| Reference Source | Reference Type | Archival Data | Comments |
|---|---|---|---|
| Gonella, M.P 2003-2006 | No Reference Specified | Flower heads are gathered and dried and used to rid fleas from dogs. |
| Reference Source | Reference Type | Data | Comments |
|---|---|---|---|
| Gleason, H.A. and Cronquist, A. 1991 | Habitat | A weedy species found throughout North America, including eastern and western Myaamia lands, its size varying with habitat. |