1. Spread of the introduced Lehmann lovegrass (Eragrostis lehmanniana;Anable;Biological Conservation,1992
2. The Jornada Experimental Range: an epoch in the era of southwestern range management;Ares,1974
3. Historical development of temperate vegetation in the Americas;Axelrod;Revista Chilena de Historia Natural,1991
4. A Legacy of Change: historic human impact on vegetation in the Arizona borderlands;Bahre,1991
5. Human impacts on the grasslands of southeastern Arizona;Bahre,1995