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CCDB → Angiosperms → Lamiaceae → Pycnanthemum → Pycnanthemum flexuosum (Walter) Britton & Sterns & Poggenb.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Pycnanthemum flexuosum (Walter) Britton & Sterns & Poggenb. | Pycnanthemum flexuosum (Walter) Britton & Sterns & Poggenb. | 36 | IPCN67-71 | CHAMBERS, H.L . & K.L. CHAMBERS. 1971. Artificial and natural hybrids in Pycnanthemum (Labiatael. Brittonia 23: 71-88. |