| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Field Guide to the Broad-Leaved Herbaceous Plants of South Texas: Used by Livestock and Wildlife | 978-0-89672-400-6 | 1999 | Dale Lynn Drawe · Robert I. Lonard |
| Grasses of South Texas: A Guide to Identification and Value | 978-0-89672-668-0 | 2011 | D. Lynn Drawe · Christopher R. Little · Robert I. Lonard |
| Trees, Shrubs, and Cacti of South Texas | 978-0-89672-473-0 | 2002 | D. Lynn Drawe · Robert I. Lonard |
| Weeds in South Texas and Northern Mexico: A Guide to Identification | 978-0-89672-614-7 | 2007 | Robert Lonard · Christopher Little |