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CCDB → Angiosperms → Compositae → Packera → Senecio imparipinnatus Klatt
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Senecio imparipinnatus Klatt | Packera tampicana (DC.) C. Jeffrey | 23 | IPCN online | Keil, D. J. & T. F. Stuessy. 1977. Chromosome counts of Compositae from Mexico and the United States. Amer. J. Bot. 64: 791–798. | |||
| ! | Senecio imparipinnatus Klatt | Packera tampicana (DC.) C. Jeffrey | 23 | IPCN73-74 | WATSON, T.J., Jr. 1973. Chromosome numbers in Compositae from the southwestern United states. Southw. Naturalist 18: 117-124. | ||
| Senecio imparipinnatus Klatt | Packera tampicana (DC.) C. Jeffrey | 23 | IPCN73-74 | URBATSCH, L.E. 1974. In IOPB chromosome number reports XLV. Taxon 23: 619-624. | |||
| Senecio imparipinnatus Klatt | Packera tampicana (DC.) C. Jeffrey | c. 23 | Cave1962 | Turner et al. 1962 |