- Audubon Native Plants Database: https://www.audubon.org/native-plants/search
- Audubon Texas – Plants for Birds: https://tx.audubon.org/conservation/plants-birds
- Lady Bird Johnson Texas Wildflower Center: https://www.wildflower.org/texas
- Native Plant Society of Texas: https://npsot.org/wp/
- Native and Adapted Plants for Central Texas: https://aggie-horticulture.tamu.edu/travis/wp-content/uploads/2016/09/TCMGNativeandAdapted-09-13-16.pdf
- USDA Plants Database: https://plants.usda.gov/java/