Rubiaceae Ladenbergia riveroana (Wedd.) Standl. - Peru J. G. Graham 4872 image_info.php?img=images/collections/jggraham_004872_01_p.jpg&id=81517#image81517 Rubiaceae Ladenbergia riveroana (Wedd.) Standl. - Peru J. G. Graham 4872 image_info.php?img=images/collections/jggraham_004872_02_p.jpg&id=83818#image83818 Rubiaceae Ladenbergia riveroana (Wedd.) Standl. - Peru J. G. Graham 4872 image_info.php?img=images/collections/jggraham_004872_03_p.jpg&id=92854#image92854 Rubiaceae Ladenbergia riveroana (Wedd.) Standl. - Peru C. Diaz 4477 image_info.php?img=images/collections/cdiaz_004477_01_p.jpg&id=128246#image128246 Rubiaceae Ladenbergia riveroana (Wedd.) Standl. - Peru J. Campos 4604 image_info.php?img=images/collections/jcampos_004604_01_p.jpg&id=128247#image128247 Rubiaceae Ladenbergia riveroana (Wedd.) Standl. - Peru R. Vásquez 26168 image_info.php?img=images/collections/rvsquez_026168_01_p.jpg&id=128248#image128248 Rubiaceae Ladenbergia riveroana (Wedd.) Standl. - Peru E. Castro 17 image_info.php?img=images/collections/ecastro_000017_01_p.jpg&id=128249#image128249 Rubiaceae Ladenbergia riveroana (Wedd.) Standl. - Peru C. Diaz 3598 image_info.php?img=images/collections/cdiaz_003598_01_p.jpg&id=128250#image128250