Dieteria canescens var. aristata
Sida 20: 1397. 2003.
Annuals or biennials. Stems 1+, erect, stipitate-glandular, sometimes also canescent, rarely glabrous; branches divaricate to ascending. Mid and distal leaf-blades linear-lanceolate to linear (lengths 4+ times widths). Peduncles equaling or longer than involucres. Involucres campanulate to broadly turbinate, 6–10 mm. Phyllaries in 3–6 series, appressed, spreading, or reflexed, apices sparsely to moderately stipitate-glandular, rarely canescent. Ray-florets pistillate, fertile. Cypselae sparsely to moderately appressed-hairy. 2n = 8.
Phenology: Flowering Aug–Sep.
Habitat: Grasslands, sagebrush scrublands, pinyon-juniper woodlands, pine-oak woodlands, often in washes and streambeds
Elevation: 1000–2700 m
Ariz., Colo., N.Mex., Utah.