For instance, the list of oficial Mexican spp.

arenicola
bella
carinata/grandiflora
chichimeca
citrina
clintiae
crociflora
fosteri
katherinae
latissimifolia
lindleyana
longifolia
macrosiphon
morrisclintii (they merge Cooperia into Zephyranthes)
nelsonii
nervosa
nymphaea
primulina
pulchella
reginae
subflava
verecunda