Silene hookeri Nutt. ssp. hookeri
Annotated by James T. Duncan, 9 Oct 2016.

Oregon: Douglas County: Umpqua Forest; Mt. Nebo, near Roseburg. Elev. 1200 ft.
South slope; shallow, rocky, red clay loam; basaltic formation; open grass-browse; with Agoseris elata, Calochortus elegans, Festuca rubra, Phacelia heterophylla, Poa sandbergii, nos. 1488 to 1500. occasional in this type. Not observed to be grazed. Original label, 51202 Phenology: flowering. Cotype: Silene ingrami Tidestr. & Dayton.

Douglas C. Ingram 1489, May 29, 1924
SOC, Accession: 10484