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CCDB → Angiosperms → Ranunculaceae → Clematis → Clematis hirsutissima
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Clematis douglasii Hook. | Clematis hirsutissima Pursh | 16 | Fedorov, 1974 | Gregory W. C. 1941 | ||
| ! | Clematis hirsutissima | Clematis hirsutissima Pursh | 16 | eFlora | |||
| ! | Clematis hirsutissima var. arizonica (A. Heller) R. O. Erickson | Clematis hirsutissima Pursh | 8 | IPCN online | Benham, D. M. & C. G. Schaack. 1988. Chromosome number reports XCIX. Taxon 37: 399. |