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CCDB → Angiosperms → Compositae → Stenotus → Haplopappus acaulis subsp. acaulis
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Haplopappus acaulis subsp. acaulis | Stenotus acaulis (Nutt.) Nutt. | 18 | 36 | IPCN73-74 | WATSON, T.J., Jr. 1973. Chromosome numbers in Compositae from the southwestern United states. Southw. Naturalist 18: 117-124. |