Introduced species: Puncturevine (Tribulus terrestris) Characteristics: Puncturevine–also known as goathead, devil’s thorn, and several other common epithets–is an annual plant in the sunflower family that emerges from a deep, woody […]
Introduced species: Oblong spurge (Euphorbia oblongata) Characteristics: A hairy perennial native to southeastern Europe and western Asia, oblong spurge can be found as an introduced species in Washington, Oregon and
Introduced species: Money plant (Lunaria annua) Characteristics: Money plant—also known as Honesty, Moonwort, and Silver Dollars—is a tall (to 1 m/3ft) biennial in the Mustard family with a hairy stem.
What’s the Weed? English Holly (Ilex aquifolium) What’s it like? English holly is a large evergreen shrub or small tree, growing to 10 m (30 ft) or more. The thick, tough
Introduced species: Paterson’s curse (Echium plantagineum) Characteristics: Paterson’s curse–also known variously as purple viper’s-bugloss, Salvation Jane, blueweed, Lady Campbell weed, and Riverina bluebell–is an erect winter annual (germinating in autumn