See U.S. county distributions (when available) by clicking on the map or the linked states below: USA (AR, CO, IA, IL, KS, MN, MO, MT, ND, NE, NM, OK, SD, TX, WI, WY), CAN (AB, MB, SK)
Everitt, J.H., D.L. Drawe, and R.I. Lonard. 1999. Field guide to the broad leaved herbaceous plants of South Texas used by livestock and wildlife. Texas Tech University Press, Lubbock.
More Accounts and Images: Linumrigidum Pursh
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 29220.