CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.
CCDB → Angiosperms → Plantaginaceae → Penstemon → Penstemon palmeri var. palmeri
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Penstemon palmeri var. palmeri | Penstemon palmeri A. Gray | 8 | IPCN online | Freeman, C. C. & R. E. Brooks. 1988. Documented plant chromosome numbers 1988: 1. Chromosome counts for North American plants -- I. Sida 13: 241–250. |