Also see www.moggies.co.uk/plants.html  

Acocanthera (flowers, fruit)
Aconite (also called Monkshood, Wolfsbane - leaves, flowers, roots)
Acorns (all parts)
Alsike Clover (foliage)
American Yew (also called Yew - needles, seeds, bark)
Amsinckia (also called Tarweed - all above ground, especially seeds)
Andromeda Japonica (all parts)
Angel's Trumpet (also called Chalice Vine, Datura, Trumpet Vine - all parts, especially seeds)
Angel's Wings (also called Elephant Ears - leaves, stems, roots)
Antherium (also called Flamingo Lily, Painter's Palette - leaves, stems, roots)
Apple of Peru (also called Thornapple, Flowering Tolguacha - all parts, especially seeds)
Arrowhead Vine (also called Nepthytis, Tri-Leaf Wonder - leaves, stems, roots)
Asian Lily (Liliaceae - all parts)
Australian Nut (all parts)
Bitter Cherry (seeds)
Bitter Nightshade (also called Climbing Nightshade, Bittersweet, European Bittersweet - all parts, especially berries)
Black Nightshade (also called Common Nightshade, Nightshade - unripe berries)
Bloodroot (all parts)
Blue Flag (also called Flag, Fleur-de-lis, Iris - bulbs)
Blue-Green Algae (all parts))
Boston Ivy (leaves, berries)
Bouncing Bet (also called Soapwort - all parts)
Brackenfern; Braken Fern (also called Brake Fern - all parts)
Brake Fern (also called Brakenfern, Braken Fern - all parts)
Buckthorn (all parts)
Bulbs (all species in the families Amarylliaceae, Iridaceae, Liliaceae - bulbs)
Bull Nettle (also called Carolina Nettle, Horse Nettle - all parts)
Burn Plant (also called Aloe Vera - sap)
Caley Pea (all parts)
Calfkill (all parts)
Candelabra Cactus (also called False Cactus - leaves, stem, milky sap)
Carolina Horsenettle (also called Bull Nettle, Horse Nettle - all parts)
Carolina Jessamine (also called Yellow Jessamine, Yellow Jasmine - all parts)
Castor Oil Plant (also called Castor Bean - all parts, especially seeds)
Chalice Vine (also called Angel's Trumpet, Trumpet Vine - all parts)
Chicks (all parts)
Chinese Inkberry (also called Jessamine - fruit, sap)
Chinese Lantern (leaf, unripe fruit)
Choke Cherry (seeds, bark)
Christmas Flower (also called Christmas Plant, Easter Flower, Poinsettia - leaves, stem, milky sap)
Christmas Plant (also called Christmas Flower, Easter Flower, Poinsettia - leaves, stem, milky sap)
Climbing Nightshade (also called Bitter Nightshade, Bittersweet, European Bittersweet - all parts)
Clover (also called Alsike Clover, Red Clover, White Clover - foliage)
Cocklebur (seeds, seedlings, burs)
Common Burdock (burs)
Common Nightshade (also called Black Nightshade, Nightshade - unripe berries)
Common Privet (foliage, berries)
Common Tansy (foliage, flowers)
Coral Plant (all parts)
Corn Lily (also called False Hellebore, Western False Hellebore - all parts)
Cowslip (new leaves, stems)
Crab's Eye (also called Jequirity Bean, Precatory Bean, Rosary Pea - beans)
Creeping Charlie (all parts)
Crowfoot (also called Buttercup - new leaves, stems)
Cuckoo Pint (also called Lords and Ladies - all parts)
Cultivated Bleeding Heart (leaves, stems, roots)
Cultivated Larkspur (all parts)
Cypress Spurge (foliage, flowers, sap)
Day Lily (all parts)
Death Cap Mushroom (all parts)
Destroying Angel Mushroom (also called Amanita - all parts)
Devil's Backbone (also called Kalanchoe - leaves, stems)
Devil's Trumpet (also called Datura - all parts)
Dogbane (leaves, stems, roots)
Doll's Eyes (also called Baneberry - foliage, red/white berries, roots)
Dutchman's Breeches (also called Staggerweed - leaves, stems, roots)
Dwarf Larkspur (also called Larkspur, Poisonweed - all parts)
Easter Flower (also called Christmas Flower, Christmas Plant, Poinsettia - leaves, stem, milky sap) )
Elephant Ears (also called Angel's Wings - leaves, stems, roots)
Emerald Duke (also called Majesty, Philodendron, Red Princess - all parts)
Emerald Fern (also called Emerald Feather - all parts)
English Yew (also called Yew - needles, seeds, bark)
Ergot (fungus on seed heads of grains and grasses)
Euphorbia (foliage, flowers, sap)
European Bittersweet (also called Bitter Nightshade, Bittersweet, Climbing Nightshade - all parts)
Everlasting Pea (all parts)
False Cactus (also called Candelabra Cactus - leaves, stem, milky sap)
False Hellbore (also called Corn Lily, Western False Hellebore - all parts)
Feverfew (also called Chrysanthemum, Mum - leaves, stalks)
Ficus (sap, peel)
Fiddle-Leaf Philodendron (all parts)
Fiddleneck (also called Tarweed - all parts above ground)
Flag (also called Blue Flag, Fleur-de-lis, Iris - bulbs)
Flamingo Plant (all parts)
Fleur-de-lis (also called Blue Flag, Flag, Iris - bulbs)
Fly Agaric (also called Amanita - all parts)
Foxtail Barley (also called Squirreltail Barley, Wild Barley - seedheads)
Gelsemium (foliage, flowers, berries, sap)
Ghost Weed (also called Snow on the Mountain - leaves, stem, milky sap)
Gill-Over-The-Ground (all parts)
Gladiola (bulbs)
Glory Lily (all parts)
Golden Chain (also called Laburnum - flowers, seeds)
Grapes (all parts; also see Raisins)
Green Dragon (also called Jack-in-the-Pulpit, Indian Turnip - leaves, stems, roots)
Green False Hellebore (also called Indian Poke, White Hellebore - all parts)
Green Gold Nephthysis (all parts)
Ground Ivy (all parts)
Groundsel (also called Ragwort, Tansy Ragwort - all parts above ground)
Heartleaf (also called Parlor Ivy, Philodendron - all parts)
Heavenly Bamboo (all parts
Hens-and-Chicks (all parts)
Horse Nettle (also called Bull Nettle, Carolina Horsenettle - all parts)
Horsehead Philodendron (all parts)
Horsetail (also called Scouringrush - all parts)
Impatiens (also called Touch-me-not - all parts)
Indian Poke (also called Green False Hellebore, White Hellebore - all parts)
Indian Turnip (also called Green Dragon, Jack-in-the-Pulpit - leaves, stems, roots)
Inkberry (also called Pokeweed - all parts)
Ivies (all species - leaves, berries)
Jamestown Weed (also called Jimsonweed - all parts)
Japanese Yew (also called Yew - needles, seeds, bark)
Jatropha (seeds, sap)
Java Bean (also called Lima Bean - uncooked beans)
Jequirity Bean (also called Crab's Eye, Precatory Bean, Rosary Pea - beans)
Jessamine (also called Chinese Inkberry - fruit, sap)
Johnson Grass (leaves, stems)
Juniper (needles, stems, berries))
Klamath Weed (also called St. Johnswort - all parts)
Laburnum (also called Golden Chain - flowers, seeds)
Lace Fern (all parts)
Lacy Tree Philodendron (all parts)
Lambkill (also called Sheep Laurel - all parts))
Lantana Camara (also called Red Sage, Yellow Sage - foliage, flowers, berries)
Lilies (all species - all parts)
Lima Bean (also called Java Bean - uncooked beans)
Lords and Ladies (also called Cuckoo Pint - all parts)
Lucerne (also called Alfalfa - foliage)
Macadamia Nut (all parts)
Majesty (also called Emerald Duke, Philodendron, Red Princess - all parts)
Mandrake (also called Mayapple - all but ripe fruit)
Marsh Marigold (also called Marigold - new leaves, stems)
Mauna Loa Peace Lily (also called Peace Lily - all parts)
Mayapple (also called Mandrake - all but ripe fruit)
Mexican Poppy (also called Prickly Poppy - all parts)
Milk Bush (also called Euphorbia, Tinsel Tree - all parts)
Milkweed (leaves, stems, roots)
Nap-at-Noon (also called Snowdrop, Star of Bethlehem - all parts)
Nutmeg (nut)
Oaks (buds, young shoots, sprouts, acorns)
Orange Day Lily (all parts)
Panda (all parts)
Panther Cap Mushroom (also called Amanita - all parts)
Parlor Ivy (also called Heartleaf, Philodendron- all parts)
Pennyroyal (foliage, flowers)
Peyote (also called Mescal - buttons)
Pie Plant (also called Rhubarb - leaves, uncooked stems)
Pin Cherry (seeds)
Pinks (all parts)
Poison Weed (also called Dwarf Lakspur, Larkspur, Delphinium - all parts)
Prickly Poppy (also called Mexican Poppy - all parts)
Quaker Bonnets (also called Lupine, Blue Bonnet - all parts)
Queensland Nut (all parts)
Ragwort (also called Groundsel, Tansy Ragwort - all parts above ground)
Raisins (also see Grapes)
Red Clover (foliage)
Red Lily (all parts)
Red Margined Dracaena (also called Straight Margined Dracaena - all parts)
Red Maple (leaves)
Red Sage (foliage, flowers, berries)
Richweed (also called White Snakeroot, White Sanicle - leaves, flowers, stems, roots)
Rosary Pea (also called Crab's Eye, Jequirity Bean, Precatory Bean - beans)
Rosemary (foliage)
Rubrum Lily (all parts)
Sago Palm (all parts)
Scouringrush (also called Horsetail - all parts)
Senecio (all parts above ground)
Sensitive Fern (all parts)
Sheep Laurel (also called Lambkill - all parts)
Silver Queen (also called Chinese Evergreen - leaves, stems, roots)
Singletary Pea (all parts)
Snake Plant (also called Mother-in-law's Tongue - all parts)
Snapdragon (foliage, flowers)
Soapwort (also called Bouncing Bet - all parts)
Sorghum (foliage)
Spathiphyllum (also called Peace Lily - leaves, stems, flowers, bulbs)
Split-leaf Philodendron (also called Ceriman, Cut-leaf Philodendron, Fruit Salad Plant, Mexican Breadfruit, Swiss Cheese Plant - leaves, stems, roots)
Spotted Cowbane (also called Water Hemlock, Spotted Water Hemlock - all parts)
Spotted Dumb Cane (also called Dieffenbachia - all parts)
Spotted Water Hemlock (also called Spotted Cowbane, Water Hemlock - all parts)
Spring Amanita (also called Amanita - all parts)
Spurges (also called Euphorbia, Milk Bush, Tinsel Tree - all parts)
Squirrelcorn (leaves, stems, roots)
Squirreltail Barley (also called Foxtail Barley, Wild Barley - seedheads)
St. Johnswort (also called Klamath Weed - all parts)
Star Jasmine (foliage, flowers)
Stargazer Lily (all parts)
Stinging Nettle (also called Wood Nettle - leaves, stems)
Straight Margined Dracaena (also called Red Margined Dracaena - all parts)
Sudan Grass (all parts)
Sweet Cherry (seeds)
Syngonium (all parts)
Tangier Pea (all parts)
Tansy Ragwort (also called Grounsel, Ragwort - all parts above ground)
Tarweed (also called Amsinckia - all parts above ground)
Texas Mountain Laurel (also called Mescal Bean - all parts)
Thornapple (also called Apple of Peru, Flowering Tolguacha - all parts)
Tinsel Tree (also called Euphorbia, Milk Bush - all parts)
Tolguacha - flowering (also called Apple of Peru, Thornapple - all parts)
Touch-me-not (also called Impatiens - all parts)
Tree Philodendron (leaves, stems, roots)
Tri-Leaf Wonder (also called Arrowhead Vine, Nepthytis - leaves, stems, roots)
Trillium (foliage)
Trumpet Lily (all parts)
Trumpet Vine (also called Angel's Trumpet, Chalice Vine - all parts))
Tung Oil Tree (all parts)
Umbrella Plant (all parts)
Variable Dieffenbachia (all parts)
Varieg