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Petasites Miller

Ruttojuuret Sweet Coltsfoot Coltsfoot Butterbur
Petasites, Biota of North America Program (query database) [BONAP]
Petasites, Den Virtuella Floran [DVF]
Petasites (Asteraceae) ; [GNSP]

Foodplants for Hydraecia petasitis, Platyptilia gonodactyla, Tyria jacobaeae

Petasites hybridus (L.) P. Gaertner, B. Meyer & Scherb.

Etelänruttojuuri Ukon ruttojuuri Butterbur Pestrot Pestskråp
Petasites officinalis Moench
Petasites officinalis ; [SK, 561]
Petasites hybridus ; [RK, 431]

900x617 (~125Kb) Finland, Helsinki, Lauttasaari 10.5.2001 (cultivated?), Photo © Markku Savela	500x686 (~82Kb) Finland, Helsinki, Lauttasaari 10.5.2001 (cultivated?), Photo © Markku Savela	783x1044 (~130Kb) Finland, Nokia keskusta, 8.5.2005, Photo © Harri Arkkio
734x979 (~166Kb) Finland, Nokia keskusta, 8.5.2005, Photo © Harri Arkkio

Foodplant for Buszkoiana capnodactylus

Petasites spurius (Retz.) Reichenb.

Rantaruttojuuri Spjutskråp
Petasites spurius ; [RK, 432]

734x979 (~201Kb) Estonia: Saaremaa, Torgu, Mäebe, 29.6.2006, Photo © Harri Arkkio

979x734 (~186Kb) Estonia: Saaremaa, Torgu, Mäebe, 29.6.2006, Photo © Harri Arkkio

Petasites frigidus (L.) Fries

Pohjanruttojuuri Ukon ruttojuuri Fjällskråp Sweet Coltsfoot Alpine Butterbur Arctic Butterbur
Petasites frigidus, Aquatic and Wetland Vascular Plants of the Northern Great Plains [USGS]
Petasites frigidus, Bilder ur Nordens Flora (in Swedish) [RUNEBERG]
Petasites frigidus ; [SK, 561]; [RK, 432]; [FPN, 541]

Foodplant for Scrobipalpopsis petasitis

P. f. var. nivalis (Greene) Cronq.

Petasites frigidus var. nivalis ; [FPN, 541]

P. f. var. palmatus (Ait.) Cronq.

Petasites palmatus (Ait.); Gray
Petasites frigidus var. palmatus ; [FPN, 541]
Petasites palmatus ; [GMBOT, 850]

800x1209 (~137Kb) USA: nr. Pigeon Springs Rd (~ 46°38N 122°38W), Lewis Co., WA, 23.3.2005, Photo © Markku Savela

900x1225 (~134Kb) USA: nr. Pigeon Springs Rd (~ 46°38N 122°38W), Lewis Co., WA, 23.3.2005, Photo © Markku Savela

900x1350 (~258Kb) USA: on side of Centralia-Alpha Rd (~ 46°37N 122°45W), Lewis Co., WA, 23.3.2005, Photo © Markku Savela

Foodplant for Papilio machaon brucei

Petasites japonicus (Siebold & Zucc.) Maxim.

Giant Butterbur
Petatises japonicus (Siebold & Zucc.); Maxim.

P. j. giganteus (Kitamura)

Japaninruttojuuri Bitterskråp
Petatises japonicus giganteus Kitamura
Petatises japonicus giganteus ; [RK, 432]

Petasites laevigatus (Willd.) Rehb.

Kuolan ruttojuuri
Nardosmia laevigata (Willd.); DC.
Patasites radiatus
Nardosmia laevigata ; DC., [Oleg Kosterin]
Petasites laevigatus ; [SK, 562]

800x533 (~75Kb) The Bol'shoi Tesh River 1.5 km upstream of its confluence with the Malyi Tesh, the village Kuzedeevo environs, Novokuznetsk District, Kemerovo Province, West Siberia, Russia. 26th May 1995, Photo © Oleg Kosterin

10.7.2005 (8)

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

[DVF]

Den Virtuella floran; http://linnaeus.nrm.se/flora/welcome.html; Ett projekt vid Naturhistoriska riksmuseet (Stockholm, Sweden).; Even for non-Swedish speaker, the distribution maps on species are nice (map buttons "Norden" and "Norra halvklotet")

[FPN]

Hitchcock & Cronquist, 1998; Flora of the Pacific Northwest (11th ed.); ISBN 0-295-95273-3

[GMBOT]

Robinson, Benjamin L., Fernald, Merrit Lyndon, 1908; Gray's New Manual of Botany (7th edition); A Handbook of the Flowering Plants and Ferns of the Central and Northeastern United States and adjacent Canada; American Book Company

[GNSP]

Wielgorskaya, 1995; Dictionary of generic names of seed plants

[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/

[RK]

Hämet-Ahti, L., Suominen, J., Ulvinen, T. & Uotila, P. (eds), 1998; Retkeilykasvio (Field Flora of Finland); Ed. 4. 656 pp.; Finnish Museum of Natural History, Botanical Museum. Helsinki

[RUNEBERG]

Project Runeberg: Nordic literature online; Project Runeberg; Bilder ur Nordens Fauna (Carl Axel Magnus Lindman)

[SK]

Mela, A. J., Cajander, A. K., 1906; Suomen Kasvio; Viides painos

[USGS]

Northern Prairie Wildlife Research Center; http://www.npwrc.usgs.gov/index.htm

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.