kingdom: Plantae >
subkingdom: Pteridobiotina Britton & Brown >
phylum: Tracheophyta >
class: Magnoliopsida >
order: Malvales Juss. ex Bercht. & J. Presl >
family: Malvaceae Juss. >
subfamily: Malvoideae Burnett >
genus: Malacothamnus Greene >
USA (California: San Luis Obispo Co., S-Monterey Co.)