Figure 3 from: Wu Y-D, Zhang H-R, Zhang X-C (2017) Selaginella guihaia (Selaginellaceae): A new spikemoss species from southern China and northern Vietnam around the Gulf of Tonkin. PhytoKeys 80: 41-52. https://doi.org/10.3897/phytokeys.80.11126 - Wu, Yu-Dong (2017)