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CCDB → Angiosperms → Plantaginaceae → Penstemon → Penstemon serrulatus Menzies ex Sm.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Penstemon serrulatus Menzies ex Sm. | Penstemon serrulatus Menzies ex Sm. | 8 | IPCN online | Baker, M. A. & B. D. Parfitt. 1982. In IOPB chromosome number reports LXXVII. Taxon 31: 764–765. | ||
| ! | Penstemon serrulatus Menzies ex Sm. | Penstemon serrulatus Menzies ex Sm. | 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. |