Aegopodium podagraria (ground elder, herb Gerard, bishop's goutweed, goutweed), a common weed of temperate regions. / Visnaga daucoides (syn. Ammi visnaga); toothpickweed.

Datura stramonium (jimsonweed). / (US) wild marijuana, usually a type used for hemp production, eg, Cannabis sativa var. sativa. / (US, slang, figuratively) low-quality marijuana.

Daucus pusillus. / Euphorbia albomarginata. / Hieracium venosum. / Stachys floridana.

An unwanted and invasive tree.

(chiefly attributive) A combined herbicide and fertilizer.

plural of weed tree

Alternative form of weedwhacker

Synonym of sea-laces (“the seaweed Chorda filum”)

plural of weed man

(slang) A drug dealer or dispenser who specializes in cannabis. / One who destroys weeds, especially one who works in agricultural weed suppression.