Mink, J. N., Holmes, W. C., Singhurst, J. R., & Treuer-Kuehn, A. (2018). Arctium minus (Asteraceae): historical review, ecological consequences, and addition to Texas flora. Journal of the Botanical Research Institute of Texas, 12(2), 713–720. https://doi.org/10.17348/jbrit.v12.i2.975