Smith GF, Crouch NR. Crassula ×mortii (Crassulaceae subfam. Crassuloideae), a new natural hybrid between C. perforata and C. rubricaulis from South Africa’s southern Cape. Phytotaxa [Internet]. 2021 Feb. 22 [cited 2025 Dec. 6];487(1):97–102. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.487.1.9