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United States Department of Agriculture

Agricultural Research Service

Related Topics

Poisonous Plants By Toxic Syndrome
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Abortifacient and Reproductive Toxins 

Nitrate-Accumulating Plants                       

Ponderosa Pine Needles (Pinus ponderosa)

Nitrate Summary 

Broom Snakeweed (Gutierrezia sarothrae, microcephala)

 

 

Neurotoxic and Myotoxic Plants 

Cardiac Glycoside-Containing Plants 

Deathcamas (Zigadenus spp.) 

Hemp Dogbane (Apocynum cannabinum)

Larkspur (Delphinium spp.)

 

Locoweed (Astragalus, Oxytropis spp.)

Cyanide or Prussic Acid-Containing Plants 

Selenium Accumulators (Astragalus spp.)

Arrowgrass(Triglochin spp.)

Milkvetch (Astragalus spp.) 

Chokecherry (Prunus spp.)

Rayless Goldenrod (Haplopappus heterophyllus)

 

Lupine (Lupinus spp.) 

Gastrointestinal Irritants and Toxins 

Poison-hemlock (Conium maculatum)

Bitterweed (Hymenoxys odorata

Water Hemlock (Cicuta douglasii) 

Colorado Rubberweed or Pingue
(Hymenoxys richardsoni)

Western False Hellebore (Veratrum californicum)

Sneezeweed (Helenium hoopesii

 

Copperweed (Oxytenia acerosa)

Oxalate-Containing Plants

 

Greasewood (Sarcobatus vermiculatus)

Hepatotoxic and Pyrrolizidine
Alkaloid-Containing Plants
 

Halogeton (Halogeton glomeratus)

Groundsel (Senecio riddellii,S. longilobus)

 

Tansy Ragwort (Senecio jacobaea)

Photosensitizing Plants

Horsebrush (Tetradymia glabrata, T. canescens)

St. Johnswort (Hypericum perforatum)

 

Spring Parsley (Cymopterus watsonii) 

 

Miscellaneous Poisonous Plants

Bracken Fern (Pteridium aquilinum)

Oak (Quercus spp.)

Other Toxic Plants

Yew (Taxus spp.)

Last Modified: 2/7/2006
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