1. Argus G. W.1957. The willows of Wyoming. M.S. Thesis University of Wyoming Laramie Wyoming USA.
2. Preliminary reports on the flora of Wisconsin. No. 51. Salicaceae, The genus Salix—willows;Argus G. W.;Wisconsin Academy of Sciences Arts & Letters,1964
3. The genus Salix in Alaska and the Yukon;Argus G. W.;Canadian National Museum of Natural Sciences Publications in Botany,1973
4. The Genus Salix (Salicaceae) in the Southeastern United States