| Reference Source | Reference Type | Data | Comments |
|---|---|---|---|
| Gleason, H.A. and Cronquist, A. 1991 | Habitat | Occurs in a wide array of habitats throughout the U.S., including eastern and western Myaamia lands. A European, introduced variety P. v. var. vulgaris is also common in Canada. |
| Reference Source | Reference Type | Data | Comments |
|---|---|---|---|
| Bush, L. L 1996 | Human charred remains of Prunella vulgaris were recovered from an excavation at an early Miami Village site at the forks of the Wabash River (Ft. Wayne), 1795-1812 (Ehler Site). |