Centaurea virgata Lam. ssp. squarrosa (Willd.) Gugler
Annotated by Cindy Roché, 1991.

Oregon: Malheur: Malheur River; 61 km west of Vale on Highway 20, ca 20 m away from highway between highway and the river.
43.78621° N, 117.96107° W,
Datum: NAD83. Coordinate Source: OrlookId: 109362, StateProvince: Oregon, County: Malheur, LocName: 20S 39E 32. OregonFlora 1994-2020 methodology.
None. Artemisia tridentata, Agropyron spicatum, Bromus tectorum, Chrysothamnus Https://oregonflora.org/collections/individual/index.php?occid=2307895. Phenology: flowering.

Bill Decker s.n., Dec 11, 1991
OSC, Catalog: OSC-V-065135, Accession Number: OSC250996