Cardamine occidentalis (S. Watson ex B.L. Rob.) Howell
Annotated by Ben Legler, Apr 2016.

Washington: King County: Near west end of a triangle formed by intersections of NE Pacific Street, NE Pacific Place, and Montlake Boulevard NE, on southeast edge of University of Washington campus. Elev. 7 m.
47.650333° N, 122.306566° W
Datum: WGS 84. Uncertainty: 4 meters. Coordinate Source: Specimen Label.
Recently installed landscaping, planted with Berberis aquifolium, Fragaria ananassa, Ajuga reptans; with abundant weeds including Cerastium glomeratum, Euphorbia peplus, Poa annua. Full sun; rich moist soil. Petals white, siliques ascending at ca 20-45 degree angle to rachis; taprooted annual, lacking a central stem, numerous prostrate to ascending basal branches, these again much branched, forming dense tangled mounds; basal leaves absent. Very abundant weed in landscaping over an area of several acres.

Ben Legler 14023, Apr 7, 2016
SRP, Accession: 67467