[1]
Spellenberg, R.W. and Anderson, E.W. 2019. Astragalus pilosior (Fabaceae), a new species from the Sierra Madre Occidental in Chihuahua, Mexico. Journal of the Botanical Research Institute of Texas. 13, 1 (Jul. 2019), 131–140. DOI:https://doi.org/10.17348/jbrit.v13.i1.833.