Abrus precatorius
	Aconitum spp.
	Actaea spp.
	Aesculus spp.
	Agrostemma githago
	Aleurites fordii
	Allium spp.
	Amanita spp.
	A. muscaria
	A. pantherina
	A. verna
	Amaranthus spp.
	Amsinckia intermedia
	Apocynum spp.
	Argemone mexicana
	Arisaema spp.
	Asclepias spp.
	Astragalus and Oxytropis spp.
	Atropa belladonna
	Brassica spp,
	Caltha palustris
	Cannabis sativa
	Centaurea solstitialis
	Chelidonium majus
	Chenopodium album
	Cicuta spp.
	Claviceps spp.
	Conium maculatum
	Coronilla varia
	Convallaria majalis
	Daphne spp.
	Datura spp.
	Delphinium spp.
	Dicentra spp.
	Digitalis purpurea
	Equisetum arvense and other spp.
	Eupatorium rugosum
	Euphorbia spp.
	Fagoypyrum esculentum
	Festuca arundinacea
	Gelsemium sempervirens
	Glechoma spp.
	Halogeton glomeratus
	Helleborus niger
	Hyoscyanmus niger
	Hypericum perforatum
	Iris spp.
	Laburnum anagyroides
	Lantana camara
	Lathyrus spp.
	Leucothoe axillaris and Leucothoe davisiae
	Linum usitatissimum
	Lobelia spp.
	Lotus corniculatus
	Lupinus spp.
	Medicago sativa
	Melilotus alba and Melilotus officinalis
	Menispermum canadense
	Nerium oleander
	Nicotiana spp.
	Onoclea sensibilis
	Ornithogalum umbellatum
	Papaver spp.
	Phytolacca americana
	Pieris japonica and other spp.
	Pinus ponderosa
	Podophyllum peltatum
	Prunus spp.
	Pteridium aquilinium
	Quercus spp.
	Ranunculus spp.
	Rheum rhaponticum
	Ricinus communis
	Robinia pseudoacacia
	Rumex spp.
	Sambucus canadensis
	Sanquinaria canadensis
	Saponaria spp.
	Senecio spp.
	Solanum spp.
	Sorghum spp.
	Symplocarpus foetidus
	Taxus cuspidata
	Tetradymia spp.
	Toxicodendron diversiloba
	Toxicodendron radicans
	Toxicodendron vernix
	Trifolium spp.
	Triglochin maritima
	Urtica spp.
	Vicia spp.
	Veratrum californicum
	Wisteria spp.
	Xanthium strumarium
	Zigadenus spp.

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