Hieracium umbellatum L.
  • Sp. Pl.

This taxon is accepted by Compositae
Notes: More details could be found in The Plant List v.1.1. Originally in The Plant List v.1.0

General Information

"Similar to no. 12 [Hieracium kalmii L.] and passing into it; lvs mostly 4–12 times as long as wide, scarcely or not at all clasping, often narrowed to the base, ± copiously provided, at least marginally, with short, stiff, blunt, subconic hairs, as well as generally ± stellate; peduncles commonly also with short, stout, subconic hairs scarcely if at all surpassing the stellate puberulence; 2n=18, 27. Thickets, open woods, and beaches; circumboreal, in Amer. s. to P.E.I., N.B., Mich., Minn., Colo., and Oreg.; disjunct to Spruce Knob, W.Va. July– Sept. (H. scabriusculum; Amer. plants possibly to be recognized as a distinct var., but the nomenclature recondite)"

  • Provided by: [B].New York Botanical Garden
    • Source: [
    • 1
    • ]. 



    • 1 "Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp."
    • 2 Sp. Pl.

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    World Flora Online Data. 2018.
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