Origin: Introduced

Herbarium search: CPNWH

Notes: Reported naturalized by Buckingham et al. (1995) and Atkinson and Sharpe (1993), possibly confused with M. sylvatica. No vouchers from WA currently exist at herbaria included in the PNW Consortium. This taxon is considered excluded until a voucher from WA is located.

Last updated 5/14/2013 by David Giblin.