Marshall Johnston taught botany at the University of Texas for several decades and is Texas’ best-known taxonomists, having coauthored with Don Correll the Manual of Vascular Plants of Texas, which is considered to be the bible of Texas taxonomy. He also taught the very popular Native Plants to introduce the scientific understanding of plants to undergraduates in a field setting. . . and have a mostly plant taxonomy that is the relationships of plants. In 1971, Scooter Cheatham walked into his office on the UT Austin campus and the Useful Wild Plants Project was born.