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CCDB → Pteridophytes → Isoëtaceae → Isoetes → Isoetes valida (Engelm.) Clute
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Isoetes valida (Engelm.) Clute | Isoetes engelmannii A. Braun | 22 | IPCN online | Brunton, D. F. & D. M. Britton. 1996. Taxonomy and distribution of Isoetes valida. Amer. Fern J. 86(1): 16–25. |