Rinehart, Larry F., Lucas, Spencer G., Tanner, Lawrence, John Nelson, W., Elrick, Scott D., Chaney, Dan S., and DiMichele, William A. 2015. "Plant architecture and spatial structure of an early Permian woodland buried by flood waters, Sangre de Cristo Formation, New Mexico." Palaeogeography palaeoclimatology palaeoecology. 424:91–110. https://doi.org/10.1016/j.palaeo.2015.02.018