Senecio  L. 
  Ragwort 
  Villakot 
  Squaw-weed 
  Groundsel 
 
 
Foodplants for 
Actinote guatemalena guatemalena ,
Afronyctemera itokina ,
Agonopterix intersecta ,
Amerila leucoptera ,
A. leucoptera ,
Artimelia latreillii ,
Bucculatrix seneciensis ,
Chiromachla restrictum ,
Chloroclystis v-ata ,
Cochylis dubitana ,
Dysauxes ancilla ,
Galtara doriae doriae ,
Heliothis peltigera ,
Ichneutica skelloni ,
Lacanobia oleracea ,
L. w-latinum ,
Mormo maura ,
Nyctemera adversata ,
N. annulatum ,
N. lacticinia ,
Orthonama obstipata ,
Papaipema insulidens ?,
Perinephela lancealis ,
Phycitodes subcretacella ,
Platyptilia iberica ?,
P. isodactylus ,
Podomachla apicalis ,
Polymixis flavicincta ,
Rhodogastria amasis ,
Saenura flava ,
Spilosoma urticae ,
Synchlora frondaria avidaria ,
Thetidia smaragdaria ,
Udea elutalis ,
Vanessa virginiensis ,
Xanthorhoe decoloraria 
 
  
500x773 (~101Kb) USA: Puyallup (47°11'23N 122°17'02W), Pierce Co., WA, 16.7.1999, Photo © Markku Savela
 
  
600x491 (~50Kb) USA: Puyallup (47°11'23N 122°17'02W), Pierce Co., WA, 16.7.1999, Photo © Markku Savela
 
  
600x951 (~100Kb) USA: FR 9712 at Diamond Head, near Blewett Pass (47°18'39N 120°33'57W), Kittitas Co., WA, 5.7.2000, Photo © Markku Savela
 
  
700x1035 (~70Kb) USA: FR 9712 at Diamond Head, near Blewett Pass (47°18'39N 120°33'57W), Kittitas Co., WA, 5.7.2000, Photo © Markku Savela
 
  
1202x1802 (~150Kb)  USA: Washington, Kittitas Co., Tucquala Lake, 24.7.2011, Photo © Markku Savela
 
 
 
The exact identification of these species is still unknown,
but tentatively assumed to belong into this group. 
Apparently some of this taxa should be moved into Packera  .
Senecio mikanioides  Otto ex Walpers 
  Murattimikania 
  German Ivy 
 
 
 
Senecio nemorensis  L. 
  Alpine Ragwort 
  Lehtovillakko 
 
 
Foodplant for 
Eupithecia virgaureata ,
Hellinsia osteodactylus ,
Platyptilia calodactyla ,
P. isodactylus ,
P. nemoralis 
 
Senecio fluviatilis  Wallr. 
  Jokivillakko 
 
Senecio fluviatilis ; [RK] , 433
 
  
  
900x1304 (~145Kb)  Russia, Udmurtia, river banks of Kama, near village Doksha east of Izhevsk, 20.8.2004, Photo © Markku Savela
 
  
900x1323 (~171Kb)  Russia, Udmurtia, river banks of Kama, near village Doksha east of Izhevsk, 20.8.2004, Photo © Markku Savela
 
 
Foodplant for 
Platyptilia nemoralis 
 
Senecio integrifolius  (L.) Clairv. 
  Ehytlehtivillakko 
 
Senecio adamantinus var. integrifolius ;  [CoL ]   ;  [POWO ]   
Senecio laevigatus var. integrifolius ;  [CoL ]   
 
  
 
Senecio congestus  (R. Br.) DC. 
  Clustered Marsh Ragwort 
  'Kosteikkovillakko' 
 
Senecio arcticus  Rupr.
congestus var.  tonsus  (Fern.)
Senecio congestus ssp.  tonsus  (Fern.) A. & D. Löve
Senecio congestus var.  palustris  (L.) Fern.
Senecio palustris  (L.) Hook.
 
 
 
 
  
763x500 (~127Kb) The bank of a large brackish (calcium and magnium carbonates) Lake Zun-Torei, residing in Dahurian (S Transbaikalian) short-grass steppes. The lake flutcuate down to almost dissapearing with a cycle about 30 years, now it's on the maximum. The bank is grown up with Senecio congestus  (R.Br.) DC. (= Senecio arcticus  Rupr.), and the reed (Phragmitis australis  (Gav.) Trin ex Steudel.) The lake SW corner at the cordone Bulum-Khuduk, Onon district, Chita Region, S Transbaikalia (Dahuria), Siberia, Russia. 7th July 1996, Photo © Oleg Kosterin 
 
 
 
Senecio jacobaea  L. 
  Stinking Willie 
  Jaakon peltovilla 
  Jaakonvillakko 
  Common Ragwort 
  Tansy Ragwort 
 
 
  
757x1026 (~197Kb) Germany, Rügen, Dranske Hof, 24.7.2005, Photo © Harri Arkkio 
 
  
811x1020 (~136Kb) Germany, Rügen, Dranske Hof, 24.7.2005, Photo © Harri Arkkio 
 
  
802x1026 (~117Kb) Germany, Rügen, Hiddensee, Dornbusch, Bakenberg, 28.7.2005, Photo © Harri Arkkio 
 
 
Foodplant for 
Cochylis atricapitana ,
Eucosma campoliliana ,
Eupithecia absinthiata ,
E. tripunctaria ,
E. virgaureata ,
E. vulgata ,
Hypoxystis mandli ,
Thalera fimbrialis 
Foodplant as Senecio Jacobaea  for 
Cochylis atricapitana ,
Eucosma campoliliana ,
Eupithecia absinthiata ,
E. tripunctaria ,
E. virgaureata ,
E. vulgata ,
Hypoxystis mandli ,
Thalera fimbrialis 
 
Senecio aquaticus  Hill 
  Marsh Ragwort 
  Vattenstånds 
  Eastern Marsh Ragwort 
  Ojavillakko 
 
Senecio aquaticus ; [RK] , 434
 
  
Foodplant for 
Platyptilia isodactylus 
 
Senecio erucifolius  L. 
  Hoary Ragwort 
  'Liuskavillakko' 
 
 
Foodplant for 
Thalera fimbrialis 
 
Senecio squalidus  L. 
  Oxford Ragwort 
  Rikkavillakko 
 
Senecio nebrodensis  auct.
Senecio rupestris  Waldst. & Kit. (incl.)
 
 
 
Senecio argophylloides var. rupestris ;  [CoL ]   ;  [POWO ]   
Senecio rupestris ;  [CoL ]   ;  [iNaturalist ]   ;  [POWO ]   
Senecio squalidus araneosus ;  [iNaturalist ]   
Senecio squalidus aurasiacus ;  [iNaturalist ]   
Senecio squalidus calabricus ;  [iNaturalist ]   
Senecio squalidus chrysanthemifolius ;  [iNaturalist ]   
Senecio squalidus sardous ;  [iNaturalist ]   
Senecio squalidus squalidus ;  [iNaturalist ]   
Senecio squalidus subsp. aethnensis ;  [CoL ]   
Senecio squalidus subsp. araneosus ;  [CoL ]   
Senecio squalidus subsp. aurasiacus ;  [CoL ]   
Senecio squalidus subsp. calabricus ;  [CoL ]   
Senecio squalidus subsp. chrysanthemifolius ;  [CoL ]   
Senecio squalidus subsp. microglossus ;  [CoL ]   
Senecio squalidus subsp. sardous ;  [CoL ]   
Senecio squalidus subsp. squalidus ;  [CoL ]   
Senecio squalidus var. bipinnatifidus ;  [CoL ]   
Senecio squalidus var. laciniatus ;  [CoL ]   
Senecio squalidus var. pinnatifidus ;  [CoL ]   
Senecio squalidus ; [RK] , 434;  [CoL ]   ;  [iNaturalist ]   ;  [POWO ]   
 
  
 
Senecio vernalis  Waldst. & Kit. 
  Eastern Groundsel 
  Spring Groundsel 
  Vårkorsört 
  Kevätvillakko 
 
 
Foodplant for 
Platyptilia farfarellus 
 
Senecio sylvaticus  L. 
  Kalliovillakko 
  Metsän peltovilla 
  Heath Groundsel 
  Woodland Ragwort 
  Bergkorsört 
  Woodland Groundsel 
 
 
Foodplant for 
Platyptilia calodactyla 
 
Senecio lividus  L. 
  'Sinivillakko' 
 
 
 
Senecio viscosus  L. 
  Klibbkorsört 
  Tahmavillakko 
  Sticky Groundsel 
  Sticky Ragwort 
  Tahmea peltovilla 
 
 
  
351x500 (~28Kb) FINLAND: N: Espoo, Tapiola, 667:37, 11.8.1996, Photo © Markku Savela
 
 
Foodplant for 
Platyptilia farfarellus 
 
Senecio vulgaris  L. 
  Peltovillakko 
  Common Groundsel 
  Old-man-in-the-spring 
  Yleinen peltovilla 
  Korsört 
  Groundsel 
 
 
  
1032x843 (~137Kb) Finland: Korppoo, Järm, 20.10.2006, Photo © Harri Arkkio 
 
  
812x950 (~131Kb) Finland: Korppoo, Järm, 20.10.2006, Photo © Harri Arkkio 
 
 
Foodplant for 
Eupithecia absinthiata ,
E. virgaureata ,
Orthonama obstipata ,
Papaipema insulidens ,
Scopula nigropunctata ,
Udea accolalis ,
Xanthorhoe ferrugata ,
X. montanata ,
X. quadrifasiata 
 
Senecio bicolor  (Willd.) Todaro 
  Silver ragwort 
 
 
  
783x1044 (~178Kb) Greece: Lefkas, Girapetra, 12.6.2006, Photo © Harri Arkkio 
 
  
1028x885 (~126Kb) Greece: Lefkas, Girapetra, 12.6.2006, Photo © Harri Arkkio 
 
  
783x1044 (~137Kb) Greece: Lefkas, Girapetra, 12.6.2006, Photo © Harri Arkkio 
 
  
783x1044 (~160Kb) Greece: Lefkas, Girapetra, 12.6.2006, Photo © Harri Arkkio 
 
 
 
Foodplant for 
Hellinsia osteodactylus 
 ssp.   cineraria  (DC.) Chater 
 
  
 
  
1370x1028 (~196Kb) Finland, Ylöjärvi, Siivikkala, 18.7.2005 (cultivated), Photo © Harri Arkkio 
 
  
734x979 (~196Kb) Finland, Ylöjärvi, Siivikkala, 18.7.2005 (cultivated), Photo © Harri Arkkio 
 
 
 
Senecio eremophilus  Richardson 
  'Lännenvillakko' 
  Desert Ragwort 
 
 
 
Senecio cannabifolius  Less. 
  Aleutian Ragwort 
 
 
  
400x641 (~91Kb) The Budyumkan River left floodland 5 km upstream of its confluence with the Argun' River, 6 km S of the village Uryupino, Gazimurskozavodskoi District, E Chita Province, E Transbaikalia, Siberia, Russia. 26th July 1997, Photo © Oleg Kosterin 
 
  
472x700 (~80Kb) the Vilyucha River middle flow, South Kamchatka, Russia. 31st August 1992, Photo © Oleg Kosterin 
 
 
 
Senecio flammeus  Turcz. ex DC. 
Tephroseris flammea  (Turcz. ex DC.) Holub
 
 
 
  
400x642 (~78Kb) A meadow on a high left bank terrace of the Argun' River 5 km S of the village Uryupino, Gazimurskozavodskoi District, E Chita Province, E Transbaikalia, Siberia, Russia. 31th July 1997, Photo © Oleg Kosterin 
 
  
400x615 (~55Kb) A meadow on a high left bank terrace of the Argun' River 5 km S of the village Uryupino, Gazimurskozavodskoi District, E Chita Province, E Transbaikalia, Siberia, Russia. 31th July 1997, Photo © Oleg Kosterin 
 
 
 
Senecio pricei  Simps. 
Tephroseris pricei  (Simps.) Holub.
 
 
 
  
518x760 (~70Kb) A large-stoned scree on a sharp crest dividing the headwater cirques of the the Chikty Rivulet and a next eastward rivulet, 2800 m above sea level, the southern principal slope of the Yuzhno-Chuiskii mountain range, the upper Dzhazator River basin, Kosh-Agach District, Altai Republic, West Siberia, Russia. 10th July 1998, Photo © Oleg Kosterin 
 
  
542x796 (~82Kb) A large-stoned scree on a sharp crest dividing the headwater cirques of the the Chikty Rivulet and a next eastward rivulet, 2800 m above sea level, the southern principal slope of the Yuzhno-Chuiskii mountain range, the upper Dzhazator River basin, Kosh-Agach District, Altai Republic, West Siberia, Russia. 10th July 1998, Photo © Oleg Kosterin 
 
 
 
Senecio resedifolius  Less. 
Packera heterophylla  (Fisch.) Weibe
Packera resedifolia  (Less.) A. & D. Love
 
 
 
  
466x718 (~106Kb) An alpine meadow in the valley of the left headwater of the Chikty Rivulet, 2400 m above sea level, the southern principal slope of the Yuzhno-Chuiskii mountain range, the upper Dzhazator River basin, Kosh-Agach District, Altai Republic, West Siberia, Russia. 10th July 1998, Photo © Oleg Kosterin 
 
 
 
Senecio turczaninovii  DC. 
 
  
522x712 (~96Kb) An alpine meadow in the valley of the left headwater of the Chikty Rivulet, 2400 m above sea level, the southern principal slope of the Yuzhno-Chuiskii mountain range, the upper Dzhazator River basin, Kosh-Agach District, Altai Republic, West Siberia, Russia. 10th July 1998, Photo © Oleg Kosterin 
 
  
522x792 (~158Kb) An alpine meadow in the valley of the left headwater of the Chikty Rivulet, 2400 m above sea level, the southern principal slope of the Yuzhno-Chuiskii mountain range, the upper Dzhazator River basin, Kosh-Agach District, Altai Republic, West Siberia, Russia. 10th July 1998, Photo © Oleg Kosterin 
 
 
 
Senecio glabellus  Poir. 
  Cress-leaf Ragwort 
  Butter-weed 
 
 
 
Senecio pauciflorus  Pursh 
Senecio discoideus  (Hook) Britton
Packera pauciflora  (Pursh) A. & D. Löve
 
 
Packera pauciflora ;  [BONAP ];  [CoL ]   ;  [iNaturalist ]   ;  [POWO ]   
Senecio anconquijae f. discoideus ;  [CoL ]   ;  [POWO ]   
Senecio chilensis f. discoideus ;  [CoL ]   
Senecio chrysanthemum var. discoideus ;  [CoL ]   ;  [POWO ]   
Senecio discoideus ; [GMBOT] , 854 
Senecio diversipinnus var. discoideus ;  [CoL ]   ;  [POWO ]   
Senecio matatini discoideus ;  [iNaturalist ]   
Senecio matatini subsp. discoideus ;  [CoL ]   ;  [POWO ]   
Senecio pauciflorus ;  [CoL ]   
 
  
 
Senecio obovatus  Muhl. ex Willd. 
  Round-leaf Ragwort 
 
Senecio aureus var.  obovatus  (Muhl.) T. & G.
 
 
 
 
Foodplant for 
Calephelis borealis 
 
 var.   elongatus  (Pursh) Britton 
 
  
 
Senecio aureus  L. 
  Golden Ragwort 
 
Packera aurea  (L.) A. & D. Löve
 
 
 
 
Foodplant for 
Agonopterix senicionella 
 var.   gracilis  (Pursh) Britton 
 
  
 
Senecio schweinitzianus  Nutt. 
  Schweinitz's Ragwort 
 
Senecio robbinsii  Oakes ex Rusby
 
 
 
Senecio Robbinsii ; [GMBOT] , 854 
Senecio schweinitzianus ;  [BONAP ]
Senecio schweinitzianus  Nutt.;  
 
  
 
Senecio balsamitae  Muhl. ex Willd. 
Senecio aureus var.  balsamitae  (Muhl.) T. & G.
Packera paupercula  (Michx.) A. & D. Löve
 
 
 
Should probably be presented as Packera paupercula .
 var.   pauperculus  (Michx.) Fernald 
 
 
 
 var.   crawfordii  (Britton) Greenman 
Senecio Crawfordii  Britton
 
 
 
  
 
 
Senecio plattensis  Nutt. 
Senecio pseudotomentosus  Mackenzie & Bush
Packera plattensis  (Nutt.) Weber &  A. Löve
 
 
 
 
Senecio tomentosus  Michx. 
  Woolly Ragwort 
 
 
 
Senecio antennariifolius  Britton 
 
 
 
Senecio integerrimus  Nutt. 
  Lamb-tongue Ragwort 
 
 
 
Senecio pseudoarnica  Less. 
  Seaside Ragwort 
 
 
  
 
 
24.6.2023 (35)
References: 
[BONAP]  
A Synonymized Checklist of the Vascular Flora of the United States, Puerto Rico, and the Virgin Islands; A data base interface;  BONAP U.S. Checklist - 1998 ; Provided by TAMU-BWG;  Texas A & M Bioinformatics Working Group ; Based on;  Biota of North America Program 
 [CoL] Catalogue of Life 
Bánki, O., Roskov, Y., Döring, M., Ower, G., Hernández Robles, D. R., Plata Corredor, C. A., Stjernegaard Jeppesen, T., Örn, A., Vandepitte, L., Hobern, D., Schalk, P., DeWalt, R. E., Ma, K., Miller, J., Orrell, T., Aalbu, R., Abbott, J., Adlard, R., Aedo, C., et al. (2024). Catalogue of Life Checklist (Version 2024-03-26);  https://doi.org/10.48580/dfz8d 
 [Harri Arkkio]  
Finland; For the time being these pictures are only for this site. Other usage not allowed. 
 [Oleg Kosterin] Institue of Cytology & Genetics 
Siberian Division of Russian Academy of Sciences; Novosibirsk; e-mail:  Oleg Kosterin ;  http://pisum.bionet.nsc.ru/kosterin/ 
 [POWO]  
 Plants of the Wolrd Online ;  World Checklist of Vascular Plants. Facilitated by the Royal Botanic Gardens, Kew 
 [RUNEBERG] Project Runeberg: Nordic literature online 
 Project Runeberg ;  Bilder ur Nordens Fauna (Carl Axel Magnus Lindman) 
 [iNaturalist]  
 iNaturalist 
   
 
Some related literature: 
[RK]; Hämet-Ahti, Suominen, Ulvinen  & Uotila, 1998 
Retkeilykasvio (Field Flora of Finland) (Edn 4)
Retkeylykasvio 
: 1-656
 [SK]; Mela & Cajander, 1906 
A. J. Melan Suomen Kasvio (5. painos)
Suomen Kasvio 
: 1-763
 [GMBOT]; Robinson & Fernald, 1908 
A Handbook of the Flowering Plants and Ferns of the Central and Northeastern United States and adjacent Canada
Gray's Manual Botany  (7th Ed.)
: 10 -926
 [GNSP]; Wielgorskaya, 1995 
Dictionary of generic names of seed plants
Dict. gen. names seed. pl. 
   
 
If you have corrections, comments or
 information to add into these pages, just send mail to
Markku Savela  
Keep in mind that the taxonomic information is copied from various sources,  and may include many inaccuracies. Expert help is welcome.