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CCDB → Angiosperms → Plantaginaceae → Penstemon → Penstemon flavescens Pennell
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Penstemon flavescens Pennell | Penstemon flavescens Pennell | 48 | Fedorov, 1974 | Keck 1945 |