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CCDB → Angiosperms → Plantaginaceae → Penstemon → Penstemon compactus (D. D. Keck) Crosswh.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Penstemon compactus (D. D. Keck) Crosswh. | Penstemon compactus (D. D. Keck) Crosswh. | 8 | IPCN67-71 | CLARK, S.L. 1970. In IOPB chromosome number reports XXX. Taxon 19: 918-919. |