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CCDB → Angiosperms → Compositae → Pityopsis → Pityopsis aspera var. aspera
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Pityopsis aspera var. aspera | Pityopsis aspera var. aspera | 9II(2) | Asteracea | Semple & B. 1987 Rhodora | |||
| ! | Pityopsis aspera (Shuttlew.) Small | Pityopsis aspera var. aspera | 18(1) | Asteracea | Smith, E. B. 1965 Madrono | ||
| ! | Pityopsis aspera (Shuttlew.) Small | Pityopsis aspera var. aspera | 18(1) | Asteracea | Smith E. B. 1965b Trans. Kansas Acad. Sci. | ||
| ! | Chrysopsis aspera Shuttlew. | Pityopsis aspera var. aspera | 18 | IPCN65 | Smith 1965a | ||
| ! | Heterotheca aspera (Shuttlew.) Shinners | Pityopsis aspera var. aspera | 36 | IPCN online | Semple, J. C. 1977. Cytotaxonomy of Chrysopsis and Heterotheca (Compositae Astereae): A new interpretation of phylogeny. Canad. J. Bot. 55: 2503–2513. | ||
| Chrysopsis aspera Shuttlew. | Pityopsis aspera var. aspera | 18 | IPCN66 | E.B.Smith1966a | |||
| Pityopsis aspera var. aspera | Pityopsis aspera var. aspera | 18 | eFlora |