cluster. Mong Leng and Hmong Daw are just those varieties of the cluster that migrated to Laos. The names Mong Leng, Hmong Dleu/Der, and Hmong Daw are also used in China for various dialects of the cluster.

Ethnologue once distinguished only the Laotian varieties (Hmong Daw, Mong Leng), Sinicized Miao (Hmong Shua), and the Vietnamese varieties (Hmong Dô, Hmong Don). The Vietnamese varieties are very poorly known; population estimates are not even available. In 2007, Horned Miao, Small Flowery Miao,