Figure 5 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 5 - Selaginella altheae Valdespino. A Megaspore, proximal face B Close-up of megaspore, proximal face C Megaspore, distal face D Close-up of megaspore, distal face E Microspore, proximal face F Microspore, distal-equatorial-proximal faces G Close-up of microspore, distal-equatorial faces; note, capitate projections and echinulate microstructure. A–G taken from holotype, Maguire et al. 60249 (NY).