Asclepiadaceae Matelea rivularis Woodson - Peru J. Schunke Vigo 16013 image_info.php?img=images/collections/jschunkevigo_016013_01_p.jpg&id=81566#image81566 - Peru J. Schunke Vigo 15808 image_info.php?img=images/collections/jschunkevigo_015808_01_p.jpg&id=81627#image81627 - Peru J. Schunke Vigo 15971 image_info.php?img=images/collections/jschunkevigo_015971_01_p.jpg&id=82161#image82161