Publication: Bulletin of the Torrey Botanical Club. 20:283, plate 159. 1893.
Origin: Native
Herbarium search: CPNWH
Notes: Buckingham et al. (1995) consider this escaped and not native on the Olympic Penin., perhaps based on FPNW stating it is not known W of the Cascades Mts.
Last updated 7/8/2007 by David Giblin.