Fl. N.W. Coast [Piper & Beattie] 116 (1915).
- IPNI Life Sciences Identifier (LSID)
- Flora of the Northwest Coast Including the Areas West of the Cascade Mountains Forty-ninth Parallel South to the Calapooia Mountains on the South Border of Lane County, Oregon. Lancaster, PA
- Family as entered in IPNI
- Distribution Of Types
- Washington (Northwestern U.S.A., Northern America)