Plantae > Tracheophyta > Magnoliopsida > Asterales > Asteraceae > Jacobaea > Jacobaea vulgaris

Jacobaea vulgaris (Ragwort)

Wikipedia Abstract

Jacobaea vulgaris, syn. Senecio jacobaea is a very common wild flower in the family Asteraceae that is native to northern Eurasia, usually in dry, open places, and has also been widely distributed as a weed elsewhere.Common names include ragwort, common ragwort, tansy ragwort, benweed, St. James-wort, ragweed, stinking nanny/ninny/willy, staggerwort, dog standard, cankerwort, stammerwort, mare's fart and cushag.
View Wikipedia Record: Jacobaea vulgaris


Invasive Species

Senecio jacobaea is a highly invasive, noxious weed which is known to invade pastoral land. It has detrimental impacts on livestock, due its highly toxic alkaloid content.
View ISSG Record: Jacobaea vulgaris


Height [1]  39 inches (1 m)
Width [1]  20 inches (0.5 m)
Light Preference [2]  Mostly Sunny
Soil Acidity [2]  Moderate Acid
Soil Fertility [2]  Mostly Infertile
Soil Moisture [2]  Mostly Dry
Flower Type [1]  Hermaphrodite
Hazards [1]  All parts of the plant are poisonous; The plant contains pyrrolizidine alkaloids, in isolation these substances are highly toxic to the liver and have a cumulative affect even when the whole plant is consumed;
Lifespan [1]  Perennial
Pollinators [1]  Bees, Flies, Lepidoptera, Bats
Structure [3]  Herb
Usage [1]  A good green dye is obtained from the leaves, though it is not very permanent; A yellow dye is obtained from the flowers when alum is used as a mordant; Brown and orange can also be obtained;
View Plants For A Future Record : Jacobaea vulgaris

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Astrakhanskiy Biosphere Reserve Zapovednik Ia 167827 Astrakhan, Russia
Beinn Eighe National Nature Reserve   Scotland, United Kingdom
Belovezhskaya Pushcha Biosphere Reserve National Park II 218515 Belarus
Bialowieza National Park II 11126 Poland
Braunton Burrows 3328 England, United Kingdom
Caenlochan 12860 Scotland, United Kingdom
Cairnsmore of Fleet, Silver Flowe, and Merrick Kells Biosphere Reserve 8794 Scotland, United Kingdom
Caithness and Sutherland Peatlands 354692 Scotland, United Kingdom
Cape Breton Highlands National Park II 234333 Nova Scotia, Canada  
Carmarthen Bay and Estuaries/ Bae Caerfyrddin ac Aberoedd 163340 Wales, United Kingdom
Carpathian Biosphere Reserve 144772 Ukraine  
Craven Limestone Complex 13166 England, United Kingdom
Cwm Doethie – Mynydd Mallaen 10186 Wales, United Kingdom
Dee Estuary/ Aber Dyfrdwy 39057 England/Wales, United Kingdom
Dornoch Firth and Morrich More 21499 Scotland, United Kingdom
Dorset Heaths 14161 England, United Kingdom
Dorset Heaths (Purbeck and Wareham) and Studland Dunes 5491 England, United Kingdom
Essex Estuaries 114016 England, United Kingdom
Fundy National Park II 52716 New Brunswick, Canada
Galichia Gora Zapovednik Ia 568 Lipetsk, Russia
Gros Morne National Park II 476632 Newfoundland, Canada
H.J. Andrews Biosphere Reserve 15815 Oregon, United States
Humber Estuary 90582 England, United Kingdom
Ilmensky Zapovednik Ia 84955 Chelyabinsk, Russia
Ingleborough Complex 14256 England, United Kingdom
Isle of Rum National Nature Reserve   Scotland, United Kingdom
Isles of Scilly Complex 66350 England, United Kingdom    
Kavkazskiy Biosphere Reserve Ia 692723 Krasnodar, Karachay-Cherkessia, Adygea, Russia
Kouchibouguac National Park II 59161 New Brunswick, Canada
Lake District High Fells 66717 England, United Kingdom
Lands End and Cape Bank 74557 England, United Kingdom  
Lewis Peatlands 69055 Scotland, United Kingdom  
Lizard Point 34565 England, United Kingdom    
Lyme Bay and Torbay 77215 England, United Kingdom
Margate and Long Sands 160406 England, United Kingdom
Merrick Kells 21494 Scotland, United Kingdom
Moray Firth 373987 Scotland, United Kingdom  
Morecambe Bay 151985 England, United Kingdom
North Harris 32450 Scotland, United Kingdom
North Norfolk Coast 7926 England, United Kingdom  
North Pennine Moors 254789 England, United Kingdom
North Somerset and Mendip Bats 1387 England, United Kingdom
North York Moors 108930 England, United Kingdom
Okskiy Biosphere Reserve 190748 Russia  
Pacific Rim National Park Reserve II 137900 British Columbia, Canada
Palava Protected Landscape Area V   Czech Republic  
Pen Llyn a`r Sarnau/ Lleyn Peninsula and the Sarnau 360832 Wales, United Kingdom
Prince Edward Island National Park II   Prince Edward Island, Canada  
Prioksko-Terrasny Biosphere Reserve IV 12219 Moscow, Russia
Reserve de la Biosphere des Vosges du Nord Biosphere Reserve 301469 France  
Sefton Coast 11278 England, United Kingdom
Severn Estuary/ Môr Hafren 182155 England/Wales, United Kingdom
South Uist Machair 8482 Scotland, United Kingdom
South Wight Maritime 49082 England, United Kingdom
Spreewald Biosphere Reserve 117355 Germany  
Start Point to Plymouth Sound & Eddystone 84204 England, United Kingdom  
Strathglass Complex 58277 Scotland, United Kingdom
Taynish National Nature Reserve   Scotland, United Kingdom
Tsentral'no-Chernozemny Biosphere Reserve Ia 13064 Kursk, Russia
Ukrainskii Stepnoi Zapovednik Nature Zapovednik Ia 2920 Ukraine  
Voronezhskiy Biosphere Reserve 95835 Russia  
Zhuvintas Zapovednik 18223 Lithuania  



Anania lancealis <Unverified Name>[4]
Aphis jacobaeae (Ragwort Aphid )[4]
Balanococcus conglobatus[5]
Berytinus montivagus[6]
Berytinus signoreti[6]
Callogaeana festiva[6]
Cheilosia bergenstammi[7]
Chromatomyia syngenesiae (chrysanthemum leafminer)[5]
Ensina sonchi[4]
Eriosoma patchiae[6]
Eristalis jugorum[4]
Eucosma campoliliana <Unverified Name>[4]
Haplothrips senecionis <Unverified Name>[6]
Homoeosoma anaspila[5]
Icterica westermanni <Unverified Name>[6]
Kalama tricornis <Unverified Name>[6]
Kalmusia clivensis[7]
Leptosphaeria derasa[7]
Leptosphaeria ogilviensis[7]
Liriomyza erucifolii[7]
Longitarsus dorsalis <Unverified Name>[6]
Longitarsus gracilis <Unverified Name>[6]
Longitarsus jacobaeae (Ragwort flea beetle)[5]
Longitarsus membranaceus <Unverified Name>[6]
Longitarsus ochroleucus <Unverified Name>[6]
Maniola jurtina (Meadow Brown Butterfly)[4]
Melanagromyza aeneoventris[7]
Melanagromyza dettmeri[7]
Melanagromyza eupatorii[7]
Melanagromyza senecionella[5]
Mythimna conigera <Unverified Name>[6]
Mythimna impura <Unverified Name>[6]
Oedemera virescens <Unverified Name>[6]
Ophiomyia senecionina[7]
Orthonama obstipata <Unverified Name>[6]
Patagoniodes farinaria[5]
Pegohylemyia jacobaeae <Unverified Name>[6]
Pegohylemyia seneciella <Unverified Name>[6]
Phytomyza alpina[7]
Phytomyza syngenesiae <Unverified Name>[6]
Phytoptus leioproctus <Unverified Name>[6]
Pilemostoma fastuosa[6]
Sphenella fascigera <Unverified Name>[5]
Sphenella marginata[4]
Stachybotrys dichroa[7]
Trupanea stellata[7]
Trypeta zoe[7]
Tyria jacobaeae (cinnabar moth)[5]
Udea uliginosalis <Unverified Name>[6]


Pollinated by 
Eristalis jugorum[4]
Maniola jurtina (Meadow Brown Butterfly)[4]


Parasitized by 
Alternaria dennisii[7]
Bremia lactucae[7]
Coleosporium tussilaginis[7]
Ensina sonchi[4]
Podosphaera fusca[7]
Puccinia glomerata[7]
Puccinia lagenophorae[7]
Sphenella marginata[4]

Institutions (Zoos, etc.)

Institution Infraspecies / Breed 
Kew Millennium Seed Bank Partnership




Attributes / relations provided by
1Plants For A Future licensed under a Creative Commons License
2ECOFACT 2a Technical Annex - Ellenberg’s indicator values for British Plants, M O Hill, J O Mountford, D B Roy & R G H Bunce (1999)
3Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
4Ecology of Commanster
5New Zealand Institute for Plant & Food Research Plant-SyNZ™ database
6Biological Records Centre Database of Insects and their Food Plants
7Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
Protected Areas provided by Biological Inventories of the World's Protected Areas in cooperation between the Information Center for the Environment at the University of California, Davis and numerous collaborators.
GBIF Global Biodiversity Information Facility
Images provided by Google Image Search
Abstract provided by DBpedia licensed under a Creative Commons License
Weather provided by NOAA METAR Data Access