"Marsilea villosa". CPC National Collection Plant Profiles. Center for Plant Conservation. 2010-03-04. Archived from the original on 2010-10-28. Retrieved 2010-05-12.
"Marsilea villosa". CPC National Collection Plant Profiles. Center for Plant Conservation. 2010-03-04. Archived from the original on 2010-10-28. Retrieved 2010-05-12.