Bibiography:  Reference Listing
for the Azollaceae


Lumpkin, T.A. 1993. Azollaceae. In: Flora of North America Editorial Committee, eds, Fl. North Amer. 2:338-342 Oxford Univ. Press, New York and Oxford.

Svenson, H. K. 1944. The New World species of Azolla. American Fern Journal 34:69-84.