Spring is here!

And so are the plants that aren’t good for your horses…

I can never find the list when I need it so today, I am simply going to provide it for you here.

All the links should work… so here you go!

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

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