Arabis pycnocarpa M. Hopkins
Common Name: HAIRY ROCK CRESS
Synonym: Arabis hirsuta
Coefficient of Conservatism: 6
Coefficient of Wetness: 3
Wetness Index: FACU
Physiognomy: Nt B-Forb

Arabis hirsuta of Michigan Flora.

Grows in a diversity of habitats, including sandy banks and hillsides, moist shores (especially calcareous rocks and gravels), river banks, and especially rock outcrops and associated grassy areas.

Our plants are var. pycnocarpa.

Locations

Alger County
Alpena County
Barry County
Chippewa County
    Only on Drummond Island
Delta County
Dickinson County
Gogebic County
Gratiot County
Ingham County
Ionia County
Iosco County
Iron County
Kalamazoo County
Kent County
Keweenaw County
    Including Isle Royale
Leelanau County
    Including Fox Islands
Lenawee County
Livingston County
Mackinac County
    Including Bois Blanc, Mackinac, Round Islands
Marquette County
Midland County
Montcalm County
Oakland County
Ontonagon County
Presque Isle County
Schoolcraft County
St. Joseph County
Van Buren County
Washtenaw County
Wayne County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 11, 2017. http://michiganflora.net/species.aspx?id=604.