T. calcareum, holotype (M. Jeppson 6965, GB): a, e basidiocarps b capillitium c, g–i spores f detail of spore-sac showing the tubular mouth d basidiocarps (M. Jeppson 6513, GB). Scale bars: a, d–e = 10 mm; b–c =10 µm; f = 5 mm; g–i = 1 µm.

 
 
  Part of: Jeppson M, Altés A, Moreno G, Nilsson RH, Loarce Y, de Bustos A, Larsson E (2017) Unexpected high species diversity among European stalked puffballs – a contribution to the phylogeny and taxonomy of the genus Tulostoma (Agaricales). MycoKeys 21: 33-88. https://doi.org/10.3897/mycokeys.21.12176