Dickinson, T.A. 2025. Erratum: What is Suksdorf’s hawthorn? Revision of the Western North American 20-stamen black-fruited hawthorns (Crataegus series Douglasianae, Rosaceae subtribe Malinae). Journal of the Botanical Research Institute of Texas. 19, 3 (Sep. 2025), 209–210. DOI:https://doi.org/10.17348/jbrit.v19.i3.1423.