kingdom: Plantae >
subkingdom: Pteridobiotina Britton & Brown >
phylum: Tracheophyta >
class: Magnoliopsida >
order: Malvales Juss. ex Bercht. & J. Presl >
family: Malvaceae Juss. >
subfamily: Byttnerioideae Burnett >
genus: Byttneria Loefl. >
Mexico (Tabasco)