Xanthisma spinulosum (Pursh) D.R. Morgan & R.L. Hartman
USA, Colorado, Jefferson, Apex Park - Northern Parcel. Northeast quadrant of Apex Park - North Parcel, high plains at the base of the Rocky Mountains foothills scarp, 4.47 km. south of the GNIS location of Golden.
39.72476414 -105.2192521 WGS84
1869 meters (6130ft)
The grasses having long since senesced due to the hot dry summer.
Eriogonum effusum, Artemisia dracunculus, Ericameria nauseosa var. graveolens, Senecio spartioides
In the middle of a small patch of Solidago sp. Mixed foothills shrub- and grass-land.
Plants of Jefferson County Open Space | Several other collections and observations of this taxon nearby.