new species
Barneby, R.C., and R. Spellenberg. 1987. A new species of Astragalus (Leguminosae) from northwestern New Mexico and adjacent Arizona. Brittonia 39: 188-191.
Nesom, G.L., and B. Hevron. 1995. Erigeron bistiensis (Asteraceae: Astereae): a new species from northwestern New Mexico. Madrono 42(1): 12-18.
Barneby, R.C. 1983. Dragma Hippomanicum IX. A new Astragalus (Leguminosae: Astragalanae) from sandstone rim-rock in New Mexico. Brittonia 35(2): 109-110.
Paulson, D.R. 2003. Comments on the Erythrodiplax connata (Burmeister, 1839) group, with the elevation of E. fusca (Rambur, 1842), E. minuscula (Rambur, 1842), and E. basifusca (Calvert, 1895) to full species (Anisoptera: Libellulidae). Bulletin of Americ
Hershler, R.H., H.-S. Liu, and C.A. Stockwell. 2002. A new genus and species of aquatic gastropods (Rissooidea: Hydrobiidae) from the North American southwest: phylogenetic relationships and biogeography. Proceedings of the Biological Society of Washingto