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CCDB → Angiosperms → Plantaginaceae → Penstemon → Penstemon eatonii subsp. exsertus (A. Nelson) D. D. Keck
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Penstemon eatonii subsp. exsertus (A. Nelson) D. D. Keck | Penstemon eatonii subsp. exsertus (A. Nelson) D. D. Keck | 8 | IPCN online | Schaack, C. G. 1987. Chromosome Number Reports 95. Taxon 36: 497. |