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Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011
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Cymbella ventricosa var. semicircularis (Lagerstedt) Ross 1947, p. 221
BasionymCymbella affinis var. semicircularis Lagerstedt 1873
Published inRoss, R. 1947 [ref. 000796]. Fresh water Diatomeae (Bacillariophyta). Botany of the Canadian Eastern Arctic II. N.V. Polunin (ed.). National Museum of Canada Bulletin 97:178-233, 3 pl.
Type     INA card not found. Click here to check this name in the INA website.
CollectorAssessment of record accuracyuncertain/not verified
List of nomenclatural synonymsCymbella affinis var. semicircularis Lagerstedt 1873
Cymbella caespitosum var. semicircularis (Lagerstedt) Woodhead & Tweed 1954
Cymbella semicircularis (Lagerstedt) Schmidt in Schmidt et al. 1881
Cymbella turgida var. semicircularis (Lagerstedt) Cleve-Euler 1934
Cymbella ventricosa var. semicircularis (Lagerstedt) Østrup 1910
Cymbella ventricosa var. semicircularis (Lagerstedt) Petersen 1924
Cymbella ventricosa var. semicircularis (Lagerstedt) Cleve-Euler 1955
Cymbella minuta var. semicircularis (Lagerstedt) Foged 1981
Encyonema caespitosum var. semicirculare (Lagerstedt) Mayer 1947
Encyonema minutum var. semicircularis (Lagerstedt) H. Cremer in H. Cremer & B. Wagner 2003
Encyonema minutum var. semicircularis (Lagerstedt) Martinez de Fabricius 1999