B. nana may refer to: Banksia nana, the dwarf dryandra, a shrub species Bantia nana, a praying mantis species Barygenys nana, a frog species endemic to Papua New Guinea Betula nana, the dwarf birch, a tree species Billbergia nana, a plant species endemic to Brazil Boswellia nana, a plant species endemic to Yemen 's Soqotra Island Brachyphylla nana, the Cuban fruit-eating bat, a bat species found in Bahamas, Cayman Islands, Cuba, the Dominican Republic, Haiti, Jamaica, and Turks and Caicos Islands Brookesia nana, an extremely small species of chameleon, endemic to montane rainforest in northern Madagascar See also Nana (disambiguation)