Gray's feverfew
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Parthenium
- species: Parthenium confertum
Chihuahua
Chihuahua- Ciudad Sabinas
- Parras de la Fuente
Coahuila
Mexico
Castle Hills
Texas
United States