Pteridaceae Ceratopteris sp. Jeh1856 - Brazil J. E. Householder 1856 image_info.php?img=images/collections/jehouseholder_001856_01_p.jpg&id=57933#image57933 Pteridaceae Ceratopteris sp. Jeh1856 - Brazil J. E. Householder 1856 image_info.php?img=images/collections/jehouseholder_001856_02_p.jpg&id=57934#image57934 Pteridaceae Ceratopteris sp. Jeh1856 - Brazil J. E. Householder 1856 image_info.php?img=images/collections/jehouseholder_001856_03_p.jpg&id=57935#image57935