Native Plant Care- https://npsot.org/wp/lindheimer/native-plant-care-and-maintance/
Native American Seed Planting Tips- Native American Seed – The Gardener’s Corner (seedsource.com)
Lady Bird Johnson Wildflower Center How To Skills
Plant Propagation- Plant Propagation (npsot.org)
How to Grow Native Plants of Texas and the Southwest: Revised and Updated Edition Paperback – May 15, 2001 Jill Nokes