Photographer: Marjorie Illman
Date Photographed: 1995
Locality: Marrowstone Island.
Elevation: [not provided]
Coordinates: [not provided]
Voucher Specimen: (none provided)
David Giblin, September 20th, 2012
S. campestris typically has white flowers. S. hendersonii has flowers similar in color to those in the photo and is in the Washington flora, whereas S. campestris is not.