Draba cana Rydb.
Hoary Whitlow Grass
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Draba cana can be easily identified when in flower or fruit, from early June through the middle of August. In an especially dry year, plants can be expected to senesce earlier than in a moist or normal year.
Welby Smith (MNDNR), 2018
Al-Shehbaz, I. A., M. D. Windham, and R. Elven. 2010. Draba. Pages 269-347 in Flora of North America Editorial Committee, editors. Flora of North America north of Mexico Volume 7. Oxford University Press, New York, New York.
Michigan Natural Features Inventory. 2007. Rare Species Explorer [web application]. Michigan Natural Features Inventory, Lansing, Michigan.
Minnesota Department of Natural Resources. 2003. Field guide to the native plant communities of Minnesota: the Laurentian mixed forest province. Ecological Land Classification Program, Minnesota County Biological Survey, and Natural Heritage and Nongame Research Program. Minnesota Department of Natural Resources, St. Paul, Minnesota. 352 pp.
Reznicek, A. A., E. G. Voss, and B. S. Walters. 2011. Michigan Flora Online. University of Michigan. <http://www.michiganflora.net/species.aspx?id=642>. Accessed March 7, 2013.
Voss, E. G. 1985. Michigan Flora. Part II: Dicots (Saururaceae-Cornaceae). Cranbrook Institute of Science Bulletin 59 and the University of Michigan Herbarium. University of Michigan, Ann Arbor, Michigan. 727 pp.
Wisconsin Department of Natural Resources. 2013. Wisconsin's rare plants. <http://dnr.wi.gov/topic/endangeredresources/plants.asp?mode=detail&speccode=pdbra112q0>. Accessed 7 March 2013.