Scotch Thistle | National Invasive Species Information Center
Center for Invasive Species and Ecosystem Health. Provides state, county, point and GIS data. Maps can be downloaded and shared. Google. YouTube; University of Arizona. Coconino County Cooperative Extension. The section below contains highly relevant resources for this species, organized by source.
Identification and Management of Scotch Thistle (Onopordum acanthium …
Scotch thistle (Onopordum acanthium) is an invasive species native to Eurasia. It was likely introduced into North America during the late 19th century (Young & Evans, 1969). Due to the plant’s size and prickles, a stand can damage pasture productivity, ruin campsites, or make trails nearly impassable.
Scotch thistle - Invasive Plant Atlas
This map identifies those states that list this species on their invasive species list or law.
Thistle Identification | Oklahoma State University - OSU Extension
Scotch thistle (Onopordum acanthium) invaded Oklahoma from the west. Infestations have occurred primarily in Roger Mills and Custer counties since the early 1990s; but in 1999-2000, new infestations were recorded in Love, Texas, Harper and Woodward counties. Scotch thistle has large broad leaves.
Onopordum acanthium - Wikipedia
Onopordum acanthium (cotton thistle, Scotch (or Scottish) thistle) is a flowering plant in the family Asteraceae. It is native to Europe and Western Asia from the Iberian Peninsula east to Kazakhstan, and north to central Scandinavia, and widely naturalised elsewhere, [1] [2] [3] with especially large populations present in the United States ...
Scotch thistle (Onopordum acanthium L.) - EDDMapS
State Lists - This map identifies those states that have this species on their invasive species list or law. John Randall, The Nature Conservancy, Survey of TNC Preserves, 1995. Other Common Names: Scottish thistle, cotton thistle, heraldic thistle, Scotch cottonthistle.
Scotch thistle, Onopordum acanthium Asterales: Asteraceae
EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org State List - This map identifies those states that list this …
Invasive Scotch Thistle Weed has Staying Power - CropWatch
2019年4月11日 · Scotch thistle, which can now be found throughout much of North America, is an invasive weed from Eurasia threatening areas along rivers in western Nebraska. Early control efforts are essential to management.
Scotch Thistle - OSU Extension Service
Scotch thistle can form dense, virtually impenetrable stands in low- to high-fertility soils. This publication provides information for identification, management, and control. Scotch thistle was introduced to the United States in the 1800s as an ornamental plant …
Scotch Thistle Factsheet — Invasive Species of Idaho
Scotch Thistle - Short video describing the history, distribution and impact of Scotch thistle in North America, and detailed footage and descriptions for accurately identifying this species in the field.