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Cirsium arvense

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574:. Hover flies are also commonly seen pollinating the flower heads of this plant. Florivores such as beetles and grasshoppers are commonly seen as well. The compounds found in the fragrance may not be in the highest abundance but they are highly attractive. P-anisaldehyde is found in less than 1%, yet it attracts pollinators such as honey bees. This is thought to be the result of additive and synergistic effects from the blend increasing the attraction to the plant. After pollination, it can be seen that fragrance emission decreases in 621: 51: 636: 430: 934: 93: 757: 552: 586:
the terpenes (oxoisophoroneoxide, oxoisophorone, and dihydrooxoisophorone) found in the blend. This was seen in both natural plants emitting the fragrance and emitting the scent synthetically. It is believed that general arousal can be stimulated through exposure of a single compound, whereas the accumulated exposure of all the compounds influence the foraging behaviour of the butterflies.
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long-term sustainable control solution that is free and does not involve herbicides. Plants systemically diseased with the rust gradually but surely die. Reductions in thistle density were estimated, in 10 sites in the U.S., Greece, and Russia, to average 43%, 64%, and 81% by 18, 30, and 42 months, respectively, after a single application of spores of the fungus.
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also feeds on the thistle and has been used as a control agent in Canada. One larva of the species can consume up to 95% of seeds in a particular flower bud. However, use of this weevil has had a damaging effect on other thistle species as well, include some that are threatened. It may therefore not
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The fragrance contains several compounds that attract diverse insects. Looking at certain butterflies species, it can be seen that the fragrance blend is highly attractive to them, being sensitive to their antennae. High antennal response are seen in consequence to the phenylacetaldehyde as well as
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is used in North America and New Zealand in biological control. In 2013, in four countries in three continents, epidemics of systemic disease caused by this rust fungus could be routinely and easily established. The procedure for establishing this control agent involves three simple steps and is a
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which assists in wind dispersal. One to 5 flower heads occur per branch, with plants in very favourable conditions producing up to 100 heads per shoot. Each head contains an average of 100 florets. Average seed production per plant has been estimated at 1530. More seeds are produced when male and
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is one of the worst invasive weeds worldwide. Through comparison of its genetic expressions, the plant evolves differently with respect to where it has established itself. Differences can be seen in their R-protein mediated defenses, sensitivities to abiotic stresses, and developmental timing.
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Its underground structure consists of four types, 1) long, thick, horizontal roots, 2) long, thick, vertical roots, 3) short, fine shoots, and 4) vertical, underground stems. Though asserted in some literature, creeping thistle does not form rhizomes. Root buds form
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on the thickened roots of creeping thistle, and give rise to new shoots. Shoots can also arise from the lateral buds on the underground portion of regular shoots, particularly if the shoots are cut off through mowing or when stem segments are buried.
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Growing forages such as alfalfa can help control the species as a weed by frequently cutting the alfalfa to add nutrients to the soil, the weeds also get cut, and have a harder time re-establishing themselves, which reduces the shoot density.
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Crop tolerance and weed control ratings were conducted in the spring of 2012, and the Prepass herbicide by DOW AgroSciences was found to be most effective at controlling the species as a weed problem in alfalfa fields.
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is considered the most nutritious part. The leaves are also edible, though the spines make their preparation for food too tedious to be worthwhile. The stalks, however, are also edible and more easily despined.
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Berner, D. K., et al. (2015) Asymptomatic systemic disease of Canada thistle (Cirsium arvense) caused by Puccinia punctiformis and changes in shoot density following inoculation. Biological Control 86:28-35.
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emits attracts both pollinators and florivores containing compounds that attract each respectively. Honeybees are shown to have the highest visitation rate, followed by other bee species in the genera
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The plant is beneficial for pollinators that rely on nectar. It also was a top producer of nectar sugar in a 2016 study in Britain, with a second-place ranking due to a production per floral unit of (
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Control methods include cutting at flower stem extension before the flower buds open to prevent seed spread. Repeated cutting at the same growth stage over several years may "wear down" the plant.
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feeds on Canada thistle and has been reported to be the most effective biological control agent for that plant. Its larvae parasitize the seed heads, feeding solely upon fertile seed heads.
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female plants are closer together, as flowers are primarily insect-pollinated. The plant can bloom from seed in a year then subsequently the seeds produced can emerge in the following year.
497:, although male plants sometimes produce bisexual flowers. It also differs from other native North American species in having large roots and multiple small flower heads on a branched stem. 967:
are approved in some regions. Glyphosate is a non-selective herbicide that can be used when the plant has grown a few inches tall, where the herbicide can be absorbed by the leaf surfaces.
1904: 578:. This is regulated through a regulatory feedback mechanism depending on the pollination status of the plant. This mechanism has only been observed in pistillate plants for dioecious 1983:"AreAltica carduorumandAltica cirsicola(Coleoptera: Chrysomelidae) Different Species? Implications for the Release of A. cirsicolafor the Biocontrol of Canada Thistle in Canada" 658:
Variation in leaf characters (texture, vestiture, segmentation, spininess) is the basis for determining creeping thistle varieties. According to Flora of Northwest Europe the two
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compound cyme is 10–22 mm (0.39–0.87 in) in diameter, pink-purple, with all the florets of similar form (no division into disc and ray florets). The flowers are usually
868:. Many countries regulate this plant, or its parts (i.e., seed) as a contaminant of other imported products such as grains for consumption or seeds for propagation. In Canada, 1844: 1950: 2401:
Berner, D. K., et al. (2013) Successful establishment of epiphytotics of Puccinia punctiformis for biological control of Cirsium arvense. Biological Control 67:350-360.
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Andersson, Susanna (2003-03-01). "Antennal responses to floral scents in the butterflies Inachis io , Aglais urticae (Nymphalidae), and Gonepteryx rhamni (Pieridae)".
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has shown some promise for controlling Canada thistle, but it must be used in conjunction with other control measures to be effective. Also
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eras, and tend to thrive in areas where sunlight intensity is moderate, temperatures are moderate, and ground water is plentiful. C
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be a desirable control agent. It is unclear if the government continues to use this weevil to control Canada thistles or not.
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is placed in the subtribe Carduinae, tribe Cardueae of the family Asteraceae. Unlike other species in the same genus, it is
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are very spiny, lobed, and up to 15–20 cm long and 2–3 cm broad (smaller on the upper part of the flower stem).
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Theis, Nina (May 2006). "Fragrance of Canada Thistle (Cirsium arvense) Attracts Both Floral Herbivores and Pollinators".
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is classified as a primary noxious weed seed in the Weed Seeds Order 2005 which applies to Canada's Seeds Regulations.
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Induction of Systemic Aecial Infection in Canada Thistle (Cirsium arvense) by Teliospores of Puccinia punctiformis.
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Wimm. & Grab). Leaves all entire or the upper leaves entire and the lower stem leaves shallowly and regularly
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Flora of North America, Canada or creeping or field thistle, Chardon du Canada ou des champs, cirse des champs,
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Theis, Nina; Raguso, Robert A. (November 2005). "The effect of pollination on floral fragrance in thistles".
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The flowers are visited by a wide variety of insects such as bees, moths, wasps and beetles (the generalised
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El-Sayed, A. M.; Byers, J. A.; Manning, L. M.; JĂĽrgens, A.; Mitchell, V. J.; Suckling, D. M. (June 2008).
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Theis, Nina; Raguso, Robert A. (2005-10-25). "The Effect Of Pollination On Floral Fragrance in Thistles".
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species, the roots are edible, though rarely used, not in the least because of their propensity to induce
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even where it is native, for example being designated an "injurious weed" in the United Kingdom under the
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Hamdoun, A. M. (1970-09-01). "The Anatomy of Subterranean Structures of Cirsium arvense (L.) Scop".
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Targeting pollinators and evading herbivores : floral scent emission in two species of Cirsium
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in many additional regions where it has been introduced, usually accidentally as a contaminant in
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have a risk of increased growth which could expand its range and outcompete native species.
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Operational Field Guide to the Propagation and Establishment of the Bioagent Larinus Planus
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Kay, Q. O. N. (1985). Hermaphrodites and subhermaphrodites in a reputedly dioecious plant,
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lists creeping thistle as one of the 22 botanical forages used in their gin, The Botanist.
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from thickened roots that send up numerous erect shoots during the growing season. It is a
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A number of other names are used in other areas or have been used in the past, including:
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Laroche, A.; DeClerck-Floate, R. A.; LeSage, L.; Floate, K. D.; Demeke, T. (1996-06-01).
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feeds on this species and is considered to be a good potential biological control agent.
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Lloyd, D. G.; Myall, A. J. (1976). "Sexual Dimorphism in Cirsium arvense (L.) Scop".
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Van Der Kooi, C. J.; Pen, I.; Staal, M.; Stavenga, D. G.; Elzenga, J. T. M. (2015).
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Altervista Flora Italiana, Cardo dei campi comune, Acker-Kratzdistel, ĂĄkertistel,
963:) caused drastic declines in thistle infestation in Sweden in the 1950s. MCPA and 3212: 2626: 2030:"Floral scent of Canada thistle and its potential as a generic insect attractant" 1211: 3126: 2943: 2925: 2917: 2840: 2596: 2300:. Province of British Columbia, Ministry of Forests. 17 May 2007. Archived from 861: 781: 642: 532: 875:
A study conducted has shown that with future global atmospheric carbon levels,
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plants lose 97% of the water taken up through their roots to transpiration.
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The feathery pappus is also used by the Cherokee to fletch blowgun darts.
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Applying herbicide: Herbicides dominated by phenoxy compounds (especially
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Stems are 30–150 cm, slender green, and freely branched, smooth and
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Guggisberg, Alessia; Lai, Zhao; Huang, Jie; Rieseberg, Loren H. (2013).
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http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200023656
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Every plant species has a unique floral fragrance. The fragrance that
2845: 2422:"2011/12 Fall Alfalfa Herbicide Trials for Control of Canada Thistle" 2163: 853: 849: 837: 773: 323: 31: 2558: 780:. Creeping thistle foliage is used as a food by over 20 species of 3278: 2868: 2708: 2215:. Saskatchewan Soil Conservation Association. 2016. Archived from 932: 796: 777: 755: 550: 428: 104: 1919:
The Birds of the Western Palearctic. Vol. VIII: Crows to Finches
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Weeds and weed management on arable land: an ecological approach
960: 825: 792: 603: 540: 327: 2695: 2562: 1362:"THE BIOLOGY OF CANADIAN WEEDS.: 13. Cirsium arvense (L.) Scop" 683:(Fisch.) Ledeb. Southern Europe. Leaves thickly hairy beneath. 30:"Cursed thistle" redirects here. For the medicinal plant, see 2541:. Lists general information and resources for Canada thistle. 1312:"Roots: evolutionary origins and biogeochemical significance" 535:
on the stem with their base sessile and clasping or shortly
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Ministry of Forests, Lands, and Natural Resource Operations
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elsewhere. The standard English name in its native area is
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10.1603/0022-0493(2008)101[720:FSOCTA]2.0.CO;2
673:. Most of Europe. Leaves hairless or thinly hairy beneath. 2526:(L.) Scop." Journal of Ecology 98, no. 4 (2010): 938-983. 1155:"Nebraska Department of Agriculture Noxious Weed Program" 1899: 1897: 2522:
Tiley, G.E.D. "Biological Flora of the British Isles:
3196: 2571: 1264:Invasive and Problem Plants of the United States: 1049:The Nature, Ecology, and Control of Canada Thistle 803:species is also noted to be a food source for the 2323:Louda, Svaa M.; O'Brien, Charles W. (June 2002). 1552:"The Biology of Canada Thistle (Cirsium arvense)" 2537:, National Invasive Species Information Center, 1293:Sigurd HĂĄkansson CABI Publishing Series, 2003, 706:Wimm. & Grab). Leaves gray-tomentose below. 466:growing up to 150 cm, forming extensive 8: 1185:Hicks, DM; Ouvrard, P; Baldock, KCR (2016). 2539:United States National Agricultural Library 2559: 531:), mostly without spiny wings. Leaves are 68: 49: 38: 2045: 1859:Blamey, M. & Grey-Wilson, C. (1989). 1429: 1377: 1327: 1284: 1282: 1220: 1210: 1119:Botanical Society of Britain and Ireland 582:. Fragrance emission increases with age. 2152:, Canada Gazette Part I, Vol. 139, No. 9 1917:Cramp, S., & Perrins, C. M. (1994). 768:The seeds are an important food for the 1965:Ecological Flora of the British Isles: 1905:"America's most weeded: Canada Thistle" 1834: 1832: 1012: 616: 444:plant. The C3 plants originated during 253: 3415:Taxa named by Giovanni Antonio Scopoli 606:are 4–5 mm long, with a feathery 1580: 1578: 1545: 1543: 1541: 1539: 1355: 1353: 1351: 1349: 1347: 1245:Californian Thistle (Cirsium arvense) 1110:includes photos and distribution maps 1062:Joint Nature Conservation Committee: 7: 3140:51fc5f19-dc48-4886-bfe5-8aae8a9a413a 2967:d7ebd65f-de97-4d75-ba92-effafd55cfd9 1861:Flora of Britain and Northern Europe 1248:, Landcare Research, New Zealand 824:The species is widely considered a 776:, and to a lesser extent for other 2389:Band 80, Nr. 8, 1990, S. 872–877, 1921:. Oxford University Press, Oxford. 1522:10.1111/j.1365-3180.1970.tb00952.x 1467:10.1093/oxfordjournals.aob.a085102 844:in several countries; for example 25: 2531:Species Profile- Canada Thistle ( 2125:Identification of injurious weeds 1366:Canadian Journal of Plant Science 1310:Raven, J.A.; Edwards, D. (2001). 3318:urn:lsid:ipni.org:names:248577-1 3078:urn:lsid:ipni.org:names:195034-1 2381:R. C. French, A. R. Lightfield: 2352:10.1046/j.1523-1739.2002.00541.x 634: 619: 91: 2500:from the original on 2021-12-21 687:The Biology of Canadian Weeds: 338:. It is also commonly known as 2168:Journal of Experimental Botany 2034:Journal of Economic Entomology 1316:Journal of Experimental Botany 1: 1329:10.1093/jexbot/52.suppl_1.381 937:Electron scan micrography of 840:crop seeds. It is cited as a 733:. Leaves shallowly to deeply 330:, northern Africa and widely 1212:10.1371/journal.pone.0158117 3410:Taxa named by Carl Linnaeus 2162:Ziska, L. H. (2003-01-02). 1944:The Ecology of Commanster: 1838:Flora of Northwest Europe: 1779:Journal of Chemical Ecology 1720:Journal of Chemical Ecology 1661:Journal of Chemical Ecology 1360:MOORE, R. J. (1975-10-01). 1027:. Royal Botanic Gardens Kew 1021:"Cirsium arvense (L.) Scop" 641:A creeping thistle with a " 477:Given its adaptive nature, 280:Cephalonoplos ochrolepidium 3431: 3380:NatureServe secure species 2490:"Culture Keepers: Blowgun" 1046:Hodgson, Jesse M. (1968). 1025:Plants of the World Online 433:Flowering creeping thistle 314:is a perennial species of 29: 27:Species of flowering plant 2551:Photos, Drawings, Text. ( 2545:Profile: Canada Thistle ( 1967:Phytophagous Insects for 1799:10.1007/s10886-005-7615-9 1740:10.1007/s10886-005-7615-9 1681:10.1007/s10886-006-9051-x 795:, and several species of 371:lettuce from hell thistle 244: 237: 215: 208: 88:Scientific classification 86: 66: 57: 48: 41: 3405:Plants described in 1753 2391:DOI:10.1094/Phyto-80-872 1887:100: 457-472. Available 1550:Donald, William (1994). 994:Bruichladdich distillery 2553:Wild Plants of Winnipeg 832:. It is also a serious 2007:10.1006/bcon.1996.0039 943: 765: 764:) feeding on the seeds 760:A European goldfinch ( 559: 459:Creeping thistle is a 434: 411:small-flowered thistle 272:Cephalonoplos arvensis 2555:from Nature Manitoba) 2449:Plants for a Future: 2210:"Forages in Rotation" 2143:Weed Seeds Order 2005 1607:10.1007/s000490300001 1252:May 23, 2010, at the 936: 926:Puccinia punctiformis 759: 737:, often asymmetrical. 554: 547:Flower head fragrance 432: 2332:Conservation Biology 2239:Moore 1975, Maw 1976 1930:Finnish Lepidoptera 1636:Theis, Nina Aileen. 987:in some people. The 814:pollination syndrome 322:, native throughout 2372:Turner et al. 1980. 2344:2002ConBi..16..717L 1999:1996BiolC...6..306L 1791:2005JCEco..31.2581T 1732:2005JCEco..31.2581T 1673:2006JCEco..32..917T 1599:2003Checo..13...13A 1514:1970WeedR..10..284H 1203:2016PLoSO..1158117H 1094:(Linnaeus) Scopoli] 762:Carduelis carduelis 558:on creeping thistle 501:Underground network 60:Conservation status 3198:Serratula arvensis 2426:www.forageseed.net 2304:on 30 January 2019 2180:10.1093/jxb/erg027 2148:2012-03-21 at the 2130:2007-06-26 at the 1987:Biological Control 1953:2007-08-26 at the 1847:2008-07-05 at the 1379:10.4141/cjps75-163 1322:(90001): 381–401. 1273:2008-07-05 at the 1143:(Linnaeus) Scopoli 1126:2007-08-08 at the 1071:2009-08-11 at the 948:Aceria anthocoptes 944: 940:Aceria anthocoptes 788:butterfly and the 766: 560: 442:C3 carbon fixation 435: 375:California thistle 296:Serratula arvensis 3367: 3366: 3001:Open Tree of Life 2565:Taxon identifiers 2103:10.1111/plb.12328 1907:. 25 August 2015. 1785:(11): 2581–2600. 1726:(11): 2581–2600. 1431:10.1111/nph.12258 920:Puccinia obtegens 917:The rust species 901:Orellia ruficauda 590:Flowers and seeds 515:Shoots and leaves 399:perennial thistle 361:Alternative names 307: 306: 300: 292: 284: 276: 268: 260: 250: 81: 16:(Redirected from 3422: 3360: 3359: 3347: 3346: 3334: 3333: 3321: 3320: 3308: 3307: 3295: 3294: 3282: 3281: 3269: 3268: 3256: 3255: 3243: 3242: 3230: 3229: 3217: 3216: 3215: 3189: 3188: 3176: 3175: 3163: 3162: 3153: 3152: 3143: 3142: 3130: 3129: 3120: 3119: 3107: 3106: 3094: 3093: 3081: 3080: 3068: 3067: 3055: 3054: 3042: 3041: 3032: 3031: 3019: 3018: 3009: 3008: 2996: 2995: 2983: 2982: 2970: 2969: 2960: 2959: 2947: 2946: 2944:NBNSYS0000004492 2934: 2933: 2921: 2920: 2911: 2910: 2898: 2897: 2885: 2884: 2872: 2871: 2859: 2858: 2849: 2848: 2836: 2835: 2823: 2822: 2810: 2809: 2797: 2796: 2787: 2786: 2774: 2773: 2761: 2760: 2748: 2747: 2735: 2734: 2725: 2724: 2712: 2711: 2699: 2698: 2686: 2685: 2673: 2672: 2660: 2659: 2650: 2649: 2640: 2639: 2630: 2629: 2617: 2616: 2607: 2606: 2605: 2592: 2591: 2590: 2560: 2509: 2508: 2506: 2505: 2486: 2480: 2479: 2477: 2476: 2467:. Archived from 2461: 2455: 2447: 2441: 2440: 2438: 2437: 2428:. Archived from 2417: 2411: 2408: 2402: 2399: 2393: 2379: 2373: 2370: 2364: 2363: 2329: 2320: 2314: 2313: 2311: 2309: 2294:"Larinus planus" 2290: 2284: 2283: 2281: 2280: 2274: 2267: 2257: 2251: 2246: 2240: 2237: 2231: 2230: 2228: 2227: 2221: 2214: 2206: 2200: 2199: 2174:(381): 395–404. 2159: 2153: 2140: 2134: 2121: 2115: 2114: 2082: 2076: 2075: 2049: 2025: 2019: 2018: 1978: 1972: 1963: 1957: 1942: 1936: 1928: 1922: 1915: 1909: 1908: 1901: 1892: 1877: 1871: 1857: 1851: 1836: 1827: 1826: 1774: 1768: 1767: 1715: 1709: 1708: 1656: 1650: 1649: 1633: 1627: 1626: 1582: 1573: 1572: 1570: 1569: 1556: 1547: 1534: 1533: 1497: 1491: 1490: 1488: 1487: 1481:"Canada Thistle" 1477: 1471: 1470: 1455:Annals of Botany 1450: 1444: 1443: 1433: 1409: 1403: 1398: 1392: 1391: 1381: 1372:(4): 1033–1048. 1357: 1342: 1341: 1331: 1307: 1301: 1286: 1277: 1262: 1256: 1241: 1235: 1234: 1224: 1214: 1182: 1176: 1175: 1173: 1172: 1166: 1160:. Archived from 1159: 1151: 1145: 1136: 1130: 1117: 1111: 1101: 1095: 1086:Flora of China, 1081: 1075: 1060: 1054: 1053: 1043: 1037: 1036: 1034: 1032: 1017: 834:invasive species 820:Status as a weed 809:beetle species. 806:Altica cirsicola 784:, including the 638: 623: 367:Canadian thistle 356: 354: 336:creeping thistle 298: 290: 282: 274: 266: 264:Carduus arvensis 258: 248: 221: 96: 95: 75: 72: 71: 53: 39: 21: 3430: 3429: 3425: 3424: 3423: 3421: 3420: 3419: 3400:Flora of Europe 3370: 3369: 3368: 3363: 3355: 3350: 3342: 3337: 3329: 3324: 3316: 3311: 3303: 3298: 3290: 3285: 3277: 3272: 3264: 3259: 3251: 3246: 3238: 3233: 3225: 3220: 3211: 3210: 3205: 3192: 3184: 3179: 3171: 3166: 3158: 3156: 3148: 3146: 3138: 3133: 3125: 3123: 3115: 3110: 3102: 3097: 3089: 3084: 3076: 3071: 3063: 3058: 3050: 3045: 3037: 3035: 3029:Cirsium arvense 3027: 3022: 3016:Cirsium_arvense 3014: 3012: 3004: 2999: 2991: 2988:Observation.org 2986: 2978: 2973: 2965: 2963: 2955: 2950: 2942: 2937: 2929: 2924: 2916: 2915:MichiganFlora: 2914: 2906: 2901: 2893: 2888: 2880: 2875: 2867: 2862: 2854: 2852: 2844: 2839: 2831: 2826: 2818: 2813: 2805: 2800: 2792: 2790: 2782: 2777: 2771:Cirsium arvense 2769: 2764: 2756: 2751: 2743: 2738: 2730: 2728: 2720: 2715: 2707: 2702: 2694: 2689: 2683:Cirsium_arvense 2681: 2676: 2668: 2663: 2657:cirsium-arvense 2655: 2653: 2645: 2643: 2635: 2633: 2625: 2620: 2612: 2610: 2603:Cirsium arvense 2601: 2600: 2595: 2586: 2585: 2580: 2573:Cirsium arvense 2567: 2547:Cirsium arvense 2533:Cirsium arvense 2524:Cirsium arvense 2518: 2513: 2512: 2503: 2501: 2488: 2487: 2483: 2474: 2472: 2463: 2462: 2458: 2452:Cirsium arvense 2448: 2444: 2435: 2433: 2420:Administrator. 2419: 2418: 2414: 2409: 2405: 2400: 2396: 2387:Phytopathology. 2380: 2376: 2371: 2367: 2327: 2322: 2321: 2317: 2307: 2305: 2292: 2291: 2287: 2278: 2276: 2272: 2265: 2259: 2258: 2254: 2247: 2243: 2238: 2234: 2225: 2223: 2219: 2212: 2208: 2207: 2203: 2161: 2160: 2156: 2150:Wayback Machine 2141: 2137: 2132:Wayback Machine 2122: 2118: 2084: 2083: 2079: 2027: 2026: 2022: 1980: 1979: 1975: 1969:Cirsium arvense 1964: 1960: 1955:Wayback Machine 1947:Cirsium arvense 1943: 1939: 1933:Cirsium arvense 1929: 1925: 1916: 1912: 1903: 1902: 1895: 1881:Cirsium arvense 1878: 1874: 1858: 1854: 1849:Wayback Machine 1841:Cirsium arvense 1837: 1830: 1776: 1775: 1771: 1717: 1716: 1712: 1658: 1657: 1653: 1635: 1634: 1630: 1584: 1583: 1576: 1567: 1565: 1554: 1549: 1548: 1537: 1499: 1498: 1494: 1485: 1483: 1479: 1478: 1474: 1452: 1451: 1447: 1418:New Phytologist 1411: 1410: 1406: 1399: 1395: 1359: 1358: 1345: 1309: 1308: 1304: 1287: 1280: 1275:Wayback Machine 1267:Cirsium arvense 1263: 1259: 1254:Wayback Machine 1242: 1238: 1197:(6): e0158117. 1184: 1183: 1179: 1170: 1168: 1164: 1157: 1153: 1152: 1148: 1141:Cirsium arvense 1137: 1133: 1128:Wayback Machine 1118: 1114: 1106:Cirsium arvense 1102: 1098: 1092:Cirsium arvense 1089: 1082: 1078: 1073:Wayback Machine 1065:Cirsium arvense 1061: 1057: 1045: 1044: 1040: 1030: 1028: 1019: 1018: 1014: 1009: 977: 957: 890: 885: 877:C. arvense 870:C. arvense 822: 801:C. arvense 754: 741:Cirsium arvense 727:Cirsium arvense 710:Cirsium arvense 700:Cirsium arvense 689:Cirsium arvense 677:Cirsium arvense 667:Cirsium arvense 656: 651: 650: 649: 646: 639: 630: 628:Cirsium arvense 624: 592: 580:C. arvense 564:C. arvense 549: 517: 503: 491:Cirsium arvense 488: 479:Cirsium arvense 472:ruderal species 468:clonal colonies 464:perennial plant 455: 438:Cirsium arvense 427: 419:stinger-needles 403:prickly thistle 363: 352: 350: 316:flowering plant 311:Cirsium arvense 303: 288:Cnicus arvensis 252: 251: 233: 223: 219:Cirsium arvense 217: 204: 201:C. arvense 90: 82: 73: 69: 62: 43:Cirsium arvense 35: 28: 23: 22: 15: 12: 11: 5: 3428: 3426: 3418: 3417: 3412: 3407: 3402: 3397: 3392: 3387: 3382: 3372: 3371: 3365: 3364: 3362: 3361: 3348: 3344:wfo-0000074013 3335: 3322: 3309: 3296: 3283: 3270: 3257: 3244: 3231: 3218: 3202: 3200: 3194: 3193: 3191: 3190: 3177: 3173:wfo-0000006870 3164: 3154: 3150:canada-thistle 3144: 3131: 3121: 3108: 3095: 3082: 3069: 3056: 3043: 3033: 3020: 3010: 2997: 2984: 2971: 2961: 2948: 2935: 2922: 2912: 2899: 2886: 2873: 2860: 2850: 2837: 2824: 2811: 2798: 2788: 2775: 2762: 2749: 2736: 2726: 2713: 2700: 2687: 2674: 2661: 2651: 2641: 2631: 2618: 2608: 2593: 2577: 2575: 2569: 2568: 2563: 2557: 2556: 2542: 2528: 2517: 2516:External links 2514: 2511: 2510: 2496:. 2013-04-12. 2481: 2465:"The Botanist" 2456: 2442: 2412: 2403: 2394: 2374: 2365: 2338:(3): 717–727. 2315: 2285: 2252: 2241: 2232: 2201: 2154: 2135: 2116: 2077: 2040:(3): 720–727. 2020: 1993:(3): 306–314. 1973: 1958: 1937: 1923: 1910: 1893: 1872: 1852: 1828: 1769: 1710: 1667:(5): 917–927. 1651: 1628: 1574: 1535: 1508:(3): 284–287. 1492: 1472: 1445: 1424:(2): 595–608. 1404: 1393: 1343: 1302: 1278: 1257: 1236: 1177: 1146: 1131: 1112: 1096: 1087: 1076: 1055: 1038: 1011: 1010: 1008: 1005: 976: 973: 956: 953: 910:Larinus planus 889: 886: 884: 881: 830:Weeds Act 1959 821: 818: 753: 750: 749: 748: 738: 724: 723:or undulating. 707: 685: 684: 674: 655: 652: 648: 647: 640: 633: 631: 625: 618: 615: 614: 613: 591: 588: 548: 545: 516: 513: 508:adventitiously 502: 499: 487: 484: 453: 426: 423: 407:setose thistle 383:cursed thistle 362: 359: 340:Canada thistle 318:in the family 305: 304: 302: 301: 293: 285: 277: 269: 261: 256:Breea arvensis 247: 246: 245: 242: 241: 235: 234: 224: 213: 212: 206: 205: 198: 196: 192: 191: 184: 180: 179: 174: 170: 169: 164: 160: 159: 154: 147: 146: 141: 134: 133: 128: 121: 120: 115: 108: 107: 102: 98: 97: 84: 83: 67: 64: 63: 58: 55: 54: 46: 45: 26: 24: 18:Canada thistle 14: 13: 10: 9: 6: 4: 3: 2: 3427: 3416: 3413: 3411: 3408: 3406: 3403: 3401: 3398: 3396: 3395:Flora of Asia 3393: 3391: 3390:Edible plants 3388: 3386: 3383: 3381: 3378: 3377: 3375: 3358: 3353: 3349: 3345: 3340: 3336: 3332: 3327: 3323: 3319: 3314: 3310: 3306: 3301: 3297: 3293: 3288: 3284: 3280: 3275: 3271: 3267: 3262: 3258: 3254: 3249: 3245: 3241: 3236: 3232: 3228: 3223: 3219: 3214: 3208: 3204: 3203: 3201: 3199: 3195: 3187: 3182: 3178: 3174: 3169: 3165: 3161: 3155: 3151: 3145: 3141: 3136: 3132: 3128: 3122: 3118: 3113: 3109: 3105: 3100: 3096: 3092: 3087: 3083: 3079: 3074: 3070: 3066: 3061: 3057: 3053: 3048: 3044: 3040: 3034: 3030: 3025: 3021: 3017: 3011: 3007: 3002: 2998: 2994: 2989: 2985: 2981: 2976: 2972: 2968: 2962: 2958: 2953: 2949: 2945: 2940: 2936: 2932: 2927: 2923: 2919: 2913: 2909: 2904: 2900: 2896: 2891: 2887: 2883: 2878: 2874: 2870: 2865: 2861: 2857: 2851: 2847: 2842: 2838: 2834: 2829: 2825: 2821: 2816: 2812: 2808: 2803: 2799: 2795: 2789: 2785: 2780: 2776: 2772: 2767: 2763: 2759: 2754: 2750: 2746: 2741: 2737: 2733: 2727: 2723: 2718: 2714: 2710: 2705: 2701: 2697: 2692: 2688: 2684: 2679: 2675: 2671: 2666: 2662: 2658: 2652: 2648: 2642: 2638: 2632: 2628: 2623: 2619: 2615: 2609: 2604: 2598: 2594: 2589: 2583: 2579: 2578: 2576: 2574: 2570: 2566: 2561: 2554: 2550: 2548: 2543: 2540: 2536: 2534: 2529: 2527: 2525: 2520: 2519: 2515: 2499: 2495: 2491: 2485: 2482: 2471:on 2017-04-27 2470: 2466: 2460: 2457: 2454: 2453: 2446: 2443: 2432:on 2016-12-02 2431: 2427: 2423: 2416: 2413: 2407: 2404: 2398: 2395: 2392: 2388: 2384: 2378: 2375: 2369: 2366: 2361: 2357: 2353: 2349: 2345: 2341: 2337: 2333: 2326: 2319: 2316: 2303: 2299: 2295: 2289: 2286: 2275:on 2018-11-13 2271: 2264: 2263: 2256: 2253: 2250: 2245: 2242: 2236: 2233: 2222:on 2016-12-02 2218: 2211: 2205: 2202: 2197: 2193: 2189: 2185: 2181: 2177: 2173: 2169: 2165: 2158: 2155: 2151: 2147: 2144: 2139: 2136: 2133: 2129: 2126: 2120: 2117: 2112: 2108: 2104: 2100: 2096: 2092: 2091:Plant Biology 2088: 2081: 2078: 2073: 2069: 2065: 2061: 2057: 2053: 2048: 2043: 2039: 2035: 2031: 2024: 2021: 2016: 2012: 2008: 2004: 2000: 1996: 1992: 1988: 1984: 1977: 1974: 1971: 1970: 1962: 1959: 1956: 1952: 1949: 1948: 1941: 1938: 1935: 1934: 1927: 1924: 1920: 1914: 1911: 1906: 1900: 1898: 1894: 1890: 1886: 1882: 1876: 1873: 1870: 1869:0-340-40170-2 1866: 1862: 1856: 1853: 1850: 1846: 1843: 1842: 1835: 1833: 1829: 1824: 1820: 1816: 1812: 1808: 1804: 1800: 1796: 1792: 1788: 1784: 1780: 1773: 1770: 1765: 1761: 1757: 1753: 1749: 1745: 1741: 1737: 1733: 1729: 1725: 1721: 1714: 1711: 1706: 1702: 1698: 1694: 1690: 1686: 1682: 1678: 1674: 1670: 1666: 1662: 1655: 1652: 1647: 1643: 1639: 1632: 1629: 1624: 1620: 1616: 1612: 1608: 1604: 1600: 1596: 1592: 1588: 1581: 1579: 1575: 1564: 1560: 1553: 1546: 1544: 1542: 1540: 1536: 1531: 1527: 1523: 1519: 1515: 1511: 1507: 1503: 1502:Weed Research 1496: 1493: 1482: 1476: 1473: 1468: 1464: 1460: 1456: 1449: 1446: 1441: 1437: 1432: 1427: 1423: 1419: 1415: 1408: 1405: 1402: 1397: 1394: 1389: 1385: 1380: 1375: 1371: 1367: 1363: 1356: 1354: 1352: 1350: 1348: 1344: 1339: 1335: 1330: 1325: 1321: 1317: 1313: 1306: 1303: 1300: 1299:0-85199-651-5 1296: 1292: 1291: 1285: 1283: 1279: 1276: 1272: 1269: 1268: 1261: 1258: 1255: 1251: 1247: 1246: 1240: 1237: 1232: 1228: 1223: 1218: 1213: 1208: 1204: 1200: 1196: 1192: 1188: 1181: 1178: 1167:on 2022-01-19 1163: 1156: 1150: 1147: 1144: 1142: 1135: 1132: 1129: 1125: 1122: 1116: 1113: 1109: 1107: 1100: 1097: 1093: 1085: 1080: 1077: 1074: 1070: 1067: 1066: 1059: 1056: 1051: 1050: 1042: 1039: 1026: 1022: 1016: 1013: 1006: 1004: 1001: 999: 998:Isle of Islay 995: 990: 986: 982: 974: 972: 968: 966: 962: 954: 952: 950: 949: 942: 941: 935: 931: 928: 927: 922: 921: 915: 912: 911: 905: 903: 902: 897: 893: 887: 882: 880: 878: 873: 871: 867: 866:United States 863: 859: 855: 851: 847: 843: 839: 835: 831: 827: 819: 817: 815: 810: 808: 807: 802: 798: 794: 791: 787: 783: 779: 775: 771: 763: 758: 751: 746: 742: 739: 736: 732: 728: 725: 722: 718: 715: 714:integrifolium 711: 708: 705: 701: 698: 697: 696: 694: 690: 682: 678: 675: 672: 668: 665: 664: 663: 661: 653: 644: 637: 632: 629: 622: 617: 612: 609: 605: 601: 597: 596:inflorescence 589: 587: 583: 581: 577: 573: 569: 565: 557: 553: 546: 544: 542: 538: 534: 530: 526: 522: 514: 512: 509: 500: 498: 496: 492: 485: 483: 480: 475: 473: 469: 465: 462: 457: 451: 447: 443: 439: 431: 424: 422: 420: 416: 412: 408: 404: 400: 396: 392: 391:green thistle 388: 387:field thistle 384: 380: 376: 372: 368: 360: 358: 347: 345: 344:field thistle 341: 337: 333: 329: 325: 321: 317: 313: 312: 297: 294: 289: 286: 281: 278: 273: 270: 265: 262: 257: 254: 243: 240: 236: 232: 228: 222: 220: 214: 211: 210:Binomial name 207: 203: 202: 197: 194: 193: 190: 189: 185: 182: 181: 178: 175: 172: 171: 168: 165: 162: 161: 158: 155: 152: 149: 148: 145: 142: 139: 136: 135: 132: 129: 126: 123: 122: 119: 118:Tracheophytes 116: 113: 110: 109: 106: 103: 100: 99: 94: 89: 85: 79: 65: 61: 56: 52: 47: 44: 40: 37: 33: 19: 3197: 2572: 2552: 2546: 2532: 2523: 2502:. Retrieved 2484: 2473:. Retrieved 2469:the original 2459: 2451: 2445: 2434:. Retrieved 2430:the original 2425: 2415: 2406: 2397: 2386: 2382: 2377: 2368: 2335: 2331: 2318: 2306:. Retrieved 2302:the original 2297: 2288: 2277:. Retrieved 2270:the original 2261: 2255: 2244: 2235: 2224:. Retrieved 2217:the original 2204: 2171: 2167: 2157: 2138: 2119: 2097:(1): 56–62. 2094: 2090: 2080: 2037: 2033: 2023: 1990: 1986: 1976: 1968: 1961: 1946: 1940: 1932: 1926: 1918: 1913: 1884: 1880: 1875: 1860: 1855: 1840: 1782: 1778: 1772: 1723: 1719: 1713: 1664: 1660: 1654: 1637: 1631: 1593:(1): 13–20. 1590: 1587:Chemoecology 1586: 1566:. Retrieved 1562: 1559:Weed Science 1558: 1505: 1501: 1495: 1484:. Retrieved 1475: 1458: 1454: 1448: 1421: 1417: 1407: 1396: 1369: 1365: 1319: 1315: 1305: 1288: 1266: 1260: 1244: 1239: 1194: 1190: 1180: 1169:. Retrieved 1162:the original 1149: 1140: 1134: 1115: 1105: 1099: 1091: 1079: 1064: 1058: 1048: 1041: 1029:. Retrieved 1024: 1015: 1002: 980: 978: 969: 958: 946: 945: 938: 924: 918: 916: 908: 906: 899: 898: 894: 891: 876: 874: 869: 842:noxious weed 823: 811: 804: 800: 786:painted lady 767: 761: 744: 740: 730: 726: 716: 713: 709: 703: 699: 688: 686: 680: 676: 670: 666: 657: 627: 593: 584: 579: 575: 572:Lasioglossum 571: 567: 563: 561: 556:Meadow brown 529:glaucousness 518: 504: 490: 489: 478: 476: 458: 437: 436: 418: 414: 410: 406: 402: 398: 395:hard thistle 394: 390: 386: 382: 379:corn thistle 378: 374: 370: 366: 364: 348: 343: 339: 335: 326:and western 310: 309: 308: 295: 287: 283:(Juz.) Juz. 279: 271: 263: 255: 218: 216: 200: 199: 187: 150: 137: 124: 111: 42: 36: 2926:NatureServe 2841:iNaturalist 2597:Wikispecies 1891:(pdf file). 1885:New Phytol. 1883:(L.) Scop. 1461:: 115–123. 979:Like other 907:The weevil 862:New Zealand 782:Lepidoptera 643:cuckoo spit 523:(having no 425:Description 415:way thistle 355:239 ÎĽg 291:(L.) Hoffm. 275:(L.) Fourr. 267:(L.) Robson 131:Angiosperms 78:NatureServe 3374:Categories 3157:WisFlora: 3052:gcc-106632 3047:Plant List 2644:Calflora: 2504:2017-08-25 2475:2015-04-18 2436:2016-12-01 2308:30 January 2279:2019-01-30 2226:2016-12-01 1568:2016-07-14 1486:2022-05-01 1171:2016-05-08 1108:(L.) Scop. 1090:si lu ji, 1007:References 985:flatulence 965:clopyralid 864:, and the 735:pinnatifid 721:pinnatifid 704:vestitum ( 691:list four 626:Pappus of 461:herbaceous 332:introduced 320:Asteraceae 259:(L.) Less. 177:Asteraceae 3213:Q21877408 2784:200023656 2758:200023656 2740:FloraBase 2654:Cal-IPC: 2188:0022-0957 2056:0022-0493 2015:1049-9644 1807:0098-0331 1748:0098-0331 1689:0098-0331 1615:0937-7409 1530:1365-3180 1388:0008-4220 846:Australia 790:engrailed 770:goldfinch 693:varieties 660:varieties 654:Varieties 600:dioecious 576:C.arvense 537:decurrent 533:alternate 525:trichomes 495:dioecious 450:Paleozoic 195:Species: 167:Asterales 101:Kingdom: 3326:Tropicos 3292:11105329 3279:248577-1 3207:Wikidata 3135:VicFlora 3124:VASCAN: 3112:Tropicos 3013:PalDat: 2931:2.154063 2882:11303398 2869:195034-1 2678:eFloraSA 2634:BioLib: 2582:Wikidata 2498:Archived 2196:12493868 2146:Archived 2128:Archived 2111:25754608 2072:14419740 2064:18613571 1951:Archived 1845:Archived 1815:16273430 1756:16273430 1705:21222911 1697:16739013 1646:57595495 1623:22444773 1440:23586922 1338:11326045 1271:Archived 1250:Archived 1231:27341588 1191:PLOS ONE 1124:Archived 1121:Database 1069:Archived 955:Chemical 772:and the 745:horridum 568:Halictus 521:glabrous 486:Taxonomy 446:Mesozoic 249:Synonyms 239:Synonyms 173:Family: 157:Asterids 144:Eudicots 3385:Cirsium 3357:1176083 3331:2722639 3253:5393543 3117:2700565 2807:3113414 2588:Q341600 2494:YouTube 2360:2367835 2340:Bibcode 2249:Lalonde 2123:DEFRA: 1995:Bibcode 1823:5722787 1787:Bibcode 1764:5722787 1728:Bibcode 1669:Bibcode 1595:Bibcode 1510:Bibcode 1222:4920406 1199:Bibcode 989:taproot 981:Cirsium 888:Organic 883:Control 858:Ireland 778:finches 752:Ecology 731:arvense 681:incanum 671:arvense 188:Cirsium 183:Genus: 163:Order: 105:Plantae 76: ( 74:Secure 3305:521398 3227:206281 3186:993737 3104:3339-1 3091:121159 3060:PLANTS 3006:591412 2964:NZOR: 2833:100755 2794:CIRARV 2791:FoIO: 2732:cirarv 2729:FEIS: 2722:155024 2696:468373 2614:104606 2611:APDB: 2358:  2194:  2186:  2109:  2070:  2062:  2054:  2013:  1889:online 1867:  1821:  1813:  1805:  1762:  1754:  1746:  1703:  1695:  1687:  1644:  1621:  1613:  1528:  1438:  1386:  1336:  1297:  1229:  1219:  1031:5 July 854:Canada 850:Brazil 838:cereal 799:. The 797:aphids 774:linnet 608:pappus 541:leaves 539:. 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Index

Canada thistle
Cnicus

Conservation status
NatureServe
Scientific classification
Edit this classification
Plantae
Tracheophytes
Angiosperms
Eudicots
Asterids
Asterales
Asteraceae
Cirsium
Binomial name
L.
Scop.
Synonyms
flowering plant
Asteraceae
Europe
Asia
introduced

C3 carbon fixation
Mesozoic
Paleozoic
herbaceous
perennial plant

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