There are over 281 species of woody plants and 32 species of cacti in the South Texas ecological region. The vast majority of these are found in the lower Rio G

Profiles 185 broad-leaved herbaceous plants in Texas, focusing on southern Texas, that are useful to landowners, providing color photos, comments, and details o

A Field Guide to the Woody and Flowering Species Covering the almost three million acres of southernmost Texas known as the Lower Rio Grande Valley, this user-f

Since 1987, more than 225 species have been identified and described as endangered, imperiled, or declining. Complete with photographs, line drawings, and count