Isoetes mourabaptistae, a new species from southern Brazil, is described, illustrated, and compared to the most similar species. This new species is apparently restricted to southern Brazil, and is characterized by cristate to irregularly reticulate megaspores and microechinate microspores. It is an aquatic plant, occurring among submersed rocks along rivers, at about 900–1100 m in elevation.
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American Fern Journal
Vol. 102 • No. 2
April 2012
Vol. 102 • No. 2
April 2012
Aquatic plants
diversity
Isoetaceae
lycophytes
taxonomy