Fragilaria virescens f. clavata (Grunow in Van Heurck) Schulz 1926, p. 186; fig. 20
as Fragilaria virescens var. oblongella f. clavata
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| Basionym | Fragilaria virescens var. oblongella f. clavata Grunow in Van Heurck |
| Status | Invalid? | |
| Published in | Schulz, P. 1926 [ref. 000812]. Die Kieselalgen der Danziger Bucht mit Einschluss derjenigen aus glazialen und postglazialen Sedimenten. Botanisches Archiv. Konigsberg 13(3/4):149-327. |
| Type | | INA card not found. Click here to check this name in the INA website. |
| Collector | | Assessment of record accuracy | uncertain/not verified |