostratum proteus protoceratium protochrysis protococcoides protogonyaulax protonematoides protoperidinium protosiphon prototheca prototheciodes protothecoides protracta protuberans proxima pruniforme prymnesiophyte prymnesium pse pseudagloe pseudanabaena pseudendoclonium pseudoalveolaris pseudoanabaena pseudobaltica pseudobraunii pseudobumilleriopsis pseudocapsa pseudocharaciopsis pseudocharacium pseudochlorella pseudochlorococcum pseudococcomyxa pseudococcum pseudoconnatum pseudocrinitum pseudodenticulatus pseudodictyosphaerium pseudogigantea pseudogloeogama pseudoisochrysis pseudom pseudomicroporum pseudomicrosphaera pseudomierabilis pseudominor pseudomirabilis pseudonana pseudopalmata pseudopedinella pseudopellucida pseudopertusa pseudopleurococcus pseudosalina pseudoschizomeris pseudoscourfiela pseudoscourfieldia pseudospongiococcus pseudostichococcum pseudostichococcus pseudostigmatica pseudotetracystis pseudotrebouxia pseudotrochiscia pseudovarians pseudovolvox pterocladia pteromonas pterosperma ptychodiscus pulchellum pulchra pulchrasphaera pulchrum pulsatilla pulverea pulvinata pumila pumilio punctata punctatum punctifera punctiforme punctulatum purpurea purpureum pusilla pusillum pusillus pygmaea pygmeae pyramidatum pyramimonas pyrenoides pyrenoidifera pyrenoidosa pyrenoidsum pyriformis pyrobotrys pyrocystis pyrophacus pyrum quadrata quadratum quadricauda quadricaudas quadrigula quadrilaminata quadrilobulata quadruplicatum quartana quartiolecta raciborskii radians radiata radiatus radicans radiococcus radiofilum radiosa radiosphaera ralfsii ramosa ramosum randhawae rapa raphidocelis raphidonema raphidonemopsis raudensis rayssiae rectangularis redekei refringens reginae regularis reinhardii reinhardtii reisiglii reniforme reptans resplendens reticulata reticulatum reticulatun retusum rhabdogloea rhabdomonas rhathymum rhizobrachialis rhizochromulina rhizoclonium rhizopus rhizosolenia rhodella rhodochorton rhodomonas rhodosorus rhodymenia rhopalocystis rhopalosolen rhynchocephalum richteriana richterianum riekei rigidula rima riparium rivulare rivularia rivularis robusta rosae rosanoffi roscoffensis rosea roseum rostoratiformis rostratiformis rostratum rotata rotula rotunda rotundatum rotundissima rotundus rousseletii roya rubens rubescens ruchingeri rufescens rugosum rumpens rupestris russellii ruttnera sabrinensis saccata saccatum saccatus saccharophila saccharophilla sacchrophila sacculiferum sacoharophila sagittifera sagraeanum sajao salina salinarum salinum salsugineum sancta sanguinaria sanguinea sanguineum sanguinium saprochaete sarcinochrysis sarcinoideum satfuscum savoniensis saxatile saxicola saxonicum sc scabellum scendesmus scenede scenedesmus scherfelli schewiakoffi schizodermaticus schizomeris schizothrix schmidlea schmidlei schroederia schroederiella schroeteri schultzi schumacherensis schwarzii scoparia scopulorum scotiella scotiellopsis scrippsiella scutulum scytonema scytonematopsis scytonemicola sebaldi secedens secundata segnis seirospora selenastrum semen sempervirens septentrionale septentrionalis sequoieti serbinowi serbinowii sericea serra serratus sessilis sestonica setaceum setchellianum setiforme setigera setigerum showmanii siamensis sibogae sicula siderocystopsis siderogloeus sieboldii signiensis siliculosus silvae similis simplex siphonocladus sirodotia sirogonium skeletonema smithii smolandicum snowella sociabilis sociale socialis sol solarinae solea solida solidum solieria solitaria solitarium soluta sorastrum sordidum sorocarpus sorokiniana sp spaerckii spathirhyncha spectabilis spenceri spermatochnus spermatosphaera spermothamnion sphacelaria sphacosum sphaerella sphaerellocystis sphaerellopsis sphaerica sphaericum sphaerioum sphaerocarpa sphaerocephalus sphaerocystis sphaeroidea sphaeroides sphaeroideum sphaeroplea sphaerosorus sphaerozosma sphagnicola sphagnophila spicatum spiculiforme spiculiformis spiculosum spinifer spinifera spinoclosterium spinosa spinosporum spinulosa spiralis spirogyra spiroides spirotaenia spirulina splendens splendida splendidum spondylosium spongiaeforme spongiochloris spongiococcum spongioplastidium spongiosa spongiosum spontaneum spreta spumella spumigena spyridia squamata stagnale stagnora staniera starria starrii staurastr staurastrum staurogeneiformis staurogeniaeforme stauroneis steinii stellaris stellata stelliger stephanodiscus stephanophyxis stephanoptera stephanopyxis stephanosphaera stercoraria sterile sterilis stichochrysis stichococcus sticticum stigeoclonium stigmatica stigmatophora stigonema stimatica stipitata stipitatus stoloniferum stratonostoc straurasturum streblonema streptotheca striata strictissimum strigosum striolata striolatum strobilus strombomonas struvea stuhlmannii stuposum subangulosa subavicula subbreisis subbrevis subcapitata subcapitatus subco subcordiformis subcostatum subcrenatum subcylindiica subcylindrica subehrenbergii subellipsoidea subfuscum subglobosa subglobosum sublittoralis submarina submarinum submarinus subrevis subsalsa subsalsus subsecundum subsolitaria subsolutaria subsphaerica subspicatus substomatophora subterraneus subtilis subtilissimum subtilissium subtropica subtumidum subulatus subviridis suecica sulcatum superbus surirella surtseyensis surtseyiensis swainei swartzii sweeneyae swirenkoi symbiodinium symbiontica symphyonemopsis symploca syncrypta synechococcus synechocystis synedra synura syracosphaera t tabellaria tadzschicicum taeniata tamarensis tamesis tatrense taylorii teliferum tenera tennius tenue tenuis tenuissima tenuissimum terebrans tergestinum terrae terrestre terrestris terricola terrkestris tertiolecta tertius tetmemorus tetrabocrys tetrabotrys tetrabrachia tetrachlorella tetrachlorelloides tetracystis tetradesmus tetraedron tetragamum tetrahele tetrallantos tetraophthalmum tetrapedia tetraptera tetrapyrenoidosa tetras tetraselmis tetraspora tetrasporum tetrasporus tetrastrum tetrathele tetravacuolaris texanum texensis texsensis thalassione thalassionema thalassiosira thalassiothrix thermalis thomasiana thomassonii thoracosphaera thorea thuretii tinctoria tirolensis tisserantii tolypothrix torreyi torta tortile tortus torulosa toxicus toxon trabecula trachelomonas trailliella transita transversale trebouxia trentepohlia trentonense treubaria triangulare triangularis triappendiculata tribonema tribonemoides trichodesmium trichophilus trichophorum trichormus trichosarcina tricornutum triestinum trilocularis trioculatus triploceras tripteris triqueter triquetra triquetrum tristella tristellata tritschii trochiscia trochisciopsis trochoidea trochoideum tropicum tropicus truncata truncatum tryblionella trypanosoma tuberculata tuberosa tuberosus tubifera tumida tumidum tunetanum tuomeya turfaceum turfosa turgidus turneri turnginii turpinii turris tychonema typhlos typica typicum uliginosum ulmea ulna ulothrix ulva ulvaensis umbilicosphaera umbonatum umbrina uncatenatum uncatenum uncinatum undulatum undulatus unicellularis unicocca unipapilla urnella uronema usneae utricularis uva uvaeformis uvella vacuolaria vacuolata vacuolatum vadorum vagabunda vaginatus vaginicola vagum valderia valonia valoniopsis vanbosseae vanniellii vari variabile variabilis varians variegata varium vaucheria vectensis vegetans vegetata velata veneta venkataramanii ventricosa venus verrucariae verrucosa verrucosum versluysii verticillata vesiculosa vesiculosum vesiculosus vespertilionis vestita vigenis vigensis viguieri villosa violacea violaceae violaceum violaceus virens virescens virgatulum virginica viride viridis viridistellatum vischeri vischeria vitiligo vitreochlamys vlkianum volvocina volvocinopsis volvox volvulina volzii vulgare vulgaris waerniella wallichii walzi weberi weissflogii welkeri welwitschii wesenbergii westella westii wickerhamii willei wilmanae wimmeri wisconsinensis wislouchiella wittrockiana wollea woloszynskia woronichini woronichinii woroniniana wulffii xanthella xanthidium xanthonema xenococcus yellowstonensis zebra zetterstedtii zimbabweensis zimbabwiensis zodiacus zofingiensis zonata zoochlorella zooxanthella zopfii zopfingiensis zorensis zygnema zygnemopsis zygogonium