This name is possibly synonymous with Y. trichuleana var. macrocarpa, a species whose populations in New Mexico are peripheral, but is common in western Texas and northern Mexico. According to the USDA, NCRS web site, this name is synonymous with Yucca baccata var. macrocarpa and Yucca macrocarpa, a species whose U.S. distribution is New Mexico and Texas. There is no listing for Y. trichuleana var. macrocarpa.