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CCDB → Angiosperms → Plantaginaceae → Penstemon → Penstemon lanceolatus Benth.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Penstemon lanceolatus Benth. | Penstemon lanceolatus Benth. | 8 | Cave1959 | Straw 1959 |