Selaginella papillosa Valdespino. A Megaspore, proximal face B detail of megaspore, proximal face C megaspore, distal face D detail of megaspore, distal face. A–D taken from the holotype.

 
 
  Part of: Valdespino IA (2020) Taxonomic innovations in South American Selaginella (Selaginellaceae, Lycopodiophyta): description of five new species and an additional range extension. PhytoKeys 159: 71-113. https://doi.org/10.3897/phytokeys.159.55330