Guiggi A, Mariotti M.

Notes about the Berger’s new Opuntia s.l. species (Cactaceae) described from the Hanbury Botanical Gardens collection

. Phytotaxa [Internet]. 2019 Oct. 8 [cited 2025 Dec. 6];420(1):21–55. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.420.1.2