Unresolved name

Unresolved name: Chromista » Ochrophyte » Diatoms » Bacillariales » Bacillariaceae » Nitzschia » Nitzschia sigma «

Nitzschia sigma var. rigida (Kütz.) Grunow

Scientific Names

Preferred Names

Recognized by GBIF classification

Common Names

There are no common names associated with this taxon.

Ochrophyta

Bacillariophyceae

Bacillariales

Bacillariaceae

Nitzschia A. H. Hassall 1845

Nitzschia sigma (Kütz.) W. Sm.

Nitzschia sigma var. rigida (Kütz.) Grunow (this page)

Nitzschia sigma f. brevior Grunow 1881

Nitzschia sigma f. elongatae Grunow 1881

Nitzschia sigma f. genuina Cleve 1882

Nitzschia sigma f. habirshawii (Febiger ex Cleve & Moller) Grunow 1881

Nitzschia sigma f. indica Thomas & Gonzalves 1965

Nitzschia sigma f. longissima Grunow 1881

Nitzschia sigma f. maxima Grunow 1867

Nitzschia sigma f. valida Grunow 1878

Nitzschia sigma subsp. intercedens Grunow

Nitzschia sigma subsp. sigma

Nitzschia sigma subsp. sigmatella Grunow

Nitzschia sigma var. abludens Grunow 1878

Nitzschia sigma var. calamae Frenguelli 1929

Nitzschia sigma var. consimilis Grunow 1878

Nitzschia sigma var. curvula (Ehrenberg) Brun 1880

Nitzschia sigma var. diminuta Grunow

Nitzschia sigma var. elongata Grunow

Nitzschia sigma var. fonticola Hustedt 1937

Nitzschia sigma var. genuina Grunow 1878

Nitzschia sigma var. incisa Mereschkowsky 1903

Nitzschia sigma var. indica Karsten 1907

Nitzschia sigma var. intercedens Grunow 1878

Nitzschia sigma var. latiuscula Grunow 1881

Nitzschia sigma var. major Grunow 1881

Nitzschia sigma var. maxima Grunow 1878

Nitzschia sigma var. minor

Nitzschia sigma var. neogena Grunow 1882

Nitzschia sigma var. purvula Brun

Nitzschia sigma var. rigidula (Perag. & Perag.) Grunow

Nitzschia sigma var. scabra Cleve 1883

Nitzschia sigma var. serpentina Skvortzow 1927

Nitzschia sigma var. sigma

Nitzschia sigma var. sigmatella (W. Greg.) Grunow

Nitzschia sigma var. subcapitata Rabenhorst 1864

Nitzschia sigma var. undulata Hohn & Hellerman 1966