*Zephyranthes bifida (Herbert) Nic. García & Meerow. Phen: Aug-Sep. Hab: Persistent from horticultural use. Dist: Native of South America (Uruguay, ne. Argentina, s. Brazil, and Paraguay).
Origin/Endemic status: Neotropics
Taxonomy Comments: The phylogeny in García et al. (2017) suggested that this species belongs in neither Hippeastrum (unless that is treated very broadly) nor Rhodophiala. García et al. (2019) placed it in a monotypic Zephyranthes subgenus Neorhodophiala.
Synonymy: = García et al (2019); = Hippeastrum bifidum – ETx1, K3, Christenhusz, Fay, & Byng (2018); = Rhodophiala bifida (Herb.) Traub – K4