Patrick, R.M. & Reimer, C.W. (1975). The diatoms of the United States exclusive of Alaska and Hawaii. Volume 2. Part 2. Entomoneidaceae, Cymbellaceae, Gomphonemaceae, Epithemiaceae. Monographs of the Academy of Natural Sciences of Philadelphia., 13: 213 pp., 28 pls.
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Patrick, R.M. & Reimer, C.W.
1975
The diatoms of the United States exclusive of Alaska and Hawaii. Volume 2. Part 2. Entomoneidaceae, Cymbellaceae, Gomphonemaceae, Epithemiaceae
Monographs of the Academy of Natural Sciences of Philadelphia.