CLARIFICATION OF BORRERIA GYMNOCEPHALA, DIODIA GYMNOCEPHALA, DIODIA SCHUMANNII, BORRERIA FLAVOVIRENS, AND SPERMACOCE SCHUMANNII (RUBIACEAE)
Published in Journal of The Botanical Research Institute of Texas, in 2008, in volume 2, issue 1, pages 305-308
Date published:2008