Origin: Native
Herbarium search: CPNWH
Notes: Described from British Columbia (Sheviak 1992). Reported for Washington by P. M. Brown in a personal communication to KZ, but no voucher has been located. The two parents do grow mixed together in Spokane Co., but no spontaneous hybrids have been confirmed.
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Last updated 3/9/2009 by David Giblin.