| Reference Source | Reference Type | Archival Data | Comments |
|---|---|---|---|
| Gonella, M.P 2003-2006 | Use - Customs |
Flower heads pulled out of sepals/receptable and chewed. "A good chewing tobacco substitute that makes a nice purple spit". |
| Reference Source | Reference Type | Data | Comments |
|---|---|---|---|
| Gleason, H.A. and Cronquist, A. 1991 | Habitat | A native of Eurasia occuring in pastures, fields, roadsides and other disturbed areas throughout North America and Canada. |