1. Intergeneric hybridization between Psathyrostachys and Hordeum. -;Baden;Nord. J. Bol.,1989
2. Baum , B. R. Bailey , G. 1991 Restriction fragment variation in the chloroplast DNA of the North American native and introduced species of Hordeum. - Barley Genetics VI: 34-36
3. Wild species of Hordeum (Barley) in Argentina and Chile. -;Bothmer;Geogr. Tidsskr.,1980
4. Origin, taxonomy, and related species. - In: Barley;Bothmer;ASA Monograph No.,1985
5. Interspecific crosses in Hordeum (Poaceae). -;Bothmer;Plant Syst. Evol.,1986