Gundlachia triantha, the TransPecos goldenshrub or Trans-Pecos desert goldenrod, is a North American species of plants in the sunflower family. It is native to northern Mexico (Chihuahua, Coahuila, Durango, Nuevo León), with the range extending just over the Río Grande into western Texas in and near Big Bend National Park.Biota of North America Program 2014 county distribution mapNesom, Guy L. 1990. Sida 14(1): 113
Gundlachia triantha is a shrub up to tall. The plant produces flower heads in clumps of 3–5 at the ends of small branches. Each head contains 3–7 disc flowers but no ray flowers.Flora of North America, Gundlachia triantha (S. F. Blake) Urbatsch & R. P. Roberts, 2004. Blake, Sydney Fay. 1938. Journal of the Washington Academy of Sciences 28(11): 485–486, Aplopappus trianthus descriptions in English and Latin, commentary in English
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External links photo of herbarium specimen collected in Durango in 1994