DiatomBase
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Achnanthes affinis Grunow, 1880 accepted as Achnanthidium affine (Grunow) Czarnecki, 1994 accepted as Achnanthes affinis var. affinis Grunow in Cleve & Grunow, 1880 (source of synonymy)
Achnanthes biasolettiana Grunow, 1880 accepted as Achnanthidium pyrenaicum (Hustedt) H.Kobayasi, 1997 accepted as Achnanthes pyrenaica var. pyrenaica Hustedt, 1939 (basis of record)
Achnanthes biasolettiana Grunow, 1880 accepted as Achnanthidium pyrenaicum (Hustedt) H.Kobayasi, 1997 accepted as Achnanthes pyrenaica var. pyrenaica Hustedt, 1939 (source of synonymy)
Achnanthes bottnica (Cleve) Cleve, 1895 accepted as Achnanthes clevei var. bottnica Cleve, 1891 (basis of record)
Achnanthes brevipes C.Agardh, 1824 (additional source)
Achnanthes brevipes var. brevipes Agardh, 1824 (additional source)
Achnanthes brevipes var. intermedia (Kützing) Cleve, 1895 accepted as Achnanthes intermedia Kützing, 1833 (additional source)
Achnanthes brevipes var. parvula (Kützing) Cleve, 1895 accepted as Achnanthes parvula Kützing, 1844 (additional source)
Achnanthes clevei Grunow, 1880 accepted as Karayevia clevei (Grunow) Round & Bukhtiyarova, 1999 (additional source)
Achnanthes clevei var. bottnica Cleve, 1891 (basis of record)
Achnanthes clevei var. bottnica Cleve, 1891 (source of synonymy)
Achnanthes conspicua A.Mayer, 1919 accepted as Planothidium conspicuum (A.Mayer) M.Aboal, 2003 accepted as Achnanthes conspicua var. conspicua A.Mayer, 1919 (additional source)
Achnanthes delicatula (Kützing) Grunow in Cleve & Grunow, 1880 accepted as Planothidium delicatulum (Kützing) Round & Bukhtiyarova, 1996 accepted as Achnanthidium delicatulum f. delicatulum Kützing, 1844 (additional source)
Achnanthes delicatula subsp. delicatula accepted as Planothidium delicatulum (Kützing) Round & Bukhtiyarova, 1996 accepted as Achnanthidium delicatulum f. delicatulum Kützing, 1844 (basis of record)
Achnanthes delicatula subsp. hauckiana (Grunow) Lange-Bertalot & Ruppel, 1980 accepted as Planothidium hauckianum (Grunow) Round & Bukhtiyarova, 1996 (additional source)
Achnanthes dispar Cleve, 1891 accepted as Planothidium dispar (Cleve) Witkowski, Lange-Bertalot & Metzeltin, 2000 accepted as Achnanthes dispar var. dispar Cleve, 1891 (basis of record)
Achnanthes exigua Grunow, 1880 (additional source)
Achnanthes exigua var. constricta (Grunow) Hustedt, 1921 accepted as Achnanthes exigua Grunow, 1880 (basis of record)
Achnanthes exigua var. heterovalva Krasske, 1923 accepted as Achnanthidium exiguum var. heterovalvum (G.Krasske) D.B.Czarnecki, 1994 accepted as Achnanthes exigua f. heterovalvata Krasske, 1923 (basis of record)
Achnanthes flexella (Kützing) Brun, 1880 accepted as Eucocconeis flexella (Kützing) Meister, 1912 accepted as Cymbella flexella Kützing, 1844 (basis of record)
Achnanthes gibberula Grunow, 1880 accepted as Crenotia gibberula (Grunow) Wojtal (basis of record)
Achnanthes gibberula Grunow, 1880 accepted as Crenotia gibberula (Grunow) Wojtal (source of synonymy)
Achnanthes grimmei Krasske, 1925 accepted as Crenotia grimmei (Krasske) Wojtal (basis of record)
Achnanthes grimmei Krasske, 1925 accepted as Crenotia grimmei (Krasske) Wojtal (source of synonymy)
Achnanthes grubei Simonsen, 1987 (basis of record)
Achnanthes grubei Simonsen, 1987 (source of synonymy)
Achnanthes hauckiana Grunow, 1880 (additional source)
Achnanthes hungarica (Grunow) Grunow, 1880 accepted as Lemnicola hungarica (Grunow) F.E.Round & P.W.Basson, 1997 accepted as Achnanthidium hungaricum Grunow, 1863 (additional source)
Achnanthes hyperborea (Grunow) Grunow, 1884 (basis of record)
Achnanthes hyperborea (Grunow) Grunow, 1884 (source of synonymy)
Achnanthes intermedia Kützing, 1833 (additional source)
Achnanthes laevis Østrup, 1910 (basis of record)
Achnanthes lanceolata (Brébisson ex Kützing) Grunow, 1880 accepted as Planothidium lanceolatum (Brébisson ex Kützing) Bukhtiyarova, 1999 (additional source)
Achnanthes lanceolata subsp. dubia (Grunow) Lange-Bertalot, 1991 accepted as Planothidium dubium (Grunow) Round & Bukhtiyarova, 1996 (basis of record)
Achnanthes lanceolata subsp. lanceolata accepted as Planothidium lanceolatum (Brébisson ex Kützing) Bukhtiyarova, 1999 (basis of record)
Achnanthes lanceolata subsp. lanceolata var. elliptica P.T. Cleve, 1891 accepted as Planothidium ellipticum (Cleve) Round & Bukhtiyarova, 1996 (basis of record)
Achnanthes lanceolata subsp. lanceolata var. lanceolata accepted as Planothidium lanceolatum (Brébisson ex Kützing) Bukhtiyarova, 1999 (basis of record)
Achnanthes lanceolata var. dubia Grunow, 1880 (additional source)
Achnanthes lanceolata var. rostrata Hustedt, 1911 accepted as Planothidium rostratoholarcticum Lange-Bertalot & Bąk in Bąk & Lange-Bertalot, 2014 (additional source)
Achnanthes lapponica (Hustedt) Hustedt, 1933 accepted as Eucocconeis quadratarea (Østrup) Lange-Bertalot, 1999 (source of synonymy)
Achnanthes latissima Cleve-Euler, 1915 (additional source)
Achnanthes lemmermannii Hustedt, 1933 (additional source)
Achnanthes levanderi Hustedt, 1933 accepted as Psammothidium levanderi (Hustedt) L.Bukhtiyarova & Round, 1996 accepted as Achnanthes levanderi var. levanderi Hustedt, 1933 (basis of record)
Achnanthes linearis (W.Smith) Grunow, 1880 accepted as Achnanthidium lineare W.Smith, 1855 (basis of record)
Achnanthes linearis var. pusilla Grunow, 1880 accepted as Achnanthes pusilla Grunow in Cleve & Grunow, 1880 (basis of record)
Achnanthes linearis var. pusilla Grunow, 1880 accepted as Achnanthes pusilla Grunow in Cleve & Grunow, 1880 (source of synonymy)
Achnanthes longipes C.Agardh, 1824 (additional source)
Achnanthes microcephala (Kützing) Grunow, 1880 accepted as Achnanthidium microcephalum Kützing, 1844 (source of synonymy)
Achnanthes minuscula Hustedt, 1945 (basis of record)
Achnanthes minutissima Kützing, 1833 (basis of record)
Achnanthes minutissima var. cryptocephala Grunow, 1880 (basis of record)
Achnanthes minutissima var. cryptocephala Grunow, 1880 (source of synonymy)
Achnanthes oblongella Østrup, 1902 (basis of record)
Achnanthes parvula Kützing, 1844 (additional source)
Achnanthes peragalli Brun & Héribaud-Joseph, 1893 accepted as Skabitschewskia peragalli (Brun & Heribaud) Kulikovskiy & Lange-Bertalot, 2015 (basis of record)
Achnanthes petersenii Hustedt, 1937 (basis of record)
Achnanthes pusilla Grunow in Cleve & Grunow, 1880 (basis of record)
Achnanthes rosenstockii Lange-Bertalot, 1989 (basis of record)
Achnanthes rostrata Oestrup, 1902 (basis of record)
Achnanthes saxonica Krasske ex Hustedt, 1933 (additional source)
Achnanthes subsalsa J.B.Petersen, 1928 (basis of record)
Achnanthes subsalsoides Hustedt, 1933 (basis of record)
Achnanthes subsalsoides Hustedt, 1933 (source of synonymy)
Achnanthes suchlandtii Hustedt, 1933 accepted as Karayevia suchlandtii (Hustedt) Buktiyarova, 1999 accepted as Achnanthes suchlandtii var. suchlandtii Hustedt, 1933 (basis of record)
Achnanthes taeniata Grunow, 1880 accepted as Pauliella taeniata (Grunow) F.E.Round & P.W.Basson, 1997 (additional source)
Achnanthes taeniata var. hyperborea Grunow, 1878 accepted as Achnanthes hyperborea (Grunow) Grunow, 1884 (basis of record)
Achnanthes taeniata var. hyperborea Grunow, 1878 accepted as Achnanthes hyperborea (Grunow) Grunow, 1884 (source of synonymy)
Achnanthes thermalis (Rabenhorst) Schoenfeld, 1907 accepted as Achnanthidium thermale Rabenhorst, 1864 accepted as Crenotia thermalis (Rabenhorst) Wojtal (basis of record)
Achnanthidium F.T. Kützing, 1844 (additional source)
Achnanthidium clevei (Grunow) D.B.Czarnecki, 1995 accepted as Achnanthes clevei var. clevei Grunow, 1880 (basis of record)
Achnanthidium clevei (Grunow) D.B.Czarnecki, 1995 accepted as Achnanthes clevei var. clevei Grunow, 1880 (source of synonymy)
Achnanthidium delicatulum Kützing, 1844 accepted as Planothidium delicatulum (Kützing) Round & Bukhtiyarova, 1996 accepted as Achnanthidium delicatulum f. delicatulum Kützing, 1844 (basis of record)
Achnanthidium delicatulum Kützing, 1844 accepted as Planothidium delicatulum (Kützing) Round & Bukhtiyarova, 1996 accepted as Achnanthidium delicatulum f. delicatulum Kützing, 1844 (source of synonymy)
Achnanthidium lanceolatum Brébisson ex Kützing, 1846 accepted as Planothidium lanceolatum (Brébisson ex Kützing) Bukhtiyarova, 1999 (basis of record)
Achnanthidium lineare W.Smith, 1855 (basis of record)
Achnanthidium microcephalum Kützing, 1844 (basis of record)
Achnanthidium minutissimum (Kützing) Czarnecki, 1994 accepted as Achnanthes minutissima var. minutissima Kützing, 1833 (basis of record)
Achnanthidium thermale Rabenhorst, 1864 accepted as Crenotia thermalis (Rabenhorst) Wojtal (basis of record)
Achnanthidium thermale Rabenhorst, 1864 accepted as Crenotia thermalis (Rabenhorst) Wojtal (source of synonymy)
Actinocyclus C.G. Ehrenberg, 1837 (additional source)
Actinocyclus crassus (W.Smith) Ralfs ex Pritchard, 1861 accepted as Eupodiscus crassus W.Smith, 1853 (basis of record)
Actinocyclus crassus (W.Smith) Ralfs ex Pritchard, 1861 accepted as Eupodiscus crassus W.Smith, 1853 (source of synonymy)
Actinocyclus ehrenbergii Ralfs, 1861 (source of synonymy)
Actinocyclus ehrenbergii var. crassa (W. Smith) Hustedt, 1929 accepted as Eupodiscus crassus W.Smith, 1853 (basis of record)
Actinocyclus ehrenbergii var. crassa (W. Smith) Hustedt, 1929 accepted as Eupodiscus crassus W.Smith, 1853 (source of synonymy)
Actinocyclus ehrenbergii var. ralfsii (W.Smith) Hustedt, 1929 accepted as Eupodiscus ralfsii var. ralfsii W. Smith, 1856 (source of synonymy)
Actinocyclus ehrenbergii var. sparsa (Gregory) Hustedt, 1929 accepted as Eupodiscus sparsus Gregory, 1857 (basis of record)
Actinocyclus ehrenbergii var. sparsa (Gregory) Hustedt, 1929 accepted as Eupodiscus sparsus Gregory, 1857 (source of synonymy)
Actinocyclus ehrenbergii var. tenella (Brébisson) Hustedt, 1929 accepted as Eupodiscus tenellus Brébisson, 1854 (basis of record)
Actinocyclus ehrenbergii var. tenella (Brébisson) Hustedt, 1929 accepted as Eupodiscus tenellus Brébisson, 1854 (source of synonymy)
Actinocyclus kützingii (A.Schmidt) Simonsen (additional source)
Actinocyclus normanii (Gregory) Hustedt, 1957 (additional source)
Actinocyclus normanii f. normanii (W. Gregory) Hustedt, 1957 accepted as Coscinodiscus normanii Gregory ex Greville, 1859 (basis of record)
Actinocyclus normanii f. subsalsus (Juhlin-Dannfelt) Hustedt (additional source)
Actinocyclus octonarius Ehrenberg, 1837 accepted as Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (additional source)
Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (basis of record)
Actinocyclus octonarius var. ralfsii (W.Smith) Hendey, 1954 accepted as Eupodiscus ralfsii var. ralfsii W. Smith, 1856 (additional source)
Actinocyclus octonarius var. sparsus (Gregory) Hendey, 1954 accepted as Eupodiscus sparsus Gregory, 1857 (additional source)
Actinocyclus octonarius var. tenellus (Brébisson) Hendey, 1954 accepted as Eupodiscus tenellus Brébisson, 1854 (additional source)
Greville, 1865 in Hällfors (2004) [details]
(Hornemann) Brébisson, 1838 in Hällfors (2004). [details]
(Gregory) Grunow in Van Heurck, 1880 in Hällfors (2004) [details]
Navicula lanceolata (Kützing) Van Heurck, 1885 is considered as a synonym of Navicula phyllepta Nec Navicula ... [details]
(Nitzsch) W. Smith 1853 in Hällfors (2004) [details]
Grunow in Cleve & Grunow, 1880 in Hällfors (2004) [details]
(Kützing) Grunow,1862 in Hällfors (2004) [details]
(Gregory) Kuntze, 1898 in Hällfors (2004) [details]
Mentioned as Bailey, 1856 in Hällfors (2004) [details]
(Kützing) Hustedt, 1932 in Hällfors (2004). [details]
Identified as Achnanthes brevipes variety parvula in Hällfors (2004) [details]
The authors are uncertain about the variety [details]
Referred to as Biddulphia rhombus variety trigona Cleve ex Van Heurck, 1882, and as Biddulphia rhombus forma ... [details]
The authors are uncertain about the variety [details]
According to Hällfors,Cyclotella caspiaauct., is Cyclotella choctawatcheeana [details]
The authors identify Cyclotella kuetzingiana auct. as Cyclotella krammeri Håkansson, 1990 [details]
The authors identifyCyclotella melosiroides (Kirchner) Lemmermann, 1900 as Cyclotella comensis Grunow in Van ... [details]
non Conferva nummuloides Dillwyn, 1809 [details]
Refferred to as Navicula (Pinnularia) didyma Ehrenberg, 1841 [details]
Refferred to as Stauroneis legumen ß biundulata [details]
Stephanodiscus binderanus α östrupi (Cleve-Euler) Cleve-Euler 1951, referred to as a synonym of Stephanodiscus ... [details]
The authors are uncertain about the Genus [details]
Hällfors (2004) identify Streptotheca Shrubsole, 1891 as Helicotheca Ricard, 1987 [details]
The authors (Hällfors, 2004; Tomas, 1997) are uncertain about the Genus [details]
Non Thalassiosira hyperborea variety septentrionalis (Grunow) Hasle, 1989 [details]
Also spelled as Achnanthes exigua heterovalvata [details]
Spelled as Actinocyclus octonarius octonarius [details]
Spelled as Bacillaria paxillifera in Hällfors (2004) and Tomas (1997) [details]
Spelled as Chaetoceros boreale brightwellii [details]
Spelled as Chaetoceros boreale densa [details]
Spelled as Chaetoceros ceratosporus ceratosporus [details]
Also spelled as Coscinodiscus excentricus [details]
Spelled as Diatoma vulgaris var. capitulata [details]
Spelled as Diatoma vulgaris var. ovalis [details]
Spelled as Diatoma vulgaris var. producta [details]
Spelled as Gomphonema gracile in Hällfors (2004). [details]
Spelled as Melosira juergensii in Hällfors (2004) [details]
Spelled as Melosira lyrata v. Biseriata [details]
Spelled as Melosira moniliformis in Hällfors, G. (2004). [details]
Spelled as Odontella mobiliensis in Hällfors (2004) [details]
Spelled as Orthosira marina in Hällfors (2004) and Tomas (1997) [details]
Amphiprora hyalina Greville, 1865 is considered to be the basionym to Thalassiophysa hyalina (Greville) Paddock & ... [details]
Fragilaria capitata (Ehrenberg) Lange-Bertalot, 1980 is considered as a synonym to Synedra capitata [details]
Fragilaria fasciculata (C.A. Agardh) Lange-Bertalot, 1980 p.p. is also considered a synonym to Tabularia tabulata [details]
Gomphonema abbreviatum Kützing, 1833 is considered as a synonym to Gomphonema grovei v. lingulatum. [details]
Unproven [details]
Nitzschia constricta (Kützing) Ralfs in Pritchard, 1861 is considered a synonym to Tryblionella apiculata. [details]
Unproven [details]
Synedra affinis auct. is considered as a synonym to Tabularia tabulata [details]
