E. nana may refer to: Endolimax nana, an amoebozoa species found in the intestines of humans Ericameria nana, the dwarf goldenbush or rubberweed, a flowering shrub species Eurycea nana, the San Marcos salamander, a small species of aquatic, lungless salamander species native to the United States Synonyms Ephedra nana, a synonym for Ephedra frustillata, the Patagonian ephedra, a plant species found in Patagonia See also Nana (disambiguation)