Range Science 316

PoisonousRange Plants

Kelly W. AllredRange Science Herbarium

Department of Animal & Range SciencesNew Mexico State University

Broadleaf milkweed, Asclepias latifolia, cardiac glycosides

Horsetail milkweed, Asclepias subverticillata, cardiac glycosides

Chokecherry, Prunus virginiana, cyanide

Poison Ivy, Toxicodendron rydbergii, dermititis

Wooly locoweed, Astragalus mollissimus, swainsonine alkaloides

Lambert’s crazyweed, Oxytropis lambertii, swainsonine alkaloides

Western water hemlock, Cicuta maculata, cicutoxin alcohol

Poison hemlock, Conium maculatum, pyridine alkaloids

Thornapple, Datura wrightii, tropane alkaloids

Larkspur, Delphinium genus., diterpenoid alkaloids

Kochia, Kochia scoparia, oxalates, alkaloids, saponins,

nitrate, sulfate

Dock, Rumex species, oxalates

Russian thistle, Salsola tragus,

nitrate

Filaree, Erodium cicutarium, nitrate

Snakeweed, Gutierrezia sarothrae ,

saponin, selenium

Orange sneezeweed Helenium hoopesii,

glycoside

Halogeton, Halogeton glomeratus, oxalates

Lupinus, Lupinus genus, alkaloids

Tansy mustard, Descurrainia

pinnata, nitrate & one unknown

London Rocket, Sisymbrium irio, nitrate