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CCDB → Angiosperms → Plantaginaceae → Penstemon → Penstemon nitidus Douglas ex Benth.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Penstemon nitidus Douglas ex Benth. | Penstemon nitidus Douglas ex Benth. | 16 | IPCN online | Love, A. & D. Love. 1982. In: A Löve (ed.), IOPB chromosome number reports LXXV. Taxon 31(2): 344–360. | |||
| Penstemon nitidus var. nitidus | Penstemon nitidus Douglas ex Benth. | 16 | IPCN online | Freeman, C. C. 1983. Chromosome numbers in Great Plains species of Penstemon (Scrophulariaceae). Brittonia 35(3): 232–238. | |||
| ! | Penstemon nitidus Douglas ex Benth. | Penstemon nitidus Douglas ex Benth. | 8 | IPCN66 | Taylor & Brockman 1966 | ||
| ! | Penstemon nitidus Douglas ex Benth. | Penstemon nitidus Douglas ex Benth. | 16 | C-values database | Broderick SR, Stevens MR, Geary B, Love SL, Jellen EN, Dockter RB, Daley SL, Lindgren DT. 2011. A survey of Penstemon's genome size. Genome 54: 160-173. |