Localities documented in Tropicos sources
United States (North America)
Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
- Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville. http://www.tropicos.org/Reference/1103
- Méndez-Larios, I. & J. L. Villaseñor Ríos. 2001. La familia Scrophulariaceae in México: diversidad y distribución. Bol. Soc. Bot. México 69: 101–121. http://www.tropicos.org/Reference/1021577
- Breedlove, D. E. 1986. Flora de Chiapas. Listados Floríst. México 4: i–v, 1–246. http://www.tropicos.org/Reference/513
- Correll, D. S. & M. C. Johnston. 1970. Man. Vasc. Pl. Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson. http://www.tropicos.org/Reference/1493
- García-Mendoza, A. J. & J. Meave del Castillo. 2011. Divers. Florist. Oaxaca 1–351. Universidad Nacional Autónoma de México, Ciudad Universitaria. http://www.tropicos.org/Reference/100009052
Regularity: Regularly occurring
Global Range: UT, AZ, NM, TX, and Mexico.
National NatureServe Conservation Status
Rounded National Status Rank: NNR - Unranked
Penstemon barbatus, known by the common names Golden-beard penstemon, Beardlip penstemon, and Scarlet bugler, is a flowering plant native to the western United States. In Spanish-speaking New Mexico and southern Colorado, it is called varita de San Jose -- "St. Joseph's staff." 
The plant has spikes of clustered, tubular, scarlet blossoms with yellow hairs on their lower lip; the flowers are very attractive to hummingbirds. It is commonly grown in Xeriscape and conventional gardens, and several cultivars of different colors have been developed.
The late-summer flowering of Penstemon barbatus coincides with the southern migration of the Rufous hummingbird, and the hummingbirds use the Scarlet buglers as "filling stations" for their long trip south. 
- Dodson & Dunmire, 2007, Mountain Wildfowers of the Southern Rockies, UNM Press, ISBN 978-0-8263-4244-7
- Stevenson, Matilda Coxe 1915 Ethnobotany of the Zuni Indians. SI-BAE Annual Report #30 (p. 95)
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