Gymnopus nidus-avis: a Spores b Basidia c Cheilocystidia d Pileipellis (holotype). Scale bars: 5 µm (a); 10 µm (b–d).

 
 
  Part of: César E, Bandala VM, Montoya L, Ramos A (2018) A new Gymnopus species with rhizomorphs and its record as nesting material by birds (Tyrannidae) in the subtropical cloud forest from eastern Mexico. MycoKeys 42: 21-34. https://doi.org/10.3897/mycokeys.42.28894