GUIDE TO POISONOUS PLANTS
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Complete List of Plants
141 Plants matching your search criteria found.
Common Name
Botanic Name
Plant Image
Map
Adonis, Summer pheasants eye
Adonis species
No Map Available
Alsike clover
Trifolium hybridum
Angel's trumpet
Brugmansia species
No Map Available
Arrow grass, pod grass, goose grass
Triglochin maritima
Autumn crocus, meadow saffron
Colchicum autumnale
No Map Available
Avocado
Persea americana
No Image Available
No Map Available
Baccharis, Desert broom, false willow, silverling, yerba manza, yerba de pasmo
Baccharis spp.
No Map Available
Baneberry
Actea rubra
Bindweed, wild morning-glory
Convolvulus arvensis
Bitterweeds, rubberweed, Pingue
Hymenoxys
No Map Available
Black Henbane, hogs bean
Hyoscyamus niger
Black Locust, locust, false acacia
Robinia pseudoacacia
Black walnut
Juglans nigra
Blue Flax, common flax.
Linum perenne (an introduced species that is common and invasive) Linum lewisii (native species). Linum usitatissimum (introduced species)
Bouncing bet, Soapweed
Saponaria officinalis
Bracken fern, brake fern, eagle fern
Pteridium aquilinum
Buckeye, horse chestnut
Aesculus spp.
Buckwheat
Fagopyrum esculentum
Buffalo bur, Kansas thistle, duraznillo
Solanum rostratum
Burdock, lesser burdock, burweed
Arctium spp.
No Map Available
Buttercup, crowsfoot
Ranunculus spp. Among the buttercups considered more toxic to animals than others are R. scleratus, R. flammula, R. parviflora, R. acris, R. abortivus, R. repens, R. cymbalaria, and R. testiculatus
Carolina jessamine, yellow jessamine, evening trumpet vine
Gelsemium sempervirens
No Map Available
Castor bean, castor oil plant, higuerilla, palma Christi
Ricinus communis
China berry, Persian lilac, white cedar, Texas umbrella tree
Melia azaderach
No Map Available
Choke cherry
Prunus virginiana
Clematis, Virgin's bower, traveller's joy, leather flower
Clematis (200 species)
No Map Available
Cocklebur
Xanthium spp.
Colorado Rubber Weed, Pingue, Bitterweed
Hymenoxys richardsonii
Cow cockle, spring cockle, dairy pink
Vaccaria hispanica
No Image Available
Crotolaria, rattlepod
Crotolaria spectabilis
Crown vetch
Coronilla varia
No Map Available
Curly leafed dock, sorrel
Rumex crispus
Day blooming jasmine, night blooming jasmine, Cestrum
Cestrum species
No Map Available
Death Camas
Zigadenus spp.
Desert Baileya
Baileya multiradiata
No Map Available
Dogbane, Indian hemp.
Apocynum cannabinum
Elderberry
Sambucus species
False-hellebore, Skunk cabbage, corn-lily.
Veratrum californicam. American false hellebore (V. viride) is the most common and is found in most northern States from East to West including Canada. Others species include V. alblum
Fiddleneck, tarweed, yellow bur weed
Amsinckia intermedia
Flatweed, cat's ears, false dandelion
Hypochaeris radicata
No Map Available
Flixweed
Descurainia sophia
Fly Poison, Staggergrass
Amianthium muscaetoxicum (chrosperma muscaetoxicum)
No Map Available
Foothills Larkspur
Delphinium geyeri
Foxglove
Digitalis purpurea
Fringed sage, sagewort
Artemesia frigida
Goats Rue, professor weed, French lilac
Galega officinalis
No Map Available
Golden banner, yellow pea, false lupine
Thermopsis montana
Golden chain tree
Laburnum anagyroides
No Map Available
Greasewood, chico
Sarcobatus vermiculatus
Ground cherry, Chinese lantern
Physalis spp.
Gum weed, Resinweed
Grindellia squarosa
Hairy Vetch
Vicia villosa
No Map Available
Halogeton, bavilla
Halogeton glomeratus
Hemlock, poison hemlock, spotted hemlock.
Conium maculatum
Hoary alyssum
Berteroa incana
No Map Available
Horse brush
Tetradymia canscens
Horse chestnut, buckeyes
Aesculus species
Horse nettle, Carolina horse nettle, bull nettle
Solanum carolinense
Horsebrush
Tetradymia canescens-spineless horsebrush
Horsetails, scouring rush
Equisetum arvense
No Map Available
Hound's Tongue, beggar’s lice, dog’s tongue, sheep bur, dog bur, glovewort, and woolmat.
Cynoglossum officinale
Japanese Pieris
Pieris japonica
No Map Available
Jessamine, Carolina jessamine, yellow jessamine
Gelsemium sempervirens
No Map Available
Jimmy weed, burrow weed, rayless goldenrod
Isocoma pluriflora (Haplopappus heterophyllus, Iscoma wrightii, Aplopappus)
No Map Available
Jimson weed, Thorn apple
Datura stramonium
Johnson grass
Sorghum halapense
Kentucky coffee tree
Gymnocladus dioica
No Map Available
Kochia weed, Mexican fire weed, summer cypress, morenita
Kochia scoparia
Lamb's Quarter
Chenopodium spp.
No Map Available
Lantana
Lantana camara
Larkspur
Delphinium barbeyi. There are several similar species of tall larkspur, the most common of which are D. glaucescens, and D. occidentale.
No Map Available
Laurel , mountain laurel, calico bush
Kalmia species
No Map Available
Leafy Spurge
Euphorbia esula
Leucaena, Whitelead tree, Guaje, Huaxin, Koa haole
Leucaena leucocephala
No Map Available
Lily of the Nile, Agapanthus Lily, African blue lily
Agapanthus africanus
No Map Available
Lily of the valley
Convallaria majalis
No Map Available
Lily, Easter lily, Asiatic lily, tiger lily
Lilium species
No Map Available
Locoweed, white point-locoweed, crazy weed
Oxytropis sericea
Low larkspur, foot-hills larkspur and plains larkspur
Delphinium nuttallianum, D. andersonii, D. bicolor (low larkspur). Delphinium geyeri (Foot-hills larkspur), D. virescens (Plains larkspur)
Lupine, blue bonnet
Lupinus species (100 species in North America)
May apple
Podophyllum peltatum
No Map Available
Milkweed
Asclepias species
Monkshood, Aconite
Aconitum species
Mountain mahogony
Cercocarpus montanus
Nandina, heavenly bamboo, Chinese heavenly bamboo.
Nandina domestica
No Map Available
Narcissus, daffodil
Narcissus species
No Map Available
Nightshade, black nightshade, deadly nightshade.
Solanum nigrum
Nolina, bear grass,sacahuiste, bunch grass
Nolina texana
No Map Available
Oak
Quercus gambelii - Gambel's oak
Oleander, rose laurel
Nerium oleander
Onions
Allium spp.
Orange Sneezeweed
Dugaldia hoopesii (Helenium hoopesii)
Oxalis, wood sorrel, soursob, creeping oxalis,
Oxalis spp.
Paintbrush, Indian Paintbrush
Castilleja species
Penstemon, beard tongue
Penstemon species
Perilla mint, beafsteak plant
Perilla frutescens
No Map Available
Pig weed, amaranth
Amaranthus retroflexus
Poinsettia
Euphorbia pulcherrima
No Map Available
Poison ivy
Toxicodendron radicans (Rhus)
No Map Available
Poison sumac
Toxicodendron vernix
No Map Available
Ponderosa pine
Pinus ponderosa
Prince's plume
Stanleya pinnata
Puncture vine, goats head, caltrop.
Tribulus terrestris
Purple locoweed, Lambert's crazy weed
Oxytropis lambertii
No Map Available
Purslane, pusley
Portulaca
Rain lily, atamasco lily, fairy lily, prairie lily
Zephyranthes atamasco
No Map Available
Red Clover
Trifolium pratense
No Map Available
Red Maple
Acer rubrum
No Map Available
Rhododendron
Rhododendron
No Map Available
Russian knapweed
Acroptilon (Centaurea) repens
Russian thistle, tumble weed
Salsola kali.
Sacred Datura, Tolguacha
Datura meteloides
Salt bush
Atriplex spp.
Sand sage
Artemisia filifolia.(Absinthum species)
Sandbur
Cenchrus longispinus
Scotch Broom
Cytisus scoparius
No Map Available
Senecio, groundsel, tansy ragwort
Senecio species
Service berry, Saskatoon berry, June berry
Amelanchier alnifolia, (A. humilis)
Silverleaf night shade, trompillo
Solanum elaeagnifolium
Snakeweed, broomweed, turpentine weed.
Gutierrezia sarothrae
Sneezeweeds, bitterweed
Helenium species
Snow on the Mountain
Euphorbia marginata
Sophora, Texas mountain laurel, mescal bean, coral bean, Frijollito
Sophora secundiflora
No Map Available
Spotted or blue locoweed
Astragalus lentiginosus
St. Johnswort, Klamath weed, goat weed, tipton weed
Hypericum perforatum
Suckleya, poison suckleya
Suckleya suckleyana
Sudan grass
Sorghum sudanensis
No Map Available
Tansy mustard
Descurainia pinata
Tree tobacco
Nicotiana glauca
No Map Available
Two-grooved milk vetch
Astragalus bisulcatus
Vipers's bugloss, blueweed
Echium vulgare
Virginia creeper, woodbine
Parthenosisus quinquefoliua
No Map Available
Water Hemlock
Cicuta douglasii, C. maculata- spotted water hemlock
White snakeroot, Rich weed, white sanicle, white top, squaw weed,
Ageratina altisima (Eupatorium rugosum)
No Map Available
Woody Aster
Xylorrhiza glabriuscula
Woolly Locoweed
Astragalus mollissimus
Yellow Oleander, 'Be-still tree', Lucky nut
Thevetia peruviana, Thevetia thevetioides
No Map Available
Yellow star thistle, St Barneby's thistle
Centaurea solstitialis
Yellow sweet clover
Melilotus officinalis, M. Alba (White sweet clover)
Yew
Taxus spp.
Zamia integrifolia (Z. floridana)
Coontie, Sago palm, chamal, coyolillo
No Map Available
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