Krings (Proctor) 2008 - Krings A (2008) INDEX OF NAMES AND TYPES IN WEST INDIAN GONOLOBINAE (APOCYNACEAE: ASCLEPIADOIDEAE), INCLUDING FOURTEEN NEW LECTOTYPIFICATIONS, ONE NEOTYPIFICATION, A NEW NAME, AND A NEW COMBINATION. Journal of The Botanical Research Institute of Texas 2(1): 139-163. Retrieved from http://www.jstor.org/stable/41971610
There is no corrections for Matelea costata var. goodfriendii yet.