The Yucca flower is also the national flower of El Salvador, where it is known as . Species , the World Checklist of Selected Plant Families recognizes 49 species of Yucca and several hybrids: A number of other species previously classified in Yucca are now classified in the genera Dasylirion, Furcraea, Hesperaloe, Hesperoyucca, and Nolina. Cultivars From 1897 to 1907, Carl Ludwig Sprenger created and named 122 Yucca hybrids. Gallery Notes References General Fritz Hochstätter (Hrsg.): Yucca (Agavaceae). Band 1 Dehiscent-fruited species in the Southwest and Midwest of the USA, Canada, and Baja California , Selbst Verlag, 2000. Fritz Hochstätter (Hrsg.): Yucca (Agavaceae). Band 2 Indehiscent-fruited species in the Southwest, Midwest, and East of the USA, Selbst Verlag. 2002. Fritz Hochstätter (Hrsg.): Yucca (Agavaceae). Band 3 Mexico , Selbst Verlag, 2004. External links Yucca species and their Common names - Fritz Hochstätter New Mexico Statutes and Court Rules: State Flower Agavoideae Asparagaceae genera North American desert flora Taxa named by Carl Linnaeus Saponaceous plants Vegetable fibers Fiber plants