Robert W. Freckmann Herbarium


  Hieracium kalmii L. image
Photographer: Steve C. Garske           

Emmet J. Judziewicz

Emmet J. Judziewicz

Emmet J. Judziewicz

Merel R. Black

Merel R. Black
Family Asteraceae
Hieracium kalmii L.
Canada hawkweed, Kalm's hawkweed
Hieracium: classical name hierakion from ancient Greek hierax, "a hawk". The Roman naturalist Pliny believed that hawks fed on this plant to strengthen their eyesight and thus it became the Greek and Latin name for this and similar plants, called hawkweed.
kalmii: for Pehr Kalm (1715-1779)
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, perennial, 1/2'-5' tall forb with milky juice; stems leafy, lower part usually with long hairs, upper only softly fuzzy; roots not forming mats
Flower: head 5/8"- 1" wide with yellow rays; inflorescence of several, long-stalked heads in loose, branched clusters; blooms July-Oct.
Leaf:alternate, lower ones deciduous, remaining ones mostly about the same size with a few sharp, irregularly spaced teeth or lobes, rounded bases sometimes slightly clasping the stem, usually with long hairs beneath but the edges never rough
Habitat: dry; woods, forests, prairies, cliffs; in sandy soil
Notes: very similar to H. umbellatum except for the leaf edges
(Glossary)

More Information Natural Communities Herbarium Specimens
All Hieracium list Ethnobotany Information Google- Images or Text

Flora of North America (off site)
Synonyms 
Hieracium canadense Michx.
Hieracium canadense Michx. var. canadense
Hieracium canadense Michx. var. fasciculatum (Pursh) Fernald
Hieracium columbianum Rydb.
Hieracium kalmii L. var. fasciculatum (Pursh) Lepage
Hieracium kalmii L. var. kalmii
Hieracium kalmii L. var. subintegrum (Lepage) Lepage
Hieracium scabriusculum Schwein. var. columbianum (Rydb.) Lepage
Hieracium umbellatum L. var. canadense (Michx.) Breitung
Hieracium umbellatum L. var. scabriusculum Farw.

         
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