| WebNameShort | |
| Hemiaulus jeremiae (Truan & Witt) M. Peragallo 1897 |
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| Hyalodiscus arcticus (Grunow) M. Peragallo 1897 |
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| Hydrosera whampoensis var. biangulata M. Peragallo 1897 |
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| Hydrosera whampoensis var. hexagona (Pantocsek) M. Peragallo 1897 |
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| Hydrosera whampoensis var. mauritania (Bergon) M. Peragallo 1897 |
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| Mastogloia smithii (smithi) var. alpina (Brun in Schmidt et al.) M. Peragallo 1897 |
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| Vanheurckia rhomboides var. lineolata (Ehrenberg) M. Peragallo 1897 |
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| Vanheurckia rhomboides var. oregonica (Cleve) M. Peragallo 1897 |
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| Vanheurckia rhomboides var. saxonica (Rabenhorst) M. Peragallo 1897 |
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