Gymnopus nidus-avis: a Hymenial trama elements b Thick- and thin-walled hyphae from stipe medullary tissue c Hyphae and terminal elements of pileipellis (holotype). Scale bars: 10 µm (a–c).

  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.