Figure 10 from: Valdespino IA (2017) Novel fern- and centipede-like Selaginella (Selaginellaceae) species and a new combination from South America. PhytoKeys 91: 13-38. https://doi.org/10.3897/phytokeys.91.21417

Figure 10 - Selaginella squamulosa Valdespino. A Megaspore, proximal face B Close-up of megaspore, proximal face C Megaspore, distal face D Close-up of megaspore, distal face. A–D taken from paratype, Boom et al. 6011 (NY).