Roldana barba-johannis
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Roldana
- species: Roldana barba-johannis
Benito Juarez
Mexico CitySan Jerónimo Acazulco
MéxicoCuautlapan
Veracruz
Mexico