Actaea rubra (Ait.) Willd. Red Baneberry; Ranunculaceae. Fruits considered poisonous.

Astragalus sp. Vetch; Fabaceae. Plant considered poisonous.

Caltha palustris L. Yellow Marsh marigold; Ranunculaceae. Roots boiled and eaten. Leaves and thick fleshy smooth slippery stems cooked and eaten. Raw leaves considered poisonous.

Cicuta douglasii (DC.) Coult. & Rose Western Water Hemlock; Apiaceae. Roots considered poisonous. ALL Western States

Cicuta maculata L. Spotted Water Hemlock; Apiaceae. Roots considered poisonous. ALL

Cicuta sp. Water Hemlock; Apiaceae. Roots considered poisonous. ALL

Cicuta virosa L. Mackenzie's Water Hemlock; Apiaceae. Roots considered poisonous. AK

Hedysarum boreale ssp. mackenziei (Richards.) Welsh Mackenzie's Sweetvetch; Fabaceae. Plant considered poisonous. AK, OR, WA

Lupinus nootkatensis Donn ex Sims Nootka Lupine; Fabaceae. Roots peeled and inner portion eaten raw or boiled. Roots considered poisonous. AK, WA

Oxytropis sp. Locoweed; Fabaceae. Plant considered poisonous.

Valeriana edulis Nutt. ex Torr. & Gray Edible Valerian; Valerianaceae Raw root poisonous and cooked root used for food. Boiled root used for food. Roots cooked overnight and eaten. Roots stored in underground pits for about a year. Large quantities of roots cooked in a kiln until black and very sticky. Steamed, cooked roots used for food. Root used for hemorrhages. Poultice of pulverized root placed on painful and bleeding cuts and applied to draw out inflammation of boils. Root used as a tapeworm medicine. Pounded roots rubbed on swollen and bruised parts and rubbed on parts affected by rheumatism. AZ, CO, ID, MT, NM, NV, OR, SD, UT, WA, WY

Veratrum viride Ait. American False Hellebore; Liliaceae Plant considered poisonous. CA, CT, DC, DE, GA, ID, MA, ME, NC, NH, NJ, NY, OH, OR, PA, RI, TN, VA, VT, WA, WV

Zigadenus elegans Pursh Mountain Deathcamas; Liliaceae Plant considered poisonous. AZ, CO, ID, MT, NE, NM, NV, OR, SD, TX, UT, WA, WY