Both in flower, at center is the Utah endemic Ericameria obovata and Artemisia tridentata subsp. vaseyana. Invading at the lower right is the noxious weed Euphorbia myrsinites (to the left of which is the native buckwheat Eriogonum brevicaule var brevicaule.Oct. 2, 2008, lower Millcreek Canyon, Salt Lake County, Utah, approx. 5,350 ft. elev.
Kohler's Medizinal-Pflanzen in naturgetreuen Abbildungen mit kurz erlauterndem Texte :.Gera-Untermhaus :Fr. Eugen Kohler,[1883-1914].biodiversitylibrary.org/page/303702
Herbarium Blackwellianum emendatum et auctum, id est, Elisabethae Blackwell collectio stirpium.Norimbergae : Typis Io. Iosephi Fleischmanni, 1750-1773..biodiversitylibrary.org/page/291053