Oxypetalum gyrophyllum and O. oblanceolatum, new specis of Asclepiadoideae (Apocynaceae) from Brazil, and a key for the !O. insigne group
Published in Novon, in 2006, in volume 16, pages 235-239
Date published:2006
Published in Novon, in 2006, in volume 16, pages 235-239
Date published:2006