Knowledge (XXG)

Jacobaea vulgaris

Source πŸ“

546: 819: 44: 57: 535: 913: 619: 881:, also feeds on ragwort, but will feed on other plants as well, making it an unsuitable biological control. Another biological control agent introduced in the western United States is the ragwort seed fly, although it is not considered very effective at controlling ragwort. The biological control of ragwort was already used in the 1930s. 859:. They absorb alkaloids from the plant and become distasteful to predators, a fact advertised by the black and yellow warning colours. The red and black, day-flying adult moth is also distasteful to many potential predators. The moth is used as a control for ragwort in countries in which it has been introduced and become a problem, like 606:. A priority species is one which is "scarce, threatened and declining". The remainder of the ten threatened species include three species of leaf beetle, another picture-winged fly, and three micro moths. All of these species are Nationally Scarce B, with one leaf beetle categorised as Nationally Scarce A. 696:
and progressively kills cells. About 3-7% of the body weight is sometimes claimed as deadly for horses, but an example in the scientific literature exists of a horse surviving being fed over 20% of its body weight. The effect of low doses is lessened by the destruction of the original alkaloids by
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The plant is generally considered to be biennial but it has the tendency to exhibit perennial properties under certain cultural conditions (such as when subjected to repeated grazing or mowing). The stems are erect, straight, have no or few hairs, and reach a height of 0.3–2.0 metres (1 ft
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In the United Kingdom, where the plant is native, ragwort provides a home and food source to at least 77 insect species. Thirty of these species of invertebrate use ragwort exclusively as their food source and there are another 22 species where ragwort forms a significant part of their diet.
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The alkaloids can be absorbed in small quantities through the skin but studies have shown that the absorption is very much less than by ingestion. Also they are in the N-oxide form which only becomes toxic after conversion inside the digestive tract and they will be excreted harmlessly.
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and cattle. In areas of the world where ragwort is a native plant, such as Britain and continental Europe, documented cases of proven poisoning are rare. Horses do not normally eat fresh ragwort due to its taste. The result, if sufficient quantity is consumed, can be irreversible
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English Nature identifies a further 117 species that use ragwort as a nectar source whilst travelling between feeding and breeding sites, or between metapopulations. These consist mainly of solitary bees, hoverflies, moths, and butterflies such as the small copper butterfly
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by the wind. The number of seeds produced may be as large as 75,000 to 120,000, although in its native range in Eurasia very few of these would grow into new plants and research has shown that most seeds do not travel a great distance from the parent plant.
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the action of bacteria in the digestive tract before they reach the bloodstream. There is no known antidote or cure to poisoning, but examples are known from the scientific literature of horses making a full recovery once consumption has been stopped.
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The most common of those species that are totally reliant on ragwort for their survival is the cinnabar moth. The cinnabar is a United Kingdom Biodiversity Action Plan Species, its status described as "common and widespread, but rapidly declining".
689:. Aflatoxins are a common contaminant formed in feedstuffs by moulds. Research in the United Kingdom has produced results showing megalocytosis, which may be due to various causes, to be a relatively uncommon cause of liver disease in horses. 530:
plants survey conducted by the AgriLand project which is supported by the UK Insect Pollinators Initiative. It also was the top producer of nectar sugar in another study in Britain, with a production per floral unit of (2921 Β± 448ΞΌg).
735:, ragwort is responsible for more than half of the total costs of that state's control of invasive species. The species has been calculated as the 8th most expensive invasive species in terms of cost to Australian farmers, at over 1054:
Donald Macalastair of Druim-a-ghinnir on the Isle of Arran told a story of the fairies journeying to Ireland. The ragwort was their transport and every one of them picked a plant, sat astride and arrived in Ireland in an instant.
867:. As both larvae and adults are distinctly colored and marked, identification of cinnabars is easy outside of their natural range, and grounds and range keepers can quickly recognize them. In both countries, the 715:
Honey collected from ragwort has been found to contain small quantities of jacoline, jacobine, jacozine, senecionine, and seneciphylline, but the quantities have been judged as too minute to be of concern.
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Besides the fact that ragwort is very attractive to such a vast array of insects, some of these are very rare indeed. Of the 30 species that specifically feed on ragwort alone, seven are officially deemed
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heads are 1.5–2.5 centimetres (0.6–1.0 in) diameter, and are borne in dense, flat-topped clusters; the florets are bright yellow. It has a long flowering period lasting from June to November (in the
1757: 666:(p. 322 Appendix II). There is a strong variation between plants from the same location in distribution between the possible alkaloids and even the absolute amount of alkaloids varies drastically. 678:
of the liver of a form identified as megalocytosis where cells are abnormally enlarged. Signs that a horse has been poisoned include yellow mucous membranes, depression, and lack of coordination.
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A Modern Herbal: The Medicinal, Culinary, Cosmetic and Economic Properties, Cultivation and Folk-lore of Herbs, Grasses, Fungi, Shrubs, & Trees with All Their Modern Scientific Uses, Volume 2
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Ragwort is abundant in waste land, waysides and grazing pastures. Its natural habitat is sand dunes, but it is commonly found along road sides, railways and in light, low fertility soil.
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to prevent the spread of the plant. However, the growth of the plant is not made illegal by the Act and there is no statutory obligation for control placed upon landowners in general.
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There is no definitive test for the poisoning however, since megalocytosis is not a change in the liver which is specific to ragwort poisoning. It is also seen in poisoning by other
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Lessard, P.; Wilson, W. D.; Olander, H. J.; Rogers, Q. R.; Mendel, V. E. (1986). "Clinicopathologic study of horses surviving pyrrolizidine alkaloid (Senecio vulgaris) toxicosis".
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provides for a code of practice, which the government states is guidance, on ragwort and does not place any further legal responsibilities on landowners to control the plant.
1672: 987:: the Isle of Man, Arran, Bute, Islay, Jura, Mull, Iona, Eigg, Rum, Skye, Raasay, and the Outer Hebrides. The ragwort, in fact, usually has thirteen petals. The Manx poet 2317: 2307: 724:
As indicated above, common ragwort has become a problem in several areas in which it has been introduced, and various methods are employed to help prevent its spread.
2932: 1764: 904:, although it fades. The flowers can be used to produce a dye that is yellow when the fabric is mordanted with alum. Brown and orange dyes are also reported. 2658: 742:
It is also legislated as a noxious weed in New Zealand, where farmers sometimes bring in helicopters to spray their farms if the ragwort is too widespread.
2175: 1580: 2679:"Tackling speciose genera: species composition and phylogenetic position of Senecio sect. Jacobaea (Asteraceae) based on plastid and nrDNA sequences" 2880: 1251: 2958: 2906: 2376:
McEvoy, Peter; Cox, Caroline; Coombs, Eric (1991). "Successful Biological Control of Ragwort, Senecio Jacobaea, by Introduced Insects in Oregon".
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lobed and the end lobe is blunt. The many names that include the word "stinking" (and Mare's Fart) arise because of the unpleasant smell of the
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Some sensitive individuals can suffer from an allergic reaction because ragwort, like many members of the family Compositae, contains
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Although the plant is often unwanted by landowners because of its toxic effect for cattle and horses, and because it is considered a
3194: 2203: 2019: 827: 2232: 3141: 2893: 1676: 1700:"Providing foraging resources for solitary bees on farmland: current schemes for pollinators benefit a limited suite of species" 2919: 2641: 1210: 24: 3105: 1508: 2963: 2984: 1144: 2342: 1465:
McEvoy, Peter B.; Cox, Caroline S. (1987). "Wind Dispersal Distances in Dimorphic Achenes of Ragwort, Senecio Jacobaea".
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in this context indicates that it could be harmful to agriculture, not that it is dangerous to animals, as all the other
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Macel, Mirka; Vrieling, Klaas; Klinkhamer, Peter G. L. (April 2004). "Variation in pyrrolizidine alkaloid patterns of
1220: 1732: 1699: 1242: 3110: 3069: 2584: 1216: 3189: 868: 56: 3184: 1787: 807: 3074: 2181: 2447: 1584: 2867: 877: 764: 709: 2872: 2846: 1966: 844: 3179: 2841: 2784: 2717: 2501:"Definition - Numen - The Latin Lexicon - An Online Latin Dictionary - A Dictionary of the Latin Language" 705: 578:. In short, ragwort is an exclusive food source for ten rare or threatened insect species, including the 2911: 1368: 1130: 832: 263: 173: 3146: 2668: 368:. Over a season, one plant may produce 2,000 to 2,500 yellow flowers in 20- to 60-headed, flat-topped 3012: 1796: 1619: 1392: 984: 923: 938:
and thought the plant was "under the command of Dame Venus, and cleanses, digests, and discusses."
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to the Mediterranean. In Britain and Ireland, where it is native, it is listed as a noxious weed.
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chose as his emblem the cushag flower, as its twelve petals represent one of the isles of the
931: 643: 639: 635: 534: 526:. It was rated in the top 10 for most nectar production (nectar per unit cover per year) in a 437:
It has been introduced in many other regions, and is listed as a weed in many. These include:
20: 2615: 2608: 2690: 2674: 2474: 2385: 2279: 2271: 2091: 2044: 1940: 1897: 1853: 1843: 1804: 1714: 1637: 1627: 1474: 1337: 1110: 486: 304: 1608:"Food for Pollinators: Quantifying the Nectar and Pollen Resources of Urban Flower Meadows" 3020: 2343:"Ragwort Control Act 2003 Question for Department for Environment, Food and Rural Affairs" 1224: 799:
listed are non-toxic. Under the terms of this Act, a land occupier can be required by the
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The alkaloid does not actually accumulate in the liver but a breakdown product can damage
562: 538: 381: 189: 94: 634:. Alkaloids which have been found in the plant confirmed by the WHO report EHC 80 are -- 238:, usually in dry, open places, and has also been widely distributed as a weed elsewhere. 2236: 1800: 1623: 912: 3043: 2833: 2359: 2284: 2259: 2096: 2079: 1944: 1858: 1831: 1642: 1607: 1528: 788: 776: 474: 385: 81: 2204:"Invasive species have cost Australia $ 390 billion in the past 60 years, study shows" 311:. In the UK, where it is native, it is often unwanted because of its toxic effect for 3163: 3048: 2646: 1041: 980: 864: 853: 631: 579: 575: 458: 209: 2427:
McLaren, D. A.; Ireson, J. E.; Kwong, R. M. (2000). "Biological Control of Ragwort (
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Durham, A. E. (2015). "Surveillance focus: Ragwort toxicity in horses in the UK".
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Giles, C. J. (1983). "Outbreak of ragwort (Senecio jacobea) poisoning in horses".
767:, declares ragwort as a noxious weed, requiring landowners to control its growth. 3097: 1901: 1632: 441:
North America: The United States, present mainly in the northwest and northeast:
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Ragwort is native to the Eurasian continent. In Europe it is widely spread, from
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had a more positive opinion of the plant, as revealed in this poem of 1831:
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Proceedings of the X International Symposium on Biological Control of Weeds
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Filley, Shelby; Hulting, Andy; Pirelli, Gene; Coombs, Eric (August 2011).
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Bulletin of the New Zealand Department of Science and Industrial Research
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The Merck Veterinary Manual introduction to pyrrolizidine alkaloidosis
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which can cause compositae dermatitis. These are different from the
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World Health Organisationβ€”the full text of the report is available.
1967:"Is ragwort poisonous? A ragwort mythbuster | Friends of the Earth" 926:(c.40-90 CE) recommended the herb. The two "fathers" of herbalism, 2924: 2461:
Cameron, Ewen (1935). "A Study of the Natural Control of Ragwort (
1883:"Plants containing pyrrolizidine alkaloids: Toxicity and problems" 1255: 1201: 911: 817: 670: 617: 602:). The Sussex Emerald has been labelled a Priority Species in the 544: 533: 454: 446: 297: 68: 1442:
Poole, A. L.; Cairns, D. (1940). "Botanical Aspects of Ragwort (
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This website is the English version of a Dutch ragwort website
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and its ecological importance is thus considered significant.
19:"Cushag" and "Ragwort" redirect here. For the Manx poet, see 2661:
Information on the importance of ragwort to wildlife on the
2652: 1993:"Acute Liver-Atrophy and Parenchymatous Hepatitis in Horses" 875:) has been introduced to combat the plant. Another beetle, 527: 801:
Secretary of State for Environment, Food and Rural Affairs
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Environmental Health Criteria 80 Pyrrolizidine Alkaloids
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Wood, Thomas J.; Holland, John M.; Goulson, Dave (2016).
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Howatt, Stephen (1989). "The Toxicity of Tansy Ragwort".
2080:"Tansy ragwort poisoning in a horse in southern Ontario" 288:. In the western United States it is generally known as 1295:. Greensboro, North Carolina: National Plant Data Team 727:
In many Australian states ragwort has been declared a
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0 in β€“ 6 ft 7 in). The leaves are
2677:; Gravendeel, Barbara; van der Meijden, Ruud (2002). 2260:"Management practices for control of ragwort species" 1758:"The United Kingdom Biodiversity Action Plan - moths" 1606:
Hicks, D. M.; Ouvrard, P.; Baldock, K. C. R. (2016).
1583:. Conservation Grade. 15 October 2014. Archived from 1526:
Clapham, A. R.; Tutin, T. G.; Warburg, E. F. (1968).
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Noxious Weeds (Thistle, Ragwort, and Dock) Order 1937
2724: 2544:"Plants For A Future Species Database Bibliography" 2010:Jubb, K. V. F.; Kennedy, P. C.; Palmer, N. (2007). 2607: 2318:Department for Environment, Food and Rural Affairs 2308:Department for Environment, Food and Rural Affairs 1527: 2177:Surveillance for pyrrolizidine alkaloids in honey 1830:Cortinovis, Cristina; Caloni, Francesca (2015). 2614:(1981 reprint ed.). Colin Smythe. p.  958:The sun tanned sward in splendid hues that burn 949:Ragwort thou humble flower with tattered leaves 822:Flowering plant with cinnabar moth caterpillars 1763:. Butterfly Conservation. 2007. Archived from 1581:"Which flowers are the best source of nectar?" 900:The leaves can be used to obtain a good green 408:- the typical plant, with ray florets present. 1509:"Seven of the most invasive plants in the UK" 1315:"Washington State Noxious Weed Control Board" 934:, also recommended the herb. Culpeper was an 712:which are responsible for the toxic effects. 230:, is a very common wild flower in the family 8: 2450:. Oregon State University Extension Service. 2360:Revised text of the Ragwort Control Act 2003 1534:(2nd ed.). Cambridge University Press. 955:Thy waste of shining blossoms richly shields 2642:Plume moth working to control ragwort in NZ 2172:Ministry of Agriculture, Fisheries and Food 1997:Union of South Africa. Dept. of Agriculture 2712: 2180:, UK Food Standards Agency, archived from 1667: 1665: 1663: 1661: 964:Of the rich sunshine doth to paleness turn 952:I love to see thee come and litter gold... 630:, making it poisonous to certain animals. 42: 31: 2694: 2585:"Island Facts - Isle of Man Government -" 2283: 2095: 1999:: 7–164 – via Cabi Digital Library. 1890:Food Additives & Contaminants: Part A 1857: 1847: 1641: 1631: 1167: 1165: 961:So bright and glaring that the very light 669:Ragwort is of concern to people who keep 566:). Pollen is collected by solitary bees. 1752: 1750: 1252:Botanical Society of Britain and Ireland 967:And seems but very shadows in thy sight. 783:) is one of the five plants named as an 16:Flowering plant, daisy family Asteraceae 2121:American Journal of Veterinary Research 1149:United States Department of Agriculture 1140:Germplasm Resources Information Network 1122: 1027:To gladden our hearts with their grace. 893:was made from the plant; it was called 848:. Ragwort is best known as the food of 604:United Kingdom Biodiversity Action Plan 1393:"BMP:TANSY RAGWORT (Senecio jacobaea)" 889:In ancient Greece and Rome a supposed 590:), the scarce clouded knot horn moth ( 1733:"Common caterpillars: A simple guide" 1293:The PLANTS Database (plants.usda.gov) 574:. A further three species are on the 518:by many, it provides a great deal of 380:-like groups of prickly hairs called 296:, though its resemblance to the true 7: 3111:815c4c96-ff9c-4015-9e0e-bbe427615e09 3013:f99d3695-7032-43f3-9c50-4b82f4c8a47a 1530:Excursion flora of the British Isles 2610:The Fairy-faith in Celtic countries 2212:Australian Broadcasting Corporation 2014:(5th ed.). Elsevier Saunders. 1229:Australian National Botanic Gardens 1065:List of plants poisonous to equines 1945:10.1111/j.2042-3306.1983.tb01781.x 1018:The Cushag may shine like the sun. 356:Pollination is by a wide range of 14: 971:The ragwort, under its Manx name 3075:urn:lsid:ipni.org:names:245719-1 2078:De Lanux-Van Gorder, V. (2000). 1735:. countrylife.co.uk. 7 June 2017 1363:Parnell, J.; Curtis, T. (2012). 1009:Where the farmer's work is done. 991:(1852–1937) wrote the following 975:, is the national flower of the 908:Literature, poetry and mythology 626:Ragwort contains many different 596:), and the Sussex emerald moth ( 319:, but it is also valued for its 55: 2084:The Canadian Veterinary Journal 1809:10.1016/j.phytochem.2004.02.009 1211:International Plant Names Index 1036:The Cushags have still a place. 25:list of plants known as ragwort 2366:. Accessed on 9 December 2011. 1991:Theiler, Arnold (April 1918). 418:- the ray florets are missing. 323:production which feeds insect 1: 2012:Pathology of Domestic Animals 1145:Agricultural Research Service 1076:with similar looking genera ( 1072:, a tribe also in the family 985:Kingdom of Mann and the Isles 505:in New Zealand and Australia. 397:Two subspecies are accepted: 1902:10.1080/19440049.2010.541288 1633:10.1371/journal.pone.0158117 1422:The Donkey Sanctuary Ireland 1106:with similar looking species 1102:, a genus also in the tribe 787:under the provisions of the 3200:Taxa named by Carl Linnaeus 1221:Harvard University Herbaria 685:, such as nitrosamines and 586:), the picture winged fly ( 303:In some countries it is an 234:that is native to northern 3216: 2683:American Journal of Botany 1707:Journal of Applied Ecology 1217:Royal Botanic Gardens, Kew 1015:In the heart of the hills, 917:Ragwort thou humble flower 501:Australasia: a widespread 270:stinking nanny/ninny/willy 18: 2276:10.1007/s11101-010-9173-1 2258:Leiss, Kirsten A (2010). 2202:Khan, Jo (29 July 2021). 1933:Equine Veterinary Journal 1342:10.1017/S0890037X00032115 1021:Where the golden flowers, 1003:Now, the Cushag, we know, 869:tansy ragwort flea beetle 492:South America: Argentina; 203: 196: 179: 172: 52:Scientific classification 50: 41: 34: 3195:Plants described in 1753 808:Ragwort Control Act 2003 622:Structure of senecionine 498:Asia: India and Siberia; 23:. For other plants, see 2659:Buglife's ragwort pages 2653:Ragwort myths and facts 2526:"Senecio jacobaea - L." 2378:Ecological Applications 1719:10.1111/1365-2664.12718 1030:And in Vannin Veg Veen, 979:According to one story 878:Longitarsus ganglbaueri 710:pyrrolizidine alkaloids 2541:. Cites references at 2467:The Journal of Ecology 2264:Phytochemistry Reviews 1881:Wiedenfeld, H (2011). 919: 823: 765:Noxious Weeds Act 1936 706:sesquiterpene lactones 632:(EHC 80,section 9.1.4) 623: 552: 542: 2606:Wentz, W. Y. (1911). 2569:Grieve, Maud (1971). 1849:10.3390/toxins7124884 1369:Cork University Press 1365:Webb's An Irish Flora 1033:In the valleys green, 936:astrological botanist 915: 873:Longitarsus jacobaeae 845:Phycitodes saxicolais 833:Cochylis atricapitana 821: 621: 548: 537: 510:Ecological importance 495:Africa: North Africa; 366:moths and butterflies 241:Common names include 2696:10.3732/ajb.89.6.929 2324:on 12 September 2007 2233:"Ragwort in Ireland" 1971:friendsoftheearth.uk 1040:(Vannin Veg Veen is 1012:But along the rills, 924:Pedanius Dioscorides 922:The Greek physician 344:. The hermaphrodite 2548:Plants For A Future 2529:Plants For A Future 2431:L.) in Australia". 1801:2004PChem..65..865M 1673:"Ragwort Fact File" 1624:2016PLoSO..1158117H 1587:on 14 December 2019 1513:celsolicitors.co.uk 839:Phycitodes maritima 763:, issued under the 593:Homoeosoma nimbella 588:Campiglossa malaris 351:Northern Hemisphere 3175:Flora of Argentina 2364:Legislation.gov.uk 1317:. 18 October 2024. 1024:Have fairy powers, 920: 830:for the larvae of 824: 814:Biological control 779:, common ragwort ( 624: 599:Thalera fimbrialis 553: 543: 307:and regarded as a 3157: 3156: 2718:Taxon identifiers 2675:Pieter B., Pelser 2625:978-0-901072-51-1 2037:Veterinary Record 1541:978-0-521-04656-5 1418:"Care and advice" 1204:Jacobaea vulgaris 1133:Jacobaea vulgaris 989:Josephine Kermode 683:alkylating agents 614:Poisonous effects 572:nationally scarce 550:Jacobaea vulgaris 412:Jacobaea vulgaris 402:Jacobaea vulgaris 221:Jacobaea vulgaris 217: 216: 212: 183:Jacobaea vulgaris 36:Jacobaea vulgaris 21:Josephine Kermode 3207: 3190:Medicinal plants 3150: 3149: 3137: 3136: 3124: 3123: 3114: 3113: 3101: 3100: 3091: 3090: 3078: 3077: 3065: 3064: 3052: 3051: 3039: 3038: 3036:Senecio_jacobaea 3029: 3028: 3016: 3015: 3006: 3005: 3003:Senecio~jacobaea 2993: 2992: 2990:NBNSYS0000004364 2980: 2979: 2967: 2966: 2954: 2953: 2941: 2940: 2928: 2927: 2915: 2914: 2902: 2901: 2889: 2888: 2876: 2875: 2863: 2862: 2860:Senecio jacobaea 2850: 2849: 2837: 2836: 2824: 2823: 2811: 2810: 2808:Senecio_jacobaea 2798: 2797: 2795:senecio-jacobaea 2788: 2787: 2778: 2777: 2768: 2767: 2755: 2754: 2745: 2744: 2743: 2726:Senecio jacobaea 2713: 2708: 2698: 2630: 2629: 2613: 2603: 2597: 2596: 2591:. Archived from 2581: 2575: 2574: 2566: 2560: 2559: 2557: 2555: 2540: 2538: 2536: 2522: 2516: 2515: 2513: 2511: 2505:latinlexicon.org 2497: 2491: 2490: 2463:Senecio Jacobaea 2458: 2452: 2451: 2443: 2437: 2436: 2429:Senecio jacobaea 2424: 2418: 2417: 2373: 2367: 2357: 2351: 2350: 2339: 2333: 2332: 2331: 2329: 2320:, archived from 2304: 2298: 2297: 2287: 2255: 2249: 2248: 2246: 2244: 2235:. Archived from 2229: 2223: 2222: 2220: 2218: 2199: 2193: 2192: 2191: 2189: 2184:on 8 August 2007 2168: 2162: 2161: 2159: 2157: 2143: 2137: 2136: 2116: 2110: 2109: 2099: 2075: 2069: 2068: 2049:10.1136/vr.h2817 2032: 2026: 2025: 2007: 2001: 2000: 1988: 1982: 1981: 1979: 1977: 1963: 1957: 1956: 1928: 1922: 1921: 1887: 1878: 1872: 1871: 1861: 1851: 1827: 1821: 1820: 1783:Senecio jacobaea 1778: 1772: 1771: 1769: 1762: 1754: 1745: 1744: 1742: 1740: 1729: 1723: 1722: 1704: 1695: 1689: 1688: 1686: 1684: 1675:. Archived from 1669: 1656: 1655: 1645: 1635: 1603: 1597: 1596: 1594: 1592: 1577: 1571: 1570: 1568: 1566: 1556:"Common ragwort" 1552: 1546: 1545: 1533: 1523: 1517: 1516: 1505: 1499: 1498: 1473:(6): 2006–2015. 1462: 1456: 1455: 1444:Senecio jacobaea 1439: 1433: 1432: 1430: 1428: 1414: 1408: 1407: 1405: 1403: 1397:WeedWise Program 1389: 1383: 1382: 1360: 1354: 1353: 1325: 1319: 1318: 1311: 1305: 1304: 1302: 1300: 1287:Senecio jacobaea 1277: 1271: 1270: 1268: 1266: 1260: 1254:. Archived from 1249: 1239: 1233: 1232: 1198: 1192: 1191: 1189: 1187: 1179:Senecio jacobaea 1169: 1160: 1159: 1157: 1155: 1127: 1111:Senecio vulgaris 1006:Must never grow, 863:and the western 781:Senecio jacobaea 738: 305:invasive species 300:is superficial. 227:Senecio jacobaea 208: 206:Senecio jacobaea 185: 165:J. vulgaris 60: 59: 46: 32: 3215: 3214: 3210: 3209: 3208: 3206: 3205: 3204: 3185:Flora of Europe 3160: 3159: 3158: 3153: 3145: 3140: 3132: 3127: 3119: 3117: 3109: 3104: 3096: 3094: 3086: 3081: 3073: 3068: 3060: 3055: 3047: 3042: 3034: 3032: 3024: 3021:Observation.org 3019: 3011: 3009: 3001: 2996: 2988: 2983: 2975: 2970: 2962: 2957: 2949: 2944: 2936: 2931: 2923: 2918: 2910: 2905: 2897: 2892: 2884: 2879: 2871: 2866: 2858: 2853: 2845: 2840: 2832: 2827: 2819: 2814: 2806: 2801: 2793: 2791: 2783: 2781: 2773: 2771: 2763: 2758: 2750: 2748: 2739: 2738: 2733: 2720: 2673: 2638: 2633: 2626: 2605: 2604: 2600: 2595:on 10 May 2007. 2583: 2582: 2578: 2568: 2567: 2563: 2553: 2551: 2542: 2534: 2532: 2524: 2523: 2519: 2509: 2507: 2499: 2498: 2494: 2479:10.2307/2256123 2460: 2459: 2455: 2448:"Tansy Ragwort" 2445: 2444: 2440: 2426: 2425: 2421: 2390:10.2307/1941900 2375: 2374: 2370: 2358: 2354: 2341: 2340: 2336: 2327: 2325: 2306: 2305: 2301: 2257: 2256: 2252: 2242: 2240: 2239:on 28 July 2009 2231: 2230: 2226: 2216: 2214: 2201: 2200: 2196: 2187: 2185: 2170: 2169: 2165: 2155: 2153: 2145: 2144: 2140: 2118: 2117: 2113: 2077: 2076: 2072: 2043:(24): 620–622. 2034: 2033: 2029: 2022: 2009: 2008: 2004: 1990: 1989: 1985: 1975: 1973: 1965: 1964: 1960: 1930: 1929: 1925: 1885: 1880: 1879: 1875: 1829: 1828: 1824: 1780: 1779: 1775: 1767: 1760: 1756: 1755: 1748: 1738: 1736: 1731: 1730: 1726: 1702: 1697: 1696: 1692: 1682: 1680: 1671: 1670: 1659: 1618:(6): e0158117. 1605: 1604: 1600: 1590: 1588: 1579: 1578: 1574: 1564: 1562: 1554: 1553: 1549: 1542: 1525: 1524: 1520: 1515:. 13 July 2020. 1507: 1506: 1502: 1479:10.2307/1939891 1464: 1463: 1459: 1441: 1440: 1436: 1426: 1424: 1416: 1415: 1411: 1401: 1399: 1391: 1390: 1386: 1379: 1378:978-185918-4783 1362: 1361: 1357: 1330:Weed Technology 1327: 1326: 1322: 1313: 1312: 1308: 1298: 1296: 1279: 1278: 1274: 1264: 1262: 1261:on 26 June 2015 1258: 1247: 1241: 1240: 1236: 1231:. 29 June 2008. 1200: 1199: 1195: 1185: 1183: 1171: 1170: 1163: 1153: 1151: 1129: 1128: 1124: 1120: 1061: 910: 887: 857:Tyria jacobaeae 816: 797:injurious weeds 773: 753: 748: 739:over 60 years. 736: 722: 616: 584:Tyria jacobaeae 563:Lycaena phlaeas 512: 425: 395: 333: 251:stinking willie 192: 187: 181: 168: 54: 28: 17: 12: 11: 5: 3213: 3211: 3203: 3202: 3197: 3192: 3187: 3182: 3177: 3172: 3162: 3161: 3155: 3154: 3152: 3151: 3138: 3134:wfo-0000075977 3125: 3115: 3102: 3092: 3079: 3066: 3053: 3040: 3030: 3017: 3007: 2994: 2981: 2968: 2955: 2942: 2929: 2916: 2903: 2890: 2877: 2864: 2851: 2838: 2825: 2812: 2799: 2789: 2779: 2769: 2756: 2746: 2730: 2728: 2722: 2721: 2716: 2710: 2709: 2689:(6): 929–939. 2671: 2666: 2656: 2650: 2644: 2637: 2636:External links 2634: 2632: 2631: 2624: 2598: 2576: 2561: 2550:. PFAF Charity 2531:. PFAF Charity 2517: 2492: 2473:(2): 265–322. 2453: 2438: 2419: 2384:(4): 430–442. 2368: 2352: 2334: 2313:Weeds Act 1959 2299: 2270:(1): 153–163. 2250: 2224: 2194: 2163: 2138: 2127:(8): 1776–80. 2111: 2070: 2027: 2020: 2002: 1983: 1958: 1923: 1896:(3): 282–292. 1873: 1842:(12): 5301–7. 1822: 1795:(7): 865–873. 1788:Phytochemistry 1773: 1770:on 7 May 2012. 1746: 1724: 1690: 1679:on 14 May 2012 1657: 1598: 1572: 1560:Garden Organic 1547: 1540: 1518: 1500: 1457: 1446:L.) Control". 1434: 1409: 1384: 1377: 1355: 1336:(2): 436–438. 1320: 1306: 1272: 1244:BSBI List 2007 1234: 1193: 1161: 1121: 1119: 1116: 1115: 1114: 1107: 1095: 1067: 1060: 1057: 1038: 1037: 1034: 1031: 1028: 1025: 1022: 1019: 1016: 1013: 1010: 1007: 1004: 969: 968: 965: 962: 959: 956: 953: 950: 909: 906: 886: 883: 815: 812: 789:Weeds Act 1959 785:injurious weed 777:United Kingdom 772: 771:United Kingdom 769: 752: 749: 747: 744: 721: 718: 656:seneciphylline 615: 612: 511: 508: 507: 506: 499: 496: 493: 490: 424: 421: 420: 419: 409: 394: 391: 386:seed dispersal 332: 329: 247:common ragwort 215: 214: 201: 200: 194: 193: 188: 177: 176: 170: 169: 162: 160: 156: 155: 148: 144: 143: 138: 134: 133: 128: 124: 123: 118: 111: 110: 105: 98: 97: 92: 85: 84: 79: 72: 71: 66: 62: 61: 48: 47: 39: 38: 15: 13: 10: 9: 6: 4: 3: 2: 3212: 3201: 3198: 3196: 3193: 3191: 3188: 3186: 3183: 3181: 3180:Flora of Asia 3178: 3176: 3173: 3171: 3168: 3167: 3165: 3148: 3143: 3139: 3135: 3130: 3126: 3122: 3121:tansy_ragwort 3116: 3112: 3107: 3103: 3099: 3093: 3089: 3084: 3080: 3076: 3071: 3067: 3063: 3058: 3054: 3050: 3045: 3041: 3037: 3031: 3027: 3022: 3018: 3014: 3008: 3004: 2999: 2995: 2991: 2986: 2982: 2978: 2973: 2969: 2965: 2960: 2956: 2952: 2947: 2943: 2939: 2934: 2930: 2926: 2921: 2917: 2913: 2908: 2904: 2900: 2895: 2891: 2887: 2882: 2878: 2874: 2869: 2865: 2861: 2856: 2852: 2848: 2843: 2839: 2835: 2830: 2826: 2822: 2817: 2813: 2809: 2804: 2800: 2796: 2790: 2786: 2780: 2776: 2770: 2766: 2761: 2757: 2753: 2747: 2742: 2736: 2732: 2731: 2729: 2727: 2723: 2719: 2714: 2706: 2702: 2697: 2692: 2688: 2684: 2680: 2676: 2672: 2670: 2667: 2664: 2660: 2657: 2654: 2651: 2648: 2645: 2643: 2640: 2639: 2635: 2627: 2621: 2617: 2612: 2611: 2602: 2599: 2594: 2590: 2586: 2580: 2577: 2572: 2565: 2562: 2549: 2545: 2530: 2527: 2521: 2518: 2506: 2502: 2496: 2493: 2488: 2484: 2480: 2476: 2472: 2468: 2464: 2457: 2454: 2449: 2442: 2439: 2434: 2430: 2423: 2420: 2415: 2411: 2407: 2403: 2399: 2395: 2391: 2387: 2383: 2379: 2372: 2369: 2365: 2361: 2356: 2353: 2348: 2344: 2338: 2335: 2323: 2319: 2315: 2314: 2309: 2303: 2300: 2295: 2291: 2286: 2281: 2277: 2273: 2269: 2265: 2261: 2254: 2251: 2238: 2234: 2228: 2225: 2213: 2209: 2205: 2198: 2195: 2183: 2179: 2178: 2173: 2167: 2164: 2152: 2148: 2142: 2139: 2134: 2130: 2126: 2122: 2115: 2112: 2107: 2103: 2098: 2093: 2090:(5): 409–10. 2089: 2085: 2081: 2074: 2071: 2066: 2062: 2058: 2054: 2050: 2046: 2042: 2038: 2031: 2028: 2023: 2021:9780702028236 2017: 2013: 2006: 2003: 1998: 1994: 1987: 1984: 1972: 1968: 1962: 1959: 1954: 1950: 1946: 1942: 1939:(3): 248–50. 1938: 1934: 1927: 1924: 1919: 1915: 1911: 1907: 1903: 1899: 1895: 1891: 1884: 1877: 1874: 1869: 1865: 1860: 1855: 1850: 1845: 1841: 1837: 1833: 1826: 1823: 1818: 1814: 1810: 1806: 1802: 1798: 1794: 1790: 1789: 1784: 1777: 1774: 1766: 1759: 1753: 1751: 1747: 1734: 1728: 1725: 1720: 1716: 1712: 1708: 1701: 1694: 1691: 1678: 1674: 1668: 1666: 1664: 1662: 1658: 1653: 1649: 1644: 1639: 1634: 1629: 1625: 1621: 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879: 874: 870: 866: 865:United States 862: 858: 855: 854:cinnabar moth 851: 847: 846: 841: 840: 835: 834: 829: 826:Ragwort is a 820: 813: 811: 809: 804: 802: 798: 794: 790: 786: 782: 778: 770: 768: 766: 762: 758: 750: 745: 743: 740: 734: 730: 725: 719: 717: 713: 711: 707: 702: 698: 695: 690: 688: 684: 679: 677: 672: 667: 665: 661: 657: 653: 649: 645: 641: 637: 633: 629: 620: 613: 611: 607: 605: 601: 600: 595: 594: 589: 585: 581: 580:cinnabar moth 577: 576:IUCN Red List 573: 567: 565: 564: 557: 551: 547: 540: 536: 532: 529: 525: 521: 517: 509: 504: 500: 497: 494: 491: 488: 484: 480: 476: 472: 468: 464: 460: 459:Massachusetts 456: 452: 448: 444: 440: 439: 438: 435: 432: 430: 422: 417: 413: 410: 407: 403: 400: 399: 398: 392: 390: 387: 384:, which help 383: 379: 375: 371: 367: 363: 359: 354: 352: 347: 343: 339: 330: 328: 326: 322: 318: 314: 310: 306: 301: 299: 295: 291: 290:tansy ragwort 287: 283: 279: 275: 271: 267: 265: 260: 256: 255:tansy ragwort 252: 248: 244: 239: 237: 233: 229: 228: 223: 222: 213: 211: 207: 202: 199: 195: 191: 186: 184: 178: 175: 174:Binomial name 171: 167: 166: 161: 158: 157: 154: 153: 149: 146: 145: 142: 139: 136: 135: 132: 129: 126: 125: 122: 119: 116: 113: 112: 109: 106: 103: 100: 99: 96: 93: 90: 87: 86: 83: 82:Tracheophytes 80: 77: 74: 73: 70: 67: 64: 63: 58: 53: 49: 45: 40: 37: 33: 30: 26: 22: 2725: 2686: 2682: 2609: 2601: 2593:the original 2588: 2579: 2570: 2564: 2552:. Retrieved 2547: 2533:. Retrieved 2528: 2520: 2510:18 September 2508:. Retrieved 2504: 2495: 2470: 2466: 2462: 2456: 2441: 2432: 2428: 2422: 2381: 2377: 2371: 2355: 2337: 2326:, retrieved 2322:the original 2312: 2302: 2267: 2263: 2253: 2241:. Retrieved 2237:the original 2227: 2215:. Retrieved 2207: 2197: 2186:, retrieved 2182:the original 2176: 2166: 2154:. Retrieved 2150: 2141: 2124: 2120: 2114: 2087: 2083: 2073: 2040: 2036: 2030: 2011: 2005: 1996: 1986: 1974:. Retrieved 1970: 1961: 1936: 1932: 1926: 1893: 1889: 1876: 1839: 1835: 1825: 1792: 1786: 1782: 1776: 1765:the original 1737:. Retrieved 1727: 1710: 1706: 1693: 1681:. Retrieved 1677:the original 1615: 1611: 1601: 1589:. Retrieved 1585:the original 1575: 1563:. Retrieved 1559: 1550: 1529: 1521: 1512: 1503: 1470: 1466: 1460: 1451: 1447: 1443: 1437: 1425:. Retrieved 1421: 1412: 1400:. Retrieved 1396: 1387: 1364: 1358: 1333: 1329: 1323: 1309: 1297:. Retrieved 1292: 1286: 1275: 1263:. Retrieved 1256:the original 1243: 1237: 1209: 1203: 1196: 1184:. Retrieved 1178: 1152:. Retrieved 1138: 1132: 1125: 1109: 1097: 1089: 1083: 1077: 1053: 1046:dear little 1045: 1039: 996: 972: 970: 940: 921: 916: 899: 888: 876: 872: 856: 850:caterpillars 843: 837: 831: 825: 805: 796: 792: 784: 780: 774: 754: 741: 729:noxious weed 726: 723: 714: 703: 699: 691: 680: 668: 625: 608: 597: 591: 587: 583: 568: 561: 558: 554: 549: 513: 483:Pennsylvania 436: 433: 426: 423:Distribution 415: 411: 405: 401: 396: 355: 334: 309:noxious weed 302: 293: 289: 285: 281: 278:dog standard 277: 273: 269: 262: 258: 254: 250: 246: 242: 240: 226: 225: 220: 219: 218: 205: 204: 182: 180: 164: 163: 151: 114: 101: 88: 75: 35: 29: 2972:NatureServe 2151:iNaturalist 1713:: 323–333. 1104:Senecioneae 1048:Isle of Man 977:Isle of Man 891:aphrodisiac 885:Other usage 861:New Zealand 791:. The word 746:Legislation 660:senecionine 524:pollinators 429:Scandinavia 331:Description 325:pollinators 286:stammerwort 274:staggerwort 95:Angiosperms 3164:Categories 3044:Plant List 2782:Calflora: 2589:www.gov.im 1591:18 October 1299:9 November 1281:USDA, NRCS 1265:17 October 1118:References 1074:Asteraceae 1070:Cichorieae 995:about the 943:John Clare 828:food plant 687:aflatoxins 664:senkirkine 652:retrorsine 541:on ragwort 487:Washington 471:New Jersey 443:California 282:cankerwort 232:Asteraceae 141:Asteraceae 2873:242348344 2847:242348344 2829:FloraBase 2792:Cal-IPC: 2554:14 August 2535:14 August 2328:12 August 2188:12 August 2147:"Ragwort" 1225:Libraries 1177:"Species 1154:10 August 1099:Cineraria 1085:Leontodon 981:King Orry 941:The poet 793:injurious 676:cirrhosis 648:otosenine 628:alkaloids 539:Drone fly 378:dandelion 338:pinnately 264:St. James 159:Species: 131:Asterales 65:Kingdom: 3170:Jacobaea 3106:VicFlora 3095:VASCAN: 3083:Tropicos 3049:gcc-3265 3033:PalDat: 2998:NSWFlora 2977:2.159061 2938:11307069 2925:245719-1 2803:eFloraSA 2772:BioLib: 2741:Q1144724 2735:Wikidata 2705:21665692 2435:: 67–79. 2414:21701854 2406:27755672 2294:21475410 2208:ABC News 2174:(1995), 2106:10816838 2057:26067012 1918:23218347 1910:21360374 1868:26670251 1817:15081286 1683:31 March 1652:27341588 1612:PLOS ONE 1495:29357152 1350:90478222 1283:(n.d.). 1079:Agoseris 1059:See also 932:Culpeper 895:satyrion 733:Tasmania 644:jacozine 640:jaconine 636:jacobine 475:New York 463:Michigan 451:Illinois 416:dunensis 406:vulgaris 393:Taxonomy 382:pappuses 198:Synonyms 152:Jacobaea 137:Family: 121:Asterids 108:Eudicots 3147:1124131 3088:2701260 2886:3097243 2665:website 2663:Buglife 2487:2256123 2398:1941900 2347:Hansard 2285:3047715 2217:30 July 2156:11 July 2133:2875683 2097:1476261 2065:8833710 1976:20 July 1953:6136403 1859:4690134 1797:Bibcode 1739:20 July 1643:4920406 1620:Bibcode 1487:1939891 1467:Ecology 1454:: 1–66. 1427:20 July 1402:20 July 1206:Gaertn" 1186:29 June 1173:UniProt 1091:Sonchus 852:of the 775:In the 757:Ireland 751:Ireland 737:A$ 500m 720:Control 467:Montana 374:achenes 370:corymbs 259:benweed 243:ragwort 236:Eurasia 224:, syn. 190:Gaertn. 147:Genus: 127:Order: 69:Plantae 3057:PLANTS 3026:159075 3010:NZOR: 2912:104534 2821:160452 2765:101658 2752:139226 2749:APDB: 2703:  2622:  2485:  2465:L.)". 2412:  2404:  2396:  2292:  2282:  2243:1 July 2131:  2104:  2094:  2063:  2055:  2018:  1951:  1916:  1908:  1866:  1856:  1836:Toxins 1815:  1650:  1640:  1538:  1493:  1485:  1375:  1348:  1223:& 1213:(IPNI) 1094:, etc) 997:Cushag 973:Cushag 928:Gerard 842:, and 759:, the 671:horses 662:, and 520:nectar 485:, and 479:Oregon 372:. The 346:flower 342:leaves 321:nectar 317:horses 313:cattle 3142:WoRMS 3118:WiO: 3098:12022 2964:36089 2951:49558 2933:IRMNG 2855:FoAO2 2816:EUNIS 2775:41410 2483:JSTOR 2410:S2CID 2394:JSTOR 2362:from 2061:S2CID 1914:S2CID 1886:(PDF) 1768:(PDF) 1761:(PDF) 1703:(PDF) 1565:3 May 1483:JSTOR 1346:S2CID 1259:(xls) 1248:(xls) 455:Maine 447:Idaho 414:ssp. 404:ssp. 376:have 362:flies 298:tansy 294:tansy 292:, or 266:-wort 115:Clade 102:Clade 89:Clade 76:Clade 3070:POWO 3062:SEJA 2959:ITIS 2920:IPNI 2907:GRIN 2899:1348 2894:GISD 2881:GBIF 2834:8209 2785:7508 2760:APNI 2701:PMID 2620:ISBN 2556:2020 2537:2020 2512:2024 2402:PMID 2330:2007 2290:PMID 2245:2009 2219:2021 2190:2007 2158:2023 2129:PMID 2102:PMID 2053:PMID 2016:ISBN 1978:2024 1949:PMID 1906:PMID 1864:PMID 1813:PMID 1741:2017 1685:2012 1648:PMID 1593:2017 1567:2024 1536:ISBN 1491:PMID 1429:2024 1404:2024 1373:ISBN 1301:2015 1267:2014 1188:2008 1156:2012 1044:for 1042:Manx 993:poem 930:and 806:The 522:for 516:weed 503:weed 364:and 358:bees 315:and 3129:WFO 2985:NBN 2946:ISC 2868:FoC 2842:FNA 2691:doi 2475:doi 2386:doi 2280:PMC 2272:doi 2092:PMC 2045:doi 2041:176 1941:doi 1898:doi 1854:PMC 1844:doi 1805:doi 1785:". 1715:doi 1638:PMC 1628:doi 1475:doi 1338:doi 1051:.) 902:dye 755:In 694:DNA 353:). 3166:: 3144:: 3131:: 3108:: 3085:: 3072:: 3059:: 3046:: 3023:: 3000:: 2987:: 2974:: 2961:: 2948:: 2935:: 2922:: 2909:: 2896:: 2883:: 2870:: 2857:: 2844:: 2831:: 2818:: 2805:: 2762:: 2737:: 2699:. 2687:89 2685:. 2681:. 2618:. 2616:87 2587:. 2546:. 2503:. 2481:. 2471:23 2469:. 2408:. 2400:. 2392:. 2380:. 2345:. 2316:, 2310:, 2288:. 2278:. 2268:10 2266:. 2262:. 2210:. 2206:. 2149:. 2125:47 2123:. 2100:. 2088:41 2086:. 2082:. 2059:. 2051:. 2039:. 1995:. 1969:. 1947:. 1937:15 1935:. 1912:. 1904:. 1894:28 1892:. 1888:. 1862:. 1852:. 1838:. 1834:. 1811:. 1803:. 1793:65 1791:. 1749:^ 1711:54 1709:. 1705:. 1660:^ 1646:. 1636:. 1626:. 1616:11 1614:. 1610:. 1558:. 1511:. 1489:. 1481:. 1471:68 1469:. 1452:82 1450:. 1420:. 1395:. 1371:. 1367:. 1344:. 1332:. 1291:. 1250:. 1227:; 1219:; 1215:. 1208:. 1175:. 1164:^ 1147:, 1143:. 1137:. 1088:, 1082:, 999:: 897:. 836:, 658:, 654:, 650:, 646:, 642:, 638:, 528:UK 481:, 477:, 473:, 469:, 465:, 461:, 457:, 453:, 449:, 445:, 360:, 284:, 280:, 276:, 272:, 268:, 261:, 257:, 253:, 249:, 245:, 210:L. 117:: 104:: 91:: 78:: 2707:. 2693:: 2628:. 2573:. 2558:. 2539:. 2514:. 2489:. 2477:: 2416:. 2388:: 2382:1 2349:. 2296:. 2274:: 2247:. 2221:. 2160:. 2135:. 2108:. 2067:. 2047:: 2024:. 1980:. 1955:. 1943:: 1920:. 1900:: 1870:. 1846:: 1840:7 1819:. 1807:: 1799:: 1743:. 1721:. 1717:: 1687:. 1654:. 1630:: 1622:: 1595:. 1569:. 1544:. 1497:. 1477:: 1431:. 1406:. 1381:. 1352:. 1340:: 1334:3 1303:. 1289:" 1285:" 1269:. 1202:" 1190:. 1181:" 1158:. 1135:" 1131:" 871:( 582:( 560:( 489:; 27:.

Index

Josephine Kermode
list of plants known as ragwort

Scientific classification
Edit this classification
Plantae
Tracheophytes
Angiosperms
Eudicots
Asterids
Asterales
Asteraceae
Jacobaea
Binomial name
Gaertn.
Synonyms
L.
Asteraceae
Eurasia
St. James
tansy
invasive species
noxious weed
cattle
horses
nectar
pollinators
pinnately
leaves
flower

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