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

Quick Facts Scientific classification, Binomial name ...
Hieracium umbellatum
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Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Hieracium
Species:
H. umbellatum
Binomial name
Hieracium umbellatum
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Global country-level distribution
Synonyms[1]
  • Hieracium vulgatum
  • Hieracium kalmii L.
  • Hieracium umbellatum L.
  • Hieracium scabriusculum Schwein.
  • Hieracium acranthophorum Omang
  • Hieracium columbianum Rydb.
  • Hieracium devoldii Omang
  • Hieracium x dutillyanum Lepage
  • Hieracium eugenii Omang
  • Hieracium fasciculatum Pursh
  • Hieracium macrophyllum Pursh
  • Hieracium manitobense Gand.
  • Hieracium musartutense Omang
  • Hieracium nepiocratum Omang
  • Hieracium oxoacrum Gand.
  • Hieracium prenanthoides Hook., non Vill.
  • Hieracium rigorosum (Laest.) Almq.
  • Hieracium sinense Vaniot
  • Hieracium stiptocaule Omang[2]
  • Hieracium lactescens Rouy[3]
  • Hieracium dunale
  • Hieracium hispidum Forssk.
  • Hieracium monticola Jord.
  • Hieracium pervagum Boreau[4]
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Distribution

It is native to most of the temperate parts of the northern hemisphere.[5]

Description

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

Infraspecific synonyms

Summarize
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Male leafcutter bee on the flower

There are many named infraspecific taxa of Hieracium umbellatum:

  • Hieracium canadense Michx. forma lepagei Vict.
  • Hieracium canadense Michx. forma pilosius Lepage
  • Hieracium canadense Michx. forma rufescens Lepage
  • Hieracium canadense Michx. var. angustifolium Torr. & A.Gray p.p.
  • Hieracium canadense Michx. var. columbianum (Rydb.) H. St.John
  • Hieracium canadense Michx. var. divaricatum Lepage
  • Hieracium canadense Michx. var. fasciculatum (Pursh) Fernald
  • Hieracium canadense Michx. var. hirtirameum Fernald
  • Hieracium canadense Michx. var. kalmii (L.) Scoggan
  • Hieracium canadense Michx. var. latifolium Torr. & A.Gray
  • Hieracium canadense Michx. var. scabrum Schwein.
  • Hieracium canadense Michx. var. subintegrum Lepage
  • Hieracium kalmii L. var. canadense (Michx.) Reveal
  • Hieracium kalmii L. var. fasciculatum (Pursh) Lepage
  • Hieracium kalmii L. var. subintegrum (Lepage) Lepage
  • Hieracium scabriusculum Schwein. forma chrysostylum Lepage
  • Hieracium scabriusculum Schwein. forma phaeostylum Lepage
  • Hieracium scabriusculum Schwein. forma xanthostylum Lepage
  • Hieracium scabriusculum Schwein. var. columbianum (Rydb.) Lepage
  • Hieracium scabriusculum Schwein. var. perhirsutum Lepage
  • Hieracium scabriusculum Schwein. var. saximontanum Lepage
  • Hieracium scabriusculum Schwein. var. scabrum (Schwein.) Lepage
  • Hieracium subnudum L. var. canadense (Michx.)(Michx.) DC.
  • Hieracium sylvaticum Salisb., nom. illeg. hom., non (L.) L.
  • Hieracium umbellatum L. subsp. canadense (Michx.) Guppy
  • Hieracium umbellatum L. subsp. scabriusculum (Schwein.) Á. & D. Löve
  • Hieracium umbellatum L. var. canadense (Michx.) Breitung
  • Hieracium umbellatum L. var. commune Fr.
  • Hieracium umbellatum L. var. coronopifolium Bernh. ex Kom.
  • Hieracium umbellatum L. var. mongolicum Fr.
  • Hieracium umbellatum L. var. scabriusculum (Schwein.) Farw.[2]
  • Hieracium laevigatum subsp. canadense (Michx.) Zahn
  • Hieracium umbellatum L. var. canadense (Michx.) Breitung[6]
  • Hieracium canadense Michx. var. canadense
  • Hieracium canadense Michx. var. fasciculatum (Pursh) Fernald
  • Hieracium scabriusculum Schwein. var. columbianum (Rydb.) Lepage[7]
  • Hieracium umbellatum subsp. monticola (Jord.) Nyman[4]

References

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