Authority:
(Ehrenberg) Williams & Round
References:
Krammer, K. and Lange-Bertalot, H. (1991). Baccilariophyceae: Centrales, Fragilariaceae, Eunotiaceae. in: Süßwasserflora von Mitteleuropa (H. Ettl, J. Gerloff, H. Heynig & D. Mollenhauer, eds), 2(3), pp. 156-157; 496-497 [t.133:9-11]
Synonyms:
Odontidium mutabile W. Smith 1856; (?)Fragilaria mutabilis var. subsolitaris Grunow 1862; Fragilaria pinnata var. lancettula (Schumann 1867) Hustedt in A. Schmidt et al. 1913 (ob incl. holotype?); Fragilaria elliptica Schumann 1867 sensu auct. nonnull. (ob incl. holotype?); Fragilaria pinnata var. subrotunda Mayer 1937; Odontidium martyi var. polymorpha (Jouravleva) Proschkina- Lavrenko 1950
Description:
Valve is variable, may be elliptic, elliptic-lanceolate, linear with a weak middle swelling, rarely slightly rhombic, round, oval or club-shaped; axial area is narrow, striae are parallel or slightly radiate; length and breadth is as in the nominate; striae count is ~8-12 in 10µm
Projects:
Transect Project
