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CCDB → Angiosperms → Lamiaceae → Pycnanthemum → Pycnanthemum loomisii Nutt.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Pycnanthemum loomisii Nutt. | Pycnanthemum loomisii Nutt. | 38, 76+1f | IPCN67-71 | CHAMBERS, H.L . & K.L. CHAMBERS. 1971. Artificial and natural hybrids in Pycnanthemum (Labiatael. Brittonia 23: 71-88. |