Attention is called to the distribution of the trees and shrubs, the resacas, and the abundance of native weeds in the region.
Proceedings of the Iowa Academy of Science
©1929 Iowa Academy of Science, Inc.
Pammel, L. H.
"The Botany of the Rio Grande Valley and Adjacent Mexico,"
Proceedings of the Iowa Academy of Science, 36(1), 242-242.
Available at: https://scholarworks.uni.edu/pias/vol36/iss1/40