Resource Database


Resource Number: 40474
Title: Hawkweeds (Pilosella spp.): History and Ecology in North America
Publisher: North American Invasive Species Management Association
Resource Type: Fact sheet
Last Updated: December 19, 2024
Contributors:
Jeffrey Littlefield
Rosemarie De Clerck-Floate
Ghislaine Cortat
Chandra Moffat
Domain(s)/Area(S):
  • Natural Resources
Locations:
Canada
Mexico
United States
Subject
orange hawkweed  (Pilosella aurantiaca)
hawkweed gall wasp  (Aulacidea subterminalis)
whiplash hawkweed  (Hieracium flagellare)
yellow hawkweed  (Pilosella caespitosa)
mouse-eared hawkweed  (Pilosella officinarum)
hawkweeds  (Pilosella)
 (Pilosella glomerata)
blacklet  (Cheilosia urbana)
whiplash hawkweed  (Pilosella flagellaris)
yellow-flowered hawkweeds  (Pilosella yellow-flowered hawkweeds)

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