Summary[edit] Description: Narcissus nevadensis, rare specie seriously endangered, only possible to find in Sierra Nevada and Sierra de Baza, Andalusia, Spain. Date: 26 April 2007. Source: Own work. Author: Er Komandante. Description: Narcissus nevadensis (Narciso de Sierra Nevada), especie rara y seriamente amenazada de extinción, sólo existe en Sierra Nevada y Sierra de Baza, Andalucia, España. Date: 26 April 2007. Source: Own work. Author: Er Komandante.