Krings & Q.Y.Xiang (Scheele) 2005 - Krings A, Xiang (J) Q-Y (2005) TAXONOMY OF THE GONOLOBUS COMPLEX (APOCYNACEAE, ASCLEPIADOIDEAE) IN THE SOUTHEASTERN UNITED STATES: ISSR EVIDENCE AND PARSIMONY ANALYSIS. Harvard Papers in Botany 10(2): 147-159. doi: 10.3100/1043-4534(2005)10[147:totgca]2.0.co;2.
There is no corrections for Gonolobus suberosus var. granulatus yet.