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Creeping thistle is a herbaceous perennial plant growing up to 150 cm, forming extensive clonal colonies from thickened roots that send up numerous erect shoots during the growing season. [14] It is a ruderal species. [15] Given its adaptive nature, Cirsium arvense is one of the worst invasive weeds worldwide. Through comparison of its genetic ...
Spear thistle is designated an "injurious weed" under the UK Weeds Act 1959, [19] and a noxious weed in Australia [18] [20] [21] and in nine US states. [22] Spread is only by seed, not by root fragments as in the related creeping thistle C. arvense. It is best cleared from land by hoeing and deep cutting of the taproot before seeds mature ...
The Weeds Act 1959 (7 & 8 Eliz. 2. c. 54) ... The Creeping Thistle is a common resilient perennial plant found in grasslands throughout the United Kingdom ...
Cirsium vulgare (spear thistle) is listed in the United States (where as a non-native invasive species it has been renamed "bull thistle") as a noxious weed in nine states. [6] Some species in particular are cultivated in gardens and wildflower plantings for their aesthetic value and/or to support pollinators such as bees and butterflies.
As insect numbers decline, weeds could be their lifeline, an expert tells Hannah Stephenson. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us ...
Plumeless Thistle Carduus nutans: Musk Thistle Carex kobomugi: Asiatic Sand Sedge Celastrus orbiculatus: Oriental Bittersweet Centaurea maculosa: Spotted Knapweed Cirsium arvense: Creeping Thistle Cirsium vulgare: Bull Thistle Clematis terniflora: Sweet Autumn Clematis Commelina communis: Asiatic dayflower Conium maculatum: Poison hemlock ...
British NVC community OV25 (Urtica dioica - Cirsium arvense community) is one of the open habitat communities in the British National Vegetation Classification system.It is one of four tall-herb weed communities.
Corn thistle – Cirsium arvense; Corn sow thistle – Sonchus arvensis; Creeping thistle – Cirsium arvense; Cursed thistle – Cirsium arvense; Field sow thistle – Sonchus arvensis; Green thistle – Cirsium arvense; Hard thistle – Cirsium arvense; Hare's thistle – Sonchus oleraceus; Milk thistle – Sonchus oleraceus; Nodding thistle ...