| WebNameShort | |
| Trigonium inelegans (Greville) Mann 1925 |
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| Trigonium inglorium (Greville) Mann 1925 |
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| Trigonium latum (Greville) Mann 1925 |
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| Trigonium quinquelobatum (Greville) Mann 1925 |
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| Tropidoneis oblonga (Greville) Mann 1925 |
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| Biddulphia castellifera (Grunow in Schmidt et al.) Mann 1925 |
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| Biddulphia spinulosa (Grunow in Schmidt et al.) Mann 1925 |
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| Trigonium dissimile (Grunow in Schmidt et al.) Mann 1925 |
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| Trigonium eulensteinii (Grunow in Schmidt et al.) Mann 1925 |
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| Biddulphia impressa (Grunow in Van Heurck) Mann 1925 |
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| Biddulphia madagascarensis (Grunow in Van Heurck) Mann 1925 |
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| Trigonium frauenfeldii (Grunow in Van Heurck) Mann 1925 |
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| Trigonium heteroporum (Grunow in Van Heurck) Mann 1925 |
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| Biddulphia jucatensis (Grunow) Mann 1925 |
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| Biddulphia juncatensis (Grunow) Mann 1925 |
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| Navicula biformis (Grunow) Mann 1925 |
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| Willemoesia elongata (Grunow) Mann 1925 |
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| Hyalodiscus argus (Grunow; Grunow) Mann 1925 |
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| Biddulphia gibbosa (Harvey & J.W. Bailey) Van Heurck ex Mann 1925 |
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| Navicula mexicana (Heiden in Schmidt et al.) Mann 1925 |
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