Introduced species:  Garlic Mustard (Alliaria petiolata) Characteristics:  Garlic mustard is an herbaceous “biennial” (more on that in a minute) with a deep, white taproot.  The rosettes, formed in the first […]

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