AlgaeBase Taxonomic Thesaurus
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  Chromista
      Heterokontophyta
            Bacillariophyceae
                   [Bacillariophyta]
                    Achnanthales
                            Achnanthidiaceae
                                     Astartiella
                                             Astartiella bahusensoides
                                                   [Navicula bahusiensoides]
                                             Astartiella bahusiensis
                                                   [Achnanthes bahusiensis]
                                                   [Navicula minuscula var. bahusiensis]
                                                   [Schizonema bahusiense]
                                             Astartiella bremeyeri
                                                   [Achnanthes bremeyeri]
                                               Astartiella bremeyeri var. rostrata
                                             Astartiella glacialis
                                             Astartiella ignota
                                                   [Achnanthes ignota]
                                             Astartiella iks
                                             Astartiella modica
                                                   [Achnanthes modica]
                                             Astartiella producta
                                             Astartiella punctifera
                                                   [Achnanthes punctifera]
                                                   [Achnanthes tenuis]
                                                   [Astartiella tenuis]
                                             Astartiella societatis
                                     Eucocconeis
                                             Eucocconeis alpestris
                                                   [Achnanthes alpestris]
                                             Eucocconeis aretasii
                                             Eucocconeis austriaca
                                             Eucocconeis calcar
                                             Eucocconeis depressa
                                             Eucocconeis diluviana
                                             Eucocconeis dorogostaisky
                                             Eucocconeis flexella
                                                   [Cymbella flexella]
                                               Eucocconeis flexella var. alpestris
                                             Eucocconeis laevis
                                             Eucocconeis lapponica
                                               Eucocconeis lapponica var. ninckei
                                                     [Achnanthes lapponica var. ninckei]
                                                     [Achnanthes ninckei]
                                             Eucocconeis leptostriata
                                             Eucocconeis lichunhaii
                                             Eucocconeis ninckei
                                             Eucocconeis onegensis
                                             Eucocconeis poretzkyi
                                               Eucocconeis poretzkyi var. gracilis
                                             Eucocconeis quadratarea
                                                   [Achnanthes laevis var. quadratarea]
                                                   [Cocconeis quadratarea]
                                     Karayevia
                                             Karayevia amoena
                                                   [Achnanthes amoena]
                                                   [Achnanthes orientalis]
                                                   [Achnanthes triconfusa]
                                                   [Kolbesia amoena]
                                             Karayevia bottnica
                                                   [Achnanthes bottnica]
                                                   [Achnanthes clevei var. bottnica]
                                                   [Actinoneis bottnica]
                                                   [Karayevia clevei var. bottnica]
                                             Karayevia carissima
                                                   [Achnanthes carissima]
                                             Karayevia clevei
                                                   [Achnanthidium clevei]
                                             Karayevia dornii
                                             Karayevia laterostrata
                                             Karayevia nitidiformis
                                                   [Kolbesia nitidiformis]
                                             Karayevia ploenensis
                                               Karayevia ploenensis var. woldstedtii
                                                     [Achnanthes ploenensis var. woldstedtii]
                                                     [Achnanthes woldstedtii]
                                                     [Kolbesia ploenensis var. woldstedtii]
                                             Karayevia submarina
                                                   [Achnanthes biceps]
                                                   [Achnanthes pseudobiceps]
                                                   [Achnanthes submarina]
                                             Karayevia suchlandtii
                                     Kolbesia
                                             Kolbesia gessneri
                                                   [Achnanthes gessneri]
                                                   [Achnanthes ploenensis var. gessneri]
                                                   [Achnanthes wickenensis]
                                                   [Karayevia ploenensis var. gessneri]
                                             Kolbesia kolbei
                                                   [Karayevia kolbei]
                                             Kolbesia ploenensis
                                                   [Achnanthes ploenensis]
                                               Kolbesia ploenensis var. gessneri
                                             Kolbesia suchlandtii
                                                   [Achnanthes lewisiana]
                                                   [Achnanthes suchlandtii var. robusta]
                                                   [Achnanthes suchlandtii]
                                                   [Cocconeis utermoehlii]
                                                   [Navicula fluviatilis]
                                     Lemnicola
                                             Lemnicola hungarica
                                                   [Achnanthidium hungaricum]
                                                   [Cocconeis hungarica]
                                               Lemnicola hungarica var. pusilla
                                     Planothidium
                                             Planothidium acidoclinatum
                                             Planothidium apiculatum
                                                   [Achnantheiopsis apiculata]
                                                   [Achnanthes lanceolata subsp. apiculata]
                                                   [Achnanthes lanceolata var. apiculata]
                                             Planothidium aueri
                                                   [Achnantheiopsis aueri]
                                                   [Achnanthes aueri]
                                             Planothidium aurerii
                                             Planothidium baicalense
                                                   [Achnanthes baicalensis]
                                             Planothidium biporomum
                                                   [Achnantheiopsis biporoma]
                                                   [Achnanthes biporoma]
                                                   [Achnanthes lanceolata subsp. biporoma]
                                                   [Achnanthidium biporomum]
                                             Planothidium borneolanceolatum
                                                   [Achnantheiopsis borneolanceolata]
                                                   [Achnanthes borneolanceolata]
                                             Planothidium calcar
                                             Planothidium campechianum
                                                   [Triceratium campechianum]
                                             Planothidium chilense
                                                   [Achnantheiopsis chilensis]
                                             Planothidium conspicuum
                                                   [Platessa conspicua]
                                             Planothidium cyclophorum
                                             Planothidium daui
                                                   [Achnantheiopsis daui]
                                             Planothidium delicatulum
                                                   [Achnantheiopsis delicatula]
                                             Planothidium densistriatum
                                             Planothidium deperditum
                                             Planothidium diplopunctatum
                                             Planothidium dispar
                                                   [Actinoneis dispar]
                                             Planothidium distinctum
                                                   [Achnantheiopsis distincta]
                                                   [Achnanthes distincta]
                                                   [Achnanthes hirta]
                                             Planothidium dubium
                                                   [Achnantheiopsis dubia]
                                                   [Achnanthes lanceolata f. dubia]
                                                   [Achnanthes lanceolata subsp. dubia]
                                                   [Achnanthes lanceolata var. dubia]
                                             Planothidium ellipticum
                                                   [Achnanthes lanceolata var. elliptica]
                                                   [Achnanthidium lanceolatum var. ellipticum]
                                                   [Planothidium lanceolatum var. elliptica]
                                             Planothidium engelbrechtii
                                             Planothidium fonticolanceolatum
                                                   [Achnantheiopsis fonticolanceolata]
                                                   [Achnanthes fonticolanceolata]
                                             Planothidium fossile
                                                   [Achnanthes peragalloi 'peragalli' var. fossilis]
                                             Planothidium fragilarioides
                                             Planothidium frequentissimum
                                                   [Achnantheiopsis frequentissima]
                                                   [Achnanthes lanceolata f. minuta]
                                                   [Achnanthes lanceolata subsp. frequentissima]
                                               Planothidium frequentissimum var. magnum
                                                     [Achnantheiopsis frequentissima var. magna]
                                                     [Achnanthes lanceolata var. magna]
                                                     [Achnanthes rostrata var. magna]
                                             Planothidium galaicum
                                             Planothidium granum
                                                   [Achnantheiopsis grana]
                                                   [Achnanthes grana]
                                             Planothidium hauckianum
                                                   [Achnantheiopsis hauckiana]
                                                   [Achnanthes delicatula subsp. hauckiana]
                                                   [Achnanthes fonticola]
                                                   [Achnanthes hauckiana var. elliptica]
                                                   [Achnanthidium hauckianum]
                                               Planothidium hauckianum var. rostratum
                                                     [Achnanthes delicatula var. rostrata]
                                                     [Achnanthes hauckiana var. rostrata]
                                                     [Planothidium hauckianum var. rostrata]
                                             Planothidium haukiana
                                             Planothidium haukianum
                                             Planothidium haynaldii
                                                   [Achnantheiopsis haynaldii]
                                                   [Achnanthes lanceolata var. haynaldii]
                                                   [Achnanthidium lanceolatum var. haynaldii]
                                                   [Planothidium lanceolatum var. haynaldii]
                                               Planothidium haynaldii var. elliptico-lanceolata
                                                     [Achnanthes lanceolata var. elliptico-lanceolata]
                                             Planothidium heidenii
                                             Planothidium heteromorphum
                                                   [Achnantheiopsis heteromorpha]
                                                   [Achnanthes heteromorpha]
                                                   [Actinoneis heteromorpha]
                                             Planothidium holstii
                                                   [Achnantheiopsis holstii]
                                             Planothidium hustedtii
                                             Planothidium incuriatum
                                             Planothidium infrequens
                                             Planothidium jacobii
                                             Planothidium jan-marcinii
                                                   [Achnanthes jan-marcinii]
                                             Planothidium joursacense
                                                   [Achnantheiopsis joursacense]
                                                   [Achnanthes joursacense]
                                             Planothidium lacustre
                                             Planothidium lanceolatum
                                                   [Achnantheiopsis lanceolata]
                                                   [Achnanthes lanceolata var. ventricosa]
                                                   [Achnanthidium lanceolatum var. inflatum]
                                                   [Achnanthidium lanceolatum var. ventricosum]
                                                   [Planothidium lanceolatum f. ventricosa]
                                               Planothidium lanceolatum var. bimaculatum
                                               Planothidium lanceolatum var. genuinum
                                                     [Achnanthidium lanceolatum var. genuinum]
                                               Planothidium lanceolatum var. omissum
                                                     [Achnanthes lanceolata var. omissa]
                                             Planothidium lemmermannii
                                             Planothidium lilljeborgei
                                                   [Achnanthes lilljeborgei]
                                             Planothidium linkei
                                                   [Achnantheiopsis linkei]
                                                   [Achnanthes haynaldii var. linkei]
                                                   [Achnanthes linkei var. rostrata]
                                                   [Achnanthes pictii]
                                             Planothidium magnificum
                                                   [Achnantheiopsis magnifica]
                                                   [Achnanthes magnifica]
                                             Planothidium marginostriatum
                                             Planothidium marinum
                                                   [Achnantheiopsis marina]
                                                   [Achnanthes marina]
                                             Planothidium minutissimum
                                                   [Achnantheiopsis minutissima]
                                                   [Achnanthes lanceolata var. minutissima]
                                             Planothidium miotum
                                                   [Achnantheiopsis miota]
                                                   [Achnanthes miota]
                                             Planothidium neglectum
                                             Planothidium oculatum
                                             Planothidium oestrupii
                                                   [Achnantheiopsis oestrupii]
                                                   [Achnanthes lanceolata var. oestrupii]
                                             Planothidium peragalloi
                                                   [Achnantheiopsis peragalli]
                                               Planothidium peragalloi var. fossilum
                                               Planothidium peragalloi var. parvulum
                                             Planothidium pericavum
                                                   [Achnantheiopsis pericava]
                                                   [Achnanthes pericava]
                                             Planothidium polaris
                                             Planothidium pseudotanense
                                                   [Achnantheiopsis pseudotanensis]
                                                   [Achnanthes pseudotanensis]
                                             Planothidium pungens
                                                   [Achnantheiopsis pungens]
                                                   [Achnanthes elliptica var. pungens]
                                                   [Achnanthes oestrupii var. pungens]
                                             Planothidium quadripunctatum
                                             Planothidium quarnerensis
                                             Planothidium reichardtii
                                             Planothidium renei
                                             Planothidium rhombicuneatum
                                             Planothidium robustum
                                                   [Achnantheiopsis robusta]
                                                   [Achnanthes delicatula var. robusta]
                                             Planothidium rostratum
                                                   [Achnantheiopsis rostrata]
                                                   [Achnanthes haynaldii var. borussica]
                                                   [Achnanthes lanceolata f. rostrata]
                                                   [Achnanthes lanceolata subsp. rostrata]
                                                   [Achnanthes rostrata]
                                             Planothidium rostrolanceolatum
                                             Planothidium salvadorianum
                                                   [Achnantheiopsis salvadoriana]
                                                   [Achnanthes salvadoriana]
                                             Planothidium schwabei
                                                   [Achnanthes holstii var. schwabei]
                                                   [Achnanthes schwabei]
                                             Planothidium septentrionale
                                                   [Achnantheiopsis septentrionalis]
                                             Planothidium septentrionalis
                                                   [Achnanthes septenrionalis]
                                             Planothidium slupskii
                                             Planothidium stewartii
                                                   [Achnanthes stewartii]
                                             Planothidium subantarcticum
                                             Planothidium victori
                                     Psammothidium
                                             Psammothidium abundans
                                             Psammothidium acidoclinatum
                                             Psammothidium alpinum
                                             Psammothidium altaicum
                                             Psammothidium atalanta
                                                   [Achnanthes atalanta]
                                             Psammothidium bristolicum
                                             Psammothidium broenlundense
                                                   [Achnanthes broenlundensis]
                                             Psammothidium buccolum
                                             Psammothidium buccula
                                             Psammothidium confusiforme
                                             Psammothidium confusum
                                               Psammothidium confusum var. atomoides
                                                     [Achnanthes confusa var. atomoidas]
                                             Psammothidium curtissimum
                                                   [Achnanthes curtissima]
                                             Psammothidium frigidum
                                             Psammothidium germainii
                                             Psammothidium grischunum
                                                   [Achnanthes grischuna]
                                                   Psammothidium grischunum f. daonense
                                             Psammothidium grishunum
                                             Psammothidium hustedtii
                                                   [Achnanthes hustedtii]
                                                   [Achnanthes krasskei]
                                                   [Cocconeis hustedtii]
                                                   [Platessa hustedtii]
                                             Psammothidium incognitum
                                             Psammothidium investians
                                             Psammothidium investiens
                                             Psammothidium kryophilum
                                             Psammothidium kuelbsii
                                             Psammothidium lacus
                                             Psammothidium lacustre
                                             Psammothidium lacusvulcani
                                                   [Achnanthes lacusvulcani]
                                             Psammothidium laurenbergianum
                                             Psammothidium levanderi
                                                   [Achnanthes levanderi]
                                                   [Achnanthidium levanderi]
                                             Psammothidium manguinii
                                             Psammothidium montanum
                                             Psammothidium nivale
                                             Psammothidium oblongellum
                                                   [Achnanthes oblongella]
                                                   [Karayevia oblongella]
                                             Psammothidium papilio
                                                   [Navicula papilio]
                                             Psammothidium perpusillum
                                                   [Achnanthes perpusilla]
                                                   [Pinnularia perpusilla]
                                             Psammothidium pseudoinvestians
                                             Psammothidium pseudoswazi
                                                   [Achnanthes pseudoswazi]
                                                   [Achnanthes swazi]
                                             Psammothidium punctulatum
                                             Psammothidium rechtensis
                                             Psammothidium reversum
                                             Psammothidium rossii
                                                   [Achnanthes rossii]
                                             Psammothidium sacculum
                                             Psammothidium sacculus
                                             Psammothidium scoticum
                                             Psammothidium semiapertum
                                                   [Achnanthes hintzii]
                                                   [Cocconeis semiaperta]
                                             Psammothidium stauroneioides
                                             Psammothidium stauroneioidum
                                             Psammothidium strenzkei
                                             Psammothidium therezienii
                                                   [Cocconeis therezienii]
                                             Psammothidium ventrale
                                             Psammothidium vernadskyi
                                     Rossithidium
                                             Rossithidium archibaldianum
                                                   [Achnanthes archibaldiana]
                                                   [Achnanthidium archibaldianum]
                                             Rossithidium duthiei
                                                   [Achnanthes duthiei]
                                             Rossithidium linearis
                                                   [Achnanthidium lineare]
                                                   [Cocconeis linearis]
                                             Rossithidium nodosum
                                                   [Achnanthes nodosa]
                                             Rossithidium petersenii
                                                   [Achnanthes petersenii]
                                             Rossithidium pusillum

Problematic Rooting (3670)
                                             Achnanthidium affine
                                                   [Achnanthes minutissima var. affinis]
                                                   [Achnanthidium minutissimum var. affinis]
                                                   [Actinoneis affinis]
                                             Achnanthidium agardhii
                                             Achnanthidium alpestre
                                             Achnanthidium alteragracillimum
                                                   [Achnanthes alteragracillima]
                                             Achnanthidium arcticum
                                             Achnanthidium arcus
                                                   [Achnanthes arcus]
                                             Achnanthidium atomoides
                                             Achnanthidium atomus
                                             Achnanthidium baldjikii
                                             Achnanthidium bioretii
                                                   [Achnanthes bioretii]
                                                   [Navicula rotaeana var. excentrica]
                                                   [Navicula vanheurckii]
                                                   [Psammothidium bioretii]
                                             Achnanthidium blancheanum
                                                   [Achnanthes blancheana]
                                             Achnanthidium brevipes
                                               Achnanthidium brevipes var. biareolatum
                                               Achnanthidium brevipes var. intermedia
                                               Achnanthidium brevipes var. tumidulum
                                             Achnanthidium caledonicum
                                                   [Achnanthes caledonica]
                                                   [Achnanthes microcephala f. scotica]
                                                   [Achnanthes minutissima var. scotica]
                                                   [Achnanthidium minutissimum var. scoticum]
                                             Achnanthidium catenatum
                                                   [Achnanthes catenata]
                                             Achnanthidium coarctatum
                                               Achnanthidium coarctatum var. coarctata
                                               Achnanthidium coarctatum var. elineatum
                                               Achnanthidium coarctatum var. otrantinum
                                             Achnanthidium cocconeiformis
                                             Achnanthidium contractum
                                             Achnanthidium contrarea
                                                   [Achnanthes contrarea]
                                             Achnanthidium convergens
                                             Achnanthidium crassum
                                             Achnanthidium cryptocephalum
                                             Achnanthidium danicum
                                             Achnanthidium daonense
                                                   [Achnanthes daonensis]
                                                   [Psammothidium daonense]
                                                   [Psammothidium grischunum f. daonensis]
                                             Achnanthidium deflexum
                                             Achnanthidium delicatulum
                                                   Achnanthidium delicatulum f. angustatum
                                             Achnanthidium delmontii
                                             Achnanthidium dolomiticum
                                             Achnanthidium duthii
                                             Achnanthidium elineatum
                                             Achnanthidium eutrophila
                                                   [Achnanthes eutrophila]
                                             Achnanthidium exiguum
                                               Achnanthidium exiguum var. constrictum
                                               Achnanthidium exiguum var. ellipticum
                                               Achnanthidium exiguum var. heterovalvum
                                                     [Achnanthes exigua var. heterovalvata]
                                                     [Achnanthes heterovalvata]
                                             Achnanthidium exile
                                             Achnanthidium flexellum
                                                   Achnanthidium flexellum f. minutum
                                             Achnanthidium fulla
                                                   [Achnanthes fulla]
                                             Achnanthidium gracillimum
                                                   [Achnanthes microcephala var. gracillima]
                                             Achnanthidium hauckii
                                             Achnanthidium helveticum
                                                   [Achnanthes austriaca var. helvetica]
                                                   [Psammothidium helveticum]
                                             Achnanthidium indicatrix
                                                   [Achnanthes indicatrix]
                                             Achnanthidium jackii
                                                   [Achnanthes minutissima var. robusta]
                                             Achnanthidium japonicum
                                             Achnanthidium kenyae
                                                   [Achnanthes kenyae]
                                             Achnanthidium koghisense
                                                   [Achnanthes koghisensis]
                                                   Achnanthidium koghisense f. angustifasciatum
                                                         [Achnanthes koghisensis f. angustifasciata]
                                             Achnanthidium kranzii
                                                   [Achnanthes kranzii]
                                             Achnanthidium kriegeri
                                                   [Achnanthes kriegeri]
                                             Achnanthidium kryophila
                                             Achnanthidium lanceolatum
                                               Achnanthidium lanceolatum var. capitata
                                               Achnanthidium lanceolatum var. conspicuum
                                               Achnanthidium lanceolatum var. minimum
                                               Achnanthidium lanceolatum var. rhomboidale
                                               Achnanthidium lanceolatum var. rhomboidealis
                                               Achnanthidium lanceolatum var. rusticum
                                             Achnanthidium lancoolatum
                                               Achnanthidium lancoolatum var. minimum
                                             Achnanthidium lapidosum
                                             Achnanthidium latecephalum
                                             Achnanthidium lauenburgianum
                                                   [Achnanthes lauenburgiana]
                                                   [Psammothidium lauenburgianaum]
                                             Achnanthidium linearioides
                                                   [Achnanthes linearioides]
                                             Achnanthidium lyra
                                             Achnanthidium macrocephalum
                                             Achnanthidium maximum
                                             Achnanthidium metaffine
                                                   [Achnanthes metaffinis]
                                                   [Achnanthes pseudoaffinis var. capitata]
                                             Achnanthidium minutissimum
                                                   [Achnanthes cryptocephala]
                                                   [Achnanthes microcephala]
                                                   [Achnanthes minutissima f. curta]
                                                   [Achnanthes minutissima var. cryptocephala]
                                                   [Achnanthidium lanceolatum f. minutissima]
                                                   [Achnanthidium microcephalum]
                                                   [Cocconeis microcephala]
                                                   [Cocconeis minutissima]
                                                   [Schizonema microcephalum]
                                               Achnanthidium minutissimum var. gracillima
                                               Achnanthidium minutissimum var. jackii
                                                     [Achnanthes biasolettiana var. jackii]
                                                     [Achnanthes jackii]
                                                     [Achnanthes linearis var. jackii]
                                                     [Achnanthes minutissima var. jackii]
                                             Achnanthidium minutum
                                                   [Achnanthes minuta]
                                                   [Eucocconeis minuta]
                                             Achnanthidium modestiforme
                                             Achnanthidium naviculoides
                                             Achnanthidium neglectum
                                             Achnanthidium neomicrocephalum
                                             Achnanthidium obliquum
                                             Achnanthidium obtusum
                                             Achnanthidium otrantinum
                                             Achnanthidium palmeti
                                             Achnanthidium peridotiticum
                                                   [Achnanthes peridotitica]
                                             Achnanthidium peruvianum
                                             Achnanthidium pfisteri
                                             Achnanthidium pirogueanum
                                             Achnanthidium pusillum
                                             Achnanthidium pyrenaicum
                                                   [Achnanthes minutissima var. pyrenaica]
                                                   [Achnanthes pyrenaica]
                                                   [Achnanthidium biasolettianum]
                                                   [Synedra biasolettiana]
                                             Achnanthidium rivulare
                                             Achnanthidium rosenstockii
                                                   [Achnanthes didyma f. gibbosa]
                                                   [Psammothidium abundans f. rosenstockii]
                                                   [Psammothidium rosenstockii]
                                             Achnanthidium rostratum
                                             Achnanthidium saprophila
                                             Achnanthidium saprophilum
                                                   [Achnanthes minutissima var. saprophila]
                                             Achnanthidium semiaperta
                                             Achnanthidium semiapertum
                                             Achnanthidium straubianum
                                                   [Achnanthes straubiana]
                                             Achnanthidium strictum
                                             Achnanthidium subatomoides
                                                   [Achnanthes detha]
                                                   [Achnanthes kryophila var. africana]
                                                   [Achnanthes occulta]
                                                   [Achnanthes subatomoides]
                                                   [Navicula subatomoides]
                                                   [Navicula utermoehli var. subatomoides]
                                                   [Psammothidium subatomoides]
                                             Achnanthidium subatomus
                                                   [Achnanthes subatomus]
                                             Achnanthidium subhudsonis
                                             Achnanthidium subhungaricum
                                             Achnanthidium subsalsum
                                                   [Achnanthes subsalsa]
                                             Achnanthidium subsessile
                                             Achnanthidium tenera
                                             Achnanthidium thermale
                                                   [Achnanthes gibberula]
                                                   [Cocconeis gibberula var. angustior]
                                             Achnanthidium trinode
                                             Achnanthidium trinodis
                                             Achnanthidium undulatum
                                             Achnanthidium woltereckii
                                             Achnanthidium zhakovschikovii