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CCDB → Angiosperms → Cyperaceae → Carex → Carex atrata subsp. atratiformis (Britton) Kük.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Carex atrata subsp. atratiformis (Britton) Kük. | Carex atratiformis Britton | 54 | IPCN online | Love, A. & D. Love. 1981c. In Chromosome number reports LXXIII. Taxon 30: 845–851. | |||
| ! | Carex atrata subsp. atratiformis (Britton) Kük. | Carex atratiformis Britton | 54 | IPCN66 | Love & Love 1966b | ||
| ! | Carex atrata subsp. atratiformis (Britton) Kük. | Carex atratiformis Britton | 54 | IPCN66 | Love & Love 1966b |