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CCDB → Angiosperms → Lamiaceae → Stachys → Stachys rigida subsp. quercetorum (A. Heller) Epling
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Stachys rigida var. quercetorum (A. Heller) Epling ex Munz | Stachys rigida subsp. quercetorum (A. Heller) Epling | 66 | IPCN online | Mulligan, G. A. & D. B. Munro. 1989. Taxonomy of species of North American Stachys (Labiatae) found north of Mexico. Naturaliste Canad. 116: 35–51. |