Shinners & Mahler's illustrated flora of north central Texas
New Dorothea L. Leonhardt Foundaton (Andrea C. Harkins), Bass Foundation, Ruth Andersson May, Mary G. Palko, Amon G. Carter Foundation, Margret M. Rimmer, Mike and Eva Sandlin
Print Book, English, 1999
Botanical Research Institute of Texas, Fort Worth, Tex., 1999