Huaylla, H., et al. “FURTHER NOTES ON A RARE SPECIES OF SELAGINELLA (PTERIDOPHYTA – SELAGINELLACEAE) FROM THE CERRADOS OF EASTERN BOLIVIA”. Edinburgh Journal of Botany, vol. 67, no. 1, Feb. 2010, pp. 69-73, https://doi.org/10.1017/S0960428609990205.