Eryngium articulatum Hook.
Annotated by M. Yusuf Sheikh, 1976. Remarks: Herbarium of the University of California.

Oregon: Klamath County: 1.6 miles southeast Odessa Marina, Klamath Falls, Lake-of-the-Woods. Elev. 5000 ft.
42.374899° N, 122.126917° W,
Datum: WGS 84. Uncertainty: 7500 meters. Coordinate Source: Digital Map.
Moist sandy soil of gravelly, swaley flat in opening in Pinus ponderosa forest with Trichostema, Perideridia, Potentilla, and Aster. Foliage slightly to very glaucous, heads bright purple, some plants coloring tardily. Phenology: Fruits.

L. Constance 3758, Aug 23, 1965
WTU, Accession: 243947, Barcode: WTU-V-090743