The poisonous frog Allobates myersi

Toxicodendron radicans, the ivy-like species of Toxicodendron, common in the eastern United States, known for its ability to cause an itching rash and blistering for most people, through urushiol.

Toxicodendron rydbergii, an ivy-like species of Toxicodendron common in the western United States, well-known for its ability to causes an itching rash and blistering for most people, through urushiol, an oil that is a skin irritant.

(toxicology) The damage that a substance causes is more determined more by its quantity than its essence.

The shrub Acokanthera oppositifolia, containing toxic cardiac glycosides used for poisoning arrows.

(idiomatic) To indicate what type of alcoholic beverage one wishes to be served.

plural of poison pen letter

poison dart frog

plural of poison arrow frog

Any of the poisonous frogs of the family Dendrobatidae.