Traits name details
original description
Krammer, K. (1992). Pinnularia eine monographie der europaischen taxa. Bibliotheca Diatomologica, 26: 353 pp. page(s): p. 86; pl. 22, fig. 5-8 [details]
original description
(of Pinnularia graciloides var. krasskei Frenguelli, 1942) Frenguelli, J. (1942). XVII contribución al conocimiento de las diatomeas argentinas. Diatomeas del Neuquén (Patagonia). <em>Revista del Museo de la Plata, Nueva Serie, Sección Botánica 5.</em> 20: 73-219, 12 pls. page(s): p. 141; pl. 4, fig. 27-28 [details] Available for editors 
basis of record
Fourtanier, E. & Kociolek, J. P. (compilers). (2011). Catalogue of Diatom Names. California Academy of Sciences, On-line Version. Updated 2011-09-19., available online at http://researcharchive.calacademy.org/research/diatoms/names/index.asp [details]
From editor or global species database
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