-in alphabetical order according to scientific name
Abrus precatorius - Rosary Pea
Acer rubrum - Red maple, Swamp
maple, Soft maple
Acer saccharum - Sugar maple, Rock
maple, Hard maple
Acer saccharinum - Silver maple, Soft
maple, White maple
Aconitum spp. - Monkshood,
Aconite, or Wolfsbane
Actaea spp. - Baneberry, Dolls
Eyes, White Cohosh, Snakeberry
Aesculus spp. - Horse Chestnut,
Buckeye
Agrostemma githago - Corn Cockle
Aleurites fordii - Tung Oil Tree
Allium spp. - Commercial Onions,
Wild Onions, Swamp Onions, and
Chives
Amanita spp. - Monkey Agaric,
Panther Cap, Death Cap, and
Death Angel Mushrooms
A. muscaria - Fly Agaric
A. pantherina - Panther
A. verna - Destroying Angels
Amaranthus spp. - Pigweed
Amsinckia intermedia - Fiddleneck
Apocynum spp. - Dogbane
Argemone mexicana - Prickly
Poppy or Mexican Poppy
Arisaema spp. - Jack in the Pulpit
Asclepias spp. - Milkweed
Astragalus and Oxytropis spp. -
Locoweed
Atropa belladonna - Belladonna
or Deadly Nightshade
Brassica spp. - Rape, Cabbage,
Turnips, Broccoli, Mustard
Caltha palustris - Marsh Marigold
or Cowslip
Cannabis sativa - Marijuana
Centaurea solstitialis - Yellow
Star Thistle
Chelidonium majus - Celandine
Chenopodium album - Lambs
Quarters
Cicuta spp. - Water Hemlock or
Cowbane
Claviceps spp. - Ergot
Conium maculatum - Poison
Hemlock
Coronilla varia - Crown Vetch
Convallaria majalis - Lily of the
Valley
Daphne spp. - Daphne
Datura spp. - Jimsonweed, Downy
Thornapple, Devils Trumpet,
Angels Trumpet
Delphinium spp. - Delphiniums and
Larkspurs
Dicentra spp. - Bleeding Heart,
Squirrel Corn, Dutchmans Breeches
Digitalis purpurea - Foxglove
Equisetum arvense and other
spp. - Horsetail
Eupatorium rugosum - White
Snakeroot
Euphorbia spp. - Poinsettia,
Spurges, Snow on the Mountain
Fagoypyrum esculentum -
Buckwheat
Festuca arundinacea - Tall Fescue
Gelsemium sempervirens -
Jessamine
Glechoma spp. - Ground Ivy,
Creeping Charlie, and Gill over the
Ground
Halogeton glomeratus - Halogeton
Helleborus niger - Christmas Rose
Hyoscyanamus niger - Henbane
Hypericum perforatum - St.
Johns Wort, Klamath Weed
Iris spp. - Irises
Laburnum anagyroides - Golden
Chain or Laburnum
Lantana camara - Lantana, Red
Sage, Yellow Sage, or West Indian
Lantana
Lathyrus spp. - Sweet Pea, Tangier
Pea, Everlasting Pea, Caley Pea
and Singletary Pea
Leucothoe axillaris and Leucothoe
davisiae - Drooping Leucothoe and
Sierra Laurel
Linum usitatissimum - Flax
Lobelia spp. - Great Lobelia, Cardinal
Flower, and Indian Tobacco
Lotus corniculatus - Birdsfoot Trefoil
Lupinus spp. - Lupine
Medicago sativa - Alfalfa or Lucerne
Metilotus alba and Melilotus
officinalis - White and Yellow
Sweetclover
Menispermum canadense -
Moonseed
Nerium oleander - Oleander
Nicotiana spp. - Tobacco and Tree
Tobacco
Onoclea sensibilis - Sensitive Fern
Ornithogalum umbellatum - Star of
Bethlehem
Papaver spp. - Various Poppies
including Opium Poppy
Phytolacca americana - Pokeweed
Pieris japonica and other spp. -
Japanese Pieris, Mountain
Fetterbrush
Pinus ponderosa - Ponderosa Pine
Podophyllum peltatum - Mayapple
and Mandrake
Prunus spp. - Wild Cherries, Black
Cherry, Bitter Cherry, Choke
Cherry, Pin Cherry
Pteridium aquilinium - Bracken Fern
Quercus spp. - Oak Trees
Ranunculus spp. - Buttercups or
Crowfoot
Rheum rhaponticum - Rhubarb
Ricinus communis - Castor Bean
Robinia pseudoacacia - Black Locust
Rumex spp. - Dock
Sambucus canadensis - Elderberry
Sanquinaria canadensis - Bloodroot
Saponaria spp. - Bouncing Bet and
Cow Cockle
Senecio spp. - Senecio, Groundsels,
and Ragworts
Solanum spp. - Common Nightshade,
Black Nightshade, Horse Nettle,
Buffalo Bur, Potato
Sorghum spp. - Sorghum or Milo,
Sudan Grass, and Johnson Grass
Symplocarpus foetidus - Eastern
Skunk Cabbage
Taxus cuspidata - Yew
Tetradymia spp. - Horsebrush
Toxicodendron diversiloba - Poison
oak
Toxicodendron radicans - Poison ivy
Toxicodendron vernix - Poison Sumac
Trifolium spp. - Alsike Clover, Red
Clover, White Clover
Triglochin maritima - Arrowgrass
Urtica spp. - Stinging Nettle
Vicia spp. - Common Vetch, Hairy
Vetch, Narrow leaved Vetch, Purple
Vetch and Broad Beans
Veratrum californicum - Corn Lily,
False Hellbore
Wisteria spp. - Wisteria
Xanthium strumarium - Cocklebur
Zigadenus spp. - Death Camas