Some of these plants only give dogs symptoms of irritations, be aware that the size of your Sibe and the amount of the plant ingested affects how toxic that particular plant can be.
This is not a complete list and you should always take your Sibe to the vet if you suspect they have ingested a poisonous plant.

Listed by name of plant, poisonous or toxic part and symptoms.

Amaryllis.....Bulbs.....Upset stomach, hyperactivity, lethargy, coma, shock, death

Angel's Trumpet.....All parts.....Varied toxic effects

Apple.....seeds, most parts.....Varied toxic effects; rapid breathing, shock, dilated pupils, diarrhea gum inflammation

Apricot, Almond.....seeds.....Vomiting, abdominal pain, diarrhea

Asparagus Fern.....All parts.....Vomiting, abdominal pain, cramps, tremors, heart, respiratory, and kidney failure

Azalea.....All parts.....Weakness, upset stomach, drooling, coma, heart failure, depression

American, English, and Western Yew.....All parts.....Vomiting, abdominal pains, diarrhea

Boston Ivy, Glocal Ivy, Heart Ivy, Needlepoint Ivy, Ripple Ivy, Ivy.....All parts.....Upset stomach, hyperactivity, labored breathing, drooling, fever, increased thirst, dilated pupils, weakness, staggering, death

Bird of Paradise.....Fruit, seeds, most parts.....Varied toxic effects

Buckeye.....All parts.....Varied toxic effects

Black Locust.....All parts.....Varied toxic effects

Balsam Pear.....All parts.....Vomiting, abdominal pain, diarrhea

Buttercup.....All top growth.....Upset stomach

Chrysanthemum.....All parts.....Skin irritation

Creeping Fig, Weeping Fig.....All parts.....Upset stomach, skin irritation

Creeping Charlie.....All parts.....Varied toxic effects

Crown of Thorns.....All parts.....Varied toxic effects

Castor Bean.....Seed pulp, seeds.....Death

China Berry.....All parts..... omiting, upset stomach, diarrhea

Coriaria.....All parts.....Varied toxic effects

Drunk Cane.....All parts.....Upset stomach, oral irritation, asphyxiation, tremors, seizures, loss of balance, death

Delphinium.....All parts.....Varied toxic effects

Daffodil.....Bulbs.....nausea, vomiting, diarrhea, death

Emerald Duke.....All parts.....Varied toxic effects

Elephant Ears.....All parts.....Varied toxic effects

English Holly.....All parts.....Varied toxic effects

Foxglove.....All parts, especially seeds.....Upset stomach, tremors, seizures, loss of balance, lethargy, collapse, heart failure, death

Ground Cherry.....seeds.....Varied toxic effects

Heart leaf (Philodendrum).....Leaves, stems, stalks.....Upset stomach, mouth irritation, tremors, seizures, loss of balance, asphyxiation, death

Horse Chestnut.....All parts.....Varied toxic effects

Indian Turnip.....All parts.....Varied toxic effects

Indian Tobacco.....All parts.....Varied toxic effects

Japanese Plum.....All parts.....Vomiting, abdominal pain, diarrhea, death

Jerusalem Cherry.....Berries.....Varied toxic effects

Jimson Weed.....All parts, especially seeds..... aried toxic effects, death

Jasmine.....All parts.....labored breathing, seizures, weakness, respiratory failure, death

Larkspur.....All parts.....upset stomach, excitement, depression, death

Loco Weed.....All parts.....Varied toxic effects

Lupine.....All parts.....Varied toxic effects

Marble Queen..... All parts.....Varied toxic effects

Majesty.....All parts .....Varied toxic effects

Monkey Pod..... All parts .....Varied toxic effects

Mushrooms.....All parts.....Varied toxic effects

Moonseed.....All parts.....Varied toxic effects

Matrimony Vine.....All parts .....Varied toxic effects

Marijuana.....All parts.....Varied toxic effects

Morning Glory.....Most parts.....Upset stomach, hallucination

Mescal Bean.....seeds.....Varied toxic effects, death

Nightshade .....All parts.....Varied toxic effects

Nutmeg.....All parts.....Varied toxic effects

Oak Tree.....Acorns.....Varied toxic effects

Poinsettia.....All parts especially seeds.....Upset stomach, oral irritation, death

Pot Mum.....All parts.....dermatitis

Pathos.....All parts.....Varied toxic effects

Poke Weed.....All parts.....Varied toxic effects

Peach.....All parts.....Vomiting, abdominal pain, diarrhea

Poison Hemlock.....All parts.....Varied toxic effects, death

Pig Weed.....All parts.....Varied toxic effects

Periwinkle.....Most parts.....hallucinogen, lethargy

Peyote.....Most parts.....Varied toxic effects

Red Princess.....All parts.....Varied toxic effects

Rhubarb.....Leaf blade.....convulsions, coma, death

Spider Mum.....All parts.....dermatitis, skin irritations

Saddle leaf and Split leaf Philodendron.....Leaves, stems, stalks.....upset stomach, mouth irritation, tremors, seizures, loss of balance, asphyxiation, death

Sprangeri Fern.....All parts.....Varied toxic effects

Spinach.....All parts.....Varied toxic effects

Sunburned Potatoes.....Green growth, sprouts.....Varied toxic effects, death

Tomato and Tomato Vine.....Green growth, sprouts, most parts.....Varied toxic effects

Umbrella plant.....All parts.....Vomiting, abdominal pains, cramps, tremors, heart, respiratory, kidney failure, death

Water Hemlock....Most parts, mainly tubers.....Varied, toxic effects, death

Wild Cherry.....seeds.....Upset stomach, tremors, seizures, loss of balance, death

Wisteria.....seeds.....Varied toxic effects

For more information on poisons of small animals go to http://www.avma.org/pubhlth/poisgde.asp