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CCDB → Angiosperms → Compositae → Croptilon → Haplopappus validus subsp. validus
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Haplopappus validus subsp. validus | Croptilon hookerianum var. validum (Rydb.) E. B. Sm. | 5, 5 + s | 11, 12 | IPCN65 | Smith 1965c | |
| ! | Haplopappus validus subsp. validus | Croptilon hookerianum var. validum (Rydb.) E. B. Sm. | 5 | IPCN66 | E. B. Smith 1966a | ||
| ! | Haplopappus validus subsp. validus | Croptilon hookerianum var. validum (Rydb.) E. B. Sm. | 5 | IPCN67-71 | SOLBRIG, Q.T., L.C. ANDERSON, D.W. KYHOS, & P.H. RAVEN. 1969. Chromosome numbers in Compositae. VIII: Astereae III. Amer. J. Bot. 56: 348-353. | ||
| ! | Haplopappus validus subsp. validus | Croptilon hookerianum var. validum (Rydb.) E. B. Sm. | 10 | Fedorov, 1974 | Smith E. B. 1965,1966 |