Scientific Name Collected By Identified By Date Collected Date Identified Family Institution Catalog Number Type Status
collected Porophyllum tharpianum Steyerm. ined. Barton H. Warnock & Fred A. Barkley 1945-12-01 Asteraceae S S-G-5000 type, basionym: Porophyllum tharpianum Steyerm.
collected Wolffia elongata Landolt G. Gutiérrez & F. A. Barkley 1948-01-08 Araceae S S-R-6530 isotype, basionym: Wolffia elongata Landolt