Online Resource 1: Phytoplankton taxa identified from the microscopical analyses in the different groups of lakes (Patagonia and Antarctica).

Patagonian Plateau / steppe lakes / Deep Andean lakes / Andean shallow lakes / Humic lakes and ponds Tierra del Fuego / Antarctic lakes
Cyanobacteria
Anabaenopsis elenkinii / x
Aphanizomenon sp. / x
Aphanocapsa delicatissima / x / x / x / x
Aphanocapsa elachista / x / x / x
Aphanocapsa incerta / x
Aphanocapsa sp.1 / x / x
Aphanocapsa sp.2 / x
Aphanothece caldiorum / x / x
Aphanothece calthrata / x
Aphanothece cf. nidulans / x / x
Aulosira sp. / x
Chroococcus limneticus / x
Chroococcus minor / x
Chroococcus minutus / x / x / x / x
Chroococcus sp.1 / x
Chroococcus sp.2 / x
Coelosphaerium kuetzingianum / x / x
Coelosphaerium cf. minutissimum / x
Coelosphaerium sp. / x / x
Cyanodictyon imperfectum / x
Dolichospermum sp.1 / x
Dolichospermum sp.2 / x
Eucapsis minuta / x
Eucapsis starmachii / x / x
Gomphosphaeria aponina / x
Leptolyngbya antartica / x
Leptolyngbya fragilis / x / x
Leptolyngbya cf. frigida / x / x / x
Leptolyngbya sp. / x / x / x
Merismopedia glauca / x
Merismopedia tenuissima / x / x
Merismopedia sp. / x
Microcystis firma / x
Microcystis sp. / x
Myxosarcina sp. / x
Nostoc sp. / x
Phormidium autumnale / x
Phormidium foveolarum / x
Phormidium sp.1 / x / x / x / x
Phormidium sp.2 / x
Planktolyngbya contorta / x
Planktolyngbya limnetica / x / x
Planktolyngbya sp. / x
Pseudanabaena catenata / x / x
Pseudanabaena tenuis / x
Pseudanabaena sp. / x / x
Rhabdoderma sp. / x
Snowella septentrionalis / x
Synechococcus sp. / x / x
Chrysophyceae
Chromulina sp.1 / x
Chromulina sp.2 / x / x / x
Chrysocapsa cf. planktonica / x
Dinobryon cylindricum / x / x
Dinobryon divergens / x / x
Dinobryon cf. sertularia / x
Dinobryon sp. / x / x
Mallomonas sp.1 / x / x
Mallomonas sp.2 / x
Ochromonas sp.1 / x / x / x / x / x
Ochromonas sp.2 / x
Salpingoeca sp. / x
Syncrypta globosa / x
Synura uvella / x
Chrysophyceae sp.1 / x / x
Chrysophyceae sp.2 / x
Chrysophyceae sp.3 / x / x
Chrysophyceae sp.4 / x / x / x / x / x
Chrysophyceae cysts / x / x / x / x / x
Chlorophyceae
Acutodesmus acuminatus / x
Acutodesmus cf. acutiformis / x
cf. Ankyra / x
Ankistrodesmus fusiformis / x / x
Ankistrodesmus gracilis / x
Ankistrodesmus spiralis / x
Botryococcus braunii / x / x
Botryosphaerella sudetica / x
Carteria sp. / x
cf. Choricystis / x
Chlamydomonas minutissima / x
Chlamydomonas nivalis / x
Chlamydomonas subcaudata / x
Chlamydomonas sp.1 / x / x
Chlamydomonas sp.2 / x
Chlamydomonas sp.3 / x
Chlamydomonas sp.4 / x / x / x / x
Chlamydomonas sp.5 / x / x / x / x
Chlamydomonas sp.6 / x / x / x / x
Chlamydomonas sp.7 / x / x
Chlamydomonas spp. / x / x / x / x / x
Chlorella sp.1 / x / x / x
Chlorella sp.2 / x
Chlorogonium elongatum / x
Chloromonas sp. / x
Coelastrum astroideum / x
Coelastrum microporum / x / x
Coenocystis planctonica / x
Coenocystis subcylindrica / x
Coenochloris sp. / x
Crucigenia rectangularis / x / x
Desmodesmus intermedius / x
Desmodesmus opoliensis / x
Desmodesmus quadricaudatus / x
Desmodesmus subspicatus / x
Dictyosphaerium pulchellum / x
Dictyosphaerium tetrachotomum / x / x
Dictyosphaerium sp. / x
Didymocystis bicellularis / x
Didymocystis sp. / x / x
Elakatothrix lacustris / x
Eremosphaera eremosphaeria / x
Eudorina elegans / x
Eutetramorus fottii / x / x / x
Fusola viridis / x / x
Kirchneriella contorta / x
Kirchneriella irregularis / x
Koliella sp. / x
Lobocystis sp. / x
Micractinum pusillum / x
Monoraphidium arcuatum / x
Monoraphidium caribeum / x
Monoraphidium circinale / x / x / x / x
Monoraphidium contortum / x / x / x / x
Monoraphidium fortile / x
Monoraphidium griffithii / x / x / x
Monoraphidium indicum / x / x
Monorapidium komarkovae / x
Monoraphidium minutum / x / x
Monoraphidium pusillum / x
Monoraphidium subclavatum / x
cf. Muriella / x
Oedogonium sp. / x / x
Oocystis lacustris / x / x
Oocystis marssonii / x / x
Oocystis parva / x
Oocystis solitaria / x
Oocystis sp. / x
Palmella sp. / x
Paulschulzia pseudovolvox / x
Paulschulzia tenera / x / x
Pediastrum duplex / x
Pediastrum mustersii / x
Pediastrum sp. / x
Phacotus lenticularis / x
Planktonema lauterbornii / x
Planktosphaeria gelatinosa / x
Pseudopediastrum kawraiskyi / x
Pteromonas cordiforme / x
Pteromonas sp. / x
Raphidonema nivale / x
Scenedesmus armatus / x
Scenedesmus circumfusus / x
Scenedesmus ecornis / x / x
Scenedesmus sp.1 / x / x
Scenedesmus sp.2 / x / x / x
Scenedesmus sp.3 / x
Scenedesmus sp.4 / x
Schroederia antillarum / x
Schroederia indica / x
Schroederia robusta / x
Schroederia setigera / x
Spermatozopsis sp. / x
Sphaerellopsis sp. / x
Stichococcus minutissimus / x
Stilosphaeridium chlorangeloides / x
Tetraedron minutum / x
Tetraedron pentaedricum / x
Tetraedron sp. / x
Tetrastrum komarekii / x
Tetrastrum triangulare / x / x
Tetrastrum sp. / x / x
Thorakocloris sp. / x
Trochiscia sp. / x
Westella bothryoides / x
Willea sp. / x
Zygophyceae
Closterium acutum / x
Closterium cf. acutum var. variabile / x
Closterium parvulum / x
Closterium setaceum var. elongatum / x
Closterium leibleinii / x
Closterium sp. / x
Cosmarium bioculatum / x / x / x
Cosmarium cylindricum / x
Cosmarium laeve / x
Cosmarium obtusatum / x
Cosmarium sp.1 / x / x / x / x
Cosmarium sp.2 / x
Cylindrocystis sp. / x
Euastrum dubium / x
Euastrum sp. / x / x
Mougeotia sp. / x / x
Spirogyra sp. / x
Staurastrum paradoxum / x / x / x
Staurastrum tohopekaligense / x
Staurastrum sp. / x / x
Staurodesmus subulatus / x
Cryptophyceae
Chroomonas sp. / x / x / x
Cryptomonas ovata / x / x
Cryptomonas cf. erosa / x / x
Cryptomonas marsonii / x / x
Cryptomonas sp.1 / x / x
Cryptomonas spp. / x / x / x / x / x
Plagioselmis cf. lacustris / x / x / x / x
Plagioselmis nanoplanctonica / x / x
Bacillariophyceae
Achnanthes sp.1 / x / x / x / x
Achnanthes sp.2 / x / x
Achnanthidium delicatula / x
Achnanthidium exiguum / x
Achnanthidium minutissimum / x / x
Achnanthidium pyrenaicum / x
Amphipleura sp. / x
Amphora sp. / x
Aulacoseira granulata / x / x
Aulacoseira sp. / x
Asterionella formosa / x
Asterionella sp. / x / x
Campylodiscus sp. / x
Cocconeis placentula var. placentula / x / x
Cocconeis placentula var. lineata / x
Cocconeis sp. / x / x
Cyclotella ocellata / x
Cyclotella sp.1 / x
Cyclotella sp.2 / x
Cymbella sp. / x / x / x
Craticula cf. ambigua / x
Craticula cuspidata / x
Diatoma moniliformis / x
Discostella stelligera / x
Ephitemia adnata / x / x
Ephitemia sorex / x
Ephitemia sp. / x
Eunotia sp.1 / x
Eunotia sp.2 / x
Fragilaria capuccina / x
Fragilaria sp.1 / x / x
Fragilaria sp.2 / x / x
Fragilaria sp.3 / x / x
Gomphonema clavatum / x
Gomphonema longiceps var. subclavatum / x
Gomphonema cf. parvulum / x / x
Gomphonema truncatum / x
Gomphonema sp. / x / x / x
Gyrosigma sp. / x
Halamphora dusenii / x
Halamphora veneta / x
Hantzchia amphioxys / x
Humidophila contenta / x
Humidophila tabellariaeformis / x
Luticola muticopsis / x
Luticola sp. / x
Navicula peregrina / x
Navicula viridula / x
Navicula sp.1 / x
Navicula sp.2 / x
Navicula sp.3 / x / x / x / x / x
Navicula sp.4 / x / x
Navicula sp.5 / x / x / x
Navicula sp.6 / x
Neidium sp. / x
Nitzschia cf. acicularis / x / x / x / x / x
Nitzschia cf. frustulum / x / x / x
Nitzschia inconspicua / x
Nitzschia intermedia / x
Nitzschia gracilis / x
Nitzschia cf. linearis / x
Nizschia cf. palea / x / x / x
Nitzschia paleacea / x
Nitzschia sigma / x
Nitzschia sp.1 / x / x / x
Nitzschia sp.2 / x / x / x
Nitzschia sp.3 / x
Nitzschia sp.4 / x / x / x / x / x
Nitzschia sp.2 / x
Nitzschia sp.5 / x / x / x / x
Nitzschia sp.6 / x
Pinnularia microstauron / x
Pinnularia viridiformis / x
Pinnularia sp. / x
Placoneis placentula / x
Planothidium frecuentissimum / x
Planothidium lanceolatum var. lanceolatum / x / x
Planothidium lanceolatum var. haynaldii / x
Psammothidium germainii / x
Pseudostaurosira brevistriata / x
Rhizosolenia longiseta / x / x
Stauroneis anceps fo. gracilis / x
Staurosira construens / x / x
Staurosira venter / x / x
Staurosirella leptostauron / x
Staurosirella aff. pinnata / x
Stenphanocyclus meneghiniana / x / x / x
Surirella robusta / x
Surirella sp. / x
Tabelaria tabulata / x
Ulnaria acus / x
Ulnaria ulna / x / x / x
Ulnaria sp. / x / x / x
Euglenophyceae
Euglena acus / x
Euglena oxyuris / x
Euglena spirogyra / x
Euglena variabilis / x
Euglena sp. / x / x
Lepocinclis ovum / x
Lepocinclis sp. / x / x
Phacus pseudonordstedtii / x
Phacus sp.1 / x
Phacus sp.2 / x
Phacus sp.3 / x
Strombomonas verrucosa / x
Trachelomonas intermedia / x
Trachelomonas cf. irregularis / x
Trachelomonas kellogii / x
Trachelomonas rugulosa / x
Trachelomonas volvocina / x
Dinophyceae
Peridinium sp.1 / x / x
Peridinium sp.2 / x
Peridinium sp.3 / x
Tribophyceae
Goniochloris sp. / x
Haptophyceae
Chrysocromulina parva / x
cf. Chrysocromulina / x / x / x
Haptophyceae n.i / x / x
Dictyochophyceae
cf. Pseudopedinella / x / x