Trifolium echinatum M. Bieb.
Annotated by Vincent, M., 1 Jan 1998.

Oregon: Multnomah County: on the ballast, Lower Albina, Portland.
45.5407° N, 122.6674° W,
Uncertainty: 1609 meters.

E.P. Sheldon S.9562, Jun 9, 1902
OSC, Catalog: ORE54174