Cynanchum grisebachii (M. Gómez) Woodson Cynanchum grisebachii (M. Gómez) Woodsonis new combination for Astephanus grisebachii M. Gómezis new name for Tylodontia cubensis Griseb.Taxon for this nameCynanchum grisebachii (M. Gómez) Woodson