Ascospores: A Rostania quadrifida (McCune 2744, UPS), cubic spores with 2–5 cells B Rostania paramensis (Palice 2796, holotype of Collema paramense), ellipsoid spores with acute ends C Leptogium azureum (Tehler 3140, S), ellipsoid spores with acute ends D Scytinium sp. (Palice 2273), oblong spores, E Scytinium sp. (Palice 2274), oblong spores. Scale bar = 10 µm

 
 
  Part of: Košuthová A, Westberg M, Otálora MAG, Wedin M (2019) Rostania revised: testing generic delimitations in Collemataceae (Peltigerales, Lecanoromycetes). MycoKeys 47: 17-33. https://doi.org/10.3897/mycokeys.47.32227