Poisonous Plants
| Plant | Species | Effect
|
|---|
| Bracken fern | Pteridium aquilinium | thiamin deficiency
|
| Castor bean | Ricinus communis | severe intestinal irritation
|
| Fiddleneck | Ansinckia intermedia | liver cirrhosis
|
| Golden weed | Onopis spp. | selenium toxicity
|
| Horsetail | Equisetum spp. | thiamin deficiency
|
| Japanese yew | Taxus cuspidata | nervous system damage
|
| Jimsonweed | Datura spp. | alkaloid poisoning
|
| Locoweed | Astragalus spp. | nervous system damage
|
| Oleander | Nerium oleander | digitalis effect
|
| Prince's plume | Stanleya spp. | selenium toxicity
|
| Rattleweed | Crotalaria spectabilis | liver cirrhosis
|
| Russian knapweed | Centaurea repens | encephalomalacia
|
| Tansy ragwort | Senecio jacobaea | liver cirrhosis
|
| Whitehead | Sphenosciodium capitallatum | photosensitization
|
| Wild cherry | Prunus spp. | cyanide poisoning
|
| Wild onion | Allium validum | hemolytic anemia
|
| Wild tobacco | Nicotiana trigonophylla | paralysis
|
| Woody aster | Xylorrheza spp. | selenium toxicity
|
| Yellow star thistle | Centaurea solstitialis | encephalomalacia
|