longdisk sneezeweed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Helenium
- species: Helenium quadridentatum
Coalcomán de Vázquez Pallares
Michoacán- Alfredo M. Terrazas
San Luis Potosí- Soto la Marina
Tamaulipas- Tuxpan de Rodríguez Cano
Veracruz
Mexico