Amauroderma omphalodes (Berk.) Torrend, Brotéria Série Botânica, 1920

Gomes-Silva, Allyne C., De Lima-Júnior, Nelson C., Malosso, Elaine, Ryvarden, Leif & Gibertoni, Tatiana B., 2015, Delimitation of taxa in Amauroderma (Ganodermataceae, Polyporales) based in morphology and molecular phylogeny of Brazilian specimens, Phytotaxa 227 (3), pp. 201-228 : 215

Amauroderma omphalodes (Berk.) Torrend, Brotéria Série Botânica 18: 131 (1920)

≡ Polyporus omphalodes Berk. , Hooker’s Journal of Botany and Kew Garden Miscellany 8: 172 (1856).

Description:— Furtado (1981), Ryvarden (2004a).

Substrate: —on dead deciduous wood or on soil.

Distribution: — Brazil, Colombia, Guyana and Venezuela.

Specimens examined: — BRAZIL. Amazonas: São Gabriel da Cachoeira , January 1978, I.J. Araújo w/n ( INPA 78717 , as A. boleticeum ) ; Barcelos, Serra de Aracá , July 1985, E.S.S. Silva et al.w/n ( INPA 153720 ), Jutaí, October 1986, E.S.S. Silva et al. 887 ( INPA 155001 ). Pernambuco: Caruaru, Parque Natural Municipal João Vasconcelos Sobrinho, June 2009, J.M. Baltazar et al. JMB1695 ( URM 81366 ) ; Jaqueira, RPPN Frei Caneca, Mata das Moças , L.S. Araujo-Neta 3AN ( URM 84236 ). Pará: Portel , Floresta Nacional de Caxiuanã , August 2013, A.M. Soares 592 (MG) ; Melgaço, Estação Científica Ferreira Penna, February 2008, T.B. Gibertoni et al. w/n ( URM 79314 , URM 79315 , URM 79316 ). Rondônia, Jarú, w/d, M. Capelari & R. Maziero (SP 211532), Porto Velho, Estação Ecológica de Cuniã March 2012, A.C. Gomes-Silva & T.B. Gibertoni 50 ( URM 83908 ), January 2010, A.C. Gomes-Silva et al. 979 ( URM 83413 ) .

Remarks: —The brown basidiomata, the yellowish context with two black lines, the globose to subglobose, distinctly ornamented basidiospores (10‒13 × 9‒12 μm) distinguish this species. Amauroderma camerarium is similar, but has no lines in the context.