Rhododendron arborescens Torr.
Annotated by Donald Barnett.

Oregon: Multnomah County: Portland.
Assoc. species: cultivated shrubs; soil: clay-sand, cultivated; exposure: level. Height: 8'; shrub. Abundance: solitary.

Donald Barnett s.n., May 13, 1958
HPSU, Accession: 1038