AlgaeBase Taxonomic Thesaurus
Taxon Search
Taxon:
Display authors
Match on whole words
Display full tree below family
Display species with subgenera
  Chromista
      Heterokontophyta
            Bacillariophyceae
                   [Bacillariophyta]
                    Naviculales
                            Pleurosigmataceae
                                     Arcuatasigma
                                             Arcuatasigma addu
                                             Arcuatasigma castracanense
                                             Arcuatasigma challengeriense
                                                   [Toxonidea challengeriensis]
                                             Arcuatasigma closterioides
                                                   [Gyrosigma closterioides]
                                                   [Gyrosigma prolongatum var. closterioides]
                                                   [Pleurosigma prolongatum var. closterioides]
                                     Carinasigma
                                             Carinasigma angustatum
                                                   [Donkinia angusta]
                                                   [Gyrosigma angustum]
                                                   [Pleurosigma angustum]
                                             Carinasigma latum
                                                   [Donkinia lata]
                                             Carinasigma minuta
                                                   [Donkinia minuta]
                                                   [Donkinia recta var. minuta]
                                                   [Pleurosigma minutum]
                                             Carinasigma rectum
                                                   [Donkinia recta]
                                                   [Pleurosigma rectum]
                                     Cochlearisigma
                                             Cochlearisigma falcatum
                                                   [Pleurosigma falcatum]
                                                   [Rhoicosigma falcatum]
                                                   [Toxonidea falcata]
                                               Cochlearisigma falcatum var. adriaticum
                                                     [Rhoicosigma adriaticum]
                                             Cochlearisigma incertum
                                                   [Rhoicosigma incertum]
                                             Cochlearisigma maroccanum
                                                   [Pleurosigma maroccanum]
                                                   [Rhoicosigma maroccanum]
                                             Cochlearisigma ohsinsinum
                                             Cochlearisigma weissflogii
                                                   [Rhoicosigma weissflogii]
                                     Costasigma
                                             Costasigma asiaticum
                                             Costasigma simmsiae
                                             Costasigma staurophorum
                                                   [Pleurosigma staurophorum]
                                     Donkinia
                                             Donkinia baltica
                                             Donkinia carinata
                                             Donkinia lipscombensis
                                             Donkinia reticulata
                                                   [Pleurosigma reticulatum]
                                     Gyrosigma
                                             Gyrosigma acuminatum
                                                   [Frustulia acuminata]
                                                   [Gyrosigma kuetzingii]
                                                   [Gyrosigma spenceri]
                                                   [Navicula acuminata]
                                                   [Navicula spenceri]
                                                   [Pleurosigma gracilentum]
                                                   [Pleurosigma kuetzingii]
                                                   [Pleurosigma spenceri var. kuetzingii]
                                                   [Sigmatella acuminata]
                                               Gyrosigma acuminatum var. brebissonii
                                                     [Pleurosigma brebissonii]
                                               Gyrosigma acuminatum var. curta
                                               Gyrosigma acuminatum var. cuspidatum
                                               Gyrosigma acuminatum var. gallica
                                                     [Pleurosigma scalprum var. gallica]
                                               Gyrosigma acuminatum var. lacustre
                                               Gyrosigma acuminatum var. scalprum
                                             Gyrosigma algoris
                                             Gyrosigma angulatum
                                             Gyrosigma arcticum
                                             Gyrosigma arcuatum
                                             Gyrosigma attenuatum
                                                   [Frustulia attenuata]
                                                   [Frustulia hippocampus]
                                                   [Gyrosigma attenuatum f. typica]
                                                   [Gyrosigma attenuatum var. hippocampus]
                                                   [Gyrosigma hippocampus]
                                                   [Navicula attenuata]
                                                   [Navicula hippocampus]
                                                   [Pleurosigma attenuatum var. hippocampus]
                                                   [Pleurosigma attenuatum]
                                                   [Pleurosigma hippocampus]
                                                   [Sigmatella attenuata]
                                             Gyrosigma balticum
                                                   [Navicula baltica]
                                               Gyrosigma balticum var. californica
                                               Gyrosigma balticum var. diminutum
                                             Gyrosigma beaufortianum
                                             Gyrosigma cali
                                             Gyrosigma californicum
                                                   [Pleurosigma balticum var. californicum]
                                             Gyrosigma coelophilum
                                             Gyrosigma compactum
                                             Gyrosigma concilians
                                                   [Amphiprora concilians]
                                             Gyrosigma decorum
                                             Gyrosigma diaphanum
                                             Gyrosigma diminutum
                                               Gyrosigma diminutum var. constrictum
                                             Gyrosigma dissimile
                                             Gyrosigma distortum
                                               Gyrosigma distortum var. diaphanum
                                               Gyrosigma distortum var. stauroneoides
                                                     [Pleurosigma parkeri var. stauroneoides]
                                               Gyrosigma distortum var. undulatum
                                             Gyrosigma diversitatum
                                             Gyrosigma elongatum
                                             Gyrosigma euhippus
                                             Gyrosigma evanescens
                                             Gyrosigma exilis
                                                   [Gyrosigma spenceri var. exilis]
                                                   [Pleurosigma spencerii var. exilis]
                                             Gyrosigma eximium
                                                   [Pleurosigma eximium]
                                                   [Schizonema eximium]
                                             Gyrosigma exoticum
                                             Gyrosigma exoticumoides
                                             Gyrosigma fasciola
                                                   [Ceratoneis fasciola]
                                                   [Pleurosigma fasciola]
                                               Gyrosigma fasciola var. arcuatum
                                               Gyrosigma fasciola var. prolongatum
                                               Gyrosigma fasciola var. sulcatum
                                                     [Pleurosigma sulcatum]
                                             Gyrosigma fogedii
                                             Gyrosigma fonticola
                                             Gyrosigma formosum
                                             Gyrosigma foxtonia
                                             Gyrosigma gibbyae
                                             Gyrosigma gondwana
                                             Gyrosigma hudsonii
                                             Gyrosigma hummii
                                             Gyrosigma intermedium
                                               Gyrosigma intermedium var. nubecula
                                             Gyrosigma lacustre
                                             Gyrosigma limosum
                                             Gyrosigma lineare
                                               Gyrosigma lineare var. longissimum
                                             Gyrosigma littorale
                                                   [Pleurosigma littorale]
                                             Gyrosigma macrum
                                                   [Pleurosigma fasciolum (fasciola) var. macrum]
                                                   [Pleurosigma macrum]
                                               Gyrosigma macrum var. minor
                                             Gyrosigma mediterraneum
                                                   [Rhoicosigma mediterraneum]
                                             Gyrosigma moresbyana
                                             Gyrosigma murphyi
                                             Gyrosigma nipkowii
                                             Gyrosigma nodiferum
                                                   [Gyrosigma spenceri var. nodifera]
                                                   [Gyrosigma spencerii var. nodifera]
                                                   [Pleurosigma nodiferum]
                                                   [Pleurosigma spenceri var. nodifera]
                                             Gyrosigma obliquum
                                                   [Gyrosigma scalproides var. obliqua]
                                                   [Pleurosigma balticum var. obliquum]
                                                   [Pleurosigma obliquum]
                                                   [Pleurosigma scalproides var. obliqua]
                                             Gyrosigma obscurum
                                                   [Pleurosigma obscurum]
                                             Gyrosigma obtusatum
                                                   [Pleurosigma obtusatum]
                                             Gyrosigma orbitum
                                             Gyrosigma parkeri
                                             Gyrosigma parvulum
                                             Gyrosigma peisone
                                                   [Pleurosigma peisone]
                                             Gyrosigma pensacolae
                                             Gyrosigma plagiostomum
                                             Gyrosigma prolongatum
                                                   [Pleurosigma prolongatum]
                                             Gyrosigma quadratum
                                             Gyrosigma rautenbachiae
                                             Gyrosigma recta
                                               Gyrosigma recta var. minuta
                                             Gyrosigma rectum
                                               Gyrosigma rectum var. minutum
                                             Gyrosigma reimeri
                                             Gyrosigma reversum
                                                   [Pleurosigma reversum]
                                             Gyrosigma rigidum
                                             Gyrosigma robustum
                                                   [Pleurosigma robustum]
                                             Gyrosigma scalproides
                                                   [Gyrosigma spenceri var. scalproides]
                                                   [Pleurosigma scalproides]
                                               Gyrosigma scalproides var. eximia
                                             Gyrosigma scalprum
                                                   [Cymbella scalprum]
                                                   [Gyrosigma attenuatum var. scalprum]
                                                   [Navicula scalprum]
                                                   [Pleurosigma attenuatum var. scalprum]
                                                   [Pleurosigma scalprum]
                                                   [Sigmatella scalprum]
                                             Gyrosigma schmidianum
                                             Gyrosigma sciotense
                                                   [Pleurosigma sciotense]
                                             Gyrosigma sciotoense
                                                   [Pleurosigma sciotoense]
                                             Gyrosigma simile
                                                   [Gyrosigma balticum var. similis]
                                                   [Pleurosigma simile]
                                             Gyrosigma sinense
                                             Gyrosigma speciosum
                                               Gyrosigma speciosum var. pulchrum
                                             Gyrosigma spectabile
                                                   [Pleurosigma spectabile]
                                             Gyrosigma spencerii
                                               Gyrosigma spencerii var. curvula
                                                     [Pleurosigma spencerii var. curvula]
                                             Gyrosigma sterrenburgii
                                             Gyrosigma stidolphii
                                             Gyrosigma strigilis
                                                   [Pleurosigma strigilis]
                                             Gyrosigma subsalina
                                             Gyrosigma subsalinum
                                             Gyrosigma subsalsum
                                             Gyrosigma subtile
                                             Gyrosigma temperei
                                                   [Gyrosigma quinnipiacii]
                                                   [Pleurosigma quininpiaceii]
                                                   [Pleurosigma temperei]
                                             Gyrosigma tenuirostrum
                                             Gyrosigma tenuissimum
                                                   [Pleurosigma tenuissimum]
                                             Gyrosigma terryanum
                                                   [Pleurosigma terryanum]
                                                   Gyrosigma terryanum f. fontanum
                                             Gyrosigma tubicolum
                                             Gyrosigma turgidum
                                                   [Gyrosigma balticum var. turgidum]
                                                   [Gyrosigma perthense]
                                             Gyrosigma virgata
                                             Gyrosigma vivax
                                             Gyrosigma waitangiana
                                             Gyrosigma wansbeckii
                                                   [Gyrosigma balticum var. wandsbeckii]
                                                   [Pleurosigma balticum var. wansbeckii]
                                                   [Pleurosigma wansbeckii]
                                               Gyrosigma wansbeckii var. minutum
                                             Gyrosigma wormleyi
                                                   [Gyrosigma distortum var. parkeri]
                                                   [Gyrosigma parkerii]
                                                   [Pleurosigma parkeri]
                                                   [Pleurosigma wormleyi]
                                     Hyalosigma
                                             Hyalosigma temniskovae-topalovae
                                     Pleurosigma
                                             Pleurosigma acuminatum
                                               Pleurosigma acuminatum var. brebissonii
                                             Pleurosigma acus
                                             Pleurosigma acutum
                                             Pleurosigma aestuarii
                                                   [Gyrosigma aestuarii]
                                                   [Navicula aestuarii]
                                                   [Pleurosigma angulatum var. aestuarii]
                                             Pleurosigma amara
                                             Pleurosigma amarum
                                             Pleurosigma angulatum
                                                   [Navicula angulata]
                                                   Pleurosigma angulatum f. major
                                               Pleurosigma angulatum var. quadratum
                                               Pleurosigma angulatum var. robustum
                                             Pleurosigma angusti-convexum
                                             Pleurosigma arcuatum
                                             Pleurosigma attentuatum
                                             Pleurosigma australe
                                             Pleurosigma balticum
                                               Pleurosigma balticum var. diminutum
                                             Pleurosigma barbadense
                                             Pleurosigma carinatum
                                             Pleurosigma chandolensis
                                             Pleurosigma clevei
                                               Pleurosigma clevei var. manitounukensis
                                               Pleurosigma clevei var. siberica
                                             Pleurosigma crookii
                                             Pleurosigma curiosum
                                             Pleurosigma curvulum
                                             Pleurosigma cuspidatum
                                                   [Pleurosigma lanceolatum var. cuspidatum]
                                               Pleurosigma cuspidatum var. rostratum
                                             Pleurosigma decorum
                                               Pleurosigma decorum var. quebecense
                                             Pleurosigma delicatulum
                                                   [Gyrosigma delicatulum]
                                                   [Pleurosigma angulatum var. delicatulum]
                                               Pleurosigma delicatulum var. gracile
                                             Pleurosigma densestriatum
                                             Pleurosigma diminutum
                                             Pleurosigma directum
                                             Pleurosigma distinguendum
                                             Pleurosigma distortum
                                               Pleurosigma distortum var. diaphanum
                                             Pleurosigma diversestriatum
                                                   [Pleurosigma aequatoriale]
                                             Pleurosigma elongatum
                                                   [Pleurosigma angulatum var. elongatum]
                                               Pleurosigma elongatum var. grossepunctatum
                                             Pleurosigma eudon
                                               Pleurosigma eudon var. kerguelense
                                             Pleurosigma fasciolum (fasciola)
                                             Pleurosigma finnmarchicum
                                                   [Pleurosigma angulatum var. finmarchicum]
                                             Pleurosigma fluviicygnorum
                                             Pleurosigma formosum
                                                   [Pleurosigma australicum]
                                                   [Pleurosigma tahitense]
                                               Pleurosigma formosum var. balearica
                                             Pleurosigma gracilitatis
                                             Pleurosigma gruendleri
                                             Pleurosigma guarreranum
                                             Pleurosigma ibericum
                                             Pleurosigma inscriptura
                                             Pleurosigma intermedium
                                                   [Pleurosigma intermedium var. nubecula]
                                                   [Pleurosigma nubecula var. intermedium]
                                                   [Pleurosigma nubecula]
                                               Pleurosigma intermedium var. mauritiana
                                                     [Pleurosigma nubecula var. mauritiana]
                                             Pleurosigma lacustre
                                             Pleurosigma lanceolatum
                                             Pleurosigma latum
                                             Pleurosigma longinum
                                             Pleurosigma longum
                                               Pleurosigma longum var. lanceolatum
                                               Pleurosigma longum var. subrigidum
                                             Pleurosigma macilentum
                                             Pleurosigma majus
                                                   [Pleurosigma speciosum var. major]
                                             Pleurosigma marinum
                                             Pleurosigma mariutense
                                             Pleurosigma naviculaceum
                                                   [Pleurosigma japonicum]
                                                   Pleurosigma naviculaceum f. minutum
                                             Pleurosigma nicobaricum
                                             Pleurosigma normanii
                                                   [Gyrosigma normanii]
                                                   [Pleurosigma affine]
                                             Pleurosigma paradoxum
                                             Pleurosigma perthense
                                             Pleurosigma planctonicum
                                             Pleurosigma praelongum
                                             Pleurosigma pulchrum
                                             Pleurosigma quadratum
                                             Pleurosigma rahlehense
                                             Pleurosigma rhombeum
                                             Pleurosigma rigidum
                                               Pleurosigma rigidum var. giganteum
                                                     [Pleurosigma giganteum]
                                             Pleurosigma rostratum
                                             Pleurosigma rushdyense
                                             Pleurosigma salinarum
                                                   [Pleurosigma angulatum f. salinarum]
                                                   [Pleurosigma delicatulum var. salinarum]
                                                   [Pleurosigma pusillum var. salinarum]
                                                   [Pleurosigma pusillum]
                                                   [Pleurosigma salinarum var. pusilla]
                                               Pleurosigma salinarum var. boyeri
                                                     [Pleurosigma boyeri]
                                             Pleurosigma scalpellum
                                             Pleurosigma siberica
                                               Pleurosigma siberica var. manitounukensis
                                             Pleurosigma simonsenii
                                             Pleurosigma sinensis
                                             Pleurosigma socotrensis
                                               Pleurosigma socotrensis var. pangeronii
                                                     [Cerataulus laevis var. pangeroni]
                                             Pleurosigma speciosum
                                             Pleurosigma spenceri
                                               Pleurosigma spenceri var. subsalina
                                             Pleurosigma spencerii
                                               Pleurosigma spencerii var. minor
                                             Pleurosigma spinulosum
                                             Pleurosigma sterrenburgii
                                             Pleurosigma stidolphii
                                             Pleurosigma strigosum
                                                   [Gyrosigma strigosum]
                                                   [Pleurosigma angulatum var. strigosum]
                                             Pleurosigma stuxbergii
                                             Pleurosigma subhyalinum
                                             Pleurosigma subrectum
                                             Pleurosigma subrigidum
                                             Pleurosigma subsalsum
                                             Pleurosigma subtilissimum
                                             Pleurosigma tenuiforme
                                             Pleurosigma transversale
                                               Pleurosigma transversale var. beta
                                             Pleurosigma williamsii
                                     Rhoicosigma
                                           [Achnanthosigma]
                                             Rhoicosigma arcticum
                                             Rhoicosigma compactum
                                                   [Donkinia compacta]
                                                   [Pleurosigma compactum]
                                             Rhoicosigma oceanicum
                                             Rhoicosigma reichardtianum
                                     Toxonidea
                                             Toxonidea gregoriana
                                             Toxonidea gregoryana
                                             Toxonidea insignis
                                               Toxonidea insignis var. undulata
                                             Toxonidea undulata

Problematic Rooting (3671)
                                             Achnanthosigma mereschkovskii