-
Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
-
Herman, D.E., et al. Provided by ND State Soil Conservation Committee. United States, North Dakota.
-
Herman, D.E., et al. Provided by ND State Soil Conservation Committee. United States, North Dakota.
-
Herman, D.E., et al. Provided by ND State Soil Conservation Committee. United States, North Dakota.
-
Herman, D.E., et al. Provided by ND State Soil Conservation Committee. United States, North Dakota.
-
Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. United States, Missouri, St. Louis Co., Allenton.
-
W.D. Brush. Provided by National Agricultural Library. United States, District of Columbia, Washington.
-
W.D. Brush. Provided by National Agricultural Library. United States, District of Columbia, Washington.
-
W.D. Brush. Provided by National Agricultural Library. United States, District of Columbia, Washington.
-
Provided by National Agricultural Library. United States, Ohio, Franklin Co..
-
Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.