Cologania pallida (Pale Cologania)
Wooton, E.O. and P.C. Standley. 1915. Flora of New Mexico. Contributions from the U.S. National Herbarium 19:1-794.
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. Second edition. Timber Press, Portland, Oregon.
Martin, W.C. and C.R. Hutchens. 1981. A Flora of New Mexico.
Turner, B.L. 1992. Taxonomic overview of the genus Cologania (Fabaceae, Phaseoleae). Phytologia 73(4):281-301.
Correll, D.S. and M.C. Johnston. 1979. Manual of the vascular plants of Texas, second printing. The University of Texas at Dallas, Richardson, TX.
Fearing, O.S. 1959. A cytotaxonomic study of the genus Cologania and its relationship to Amphicarpaea (Leguninosae-Papilionoideae). PhD Dissertation, University of Texas.
Hatch, S.L., K.N. Gandhi and L.E. Brown. No date (about 1990). Checklist of the vascular plants of Texas. The Texas Agricultural Experimental Station, Texas A&M University, College Station, TX.
Roalson, E. and Allred, K.W. 1996. Interim draft copy of a working index of New Mexico plant names. Range Science Herbarium, Department of Animal & Range Sciences, New Mexico State University, Las Cruces.
US Department of Agriculture. 1994. Plants of New Mexico-alphabetical listing. Soil Conservation Service, Information Resources Management Division, Fort Collins, CO.
For distribution maps and more information, visit Natural Heritage New Mexico