Plant Lists and Correspondence, 1949-1971Fred A. (Fred Alexander) 1908 Barkley · First published 2021Open the Tome
El nombre botanico del " Quebracho Colorado Santiagueno"Fred A. Barkley, Teodoro Meyer · First published 1950Open the Tome
Colectores de plantas en ColombiaFred A. Barkley, Gabriel Guitierrez V. · First published 1948Open the Tome
A short history of Rhus to the time of LinnaeusFred A. Barkley, Elizabeth Ducker Barkley · First published 1938Open the Tome
A monographic study of Rhus and its immediate allies in North and Central AmericaFred A. Barkley · First published 1937Open the Tome
A most useful plant family, the AnacardiaceaeHerman R. Sweet, Fred A. Barkley · First published 1936Open the Tome
