Hydroleaceae Hydrolea spinosa L. - Brazil J. E. Householder 2172 image_info.php?img=images/collections/jehouseholder_002172_01_p.jpg&id=56975#image56975 Hydroleaceae Hydrolea spinosa L. - Brazil J. E. Householder 2172 image_info.php?img=images/collections/jehouseholder_002172_02_p.jpg&id=56976#image56976 Hydroleaceae Hydrolea spinosa L. - Brazil J. E. Householder 2172 image_info.php?img=images/collections/jehouseholder_002172_03_p.jpg&id=57422#image57422