Hieracium umbellatum

Hieracium umbellatum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Hieracium
Species:	H. umbellatum
Binomial name
Hieracium umbellatum L.
Global country-level distribution
Synonyms [1]
Hieracium vulgatum Hieracium kalmiiL. Hieracium umbellatumL. Hieracium scabriusculumSchwein. Hieracium acranthophorumOmang Hieracium columbianumRydb. Hieracium devoldiiOmang Hieracium x dutillyanumLepage Hieracium eugeniiOmang Hieracium fasciculatumPursh Hieracium macrophyllumPursh Hieracium manitobenseGand. Hieracium musartutenseOmang Hieracium nepiocratumOmang Hieracium oxoacrumGand. Hieracium prenanthoidesHook., non Vill. Hieracium rigorosum(Laest.) Almq. Hieracium sinenseVaniot Hieracium stiptocauleOmang [2] Hieracium lactescensRouy [3] Hieracium dunale Hieracium hispidumForssk. Hieracium monticolaJord. Hieracium pervagumBoreau [4]

Hieracium umbellatum (commonly called Hieracium canadense), the Canadian hawkweed, Canada hawkweed, narrowleaf hawkweed, or northern hawkweed, is a flowering plant in the family Asteraceae.

Distribution

It is native to most of the temperate parts of the Northern Hemisphere. ^[5]

• 
  Range of Hieracium canadense throughout Asia
• 
  Range of Hieracium canadense throughout Europe
• 
  Range of Hieracium canadense throughout North America

Description

Its pointed leaves have toothed margins, where the teeth can appear almost hooked. The flowers of the plant are yellow.

• 
  Mature plant
• 
  Budding, flowering, and fruiting
• 
  Zygaena moth visiting the flower

Infraspecific synonyms

Male leafcutter bee on the flower

There are many named infraspecific taxa of Hieracium umbellatum:

• Hieracium canadenseMichx.forma lepageiVict.
• Hieracium canadenseMichx.forma pilosiusLepage
• Hieracium canadenseMichx.forma rufescensLepage
• Hieracium canadenseMichx.var. angustifoliumTorr. & A.Gray p.p.
• Hieracium canadenseMichx.var. columbianum(Rydb.) H. St.John
• Hieracium canadenseMichx.var. divaricatumLepage
• Hieracium canadenseMichx.var. fasciculatum(Pursh) Fernald
• Hieracium canadenseMichx.var. hirtirameumFernald
• Hieracium canadenseMichx.var. kalmii (L.) Scoggan
• Hieracium canadenseMichx.var. latifoliumTorr. & A.Gray
• Hieracium canadenseMichx.var. scabrumSchwein.
• Hieracium canadenseMichx.var. subintegrumLepage
• Hieracium kalmiiL.var. canadense(Michx.) Reveal
• Hieracium kalmiiL.var. fasciculatum(Pursh) Lepage
• Hieracium kalmiiL.var. subintegrum(Lepage) Lepage
• Hieracium scabriusculumSchwein.forma chrysostylumLepage
• Hieracium scabriusculumSchwein.forma phaeostylumLepage
• Hieracium scabriusculumSchwein.forma xanthostylumLepage
• Hieracium scabriusculumSchwein.var. columbianum(Rydb.) Lepage
• Hieracium scabriusculumSchwein.var. perhirsutumLepage
• Hieracium scabriusculumSchwein.var. saximontanumLepage
• Hieracium scabriusculumSchwein.var. scabrum(Schwein.) Lepage
• Hieracium subnudumL.var. canadense(Michx.)(Michx.) DC.
• Hieracium sylvaticum Salisb., nom. illeg. hom., non(L.) L.
• Hieracium umbellatumL.subsp. canadense(Michx.) Guppy
• Hieracium umbellatumL.subsp. scabriusculum (Schwein.)Á. & D. Löve
• Hieracium umbellatumL.var. canadense(Michx.) Breitung
• Hieracium umbellatumL.var. communeFr.
• Hieracium umbellatumL.var. coronopifoliumBernh. ex Kom.
• Hieracium umbellatumL.var. mongolicumFr.
• Hieracium umbellatumL.var. scabriusculum(Schwein.) Farw. ^[2]
• Hieracium laevigatum subsp. canadense(Michx.) Zahn
• Hieracium umbellatumL.var. canadense(Michx.) Breitung ^[6]
• Hieracium canadenseMichx.var. canadense
• Hieracium canadenseMichx.var. fasciculatum(Pursh) Fernald
• Hieracium scabriusculumSchwein.var. columbianum(Rydb.) Lepage ^[7]
• Hieracium umbellatum subsp. monticola(Jord.) Nyman ^[4]

References

1. International Plant Names Index. "International Plant Names Index Search" . Retrieved 2007-12-15.
2. Natural Resources Canada (2007-12-21). "Hieracium umbellatum L." Canada's Plant Hardiness Site. Government of Canada. Retrieved 2007-12-27.
3. Royal Botanic Garden Edinburgh. "Flora Europaea Hieracium umbellatum" . Retrieved 2007-12-15.
4. Botanic Garden and Botanical Museum Berlin-Dahlem (June 5, 2007). "Details for: Hieracium umbellatum". The Euro+Med Plantbase. Botanic Garden and Botanical Museum Berlin-Dahlem. Retrieved 2007-12-21.
5. "Hieracium umbellatum". Germplasm Resources Information Network . Agricultural Research Service, United States Department of Agriculture . Retrieved 2007-12-27.
6. Natural Resources Conservation Service (2007). "PLANTS Profile for Hieracium canadense Michx". The PLANTS Database. USDA, Baton Rouge, LA 70874-4490 USA. Retrieved 2007-12-18.
7. Wisconsin State Herbarium. "WI Vascular plants-Hieracium kalmii". Wisconsin Botanical Information System. Wisconsin State Herbarium. Retrieved 2007-12-21.

• University of Michigan - Dearborn. "Native American Ethnobotany Hieracium canadense" . Retrieved 2007-12-23.
• Ohio Department of Natural Resources, Division of Natural Areas and Preserves (December 1983). "HIERACIUM CANADENSE" . Retrieved 2007-12-27.
• Wisconsin State Herbarium. "WI Vascular plants-Hieracium kalmii". Wisconsin Botanical Information System. Wisconsin State Herbarium. Retrieved 2007-12-21.^{[ dead link ]}
• Stonehill College. "CANADA HAWKWEED (Hieracium canadense)". SMALL PLANTS. Retrieved 2007-12-27.^{[ dead link ]}
• Laurentian Environmental Center (2005). "Hawkweed canada (Hieracium canadense)". Plant Key, Summer plants. Laurentian Environmental Center, Britt, Minnesota. Archived from the original on October 22, 2006. Retrieved 2007-12-27.
• Andy Fyon. "Canada Hawkweed". Andy's Northern Ontario Wildflowers. Retrieved 2007-12-21.
• Lady Bird Johnson Wildflower Center, University of Texas at Austin. "Hieracium canadense Michx". Native Plant Database. Retrieved 2007-12-21.