Castilleja collegiorum

Castilleja collegiorum

Critically Imperiled  (NatureServe)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Orobanchaceae
Genus: Castilleja
Species:
C. collegiorum
Binomial name
Castilleja collegiorum
J.M.Egger & Malaby

Castilleja collegiorum is a species of Castilleja known by the common name collegial paintbrush.

It is endemic to a single meadow complex in Oregon, where it grows in open mixed-species meadow sites. Like all narrow endemics, it is highly vulnerable to habitat destruction.