Surirella ovata var. pinnata (Ehr.) Hust.
Length: 102

 Width: 39

 Striae: 100

 Costae: 20






























Collection 1236

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Authority information

Surirella ovata var. pinnata (Wm. Smith 1853) Brun 1880, p. 98, 2/5 (VanLandingham 1978).

More information


This variaty is probably the same as Surirella ovata except smaller. It has a linear ovoid valve with almost straight sides. (Hustedt 1930)



Ecological distribution


Found in lakes, ponds, rivers, springs/ streams, pools, and swamps. pH: Acidobiontic, acidophilous, indifferent, alkailphilous, alkalibiontic. (Beaver 1981).


Synonyms Surirella pinnata Wm. Smith 1853, p. 33, 30/258
(VanLandingham 1978)