Zhou X-M, Jiang L-J, Zhang L, Gao X-F, He Z-R, Zhang L-B. Spore morphology of Selaginella (Selaginellaceae) from China and its systematic significance. Phytotaxa [Internet]. 2015 Dec. 4 [cited 2025 Dec. 5];237(1):1–67. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.237.1.1