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  Bacteria
    Negibacteria
      Cyanobacteria
            Cyanophyceae
                    Nostocales
                            Scytonemataceae
                                     Scytonematopsis
                                             Scytonematopsis crustacea
  Eubacteria
    Negibacteria
      Cyanobacteria
            Cyanophyceae
              Nostocophycideae
                    Nostocales
                            Scytonemataceae
                                     Arthrosiphon
                                             Arthrosiphon alatus
                                               Arthrosiphon alatus var. cirrosiphon
                                               Arthrosiphon alatus var. nodosus
                                             Arthrosiphon grevillei
                                               Arthrosiphon grevillei var. cirrosiphon
                                               Arthrosiphon grevillei var. nodosus
                                               Arthrosiphon grevillei var. plicatulus
                                     Brasilonema
                                             Brasilonema angustatum
                                             Brasilonema bromeliae
                                             Brasilonema epidendron
                                             Brasilonema octagenarum
                                             Brasilonema ornatum
                                             Brasilonema roberti-lamyi
                                                   [Tolypothrix roberti-lamyi]
                                             Brasilonema sennae
                                                   [Camptylonemopsis sennae]
                                             Brasilonema terrestre
                                             Brasilonema tolantongense
                                     Chakia
                                             Chakia calviformis
                                             Chakia ciliosa
                                     Croatella
                                             Croatella lithophila
                                     Desmonema
                                             Desmonema cirrhosum
                                             Desmonema dilleynii
                                             Desmonema floccosum
                                             Desmonema wrangelii
                                                   [Oscillatoria wrangelii]
                                                   [Thorea wrangelii]
                                                   Desmonema wrangelii f. majus
                                               Desmonema wrangelii var. minor
                                     Diplocolon
                                             Diplocolon codii
                                             Diplocolon heppii
                                     Drilosiphon
                                             Drilosiphon muscicola
                                     Eoplectonema
                                             Eoplectonema minimum
                                     Paraortonella
                                             Paraortonella getica
                                             Paraortonella richteri
                                     Petalonema
                                             Petalonema alatum
                                                   [Scytonema alatum]
                                               Petalonema alatum var. indicum
                                             Petalonema crassum
                                             Petalonema crustaceum
                                             Petalonema densum
                                                   [Arthrosiphon densus]
                                                   [Scytonema densum]
                                             Petalonema fluminalis
                                             Petalonema incrustans
                                             Petalonema involvens
                                                   [Symphyosiphon involvens]
                                               Petalonema involvens var. elongatum
                                               Petalonema involvens var. sierra-leonensis
                                             Petalonema pulchrum
                                                   [Scytonema pulchrum]
                                             Petalonema velutinum
                                                   [Scytonema velutinum]
                                     Scytonema
                                             Scytonema amplum
                                                   [Scytonema mirabile var. amplum]
                                                   Scytonema amplum f. hibernica
                                             Scytonema andradeana
                                             Scytonema arcangelii
                                             Scytonema austinii
                                             Scytonema azureum
                                             Scytonema badium
                                             Scytonema belizensis
                                             Scytonema bewsii
                                             Scytonema bivaginatum
                                             Scytonema bohneri
                                             Scytonema brandegeei
                                             Scytonema bruneum
                                             Scytonema burmanicum
                                             Scytonema calcicola
                                                   [Dasygloea calcicola]
                                             Scytonema caldarium
                                               Scytonema caldarium var. terrestre
                                             Scytonema calothrichoides
                                             Scytonema capitatum
                                             Scytonema carolinianum
                                             Scytonema catenatum
                                             Scytonema catenulum
                                             Scytonema chengii
                                             Scytonema chiastum
                                                   Scytonema chiastum f. minor
                                             Scytonema chorae
                                             Scytonema cincinnatum
                                             Scytonema cineraceum
                                             Scytonema claviformis
                                             Scytonema coactile
                                               Scytonema coactile var. minor
                                             Scytonema conardii
                                             Scytonema conchophilum
                                             Scytonema concinnum
                                             Scytonema consociatum
                                             Scytonema contortum
                                             Scytonema cookei
                                                   [Scytonema natans]
                                             Scytonema costaricensis
                                             Scytonema crassum
                                               Scytonema crassum var. indicum
                                             Scytonema crispum
                                                   [Lyngbya cincinnata]
                                                   [Oscillatoria crispa]
                                               Scytonema crispum subsp. minu
                                               Scytonema crispum var. aethiopicum
                                             Scytonema crustaceum
                                               Scytonema crustaceum var. incrustans
                                             Scytonema cuatrecasasii
                                             Scytonema dilatatum
                                                   Scytonema dilatatum f. major
                                             Scytonema drilosiphon
                                             Scytonema dubium
                                             Scytonema echeverriae
                                             Scytonema endolithicum
                                             Scytonema evanescens
                                             Scytonema fertilia
                                             Scytonema figuratum
                                             Scytonema flavoviride
                                             Scytonema flexuosum
                                             Scytonema foliicola
                                               Scytonema foliicola var. maius
                                             Scytonema fremyi
                                             Scytonema fritschii
                                             Scytonema geitleri
                                               Scytonema geitleri var. tenuis
                                             Scytonema gomontii
                                             Scytonema granulatum
                                             Scytonema guyanense
                                                   [Symphyosiphon guyanensis]
                                               Scytonema guyanense var. minus
                                               Scytonema guyanense var. prolifera
                                             Scytonema hamelinii
                                             Scytonema hansgirgii
                                             Scytonema hieronymi
                                             Scytonema hofmann-bangii
                                                   [Oscillatoria lucifuga]
                                                   [Symploca lucifuga]
                                             Scytonema hofmannii
                                                   [Scytonema hansgirgianum]
                                                   Scytonema hofmannii f. phormidioides
                                               Scytonema hofmannii var. calcicola
                                               Scytonema hofmannii var. crassa
                                               Scytonema hofmannii var. hansgirgianum
                                               Scytonema hofmannii var. symplocoides
                                             Scytonema holstii
                                             Scytonema hormocystum
                                             Scytonema hyalinum
                                             Scytonema inaequale
                                             Scytonema incrassatum
                                             Scytonema induratum
                                             Scytonema insigne
                                             Scytonema insulare
                                             Scytonema intermedium
                                             Scytonema intertextum
                                             Scytonema involvens
                                               Scytonema involvens var. elongatum
                                             Scytonema iyengari
                                             Scytonema javanicum
                                               Scytonema javanicum var. hawaiiense
                                             Scytonema julianum
                                                   [Drilosiphon julianus]
                                             Scytonema junipericola
                                             Scytonema keiense
                                             Scytonema kwangsiense
                                             Scytonema leprieurii
                                             Scytonema leptobasis
                                             Scytonema longiarticulatum
                                             Scytonema lyngbyoides
                                             Scytonema magnum
                                             Scytonema malaviyanense
                                             Scytonema masonianum
                                             Scytonema millei
                                               Scytonema millei var. maius
                                             Scytonema minus
                                             Scytonema mirabile
                                                   Scytonema mirabile f. minor
                                                   Scytonema mirabile f. zonata
                                               Scytonema mirabile var. rhaeticum
                                             Scytonema multiramosum
                                               Scytonema multiramosum var. ceylonica
                                             Scytonema myochrous
                                                   [Scytonema cataracta]
                                             Scytonema obscurum
                                               Scytonema obscurum var. terrestre
                                             Scytonema occidentale
                                             Scytonema ocellatum
                                                   [Conferva ocellata]
                                                   [Scytonema cinereum]
                                                   [Scytonema murale]
                                                   [Scytonema ocellatum f. minor]
                                               Scytonema ocellatum var. capitatum
                                               Scytonema ocellatum var. constrictum
                                               Scytonema ocellatum var. maius
                                               Scytonema ocellatum var. purpureum
                                             Scytonema olivaceum
                                             Scytonema orientale
                                             Scytonema papillicapitatum
                                             Scytonema papuasicum
                                             Scytonema parlatorii
                                             Scytonema parvulum
                                             Scytonema pascheri
                                             Scytonema pellucidum
                                             Scytonema planum
                                             Scytonema polycystum
                                               Scytonema polycystum var. aethiopicum
                                             Scytonema praegnans
                                             Scytonema pratii
                                             Scytonema pseudoguyanense
                                             Scytonema pseudohofmannii
                                             Scytonema pseudopunctatum
                                             Scytonema pulchellum
                                             Scytonema pulvinatum
                                             Scytonema punctatum
                                             Scytonema racovitzae
                                             Scytonema rhizophorae
                                             Scytonema rivulare
                                             Scytonema saleyeriense
                                               Scytonema saleyeriense var. indica
                                             Scytonema samoense
                                             Scytonema sanpaulense
                                             Scytonema schmidlei
                                                   [Scytonema tenuissimum]
                                             Scytonema schmidtii
                                             Scytonema seagriefianum
                                             Scytonema siculum
                                             Scytonema simmeri
                                             Scytonema simplex
                                             Scytonema sinense
                                             Scytonema spirulinoides
                                             Scytonema splendens
                                             Scytonema stuposum
                                             Scytonema stygium
                                             Scytonema subclavatum
                                             Scytonema subcoactile
                                               Scytonema subcoactile var. aurantiacum
                                             Scytonema subgelatinosum
                                             Scytonema subtile
                                             Scytonema tenellum
                                             Scytonema tenue
                                             Scytonema tolypothrichoides
                                             Scytonema tolypotrichoides
                                                   Scytonema tolypotrichoides f. terrestris
                                             Scytonema torulosum
                                             Scytonema turicense
                                               Scytonema turicense var. muscicola
                                             Scytonema twymanianum
                                             Scytonema variabile
                                             Scytonema varium
                                             Scytonema violascens
                                             Scytonema wolleanum
                                             Scytonema zellerianum
                                     Scytonematopsis
                                           [Setchelliella]
                                             Scytonematopsis ambigua
                                             Scytonematopsis calotrichoides
                                             Scytonematopsis contorta
                                             Scytonematopsis crustacea
                                             Scytonematopsis fuliginosa
                                                   [Scytonema fuliginosum]
                                                   [Setchelliella fuliginosa]
                                             Scytonematopsis ghazipurensis
                                             Scytonematopsis hydnoides
                                             Scytonematopsis incerta
                                             Scytonematopsis kashyapii
                                                   [Spelaeopogon kashyapii]
                                             Scytonematopsis maxima
                                             Scytonematopsis neocaledoniensis
                                             Scytonematopsis pilosa
                                                   [Calothrix pilosa]
                                                   [Setchelliella pilosa]
                                                   [Tildenia pilosa]
                                             Scytonematopsis starmachii
                                             Scytonematopsis variabilis
                                             Scytonematopsis woronichinii
                                     Tildenia
                                             Tildenia dura
                                                   [Calothrix dura]
                                                   [Setchelliella dura]
                                             Tildenia fuliginosa
                                               Tildenia fuliginosa var. symmetrica

Problematic Rooting (3331)
                                             Kyrtuthrix dalmatica
                                                   [Brachytrichia dalmatica]
                                                   Kyrtuthrix dalmatica f. epilithica
                                             Kyrtuthrix maculans
                                                   [Brachytrichia maculans]
                                             Kyrtuthrix sinensis