Selaginella alstonii G. Heringer, Salino & Valdespino. A Megaspore proximal face B Close-up of megaspore proximal face surface C Megaspore distal face D Close-up of megaspore distal face surface E Microspore proximal face F Microspore distal face G Close-up of microspore distal face surface H Close-up of microspore equatorial view surface A–H taken from isotype, Almeida et al. 533 (PMA).

 
 
  Part of: Valdespino IA, Heringer G, Salino A, Góes-Neto LAA, Ceballos J (2015) Seven new species of Selaginella subg. Stachygynandrum (Selaginellaceae) from Brazil and new synonyms for the genus. PhytoKeys 50: 61-99. https://doi.org/10.3897/phytokeys.50.4873