Ceanothus americanus var. pitcheri Torrey & A. Gray
Rhamnaceae
Lee, Michael
MDL4715
2008-07-22
United States, Minnesota, Benton, On the east side of the Mississippi River just south of Peace Rock, three miles north of Sartell. W1/2 of SE1/4 of SW1/4 of section;;037N;31W;27
45.6642602 -94.1907057
45.6642602° N,94.1907057° W;collector
Local, several large patches along roadway through a dry oak woodland. Partial shade of Quercus macrocarpa and Q. ellipsoidalis. Sandy soil of an ancient (glacial) river terrace, near granite outcrops. Associated species include Andropogon gerardii, Stipa spartea, Bromus inermis, Poa pratensis, Carex pensylvanica, C. siccata, Desmodium canadense, Veronicastrum virginicum, Monarda fistulosa, Toxicodendron rydbergii, Corylus americana.