What’s That Weed?
Introduced Species: Orange and Meadow Hawkweeds (Hieracium aurantiacum and H. pratense [also listed as H. caespitosum]) At the end of a recent walk in Forest Park, I spied a couple […]
Introduced Species: Orange and Meadow Hawkweeds (Hieracium aurantiacum and H. pratense [also listed as H. caespitosum]) At the end of a recent walk in Forest Park, I spied a couple […]
Introduced species: Poison hemlock (Conium maculatum) Characteristics: The carrot family (Apiaceae) is perhaps the most wildly bifurcated plant family in terms of human use, with most of its members being
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