1.
Adanick P, Medley ME. Opuntia humifusa sensu stricto (Cactaceae): New to Kentucky (U.S.A.) and confirmed in the Unglaciated Appalachian Plateaus. J. Bot. Res. Inst. Texas [Internet]. 2020 Jul. 15 [cited 2024 Mar. 28];14(1):141-6. Available from: https://journals.brit.org/jbrit/article/view/890