STERRENBURG, F.A.S.
1994 (March 28)
Studies on the genera
Gyrosigma
and
Pleurosigma
(Bacillariophyceae)
Proc. Acad. Nat. Sci. Philadelphia
145: 217-236, 68 figs.
[incl. Gyrosigma reimeri n.sp. from Guadalupe River, Texas]
Keyboarded taxa: 1