Mink, Jeffrey N., Walter C. Holmes, Jason R. Singhurst, et Amie Treuer-Kuehn. 2018. « Arctium Minus (Asteraceae): Historical Review, Ecological Consequences, and Addition to Texas Flora ». Journal of the Botanical Research Institute of Texas 12 (2):713-20. https://doi.org/10.17348/jbrit.v12.i2.975.