Thallus habitus: ARostania occultata var. populina (Odelvik 1269, S), thallus lobes (arrow) B Rostania multipunctata (Poelt 8852, GZU), accessory lobules (arrow) C Rostania ceranisca (MW_HOCH020, S), accessory finger-like lobules (arrow) D Rostania laevispora (isotype of Collema laevisporum Swinscow & Krog, Tanzania, 1986, Swinscow & Krog T 3/6, O-00298), apothecium in initial stage (arrow) E Rostania callibotrys (Moberg 4431a, UPS), apothecium in initial stage (arrow). tL = thallus lobes, al = accessory lobules, Ai = apothecium in initial stage covering the top of the accessory lobules. Scale bar: 1 cm.

 
 
  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