These organizations and other related links have similar or overlapping goals and values as those of the Native Plant Society of Texas.
- Bamberger Ranch
- Biodiversity of Williamson County, Texas – an iNaturalist project administered by Bob Kamper
- Butterflies and Moths of North America
- Celebrating Wildflowers – USDA Forest Service
- Homegrown National Park – Doug Tallamy
- Lady Bird Johnson Wildflower Center
- National Wildlife Federation
- Native American Seed
- Native Prairies Association of Texas
- Texas A&M Forest Service
- Texas Invasives
- Texas Master Naturalists – Good Water (Williamson County) Chapter of Master Naturalists
- The Xerces Society