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Plants Toxic To Horses

From ASPCA

Toxic and Non-Toxic Plant List - Horses

Plants Toxic to Horses
Adam-and-Eve (Arum, Lord-and-Ladies, Wake Robin, Starch Root, Bobbins, Cuckoo Plant) | Scientific Name: Arum maculatum | Family: Araceae
African Wonder Tree | Scientific Name: Ricinus communis |
Alocasia (Elephant's Ear) | Scientific Name: Alocasia spp. | Family: Araceae
Alsike Clover | Scientific Name: Trifolium hybridum | Family: Leguminosae
Ambrosia Mexicana (Jerusalem Oak, Feather Geranium) | Scientific Name: Chenopodium botrys | Family: Chenopodiaceae
American Bittersweet (Bittersweet, Waxwork, Shrubby Bittersweet, False Bittersweet, Climbing Bittersweet) | Scientific Name: Celastrus scandens | Family: Celastraceae
American Holly (English Holly, European Holly, Oregon Holly, Inkberry, Winterberry) | Scientific Name: Ilex opaca | Family: Aquifoliaceae
American Mandrake (Mayapple, Indian Apple Root, Umbrella Leaf, Wild Lemon, Hog Apple, Duck's Foot, Raccoonberry) | Scientific Name: Podophyllum peltatum | Family: Berberidaceae
American Yew | Scientific Name: Taxus canidensus | Family: Taxaceae
Angelica Tree (Hercules' Club, Devil's Walking Stick, Prickly Ash, Prickly Elder) | Scientific Name: Aralia spinosa | Family: Araliaceae
Apple (Includes crabapples) | Scientific Name: Malus sylvestrus | Family: Rosaceae
Apricot (Group also includes Plum, Peach, Cherry) | Scientific Name: Prunus armeniaca | Family: Rosaceae
Arum (Cuckoo-pint, Lord-and-Ladies, Adam-and-Eve, Starch Root, Bobbins, Wake Robin) | Scientific Name: Arum maculatum | Family: Araceae
Autumn Crocus (Meadow Saffron) | Scientific Name: Colchicum autumnale | Family: Liliaceae
Avocado (Alligator Pear) | Scientific Name: Persea americana | Family: Lauraceae
Azalea (Rosebay, Rhododendron) | Scientific Name: Rhododendron spp | Family: Ericaceae
Barnaby's Thistle (Yellow Star Thistle) | Scientific Name: Centaurea solstitialis | Family: Compositae
Bead Tree (China Ball Tree, Paradise Tree, Persian Lilac, White Cedar, Japanese Bead Tree, Texas Umbrella Tree, Pride-of-India, Chinaberry Tree) | Scientific Name: Melia azedarach | Family: Meliaceae
Bergamot Orange (Bergamot, Citrus bergamia) | Scientific Name: Citrus Aurantium | Family: Rutaceae
Bird of Paradise Flower (Crane Flower, Bird's Tongue Flower) | Scientific Name: Strelitzia reginae | Family: Strelitziaceae
Bird's Tongue Flower (Bird of Paradise Flower, Crane Flower) | Scientific Name: Strelitzia reginae | Family: Strelitziaceae
Bishop’s Weed (Greater Ammi, False Queen Anne's Lace) | Scientific Name: Ammi majus | Family: Apiaceae
Bitter Root (Dogbane Hemp, Indian Hemp) | Scientific Name: Apocynum androsaemifolium | Family: Apocynaceae
Black Calla (Solomon's Lily, Wild Calla, Wild Arum) | Scientific Name: Arum palestinum | Family: Araceae
Black Laurel (Dog Hobble, Dog Laurel, Fetter Bush, Sierra Laurel) | Scientific Name: Leucothoe davisiae | Family: Ericaceae
Black Nightshade (Nightshade, Deadly Nightshade) | Scientific Name: Solanum nigrum | Family: Solanaceae
Black Walnut | Scientific Name: Juglans nigra | Family: Juglandaceae
Blackjack Pine (Ponderosa Pine, Western Yellow Pine, Yellow Pine, Bull Pine) | Scientific Name: Pinus ponderosa | Family: Pinaceae
Bobbins (Arum, Lord-and-Ladies, Adam-and-Eve, Starch Root, Wake Robin, Cuckoo Plant) | Scientific Name: Arum maculatum | Family: Araceae
Bog Laurel (Pale Laurel, Bog Kalmia) | Scientific Name: Kalmia poliifolia | Family: Ericaceae
Boxwood | Scientific Name: Buxus sp. | Family: Buxaceae
Bracken Fern (Brake Fern, Umbewe, Brake, Pasture Bracken, Hog-Pasture Bracken, Eagle fern, Umhlashoshana, Adelaarsvaring) | Scientific Name: Pteridium aquilinum | Family: Polypodiaceae
Brake Fern (Braken Fern, Umbewe, Brake, Pasture Bracken, Hog-Pasture Bracken, Eagle fern, Umhlashoshana, Adelaarsvaring) | Scientific Name: Pteridium aquilinum | Family: Polypodiaceae
Branching Ivy (English Ivy, Glacier Ivy, Needlepoint Ivy, Sweetheart Ivy, California Ivy) | Scientific Name: Hedera helix | Family: Araliaceae
Bread and Butter Plant (Indian Borage, Spanish Thyme, Coleus, Maratha, Militini, East Indian Thyme) | Scientific Name: Coleus ampoinicus | Family: Labiatae
Brunfelsia (Yesterday, Today, Tomorrow, Kiss-Me-Quick, Lady-of-the-Night, Fransiscan Rain Tree) | Scientific Name: Brunfelsia species | Family: Solanaceae
Buckeye (Horse Chestnut) | Scientific Name: Aesculus spp | Family: Hippocastanaceae
Buckwheat | Scientific Name: Fagopyrum species | Family: Polygonaceae
Buddhist Pine (Yew Pine, Japanese Yew, Southern Yew, Podocarpus) | Scientific Name: Podocarpus macrophylla | Family: Podocarpaceae
Bull Pine (Ponderosa Pine, Western Yellow Pine, Yellow Pine, Blackjack Pine) | Scientific Name: Pinus ponderosa | Family: Pinaceae
Burning Bush (Wahoo, Spindle Tree) | Scientific Name: Euonymus atropurpurea | Family: Celastraceae
Buttercup (Butter Cress, Figwort) | Scientific Name: Ranunculus sp. | Family: Ranunculaceae
Calamondin Orange | Scientific Name: Citrus mitis | Family: Rutaceae
Cape Jasmine (Gardenia) | Scientific Name: Gardenia jasminoides | Family: Rubiaceae
Cardboard Palm (cycads and zamias) | Scientific Name: Zamia furfuracea | Family: Cycadaceae
Cardinal Flower (Lobelia, Indian Pink) | Scientific Name: Lobelia cardinalis | Family: Campanulaceae
Carolina Maple (Swamp Maple, Scarlet Maple, Red Maple, Curled Maple, Acer Sanguineum, Soft Maple, Rufacer Rubrum) | Scientific Name: Acer rubrum | Family: Aceraceae
Castor Bean Plant (Castor Oil Plant, Mole Bean Plant, African Wonder Tree, Castor Bean) | Scientific Name: Ricinus communis | Family: Euphorbiaceae
Catsear (Flatweed, Cat's Ear, False Dandelion) | Scientific Name: Hypochaeris radicata | Family: Asteraceae
Chamomile (Manzanilla, Garden Chamomile, Roman Chamomile, True Chamomile, Corn Feverfew, Barnyard Daisy, Ground-apple, Turkey-weed) | Scientific Name: Anthemis nobilis | Family: Compositae
Charlock (Wild Mustard, California Rape) | Scientific Name: Brassica kaber | Family: Cruciferae
Cherry | Scientific Name: Prunus species | Family: Rosaceae
Chinaberry Tree (Bead Tree, China Ball Tree, Paradise Tree, Persian Lilac, White Cedar, Japanese Bead Tree, Texas Umbrella Tree, Pride-of-India) | Scientific Name: Melia azedarach | Family: Meliaceae
Chinese Evergreen | Scientific Name: Aglaonema modestrum | Family: Araceae
Christmas Rose (Hellebore, Lenten Rose, Easter Rose) | Scientific Name: Helleborus niger | Family: Ranunculaceae
Chrysanthemum (Daisy, Mum; many varieties) | Scientific Name: Chrysanthemum spp. | Family: Compositae
Clematis (Virgin’s Bower, Leatherflower) | Scientific Name: Clematis sp. | Family: Ranunculaceae
Climbing Bittersweet (Bittersweet, Waxwork, Shrubby Bittersweet, False Bittersweet, Climbing Bittersweet, American Bittersweet) | Scientific Name: Celastrus scandens | Family: Celastraceae
Climbing Nightshade (European Bittersweet, Deadly Nightshade, Violet Bloom, Blue Nightshade, Soda Apple, Poisonous Nightshade, Felonwort, Devil's Apple, Scarlet Berry, Woody Nightshade, Blue Blindweed) | Scientific Name: Solanum dulcamara | Family: Solanaceae
Coffee Tree (Wild Coffee, Geranium-Leaf Aralia) | Scientific Name: Polyscias guilfoylei | Family: Araliaceae
Coleus (Indian Borage, Bread and Butter Plant, Spanish Thyme, East Indian Thyme, Stinging Thyme, Country Boarage; many others) | Scientific Name: Coleus ampoinicus | Family: Labiatae
Common Privet (Privet, Amur, Wax-leaf) | Scientific Name: Ligustrum vulgare | Family: Oleaceae
Coontie Palm (Sago Palm, Cardboard Palm, cycads and zamias) | Scientific Name: Zamia pumila | Family: Cycadaceae
Cow parsnip (Giant Hogweed) | Scientific Name: Heracleum maximum | Family: Apiaceae
Cowbane (Water Hemlock, Poison Parsnip) | Scientific Name: Cicuta species | Family: Apiaceae
Cuckoo-pint (Arum, Lord-and-Ladies, Adam-and-Eve, Starch Root, Bobbins, Wake Robin) | Scientific Name: Arum maculatum | Family: Araceae
Cycads (Sago Palm, Fern Palm) | Scientific Name: Cycas and Zamia species | Family: Cycadaceae
Daffodil (Narcissus, Jonquil, Paper White) | Scientific Name: Narcissus spp | Family: Amaryllidaceae
Deadly Nightshade (Nightshade, Black Nightshade, European Bittersweet, Climbing Nightshade) | Scientific Name: Solanum spp | Family: Solanaceae
Desert Azalea (Desert Rose, Mock Azalea, Sabi Star, Impala Lily, Kudu Lily) | Scientific Name: Adenium obesum | Family: Apocynaceae
Desert Rose (Desert Azalea, Mock Azalea, Sabi Star, Impala Lily, Kudu Lily) | Scientific Name: Adenium obesum | Family: Apocynaceae
Dock (Sorrel) | Scientific Name: Rumex sp. | Family: Polygonaceae
Dog Daisy (Dog Fennel) | Scientific Name: Achillea millefolium | Family: Compositae
Dog Hobble (Dog Laurel, Fetter Bush, Black Laurel) | Scientific Name: Leucothoe sp. | Family: Ericaceae
Dogbane Hemp (Bitterroot, Indian Hemp) | Scientific Name: Apocynum | Family: Apocynaceae
Dwarf Poinciana (Barbados Pride, Peacock Flower) | Scientific Name: Caesalpinia pulcherrima | Family: Fabaceae
Easter Rose (Hellebore, Christmas Rose, Lenten Rose) | Scientific Name: Helleborus niger | Family: Ranunculaceae
Emerald Feather (Emerald Fern, Asparagus, Asparagus fern, Sprengeri fern, Plumosa fern, Lace fern, Racemose asparagus, Shatavari) | Scientific Name: Asparagus densiflorus | Family: Liliaceae
English Holly (European Holly, Oregon Holly, Inkberry, Winterberry, American Holly) | Scientific Name: Ilex aquifolium | Family: Aquifoliaceae
English Ivy (Branching Ivy, Glacier Ivy, Needlepoint Ivy, Sweetheart Ivy, California Ivy) | Scientific Name: Hedera helix | Family: Araliaceae
English Yew (Western Yew, Pacific Yew, Japanese Yew, Anglo-Japanese Yew) | Scientific Name: Taxus baccata | Family: Taxaceae
Eucalyptus (Many cultivars) | Scientific Name: Eucalyptus species | Family: Myrtaceae
European Bittersweet (Climbing Nightshade, Deadly Nightshade) | Scientific Name: Solanum dulcamara | Family: Solanaceae
European Holly (European Holly, Oregon Holly, Inkberry, Winterberry, American Holly, English Holly) | Scientific Name: Ilex aquifolium | Family: Aquifoliaceae
Everlasting Pea (Sweet Pea, Perennial Pea) | Scientific Name: Lathyrus latifolius | Family: Fabaceae
False Bittersweet (American Bittersweet) | Scientific Name: Celastrus scandens | Family: Celastraceae
False Queen Anne’s Lace (Bishop's Weed, Greater Ammi) | Scientific Name: Ammi majus | Family: Apiaceae
Fern Palm (Sago Palm, Cycads) | Scientific Name: Cycas species | Family: Cycadaceae
Fetter Bush (Dog Laurel, Dog Hobble, Black Laurel) | Scientific Name: Leucothoe sp. | Family: Ericaceae
Fetterbush (Staggerberry, Maleberry) | Scientific Name: Lyonia sp. | Family: Ericaceae
Fiddleneck | Scientific Name: Amsinckia species | Family: Boraginaceae
Field Horsetail (Scouring rush, Common horsetail, Western horsetail) | Scientific Name: Equisetum arvense | Family: Equisetaceae
Field Pennycress | Scientific Name: Thlaspi arvense | Family: Brassicaceae
Fig (Weeping Fig, Indian Rubber Plant) | Scientific Name: Ficus benjamina | Family: Moraceae
Figwort (Buttercup, Butter Cress, Burwort, Crowfoot burwort) | Scientific Name: Ranunculus acris | Family: Ranunculaceae
Fleabane (Showy Daisy, Horseweed, Seaside Daisy) | Scientific Name: Erigeron speciosus | Family: Asteraceae
Foxglove | Scientific Name: Digitalis purpurea | Family: Scrophalariaceae
Franciscan Rain Tree (Yesterday, Today, Tomorrow, Lady-of-the-Night, Morning-Noon-and-Night, Kiss-Me-Quick) | Scientific Name: Brunfelsia species | Family: Solanaceae
Gardenia (Cape Jasmine) | Scientific Name: Gardenia jasminoides | Family: Rubiaceae
Garlic (Stinking Rose, Rustic Treacle, Comphor of the Poor, Nectar of the Gods, Serpet Garlic, Rocambole) | Scientific Name: Allium sativum | Family: Liliaceae
Geranium-Leaf Aralia (Wild Coffee, Coffee Tree) | Scientific Name: Polyscias guilfoylei | Family: Araliaceae
Giant Hogweed (Cow Parsnip) | Scientific Name: Heracleum maximum | Family: Apiaceae
Glacier Ivy (English Ivy, Branching Ivy, Needlepoint Ivy, Sweetheart Ivy, California Ivy) | Scientific Name: Hedera helix | Family: Araliaceae
Gladiola (Many cultivars) | Scientific Name: Gladiolus species | Family: Iridaceae
Gloriosa Lily (Glory Lily, Climbing Lily, Superb Lily) | Scientific Name: Gloriosa superba | Family: Liliaceae
Goatweed | Scientific Name: Hypericum perforatum | Family: Clusiaceae
Golden Ragwort (Ragwort) | Scientific Name: Senecio species | Family: Compositae
Good Luck Plant (Shamrock Plant, Sorrel) | Scientific Name: Oxalis spp. |
Grapefruit | Scientific Name: Citrus paradisii | Family: Rutaceae
Greater Ammi (Bishop's Weed, False Queen Anne's Lace) | Scientific Name: Ammi majus | Family: Apiaceae
Ground Apple (Chamomile, Garden Chamomile, Roman Chamomile) | Scientific Name: Anthemis nobilis | Family: Asteraceae
Groundsel (Ragwort, Senecio) | Scientific Name: Senecio species | Family: Compositae
Hahn's Self Branching English Ivy (Branching Ivy, Glacier Ivy, Needlepoint Ivy, Sweetheart Ivy, California Ivy, English Ivy) | Scientific Name: Hedera helix | Family: Araliaceae
Hashish (Marijuana, Indian Hemp) | Scientific Name: Cannabis sativa | Family: Cannabaceae
Heavenly Bamboo (Sacred Bamboo, Nandina) | Scientific Name: Nandina domestica | Family: Berberidaceae
Heliotrope | Scientific Name: Heliotropium species | Family: Boraginaceae
Hellebore (Christmas Rose, Lenten Rose, Easter Rose) | Scientific Name: Helleborus niger | Family: Ranunculaceae
Hercules' Club (Angelica Tree, Devil's Walking Stick, Prickly Ash, Prickly Elder) | Scientific Name: Aralia spinosa | Family: Araliaceae
Hibiscus (Rose of Sharon, Rose of China) | Scientific Name: Hibiscus syriacus | Family: Malvaceae
Hills of Snow (Hydrangea, Hortensia, Seven Bark) | Scientific Name: Hydrangea arborescens | Family: Hydrangeaceae
Hoary Alyssum | Scientific Name: Berteroa incana | Family: Brassicaceae
Holly (English Holly, European Holly, Oregon Holly, Inkberry, Winterberry, American Holly) | Scientific Name: Ilex opaca | Family: Aquifoliaceae
Horse Chestnut (Buckeye) | Scientific Name: Aesculus glabra | Family: Hippocastanaceae
Horseweed (Showy Daisy, Fleabane, Seaside Daisy) | Scientific Name: Erigeron speciosus | Family: Asteraceae
Hortensia (Hydrangea, Hills of Snow, Seven Bark) | Scientific Name: Hydrangea arborescens | Family: Hydrangeaceae
Hosta (Plantain Lily, Funkia) | Scientific Name: Hosta plataginea | Family: Liliaceae
Hound's Tongue | Scientific Name: Cynoglossum amabile | Family: Boraginaceae
Hyacinth | Scientific Name: Hyacinthus orientalis | Family: Liliaceae
Hydrangea (Hortensia, Hills of Snow, Seven Bark) | Scientific Name: Hydrangea arborescens | Family: Hydrangeaceae
Indian Apple (Mayapple, Indian Apple Root, Umbrella Leaf, Wild Lemon, Hog Apple, Duck's Foot, Raccoonberry, American Mandrake) | Scientific Name: Podophyllum peltatum | Family: Berberidaceae
Indian Borage (Bread and Butter Plant, Spanish Thyme, Coleus, Maratha, Militini, East Indian Thyme) | Scientific Name: Coleus ampoinicus | Family: Labiatae
Indian Hemp (Marijuana, Hashish) | Scientific Name: Cannabis sativa | Family: Cannabaceae
Indian Hemp (Dogbane Hemp, Bitter Root) | Scientific Name: Apocynum androsaemifolium | Family: Apocynaceae
Indian Pink (Lobelia, Cardinal Flower) | Scientific Name: Lobelia cardinalis | Family: Campanulaceae
Inkberry (English Holly, European Holly, Oregon Holly, American Holly, Winterberry) | Scientific Name: Ilex opaca | Family: Aquifoliaceae
Jack-in-the-pulpit (Three-leaved indian turnip, Devil's dear, Wake robin, Starch wort, Wild turnip, Dragon root, Bog onion, Pepper turnip, Brown dragon, Memory root) | Scientific Name: Arisaema triphyllum | Family: Araceae
Japanese Yew (English Yew, Western Yew, Pacific Yew, Anglo-Japanese Yew) | Scientific Name: Taxus sp. | Family: Taxaceae
Jerusalem Cherry (Natal cherry, Winter cherry) | Scientific Name: Solanum pseudocapsicum | Family: Solanaceae
Jimmy Weed (Burrow Weed) | Scientific Name: Haplopappus heterophyllus | Family: Mimosaceae
Jonquil (Daffodil, Narcissus, Paper White) | Scientific Name: Narcissus jonquilla | Family: Amaryllidaceae
Kaffir Lily (Clivia Lily) | Scientific Name: Clivia minata | Family: Amaryllidaceae
Kiss-me-quick (Yesterday, Today, Tomorrow, Lady-of-the-Night, Morning-Noon-and-Night, Fransiscan Rain Tree) | Scientific Name: Brunfelsia species | Family: Solanaceae
Klamath Weed (St. John's Wort) | Scientific Name: Hypericum perforatum | Family: Clusiaceae
Kudu Lily (Desert Azalea, Mock Azalea, Sabi Star, Impala Lily, Desert Rose) | Scientific Name: Adenium obesum | Family: Apocynaceae
Lady-of-the-night (Yesterday, Today, Tomorrow, Kiss-Me-Quick, Morning-Noon-and-Night, Fransiscan Rain Tree) | Scientific Name: Brunfelsia species | Family: Solanaceae
Lambkill (Sheep Laurel) | Scientific Name: Kalmia augustifolia | Family: Ericaceae
Larkspur | Scientific Name: Delphinium species | Family: Ranunculaceae
Laurel (Mountain laurel, Spoonwood, Mountain Ivy, Calico Bush, Ivy Bush) | Scientific Name: Kalmia latifolia | Family: Ericaceae
Leatherflower (Clematis, Virgin's Bower) | Scientific Name: Clematis sp. | Family: Ranunculaceae
Leek (Elephant Garlic) | Scientific Name: Allium ampeloprasum | Family: Liliaceae
Lemon | Scientific Name: Citrus limonia | Family: Rutaceae
Lenten Rose (Hellebore, Christmas Rose, Easter Rose) | Scientific Name: Helleborus niger | Family: Ranunculaceae
Lily of the Valley | Scientific Name: Convallaria majalis | Family: Liliaceae
Lily-of-the-Valley Bush (Andromeda Japonica, Pieris) | Scientific Name: Pieris japonica | Family: Ericaceae
Lime | Scientific Name: Citrus aurantifolia | Family: Rutaceae
Lobelia (Cardinal Flower, Indian Pink) | Scientific Name: Lobelia cardinalis | Family: Campanulaceae
Loco Weed | Scientific Name: Astragalus and Oxytropis species | Family: Fabaceae
Locust | Scientific Name: Robinia species | Family: Mimosaceae
Lord-and-Ladies (Arum, Wake Robin, Adam-and-Eve, Starch Root, Bobbins, Cuckoo Plant) | Scientific Name: Arum maculatum | Family: Araceae
Maidens Breath (Baby's Breath) | Scientific Name: Gypsophila elegans | Family: Caryophyllaceae
Maleberry (Staggerbush, Fetterbush) | Scientific Name: Lyonia sp. | Family: Ericaceae
Marijuana (Indian Hemp, Hashish) | Scientific Name: Cannabis sativa | Family: Cannabaceae
Mayapple (Indian Apple Root, Umbrella Leaf, Wild Lemon, Hog Apple, Duck's Foot, Raccoonberry, American Mandrake) | Scientific Name: Podophyllum peltatum | Family: Berberidaceae
Mayweed (Poison Daisy, Stinking Chamomile) | Scientific Name: Anthemis cotula | Family: Asteraceae
Meadow Saffron (Autumn Crocus) | Scientific Name: Colchicum autumnale | Family: Liliaceae
Milfoil (Yarrow) | Scientific Name: Achillea millefolium | Family: Asteraceae
Milkweed | Scientific Name: Asclepias species | Family: Asclepiadaceae
Mistletoe "American" (American Mistletoe) | Scientific Name: Phoradendron flavescens | Family: Viscaceae
Mole Bean Plant | Scientific Name: Ricinus communis | Family: Euphobiaceae
Morning-Noon-and-Night (Yesterday, Today, Tomorrow, Kiss-Me-Quick, Lady-of-the-Night, Fransiscan Rain Tree) | Scientific Name: Brunfelsia species | Family: Solanaceae
Moss Rose (Wild Portulaca, Rock Moss, Purslane, Pigwee, Pusley) | Scientific Name: Portulaca oleracea | Family: Portulacaceae
Mountain Laurel | Scientific Name: Kalmia latifolia | Family: Ericaceae
Mum (Chrysanthemum, Daisy) | Scientific Name: Chrysanthemum spp. | Family: Compositae
Nandina (Sacred Bamboo, Heavenly Bamboo) | Scientific Name: Nandina domestica | Family: Berberidaceae
Narcissus (Daffodil, Jonquil, Paper White) | Scientific Name: Narcissus spp | Family: Amaryllidaceae
Needlepoint Ivy (Branching Ivy, Glacier Ivy, English Ivy, Sweetheart Ivy, California Ivy) | Scientific Name: Hedera helix | Family: Araliaceae
Nicotiana (Tree Tobacco, Tobacco, Mustard Tree) | Scientific Name: Nicotiana glauca | Family: Solanaceae
Nightshade (Deadly Nightshade, Black Nightshade) | Scientific Name: Solanum spp | Family: Solanaceae
Oak | Scientific Name: Quercus species | Family: Fagaceae
Oleander (Rose-Bay) | Scientific Name: Nerium oleander | Family: Apocynaceae
Onion | Scientific Name: Allium cepa | Family: Liliaceae
Orange | Scientific Name: Citrus sinensis | Family: Rutaceae
Oregon Holly (English Holly, European Holly, Inkberry, American Holly, Winterberry) | Scientific Name: Ilex opaca | Family: Aquifoliaceae
Ornamental Pepper (Natal Cherry, Winter Cherry, Jerusalem Cherry) | Scientific Name: Solanum pseudocapsicum | Family: Solanaceae
Pacific Yew (English Yew, Western Yew, Japanese Yew, Anglo-Japanese Yew) | Scientific Name: Taxus brevifolia | Family: Taxaceae
Pale Laurel | Scientific Name: Kalmia polifolia |
Paper White (Daffodil, Jonquil, Narcissus) | Scientific Name: Narcissus spp | Family: Amaryllidaceae
Paraguayan Jasmine (Yesterday, Today, Tomorrow, Lady-of-the-Night, Morning-Noon-and-Night, Kiss-Me-Quick , Fransiscan Rain Tree) | Scientific Name: Brunfelsia species | Family: Solanaceae
Patterson's Curse (Viper's Bugloss) | Scientific Name: Echium plantagineum | Family: Boraginaceae
Peach (Plum, Apricot, Cherry) | Scientific Name: Prunus species | Family: Rosaceae
Peacock Flower (Barbados Pride, Dwarf Poinciana) | Scientific Name: Caesalpinia pulcherrima | Family: Fabaceae
Peony | Scientific Name: Paeonis officinalis | Family: Paeniaceae
Perennial Pea (Sweet Pea, Everlasting Pea) | Scientific Name: Lathyrus latifolius | Family: Fabaceae
Periwinkle (Running Myrtle. Vinca) | Scientific Name: Vinca rosea | Family: Apocynaceae
Pie Plant (Rhubarb) | Scientific Name: Rheum rhabarbarium | Family: Polygonaceae
Plantain Lily (Hosta) | Scientific Name: Hosta plantaginea | Family: Liliaceae
Plum (similar plants: apricot, peach, cherry) | Scientific Name: Prunus species | Family: Rosaceae
Poison Daisy (Mayweed, Stinking Chamomile) | Scientific Name: Anthemis cotula | Family: Asteraceae
Poison Hemlock (Poison Parsley, Spotted Hemlock, Winter Fern, California Fern, Nebraska Fern, Deadly Hemlock) | Scientific Name: Conium maculatum | Family: Umbelliferae
Poison Parsnip (water hemlock, cowbane) | Scientific Name: Cicuta maculata | Family: Apiaceae
Ponderosa Pine (Blackjack Pine, Western Yellow Pine, Yellow Pine, Bull Pine) | Scientific Name: Pinus ponderosa | Family: Pinaceae
Portulaca (Wild Portulaca, Rock Moss, Purslane, Pigwee, Pusley, Moss Rose) | Scientific Name: Portulaca oleracea | Family: Portulacaceae
Prayer Bean (Rosary Pea, Buddhist rosary bead, Indian Bead, Indian Licorice, Love Bean, Lucky Bean, Seminole Bead, Weather Plant) | Scientific Name: Abrus precatorius | Family: Leguminosae
Precatory Bean (Rosary Pea, Buddhist rosary bead, Indian Bead, Indian Licorice, Love Bean, Lucky Bean, Seminole Bead, Weather Plant, Prayer Bean) | Scientific Name: Abrus precatorius | Family: Leguminosae
Pride-of-India (China Ball Tree, Paradise Tree, Persian Lilac, White Cedar, Japanese Bead Tree, Texas Umbrella Tree, Bead Tree, Chinaberry Tree) | Scientific Name: Melia azedarach | Family: Meliaceae
Primrose | Scientific Name: Primula vulgaris | Family: Primulaceae
Privet (amur, wax-leaf, common privet) | Scientific Name: Ligustrum japonicum | Family: Oleaceae
Purslane (Wild Portulaca, Rock Moss, Portulaca, Pigwee, Pusley, Moss Rose) | Scientific Name: Portulaca oleracea | Family: Portulacaceae
Ragwort (Golden Ragwort, Tansy) | Scientific Name: Senecio species | Family: Compositae
Ranger's Button (White Heads) | Scientific Name: Sphenosciadium capitellatum | Family: Apiaceae
Rattlebox | Scientific Name: Crotalaria albida | Family: Papilionaceae
Rayless Goldenrod | Scientific Name: Haplopappus heterophyllus | Family: Asteraceae
Red Maple (Swamp Maple, Scarlet Maple, Curled Maple, Soft Maple) | Scientific Name: Acer rubrum | Family: Aceraceae
Rhododendron (Rosebay, Azalea) | Scientific Name: Rhododendron spp | Family: Ericaceae
Rhubarb (Pie Plant) | Scientific Name: Rheum rhabarbarium | Family: Polygonaceae
Rock Moss (Wild Portulaca, Moss Rose, Purslane, Pigwee, Pusley) | Scientific Name: Portulaca oleracea | Family: Portulacaceae
Roman Chamomile (Chamomile, Garden Chamomile, Ground Apple) | Scientific Name: Anthemis nobilis | Family: Asteraceae
Rose of China (Hibiscus, Rose of Sharon) | Scientific Name: Hibiscus syriacus | Family: Malvaceae
Rose of Sharon (Hibiscus, Rose of China) | Scientific Name: Hibiscus syriacus | Family: Malvaceae
Rosebay (Rhododendron, Azalea) | Scientific Name: Rhododendron spp | Family: Ericaceae
Running Myrtle (Periwinkle, Vinca) | Scientific Name: Vinca rosea | Family: Apocynaceae
Russian Knapweed | Scientific Name: Centaurea repens | Family: Compositae
Sabi Star (Desert Azalea, Mock Azalea, Desert Rose, Impala Lily, Kudu Lily) | Scientific Name: Adenium obesum | Family: Apocynaceae
Sacred Bamboo (Heavenly Bamboo, Nandina) | Scientific Name: Nandina domestica | Family: Berberidaceae
Sago Palm (Coontie Palm, Cardboard Palm, cycads and zamias) | Scientific Name: Cycas revoluta, zamia species | Family: Cycadaceae
Scouring Rush (Field Horsetail, Common Horsetail, Western Horsetail) | Scientific Name: Equisetum arvense | Family: Equisetaceae
Seaside Daisy (Showy Daisy, Horseweed, Fleabane) | Scientific Name: Erigeron speciosus | Family: Asteraceae
Seven Bark (Hydrangea, Hortensia, Hills of Snow) | Scientific Name: Hydrangea arborescens | Family: Hydrangeaceae
Shamrock Plant (Good Luck Plant, Sorrel) | Scientific Name: Oxalis spp. |
Sheepkill (Mountain Laurel) | Scientific Name: Kalmia latifolia | Family: Ericaceae
Showy Daisy (Seaside Daisy, Horseweed, Fleabane) | Scientific Name: Erigeron speciosus | Family: Asteraceae
Skunk Cabbage (Skunk Weed, Polecat Weed, Meadow Cabbage, Swamp Cabbage) | Scientific Name: Symplocarpus foetidus | Family: Araceae
Solomon’s Lily (Black Calla, Wild Calla, Wild Arum) | Scientific Name: Arum palestinum | Family: Araceae
Spanish Thyme (Indian Borage, Bread and Butter Plant, Coleus, East Indian Thyme, Stinging Thyme, Country Boarage; many others) | Scientific Name: Coleus ampoinicus | Family: Labiatae
Spindle Tree (Wahoo, Burning Bush) | Scientific Name: Euonymus atropurpurea | Family: Celastraceae
Spring Parsley | Scientific Name: Petroselinum crispum | Family: Apiaceae
St. John’s Wort (Klamath Weed) | Scientific Name: Hypericum perforatum | Family: Clusiaceae
Staggerbush (Fetterbush, Maleberry) | Scientific Name: Lyonia sp. | Family: Ericaceae
Starch Root (Arum, Lord-and-Ladies, Adam-and-Eve, Wake Robin, Bobbins, Cuckoo Plant) | Scientific Name: Arum maculatum | Family: Araceae
Stinking Chamomile (Mayweed, Poison Daisy) | Scientific Name: Anthemis cotula | Family: Asteraceae
Sudan Grass / Hybrid Sudan | Scientific Name: Sorhum vulgare var. sudanesis | Family: Gramineae
Superb Lily (Glory Lily, Climbing Lily, Gloriosa Lily) | Scientific Name: Gloriosa superba | Family: Liliaceae
Swamp Maple (Red Maple, Scarlet Maple, Curled Maple, Soft Maple) | Scientific Name: Acer rubrum | Family: Aceraceae
Sweet Pea (Perennial Pea, Everlasting Pea) | Scientific Name: Lathyrus latifolius | Family: Fabaceae
Sweet Potato Vine (Sweet potato) | Scientific Name: Ipomoea batatas | Family: Convolvulaceae
Sweetheart Ivy (English Ivy, Glacier Ivy, Needlepoint Ivy, Branching Ivy, California Ivy) | Scientific Name: Hedera helix | Family: Araliaceae
Texas Umbrella Tree (China Ball Tree, Paradise Tree, Persian Lilac, White Cedar, Japanese Bead Tree, Bead Tree, Pride-of-India, Chinaberry Tree) | Scientific Name: Melia azedarach | Family: Meliaceae
Tobacco (Tree Tobacco, Nicotiana, Mustard Tree) | Scientific Name: Nicotiana glauca | Family: Solanaceae
Tomato Plant | Scientific Name: Lycopersicon spp | Family: Solanaceae
Tree Tobacco (Nicotania, Tobacco, Mustard Tree) | Scientific Name: Nicotiana glauca | Family: Solanaceae
Tulip | Scientific Name: Tulipa species | Family: Liliaceae
Umbrella Leaf (Indian Apple Root, American Mandrake, Wild Lemon, Hog Apple, Duck's Foot, Raccoonberry, American Mandrake) | Scientific Name: Podophyllum peltatum | Family: Berberidaceae
Vinca (Periwinkle, Running Myrtle) | Scientific Name: Vinca rosea | Family: Apocynaceae
Viper's Bugloss (Patterson's Curse) | Scientific Name: Echium plantagineum | Family: Boraginaceae
Viper's Bugloss | Scientific Name: Echium vulgare | Family: Boraginaceae
Virgin's Bower (Clematis, Leatherflower) | Scientific Name: Clematis sp. | Family: Ranunculaceae
Wahoo (Burning Bush, Spindle Tree) | Scientific Name: Euonymus occidentalis | Family: Celastraceae
Wake Robin (Arum, Lord-and-Ladies, Adam-and-Eve, Starch Root, Bobbins, Cuckoo Plant) | Scientific Name: Arum maculatum | Family: Araceae
Water Hemlock (cowbane, poison parsnip) | Scientific Name: Cicuta maculata | Family: Apiaceae
Water Hyacinth | Scientific Name: Eichhornia crassipes | Family: Pontederiaceae
Wax-Leaf (privet, amur, common privet) | Scientific Name: Ligustrum japonicum | Family: Oleaceae
Weeping Fig (fig, indian rubber plant) | Scientific Name: Ficus sp. | Family: Moraceae
Western Yellow Pine (Blackjack Pine, Ponderosa Pine, Yellow Pine, Bull Pine) | Scientific Name: Pinus ponderosa | Family: Pinaceae
Western Yew (English Yew, Pacific Yew, Japanese Yew, Anglo-Japanese Yew) | Scientific Name: Taxus brevifolia | Family: Taxaceae
White Heads (Ranger's Button) | Scientific Name: Sphenosciadium capitellatum | Family: Apiaceae
White Snakeroot (fall poison, richweed, tremetol) | Scientific Name: Eupatorium rugosum | Family: Asteraceae
White/Black/Yellow Indian Mustard | Scientific Name: Brassica species | Family: Brassicaceae
Wild Arum (Black Calla, Wild Calla, Solomon's Lily) | Scientific Name: Arum palestinum | Family: Araceae
Wild Calla (Black Calla, Wild Arum, Solomon's Lily) | Scientific Name: Arum palestinum | Family: Araceae
Wild Coffee (Geranium-Leaf Aralia, Coffee Tree) | Scientific Name: Polyscias guilfoylei | Family: Araliaceae
Wild Radish | Scientific Name: Raphanus raphanistrum | Family: Brassicaceae
Winter Cherry (Natal Cherry, Jerusalem Cherry) | Scientific Name: Solanum pseudocapsicum | Family: Solanaceae
Winterberry (English Holly, European Holly, Oregon Holly, Inkberry, American Holly) | Scientific Name: Ilex opaca | Family: Aquifoliaceae
Wintercress | Scientific Name: Barbarea orthoceras | Family: Brassicaceae
Wisteria | Scientific Name: wisteria species | Family: Fabaceae
Wormseed Mustard | Scientific Name: Erysimum cheiranthoides | Family: Brassicaceae
Yarrow (milfoil) | Scientific Name: Achillea millefolium | Family: Asteraceae
Yellow Oleander | Scientific Name: Thevetia peruviana | Family: Apocynaceae
Yellow Pine (Blackjack Pine, Ponderosa Pine, Western Yellow Pine, Bull Pine) | Scientific Name: Pinus ponderosa | Family: Pinaceae
Yellow Starthistle | Scientific Name: Centaurea solstitialis | Family: Compositae
Yellowrocket | Scientific Name: Barbarea vulgaris | Family: Brassicaceae
Yesterday, Today, Tomorrow (Morning-Noon-and-Night, Kiss-Me-Quick, Lady-of-the-Night, Fransiscan Rain Tree, Brunfelsia) | Scientific Name: Brunfelsia species | Family: Solanaceae
Yew (japanese yew) | Scientific Name: Taxus sp. | Family: Taxaceae
Yew Pine (buddhist pine) | Scientific Name: Podocarpus macrophylla | Family: Podocarpacaea
Yucca | Scientific Name: Yucca sp. | Family: Agavaceae

Plants Non-Toxic to Horses
Achira (Canna, Arrowroot) | Scientific Name: Canna edulis | Family: Cannaceae
Acorn Squash (Similar plants:pumpkin, zucchini) | Scientific Name: Cucurbita pepo | Family: Cucurbitaceae
African Daisy (Barberton Daisy, Veldt Daisy, Transvaal Daisy, Gerber Daisy) | Scientific Name: Gerbera jamesonii | Family: Compositae
African Violet (Cape Marigold) | Scientific Name: Saintpaulia spp. | Family: Gesneriaceae
Algaroba (Kiawe, Mesquite) | Scientific Name: Prosopis limensis | Family: Mimosaceae
Alumroot (Coral Bells, Heuchera) | Scientific Name: Heuchera sanguinea | Family: Saxifragaceae
Alyssum (Alyssum varieties) | Scientific Name: Alyssum spp. | Family: Brassicaceae
Antirrhinum Multiflorum (Withered Snapdragon) | Scientific Name: Antirrhinum glandulosum | Family: Scrophulariaceae
Antirrhinum Multiflorum (Withered Snapdragon) | Scientific Name: Antirrhinum multiflorum | Family: Scrophulariaceae
Artillery Plant | Scientific Name: Pilea microphylla | Family: Urticaceae
Autumn Olive (Silver Berry, Russian Olive) | Scientific Name: Elaeagnus sp. | Family: Elaeagnaceae
Baby’s Tears (Polka Dot Plant, Measles Plant, Flamingo Plant, Freckle Face, Pink Splash) | Scientific Name: Hypoestes phyllostachya | Family: Acanthaceae
Bamboo (Golden Bamboo, Fishpole Bamboo) | Scientific Name: Phyllostachys aurea | Family: Gramineae
Bamboo Vine (Blaspheme vine, Laurel-leaved Greenbrier) | Scientific Name: Smilax laurifolia | Family: Liliaceae
Banana (Plantain) | Scientific Name: Musa acuminata | Family: Musaceae
Banana Squash | Scientific Name: Cucurbita maxima var. banana | Family: Cucurbitaceae
Barberton Daisy (Transvaal Daisy, African Daisy, Veldt Daisy, Gerbera Daisy) | Scientific Name: Gerbera jamesonii | Family: Compositae
Beets (Beet Root, Red Beet, Swiss Chard, Roman Kale, Sugar Beet) | Scientific Name: Beta vulgaris | Family: Chenopodiaceae
Big Shagbark Hickory (Big Shellbark Hickory, Shellbark Hickory, Shagbark Hickory) | Scientific Name: Carya laciniosa | Family: Juglandaceae
Big Shellbark Hickory (Shellbark Hickory) | Scientific Name: Carya laciniosa | Family: Juglandaceae
Bitter Pecan (Water Hickory) | Scientific Name: Carya aquatica | Family: Juglandaceae
Bitternut | Scientific Name: Carya cordiformis | Family: Juglandaceae
Black Haw (Wild raisin, Tea Plant, Cowberry, Nannyberry, Sweet Viburnum, Nanny Plum, Sheepberry, Sweetberry) | Scientific Name: Viburnum lentago | Family: Caprifoliaceae
Black Hawthorn (Weisdornbluten, Blackthorn, Thorn Apple, Thorn Plum, Pirliteiro, Red Hawthorn, May Bush, Oxyacantha, Haw Apple, Black Haw, Aubepine) | Scientific Name: Crataegus douglasii | Family: Rosaceae
Blaspheme Vine (Blaspheme vine, Laurel-leaved Greenbrier, Bamboo Vine) | Scientific Name: Smilax laurifolia | Family: Liliaceae
Blooming Sally (Willow Herb, Great Willow Herb, Fire Weed) | Scientific Name: Epilobium angustifolium | Family: Onagraceae
Blue Bead (Corn Lily) | Scientific Name: Clintonia borealis | Family: Liliaceae
Blue Daisy (Felicia, Blue Marguerite) | Scientific Name: Felicia amelloides | Family: Compositae
Blue-dicks (Wild Hyacinth) | Scientific Name: Dichelostemma pulchellum | Family: Amaryllidaceae
Blue-dicks 2 (Wild Hyacinth) | Scientific Name: Hookera pulchella | Family: Amaryllidaceae
Blue-dicks 3 (Wild Hyacinth) | Scientific Name: Brodiaea pulchella | Family: Amaryllidaceae
Bold Sword Fern | Scientific Name: Nephrolepis biserrata | Family: Dryopteridaceae
Bottle Palm (Elephant-foot Tree, Pony Tail Plant) | Scientific Name: Beaucarnea recurvata | Family: Agavaceae
Bottle Palm 2 (Elephant-foot Tree, Pony Tail Plant) | Scientific Name: Nolina tuberculata | Family: Agavaceae
Bottlebrush (Weeping Bottlebrush, Prickly Bottlebrush, Crimson Bottlebrush) | Scientific Name: Callistemon species | Family: Myrtaceae
Brazilian Orchid | Scientific Name: Sophronitis | Family: Orchidaceae
Bride's Bonnet (Queencup) | Scientific Name: Clintonia uniflora | Family: Liliaceae
Bristly Greenbrier (Hagbrier, Hellfetter) | Scientific Name: Smilax hispida | Family: Liliaceae
Brodiaea Pulchella (Wild Hyacinth, Blue-dicks) | Scientific Name: Dichelostemma pulchellum | Family: Amaryllidaceae
Broom Hickory (Big Shellbark Hickory, Shellbark Hickory) | Scientific Name: Carya laciniosa | Family: Juglandaceae
Bullbrier (Catbrier, Horsebrier, Common Greenbrier) | Scientific Name: Smilax rotundifolia | Family: Liliaceae
Bur Gourd (Goareberry Gourd, Gooseberry Gourd, West Indian Gherkin) | Scientific Name: Cucumis anguria | Family: Cucurbitaceae
Burro's Tail (Horse's Tail, Donkey's Tail, Lamb's Tail) | Scientific Name: Sedum morganianum | Family: Crassulaceae
Buttercup Squash | Scientific Name: Cucurbita maxima cv buttercup | Family: Cucurbitaceae
Butterfly Ginger (White Ginger, Cinnamon Jasmine, Garland Flower, Ginger Lily) | Scientific Name: Hedychium coronarium |
Butterfly Squash | Scientific Name: Cucurbita maxima cv butterfly | Family: Cucurbitaceae
Caeroba (Rattle Snake Plant, Peacock Plant, Zebra Plant) | Scientific Name: Calathea insignis | Family: Marantaceae
Calathea Lancifolia | Scientific Name: Calathea lancifolia | Family: Marantaceae
Calathea Lancifolia 2 | Scientific Name: Maranta insignis | Family: Marantaceae
Calathea Lancifolia 3 | Scientific Name: Calathea insignis | Family: Marantaceae
California Pitcher Plant (Cobra Orchid, Cobra Plant, Cobra Lily, Chrysamphora) | Scientific Name: Darlingtonia californica | Family: Sarraceniaceae
Callistemon Brachyandrus (Weeping Bottlebrush, Prickly Bottlebrush, Crimson Bottlebrush, Bottlebrush, Callistemon brachyandrus) | Scientific Name: Callistemon species | Family: Myrtaceae
Callistemon citrinus (Crimson Bottlebrush) | Scientific Name: Callistemon citrinus | Family: Myrtaceae
Callistemon viminalis (Weeping Bottlebrush, Prickly Bottlebrush, Crimson Bottlebrush) | Scientific Name: Callistemon viminalis | Family: Myrtaceae
Calochortus nuttalli (Sego Lily, Star Tulip, Mariposa Lily, Cat Ear, Butterfly Tulip) | Scientific Name: Calochortus nuttalli | Family: Liliaceae
Calochortus nuttalli 2 (Sego Lily, Star Tulip, Mariposa Lily, Cat Ear, Butterfly Tulip) | Scientific Name: Calochortus luteus | Family: Liliaceae
Camellia (Common Camellia, Peony Camellia) | Scientific Name: Camellia japonica | Family: Theaceae
Canada Hemlock | Scientific Name: Tsuga canadensis | Family: Pinaceae
Canary Date Palm | Scientific Name: Phoenix canariensis | Family: Palmae
Candle Plant | Scientific Name: Plectranthus coleoides | Family: Labiatae
Canterbury-bell | Scientific Name: Gloxinia perennis | Family: Gesneriaceae
Cape Marigold (African Daisy) | Scientific Name: Dimorphotheca pluvialis | Family: Compositae
Cape Primrose (Twisted Fruit, Bavarian Belle) | Scientific Name: Streptocarpus spp. | Family: Gesneriaceae
Carob (Sugar Pod, Locust Pods, Algaroba, Carob Tree Kharoub, Beans) | Scientific Name: Ceratonia siliqua | Family: Fabaceae
Caroba (Caaroba, Carob Tree, Carobhina, Bignonia) | Scientific Name: Jacaranda procera | Family: Bignoniaceae
Carolina Hemlock | Scientific Name: Tsuga caroliniana | Family: Pinaceae
Carrion Flower (Jacob's Ladder) | Scientific Name: Smilax herbacea | Family: Liliaceae
Carrion Flower 2 (Hairy Toad Plant) | Scientific Name: Stapelia hirsata | Family: Asclepiadaceae
Carrot Flower (Garden Carrot) | Scientific Name: Daucus carota var. sativa | Family: Umbelliferae
Casaba Melon (Honeydew Melon, True Cantaloupe, Muskmelon) | Scientific Name: Cucumis melo | Family: Cucurbitaceae
Cat Brier (China Root, Ti-hu-ling, Shiny Leaf Smilax) | Scientific Name: Smilax glabra | Family: Liliaceae
Cat Ear (Sego Lily, Star Tulip, Mariposa Lily, Cat Ear, Butterfly Tulip, Calochortus) | Scientific Name: Calochortus nuttalli; Calochortus luteus | Family: Liliaceae
Celosia Globosa (Globe Amarantha, Perpetua) | Scientific Name: Celosia globosa | Family: Amaranthaceae
Celosia Plumosa (Cockscomb) | Scientific Name: Celosia plumosa | Family: Amaranthaceae
Celosia Spicata (Flamingo Feather) | Scientific Name: Celosia spicata | Family: Amaranthaceae
Chaparral (Creosote Bush, Greasewood) | Scientific Name: Larrea tridentata | Family: Zygophyllaceae
Chestnut (American Chestnut) | Scientific Name: Castanea dentata | Family: Fagaceae
Chickens and Hens (Hens and Chickens, Mother Hens and Chicks) | Scientific Name: Echeveria elegans | Family: Crassulaceae
Chin-lao-shu (China Root, Ti-hu-ling, Shiny Leaf Smilax, Catbrier) | Scientific Name: Smilax glabra | Family: Liliaceae
China Root (Catbrier, Ti-hu-ling, Shiny Leaf Smilax) | Scientific Name: Smilax glabra | Family: Liliaceae
Chinese Plumbago | Scientific Name: Ceratostigma willmottianum | Family: Plumbaginaceae
Cinnamon | Scientific Name: Cinnamonium | Family: Lauraceae
Cinquefoil (Silver Cinquefoil, Shrubby Cinquefoil, Rough Cinquefoil, Sulfur Cinquefoil, Rock Cinquefoil) | Scientific Name: Potentilla spp. | Family: Rosaceae
Clearweed (Coolwort, Richweed) | Scientific Name: Pilea pumila | Family: Urticaceae
Cliff Brake (Button Fern, Green Cliff Brack, Cliff Break) | Scientific Name: Pellaea rotundifolia | Family: Pteridaceae
Club Moss (Cushion Moss, Irish Moss, Krauss' Spikemoss, Spreading Club Moss, Trailing Irish Moss) | Scientific Name: Selaginella kraussiana | Family: Selaginellaceae
Cocks Comb (Pile Wort, Lady Bleeding, Red Cocks Comb) | Scientific Name: Amaranthus hypochondriacus | Family: Amaranthaceae
Common Camellia (Camellia, Peony Camellia) | Scientific Name: Camellia japonica; Thea japonica | Family: Theaceae
Common Catbrier (Catbrier, Horsebrier, Common Greenbrier) | Scientific Name: Smilax rotundifolia | Family: Liliaceae
Common Greenbrier (Catbrier, Horsebrier, Common Greenbrier) | Scientific Name: Smilax rotundifolia | Family: Liliaceae
Common Snapdragon (Garden Snapdragon) | Scientific Name: Antirrhinum majus | Family: Scrophulariaceae
Common Staghorn Fern | Scientific Name: Platycerium bifurcatum | Family: Polypodiaceae
Confederate Jasmine (Star Jasmine) | Scientific Name: Trachelospermum jasminoides |
Coolwort (Clearweed, Richweed) | Scientific Name: Pilea pumila | Family: Urticaceae
Coral Bells (Coral Bells, Heuchera) | Scientific Name: Heuchera sanguinea | Family: Saxifragaceae
Coreopsis (Tickseed) | Scientific Name: Coreopsis | Family: Compositae
Crape Myrtle (Crepe Myrtle) | Scientific Name: Lagerstroemia indica | Family: Lythraceae
Creeping Charlie (Swedish Ivy (Plectranthus)) | Scientific Name: Pilea nummulariifolia | Family: Pilea: Uriticaeae; Plectranthus: Lamiaceae
Creeping Gloxinia (Maurandya) | Scientific Name: Asarina erubescens | Family: Scrophulariaceae
Creeping Mahonia (Tall Mahonia, Mountain Grape, Oregon Grape, Oregon Holly, Holly-leaved Barberry) | Scientific Name: Mahonia aquifolium | Family: Berberidaceae
Creeping Pilea (Swedish Ivy (Plectranthus), Creeping Charlie) | Scientific Name: Pilea nummulariifolia | Family: Pilea: Uriticaeae; Plectranthus: Lamiaceae
Creeping Rubus (Strawberryleaf Raspberry) | Scientific Name: Rubus pedatus | Family: Rosaceae
Creeping Zinnia | Scientific Name: Sanvitalia species | Family: Asteraceae
Crepe Myrtle (Crape Myrtle) | Scientific Name: Lagerstroemia indica | Family: Lythraceae
Crimson Bottlebush (Weeping Bottlebrush, Prickly Bottlebrush, Bottlebrush) | Scientific Name: Callistemon species | Family: Myrtaceae
Crisped Feather Fern (Bold-Sword Fern) | Scientific Name: Nephrolepis biserrata | Family: Dryopteridaceae
Crossandra | Scientific Name: Crossandra species | Family: Acanthaceae
Cucumber (Garden Cucumber) | Scientific Name: Cucumis sativa | Family: Cucurbitaceae
Cushion Moss (Club Moss, Irish Moss, Krauss' Spikemoss, Spreading Club Moss, Trailing Irish Moss) | Scientific Name: Selaginella kraussiana | Family: Selaginellaceae
Cushon Aloe | Scientific Name: Aloe retusa | Family: Aloaceae
Dainty Rabbits-Foot Fern (Lacy Paw, Lacy Hare's Foot) | Scientific Name: Davallia fejeensis | Family: Davalliaceae
Dallas Fern (Bold Sword Fern) | Scientific Name: Nephrolepis biserrata | Family: Dryopteridaceae
Desert Trumpet | Scientific Name: Eriogonium inflatum | Family: Polygonaceae
Dichelostemma (Several varieties) | Scientific Name: Dichelostemma species | Family: Amaryllidaceae
Easter Daisy | Scientific Name: Townsendia sevicea | Family: Asteraceae
Easter Lily | Scientific Name: Lilium longiflorum | Family: Liliaceae
Edible Banana | Scientific Name: Musa acuminata | Family: Musaceae
English Hawthorn (Midland hawthorn, Smooth hawthorn) | Scientific Name: Crataegus laevigata | Family: Rosaceae
Fig Leaf Gourd (Malabar Gourd) | Scientific Name: Cucurbita ficifolia | Family: Cucurbitaceae
Figleaf Palm (Formosa rice tree, Glossy-leaved paper plant, Big-leaf paper plant) | Scientific Name: Fatsia japonica | Family: Araliaceae
Fire Weed (Blooming Sally, Great Willow-Herb) | Scientific Name: Epilobium angustifolium | Family: Onagraceae
Flamingo Plant (Polka Dot Plant, Measles Plant, Baby’s Tears, Freckle Face) | Scientific Name: Hypoestes phyllostachya | Family: Acanthaceae
Fortunes Palm (Chusan palm) | Scientific Name: Trachycarpus fortunei | Family: Palmae
Freckle Face (Polka Dot Plant, Measles Plant, Flamingo Plant, Baby’s Tears) | Scientific Name: Hypoestes phyllostachya | Family: Acanthaceae
Gerber Daisy (Transvaal Daisy, African Daisy, Veldt Daisy, Gerbera Daisy, Barberton Daisy) | Scientific Name: Gerbera jamesonii | Family: Compositae
Gherkins (Immature cucumbers) | Scientific Name: Cucumis sativus | Family: Cucurbitaceae
Giant Aster | Scientific Name: Townsendia sericea | Family: Asteraceae
Giant Holly Fern (Sword fern, Wester sword, imbricate sword fern) | Scientific Name: Ploystichum munitum | Family: Polypodaceae
Giant White Inch Plant | Scientific Name: Albiflora | Family: Commelinaceae
Globe Thistle | Scientific Name: Echinops | Family: Asteraceae
Gloxinia | Scientific Name: Sinningia speciosa | Family: Gesneriaceae
Grape Ivy (Venezuela treebine) | Scientific Name: Cissus rhombifolia | Family: Vitaceae
Great Willow Herb (Blooming Sally, Fire Weed) | Scientific Name: Epilobium angustifolium | Family: Onagraceae
Greenbrier (China Root, Ti-hu-ling, Shiny Leaf Smilax, cat brier) | Scientific Name: Smilax glabra | Family: Liliaceae
Hagbrier (Hellfetter) | Scientific Name: Smilax hispida | Family: Liliaceae
Haws (Pirliteiro) | Scientific Name: Crataegus species | Family: Rosaceae
Haws Apple (Haws, Hawthorn) | Scientific Name: Crataegus species | Family: Rosaceae
Hawthorn (Haws, Haws Apple) | Scientific Name: Crataegus species | Family: Rosaceae
Hedgehog Gourd (Teasel Gourd) | Scientific Name: Cucumis dipsaceus | Family: Cucurbitaceae
Hellfetter (Hellfetter) | Scientific Name: Smilax hispida | Family: Liliaceae
Hemlock Tree (Many varieties) | Scientific Name: Tsuga species | Family: Pinaceae
Hens and Chickens (Chickens and Hens, Mother Hens and Chicks) | Scientific Name: Echeveria elegans | Family: Crassulaceae
Hollyhock | Scientific Name: Althea rosea | Family: Malvaceae
Honey Locust | Scientific Name: Gleditsia triacanthos | Family: Fabaceae
Honeydew Melon (Casaba Melon) | Scientific Name: Cucumis melo | Family: Cucurbitaceae
Honeysuckle Fuchsia | Scientific Name: Fuchsia triphylla | Family: Onagraceae
Hookera pulchella (Wild Hyacinth, Blue-Dicks) | Scientific Name: Dichelostemma pulchellum | Family: Amaryllidaceae
Hubbard Squash | Scientific Name: Cucurbita maxima var. hubbard | Family: Cucurbitaceae
Irish Moss (Club Moss, Cushion Moss, Krauss' Spikemoss, Spreading Club Moss, Trailing Irish Moss) | Scientific Name: Selaginella kraussiana | Family: Selaginellaceae
Jackson Brier | Scientific Name: Smilax lanceolata | Family: Liliaceae
Jacob's Ladder (Carrion Flower) | Scientific Name: Smilax herbacea | Family: Liliaceae
Japanese Aralia (Formosa rice tree, Glossy-leaved paper plant, Big-leaf paper plant) | Scientific Name: Fatsia japonica | Family: Araliaceae
Japanese Moss (Club Moss, Cushion Moss, Krauss' Spikemoss, Spreading Club Moss, Trailing Irish Moss, Irish Moss) | Scientific Name: Selaginella kraussiana | Family: Selaginellaceae
Japanese Pittosporum (Australian laurel, Mock orange) | Scientific Name: Pittosporum tobira | Family: Pittosporaceae
Japanese Show Lily | Scientific Name: Lilium speciosum | Family: Liliaceae
Jasmine | Scientific Name: Jasminium species | Family: Mimosaceae
Kaempferia (Peacock Ginger) | Scientific Name: Kaempferia | Family: Zingiberaceae
Kahali Ginger | Scientific Name: Hedychium gardnerianum |
Kharoub (Carob Tree, Sugar Pods, Locust Pods, Beans) | Scientific Name: Ceratonia siliqua |
King Nut | Scientific Name: Carya laciniosa | Family: Juglandaceae
Kuang-yen-pa-hsieh (China Root, Ti-hu-ling, Shiny Leaf Smilax, Cat Brier) | Scientific Name: Smilax glabra | Family: Liliaceae
Lagerstroemia Indica (Crepe/Crape Myrtle) | Scientific Name: Lagerstroemia indica | Family: Lythraceae
Laurel-Leaved Greenbrier (Blaspheme vine, Bamboo Vine) | Scientific Name: Smilax laurifolia | Family: Liliaceae
Lesser Snapdragon | Scientific Name: Antirrhinum orontium | Family: Mimosaceae
Lily | Scientific Name: Lilium species | Family: Liliaceae
Locust Pods (Carob Tree, Sugar Pods, Kharoub, Beans) | Scientific Name: Ceratonia siliqua |
Madagascar Jasmine (Wax Flower, Bride's Flower, Clustered Wax Flower) | Scientific Name: Stephanotis floribunda | Family: Ascleopiadaceae
Magnolia Bush (Star Magnolia) | Scientific Name: Magnolia stellata | Family: Magnoliaceae
Mahonia (Oregon Grape, Oregon Grape Holly, Mahonia aguifolium, Holly-leaved berry) | Scientific Name: Mahonia aquifolium | Family: Berberidaceae
Majesty Palm (Majestic Palm) | Scientific Name: Ravenea rivularis | Family: Aracaceae
Malabar Gourd (Fig-leaf gourd) | Scientific Name: Cucurbita ficifolia | Family: Cucurbitaceae
Measles Plant (Polka Dot Plant, Flamingo Plant, Baby’s Tears, Freckle Face) | Scientific Name: Acantha | Family: Acanthaceae
Mockernut Hickory (Squarenut) | Scientific Name: Carya tomentosa | Family: Juglandaceae
Moss Fern (Club Moss, Irish Moss, Krauss' Spikemoss, Spreading Club Moss, Trailing Irish Moss, Cushion Moss) | Scientific Name: Selaginella kraussiana | Family: Selaginellaceae
Mountain Camellia (Showy Camellia) | Scientific Name: Stewartia ovata | Family: Theaceae
Mountain Grape (Oregon Grape, Oregon Grape Holly, Mahonia Aguifolium, Holly-Leaved Berry, Mahonia) | Scientific Name: Mahonia aquifolium | Family: Berberidaceae
Mulberry Bush Greenbrier | Scientific Name: Smilax sp. | Family: Liliaceae
Mulberry Tree | Scientific Name: Morus sp. | Family: Moraceae
Musa Paradisiaca (Banana, Edible Banana, Plantain) | Scientific Name: Musa acuminata | Family: Musaceae
Muskmelon | Scientific Name: Cucumis melo | Family: Cucurbiaceae
Nasturtium | Scientific Name: Tropaeolum majus | Family: Tropaeolaceae
Natal Plum | Scientific Name: Carissa grandiflora | Family: Apocynaceae
Orange Day Lily | Scientific Name: Hemerocallis graminea | Family: Liliaceae
Oregon Grape (Mountain Grape, Oregon Grape Holly, Mahonia Aguifolium, Holly-Leaved Berry, Mahonia) | Scientific Name: Mahonia aquifolium | Family: Berberidaceae
Pampas Grass | Scientific Name: Cortaderia selloana | Family: Poaceae
Peacock Plant (Peacock Ginger, Kaempferia) | Scientific Name: Kaempferia | Family: Zingiberaceae
Phalaenopsis Orchid (Moth Orchid, Moon Orchid) | Scientific Name: Phalaenopsis sp. | Family: Orchidaceae
Pignut Hickory | Scientific Name: Carya glabra | Family: Julandaceae
Pilea Microphylla (Artillery Plant) | Scientific Name: Pilea microphylla | Family: Urticaceae
Pilea Mucosa (Artillery Plant) | Scientific Name: Pilea microphylla | Family: Urticaceae
Pincushion Flower | Scientific Name: Leucospermum incisum | Family: Protaeceae
Pink Splash (Flamingo Plant, Polka Dot Plant, Measles Plant, Baby’s Tears, Freckle Face) | Scientific Name: Hypoestes phyllostachya | Family: Acanthaceae
Pirliteiro (Haws) | Scientific Name: Crataegus species | Family: Rosaceae
Plumbago Larpentiae | Scientific Name: Ceratostigma larpentiae | Family: Plumbaginaceae
Poison Ivy (poison oak, poison sumac) | Scientific Name: Toxicodendron species | Family: Anacardiaceae
Poison Oak (Similar: Poison Ivy, Poison Sumac) | Scientific Name: Toxicodendron species | Family: Anacardiaceae
Poison Sumac (Similar: Poison Ivy, Poison Oak) | Scientific Name: Toxicodendron species | Family: Anacardiaceae
Polka Dot Plant (Flamingo Plant, Pink Polka Dot Plant, Measles Plant, Baby’s Tears, Freckle Face) | Scientific Name: Hypoestes phyllostachya | Family: Acanthaceae
Pony Tail (Elephant-Foot Tree, Pony Tail Plant, Bottle Palm) | Scientific Name: Beaucarnea recurvata | Family: Agavaceae
Prairie Snowball (sand verbena, wild lantana) | Scientific Name: Abronia fragrans |
Prickly Bottlebrush (Bottlebrush, Weeping Bottlebrush, Crimson Bottlebrush) | Scientific Name: Callistemon species | Family: Myrtaceae
Pupleosier Willow | Scientific Name: Salix purpurea | Family: Saliaceae
Queensland Arrowroot (Achira, Canna, Arrowroot) | Scientific Name: Canna edulis | Family: Cannaceae
Red Berried Greenbrier (red-berried-bamboo) | Scientific Name: Smilax walteria | Family: Liliaceae
Red Hawthorne (Haws, Pirliteiro) | Scientific Name: Crataegus species | Family: Rosaceae
Red Lily | Scientific Name: Lilium umbellatum | Family: Liliaceae
Resurrection Lily (Peacock Ginger, Kaempferia) | Scientific Name: Kaempferia | Family: Zingiberaceae
Roosevelt Fern (Bold Sword Fern) | Scientific Name: Nephrolepis biserrata | Family: Dryopteridaceae
Rose | Scientific Name: Rosa Species | Family: Rosaceae
Rubrum Lily | Scientific Name: Lilium speciosum cultivar | Family: Liliaceae
Russian Olive (Autumn Olive, Silverberry) | Scientific Name: elaeagnus species | Family: Elaeagnaceae
Sand Verbena (Prairie Snowball, Wild Lantana) | Scientific Name: Abronia fragrans |
Sawbrier (Wild Sasparilla) | Scientific Name: Smilax glauca | Family: Liliaceae
Scabious (Pincushion Flower) | Scientific Name: Leucospermum incisum | Family: Protaeceae
Scarlet Sage (Texas Sage) | Scientific Name: Salvia coccinea | Family: Labiatae
Shagbark Hickory (Big Shellbark Hickory, Shellbark Hickory, Big Shagbark Hickory) | Scientific Name: Carya laciniosa | Family: Juglandaceae
Shan Ku'ei-lai (Cat Brier, China Root, Ti-hu-ling, Shiny Leaf Smilax) | Scientific Name: Smilax glabra | Family: Liliaceae
Shellbark Hickory (Big Shellbark Hickory) | Scientific Name: Carya laciniosa | Family: Juglandaceae
Silver Bell (opossum wood, snowbell tree, shittimwood) | Scientific Name: Halesia carolina | Family: Styrnaceae
Silver Berry (Autumn Olive, Russian Olive) | Scientific Name: elaeagnus species | Family: Elaeagnaceae
Small Fruited Hickory | Scientific Name: Carya glabra | Family: Juglandaceae
Smilax Tamnoides Vas (Hellfetter, Hagbrier) | Scientific Name: Smilax hispida | Family: Liliaceae
Spider Flower | Scientific Name: Cleome hasserlana | Family: Capparaceae
Star Jasmine | Scientific Name: Trachelospermum jasminoides | Family: Apocynaceae
Stargazer Lily | Scientific Name: Lilium orientalis | Family: Liliaceae
Strawberry (wild strawberry) | Scientific Name: Fragaria | Family: Rosaceae
Sugar Pods (Carob Tree, Locust Pods, Kharoub, Beans) | Scientific Name: Ceratonia siliqua |
Sulfur Flower (Umbrella Plant, Wild Buckweat) | Scientific Name: Eriogonium umbellatum | Family: Polygonaceae
Sunflower (swamp sunflower) | Scientific Name: helianthus angustifolius | Family: Compositae
Swamp Sunflower (Sunflower) | Scientific Name: helianthus angustifolius | Family: Compositae
Swedish Ivy (Creeping Charlie) | Scientific Name: Plectranthus australis | Family: Pilea: Uriticaeae; Plectranthus: Lamiaceae
Sword Fern (Bold Sword Fern, Roosevelt Fern) | Scientific Name: Nephrolepis biserrata | Family: Dryopteridaceae
Tall Feather Fern (Bold Sword Fern, Sword Fern, Roosevelt Fern) | Scientific Name: Nephrolepis biserrata | Family: Dryopteridaceae
Tall Mahonia (Oregon Grape, Oregon Grape Holly, Mahonia Aguifolium, Holly-Leaved Berry, Mahonia) | Scientific Name: Mahonia aquifolium | Family: Berberidaceae
Teasel Gourd (Hedgehog Gourd) | Scientific Name: Cucumis dipsaceus | Family: Cucurbitaceae
Texas Sage (Scarlet Sage) | Scientific Name: Salvia coccinea | Family: Labiatae
Thea Japonica (Common Camellia, Peony Camellia) | Scientific Name: Thea japonica | Family: Theaceae
Thorn Apple (Weisdornbluten, Blackthorn, Black Hawthorn, Thorn Plum, Pirliteiro, Red Hawthorn, May Bush, Oxyacantha, Haw Apple, Black Haw, Aubepine) | Scientific Name: Crataegus douglasii | Family: Rosaceae
Ti hu-ling (China Root, Ti-hu-ling, Shiny Leaf Smilax, Cat Brier, Kuang-yen-pa-hsieh) | Scientific Name: Smilax glabra | Family: Liliaceae
Tickseed (coreopsis) | Scientific Name: Coreopsis californica | Family: Compositae
Tiger Lily | Scientific Name: Lilium tigrinum | Family: Liliaceae
Tous-les-mois (Achira, Canna, Arrowroot) | Scientific Name: Canna edulis | Family: Cannaceae
Tropical Moss (Cushion Moss, Irish Moss, Krauss' Spikemoss, Spreading Club Moss, Trailing Irish Moss) | Scientific Name: Selaginella kraussiana | Family: Selaginellaceae
True Cantaloupe (cantaloupe) | Scientific Name: Cucumis melo | Family: Cucurbitaceae
Tu Fu-Ling (Cat Brier, China Root, Ti-hu-ling, Shiny Leaf Smilax) | Scientific Name: Smilax glabra | Family: Liliaceae
Tulip Poplar (tulip tree) | Scientific Name: Liriodendron tulipifera |
Turban Squash | Scientific Name: Cucurbita maxima cv turbaniformis | Family: Cucurbitaceae
Umbrella Plant (Sulfur Flower, Wild Buckweat) | Scientific Name: Eriogonium umbellatum | Family: Polygonaceae
Urbinia Agavoides (Hens and Chickens, Mother Hens and Chicks, Chickens and Hens) | Scientific Name: Echeveria elegans | Family: Crassulaceae
Verona Fern (Bold Sword Fern, Nephrolepis Biserrata, Verona Lace Fern) | Scientific Name: Nephrolepis biserrata | Family: Dryopteridaceae
Verona Lace Fern (Bold Sword Fern, Nephrolepis Biserrata, Verona Fern) | Scientific Name: Nephrolepis biserrata | Family: Dryopteridaceae
Washington Hawthorn (Haws, Pirliteiro, Red Hawthorn) | Scientific Name: Crataegus species | Family: Rosaceae
Water Hickory | Scientific Name: Carya aquatica | Family: Juglandaceae
Weeping Bottlebrush (Bottlebrush, Prickly Bottlebrush, Crimson Bottlebrush) | Scientific Name: Callistemon species | Family: Myrtaceae
Weeping Sargent Hemlock (Many varieties) | Scientific Name: Tsuga species | Family: Pinaceae
Weisdornbluten (Haws, Pirliteiro, Red Hawthorn, Washington Hawthorn) | Scientific Name: Crataegus species | Family: Rosaceae
West Indian Gherkin (Goareberry Gourd, Gooseberry Gourd, Burr Gourd) | Scientific Name: Cucumis anguria | Family: Cucurbitaceae
Western Sword (Sword Fern, Giant Holly Fern, Imbricate Sword Fern) | Scientific Name: Ploystichum munitum | Family: Polypodaceae
White Edged Swedish Ivy (Creeping Charlie, Swedish Ivy) | Scientific Name: Plectranthus australis | Family: Pilea: Uriticaeae; Plectranthus: Lamiaceae
White Ginger (Butterfly Ginger, Cinnamon Jasmine, Garland Flower, Ginger Lily) | Scientific Name: Hedychium coronarium |
White Heart Hickory | Scientific Name: Carya tomentosa | Family: Juglandaceae
Whitman Fern (Bold Sword Fern, Nephrolepis Biserrata, Verona Fern, Verona Lace Fern) | Scientific Name: Nephrolepis biserrata | Family: Dryopteridaceae
Wild Buckwheat (Sulfur Flower, Umbrella Plant) | Scientific Name: Eriogonium umbellatum | Family: Polygonaceae
Wild Hyacinth (Blue Dicks) | Scientific Name: Dichelostemma pulchellum | Family: Amaryllidaceae
Wild Lantana (Sand Verbena, Prairie Snowball) | Scientific Name: Abronia fragrans |
Wild Sasparilla (Sawbrier) | Scientific Name: Smilax glauca | Family: Liliaceae
Wild Strawberry (Strawberry) | Scientific Name: Fragaria | Family: Rosaceae
Willow Herb (Blooming Sally, Fire Weed) | Scientific Name: Epilobium angustifolium | Family: Onagraceae
Wood Lily | Scientific Name: Lilium umbellatum | Family: Liliaceae
Yellow-Flowered Gourd | Scientific Name: Cucurbita species | Family: Cucurbitaceae
Zucchini Squash | Scientific Name: Cucurbia pepo cv zucchini | Family: Cucurbitaceae





Source: http://www.aspca.org/Pet-care/poison-control/plant...
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