Johnson, D.A.; Bushman, B.S.; Jones, T.A.; Bhattarai, K. 2013. Identifying geographically based metapopulations for development of plant materials indigenous to rangeland ecosystems of the western USA. In: Lüttge, U.; Beyschlag, W.; Francis, D.; Cushman, J., eds. Progress in Botany Vol 74: Springer, Berlin, Heidelberg: 265-291.

Johnson, D.A.; Bushman, B.S.; Jones, T.A.; Bhattarai, K. 2013. Identifying geographically based metapopulations for development of plant materials indigenous to rangeland ecosystems of the western USA. In: Lüttge, U.; Beyschlag, W.; Francis, D.; Cushman, J., eds. Progress in Botany Vol 74: Springer, Berlin, Heidelberg: 265-291.