Brickellia ambigens is a North American species of flowering plants in the family Asteraceae. It is native to Lincoln County, New Mexico.Greene, Edward Lee 1898. Bulletin of the Torrey Botanical Club 25(3): page 118 description and commentary in English, as Coleosanthus ambigensGreene, Edward Lee 1898. Bulletin of the Torrey Botanical Club 25(3): plate 330, figures 3–4 line drawings of Brickellia ambigens as Coleosanthus ambigens; figure captions on page 124
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External links photo of herbarium specimen at Missouri Botanical Garden, type specimen of Coleosanthus ambigens/Brickellia ambigens