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CCDB → Angiosperms → Plantaginaceae → Penstemon → Penstemon fasciculatus
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Penstemon fasciculatus | Penstemon fasciculatus A. Gray | 16 | Fedorov, 1974 | Straw 1962 (I. 1963) | ||
| ! | Penstemon fasciculatus A. Gray | Penstemon fasciculatus A. Gray | 8 | Cave1963 | Straw 1962 |