[Checkerblooms and Checkermallows: The Genus Sidalcea West of the Cascade Mountains of Oregon and Washington]

Nelson's Checkerbloom, Nelson's Checkermallow, Nelson's Checker-mallow

Sidalcea nelsoniana

Nelson's Checkerbloom, Nelson's Checkermallow, Nelson's Checker-mallow: Sidalcea nelsoniana

Basal leaves of Nelson's checker-mallow as seen in the Coast Range of northwestern Oregon........May 2, 2016.
Paul Slichter