County documented: documented to exist in the county by evidence (herbarium specimen, photograph). Synonyms: Carduus lanceolatus, Cirsium lanceolatum Common names: bull thistle Cirsium vulgare (bull thistle) is a perennial or biennial forb (family Asteraceae) Bull thistle is widespread in California and is most common in coastal grasslands, along edges of fresh and brackish marshes, and in meadows and mesic forest openings in the … Bull thistle (Cirsium vulgare) photo by Nina Munteanu On my daily walks to the local marshy stream by a large meadow, a cluster of Bull thistles has recently burst into brilliant purple-pink flower. Cirsium vulgare is a common pasture weed in New Zealand and was introduced into this country from Europe where this species is of minor importance as a weed. (7.6-30.5 cm) long, lance-shaped and very hairy. Spear thistle (Cirsium vulgare) Spear thistle occurs widely on lowland and upland grassland and waste places. The biology and non-chemical control Spear Thistle (Cirsium vulgare). Ia juga dinaturalisasi di Amerika Utara, Afrika, dan Australia dan merupakan rumpai invasif di beberapa kawasan. In: Van Driesche, R., et al., 2002, Biological Control of Invasive Plants in the Eastern United States, USDA Forest Service Publication FHTET-2002-04, 413 p. Pest Status of Weed. These restrictions may prevent the use of one or more of the methods referred to, depending on Cirsium vulgare, the spear thistle, bull thistle, or common thistle, is a species of the Asteraceae genus Cirsium, native throughout most of Europe (north to 66°N, locally 68°N), Western Asia (east to the Yenisei Valley), and northwestern Africa (Atlas Mountains). Cirsium arvense is a perennial species of flowering plant in the family Asteraceae, native throughout Europe and western Asia, northern Africa and widely introduced elsewhere. Cirsium vulgare (Savi) Ten. [74408] 75. van Leeuwen, B. H. 1987. The capitulum gall-full. Establishment and control of bull thistle (Cirsium vulgare) in Yosemite Valley. Japanese knotweed; Injurious weeds. Cirsium vulgare (Savi) Tenore. Cirsium vulgare Photo courtesy Joseph DiTomaso. Non-native: introduced (intentionally or unintentionally); has become naturalized. Synonyms Carduus lanceolatus L. Carduus vulgaris Savi ... and local government laws) directly or indirectly related to each control method. Donald WW, 1990. The plant is beneficial for pollinators that rely on nectar. The spiny, spreading, winged stems are up to 7 ft. (2.1 m) tall. album Mozaff. ... No. Cirsium vulgare Class C Noxious Weed Rosacae Control Recommended Legal Status in King County: Bull thistle is a Class C noxious weed (non‐native species that can be designated for control based on local priorities) according to Washington State Noxious Weed Law, RCW 17.10. Bull thistle, Cirsium vulgare (Savi) Tenore, is an invasive thistle from Eurasia, found throughout the United States and in Canada from Newfoundland to British Columbia. Randall JM, 1990. Synonyms: Cirsium lanceolatum Other names: Nomenclature: vulgare = common, ordinary Nativity / Invasiveness: introduced plant, weed: Edible plant: Medicinal plant: Description General: plant 30-150 cm tall. Mature plants are normally 30-50 cm tall, with flowers from July through to late autumn. Autumn is a good time to control biennial thistles with herbicides because all live plants will be seedlings or rosettes, and plants are easiest to control in the seedling and rosette stages." The plant has colonized much of North America and is a pest plant in the garden and in agriculture. Euromediterranean (except southeast), Caucasus, Western Asia, Siberia, Central Asia, Himalayas, China. (Cirsium vulgare) What is spear thistle? Glyphosate at 0.5% provides effective control of seedling and adult plants, alternatively spot spray Lontrel® 6 ... (1988) Seedling establishment of the biennials Cirsium vulgare and Cynoglossum officinale in a sand-dune area: The importance of water for differential survival and srowth. Control of Thistles in Pasture. Bull thistle (Cirsium vulgare) is a plant that is related to the sunflower family but has none of the charm and beauty of those sunny-nodding flower heads.It is a prickly biennial that grows freely in disturbed soils, pastures, ditches, roadsides and unmanaged spaces. The best method for control of spear thistle is to encourage competition from useful plants. Control Cultural controls of Cirsium vulgare include digging up and removing the entire plant from areas of infestation. No specific ecological studies of these thistles and their predators in the area of origin aimed at the selection of insects for release in Australia, have been carried out. The biological control of Cirsium vulgare (Savi) Tenore in South Africa has been a recent opportunistic project using insects that had already been introduced into other countries. To identify reasons for such preferential infestation and to isolate sensitive stages in the life history of C. vulgare, comparative demographic analyses were conducted in grazed, ungrazed and herbicide‐treated Mediterranean‐like pastures in south‐eastern Australia. is a serious biennial alien weed only in pasture land in Australia. Donald WW, 1991. Also covers those considered historical (not seen in 20 years Native: indigenous. (Cirsium lanceolatum, Carduus lanceolatum, Carduus vulgare, Cnicus lanceolatum) Occurrence The biological control of Cirsium vulgare (Savi) Tenore in South Africa has been a recent opportunistic project using insects that had already been introduced into other countries. 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