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CCDB → Angiosperms → Cyperaceae → Carex → Carex williamsii Britton
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Carex williamsii Britton | Carex williamsii Britton | 46 | IPCN online | ZHUKOVA, P. G. 1980. Chromosome numbers of some Southern Chukotka plant species. Bot. Zhurn. 65 (1): 51–59. | |||
| Carex williamsii Britton | Carex williamsii Britton | 46 | IPCN online | ZHUKOVA, P. G. & V. V. Petrovsky. 1980. Chromosome numbers and taxonomy of some species of the Anyui Mts. Bot. Zhurn. 65 (5): 651–659. | |||
| Carex williamsii Britton | Carex williamsii Britton | 18 | IPCN online | Love, A. & D. Love. 1981c. In Chromosome number reports LXXIII. Taxon 30: 845–851. | |||
| Carex williamsii Britton | Carex williamsii Britton | 46 | IPCN online | Yurtsev, B. A. & P. G. ZHUKOVA. 1978. The cytotaxonomical survey of the monocots of the easternmost Chokchi Peninsula. Bot. Žhurn. (Moscow & Leningrad) 63(8): 1132–1144. | |||
| ! | Carex williamsii Britton | Carex williamsii Britton | 46 | IPCN75-78 | Yurtsev & Zhukova 1978 | ||
| ! | Carex novograblenovii Kom. | Carex williamsii Britton | 18 | Cave1957 | Love, Love, & Raymond | ||
| Carex williamsii Britton | Carex williamsii Britton | 18 | Cave1957 | Love, Love, & Raymond |