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CCDB → Pteridophytes → Pteridaceae → Polytaenium → Polytaenium discoideum (Kunze) Benedict
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Polytaenium discoideum (Kunze) Benedict | Polytaenium cajenense (Desv.) Benedict | 120 | IPCN65 | Walker 1964-65 | ||
| ! | Polytaenium discoideum (Kunze) Benedict | Polytaenium cajenense (Desv.) Benedict | 240 | Love, 1977 | Walker, T. G. 1966 |