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Hieracium scabrum Michx.

Common Name: ROUGH HAWKWEED
Coefficient of Conservatism: 3
Coefficient of Wetness: 5
Wetness Index: UPL
Physiognomy: Nt P-Forb

In similar habitats to those of Hieracium gronovii and sometimes growing with it where their ranges overlap,though perhaps somewhat more often in dry sandy or rocky forests with oak, sassafras, aspen, pines, etc. Jack pine plains, clearings, oak savanna, mixed conifer-hardwoods, sand dunes; in old fields, but rarely moist sites.

An intermediate plant from dry sandy soil in Schoolcraft Co. (D. Henson 1269 in 1981, MICH) is apparently H. scabrum × H. venosum; a very few other odd specimens could conceivably also be hybrids.

S. Farrington

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Counties
Alger
Allegan
Alpena
Arenac
Baraga
Barry
Bay
Benzie
Berrien
Branch
Calhoun
Cass
Charlevoix
Cheboygan
Cheboygan or Emmet
Chippewa
Clare
Clinton
Crawford
Dickinson
Emmet
Genesee
Gogebic
Grand Traverse
Gratiot
Houghton
Huron
Ingham
Iron
Jackson
Kalamazoo
Kalkaska
Kent
Keweenaw
Lake
Leelanau
Lenawee
Livingston
Luce
Macomb
Manistee
Marquette
Mason
Mecosta
Menominee
Midland
Missaukee
Monroe
Montcalm
Muskegon
Newaygo
Oakland
Ontonagon
Oscoda
Otsego
Ottawa
Presque Isle
Schoolcraft
St. Clair
St. Joseph
Tuscola
Unknown
Van Buren
Washtenaw
Wayne

Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. March, 17, 2025
https://lsa-miflora-p.lsait.lsa.umich.edu/#/record/375