Verbenaceae Stachytarpheta cayennensis (Rich.) Vahl - Peru J. G. Graham 4109 image_info.php?img=images/collections/jggraham_004109_01_p.jpg&id=83578#image83578 Verbenaceae Stachytarpheta cayennensis (Rich.) Vahl - Peru J. G. Graham 4109 image_info.php?img=images/collections/jggraham_004109_02_p.jpg&id=84010#image84010 Verbenaceae Stachytarpheta cayennensis (Rich.) Vahl - Peru C. Vargas 23030 image_info.php?img=images/collections/cvargas_023030_01_p.jpg&id=97329#image97329 Verbenaceae Stachytarpheta cayennensis (Rich.) Vahl - Peru C. Reynel 5227 image_info.php?img=images/collections/creynel_005227_01_p.jpg&id=130214#image130214 Verbenaceae Stachytarpheta cayennensis (Rich.) Vahl - Brazil L. Teixeira 77 image_info.php?img=images/collections/lteixeira_000077_01_p.jpg&id=130215#image130215