| WebNameShort | |
| Cavinula variostriata (Krasske) Mann in Round, Crawford & Mann 1990 |
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| Cosmioneis delawarensis (Grunow ex Cleve) Mann in Round, Crawford & Mann 1990 |
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| Cosmioneis grossepunctata (Hustedt) Mann in Round, Crawford & Mann 1990 |
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| Cosmioneis lundstroemii (Cleve in Cleve & Grunow) Mann in Round, Crawford & Mann 1990 |
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| Cosmioneis pusilla (Wm. Smith) Mann & Stickle in Round, Crawford & Mann 1990 |
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| Craticula accomoda (Hustedt) Mann in Round, Crawford & Mann 1990 |
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| Craticula ambigua (Ehrenberg) Mann in Round, Crawford & Mann 1990 |
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| Craticula cuspidata (Kützing) Mann in Round, Crawford & Mann 1990 |
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| Craticula halophila (Grunow ex Van Heurck) Mann in Round, Crawford & Mann 1990 |
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| Diadesmis aerophila (Krasske) Mann in Round, Crawford & Mann 1990 |
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| Diadesmis aerophila (Krasske) D.G. Mann in Round, Crawford, & Mann 1990 |
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| Diadesmis brekkaensis (Petersen) Mann in Round, Crawford & Mann 1990 |
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| Diadesmis contenta (Grunow ex Van Heurck) Mann in Round, Crawford & Mann 1990 |
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| Diadesmis laevissima (Cleve) Mann in Round, Crawford & Mann 1990 |
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| Diadesmis perpusilla (Grunow) Mann in Round, Crawford & Mann 1990 |
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| Encyonema alpinum (Grunow) Mann in Round, Crawford & Mann 1990 |
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| Encyonema braunii (Hustedt) Mann in Round, Crawford & Mann 1990 |
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| Encyonema brehmii (Hustedt) Mann in Round, Crawford & Mann 1990 |
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| Encyonema elginense (Krammer) Mann in Round, Crawford & Mann 1990 |
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| Encyonema formosum (Hustedt) Mann in Round, Crawford & Mann 1990 |
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