2007年1月2日 · Distribution of bull thistle in Alaska. Management. Bull thistle does not withstand cultivation. Cutting plants at the soil surface is an effective method of control. Control …
Bull Thistle - Flowering Plant Species of Alaska - Alaska Handbook
Bull Thistle (Cirsium vulgare) is a biennial plant species that thrives in disturbed areas such as roadsides, pastures, and open fields, with a preference for full sun and well-drained soils.
Selected Invasive Plants of Alaska - US Forest Service
Bull thistle forms dense, spiny, stands in meadows, pastures, streamsides, and forest openings. This highly-competitive weed monopolizes water, nutrients, and growing space. Once …
Native range of the species includes Røros, Norway, Vytegra, Russia, and Vologda, Russia (Hultén 1968), which has a 76%, 67%, and 63% climatic match with Nome, respectively. Thus …
On the cover: Bull Thistle photo taken by Michael Rasy, UAF Cooperative Extension Service Bull thistle forms dense, spiny, stands in meadows, pastures, streamsides, and forest openings. …
11 PURPLE Wildflowers in Alaska! (ID Guide) - Bird Watching HQ
Today, we will look at 11 common wildflowers that are purple in Alaska. #1. Bull Thistle. Also known as Boar Thistle, Common Thistle, Dodder, and Spear Thistle. Bull Thistle is a spiny and …
Region 10 - Forest & Grassland Health - US Forest Service
Bull thistle has been found at a number of locations around Alaska, including Fairbanks, Anchorage, Ketchikan, and Haines. It is especially abundant on Prince of Wales Island along …
Bull thistle is found on dry and wet soils, but is most common on soils with intermediate moisture. Geographical Distribution: Cirsium vulgare is a native of Europe, western Asia, and North …
Forest Service • Alaska Region, April 2007 • www.fs.fed.us/r10/spf/fhp/ 3 Bull Thistle (Cirsium vulgare) Sunflower Family • Biennial erect plant rises from a fleshy taproot. A large, flat rosette …
bull thistle (Selected Invasive Plants of Alaska) · iNaturalist
Cirsium vulgare ( Spear Thistle) is a species of the genus Cirsium, native throughout most of Europe (north to 66°N, locally 68°N), western Asia (east to the Yenisei Valley), and …