| WebNameShort | |
| Stephanopyxis eutycha (Ehrenberg) Forti 1913 |
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| Melosira clavigera var. crassiradiata (Forti in Tempère & Peragallo; Forti) Forti 1913 |
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| Stephanogonia polyacantha (Forti) Forti 1913 |
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| Triceratium latum var. inglorium (Greville) Forti 1913 |
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| Triceratium latum var. dissimilis (Grunow) Forti 1913 |
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| Biddulphia tuomeyi f. margaritifera (Shadbolt) Forti 1913 |
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| Leudugeria epithemioides (epithemoides) var. brevis (Tempère & Peragallo) Forti 1913 |
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| Leudugeria janischiana var. subarcuata (Tempère in Tempère & Peragallo) Forti 1913 |
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| Stictodiscus parallelus var. kinkerianus (Truan & Witt) Forti 1913 |
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| Actinoptychus kymatodes var. radiolata Forti 1913 |
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| Actinoptychus kymatodes var. tetramera Forti 1913 |
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| Actinoptychus minutus f. major Forti 1913 |
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| Actinoptychus sculptilis var. tetramera Forti 1913 |
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| Actinoptychus sculptilis f. tetramera Forti 1913 |
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| Actinoptychus stella f. fenestrata Forti 1913 |
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| Actinoptychus undulatus var. inaequisculpta Forti 1913 |
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| Actinoptychus undulatus var. labyrinthiformis Forti 1913 |
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| Actinoptychus undulatus var. parallelistriata Forti 1913 |
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| Arachnoidiscus ornatus var. obscurus Forti 1913 |
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| Asterolampra acutiloba Forti 1913 |
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