{"id":1734,"date":"2018-04-17T19:44:46","date_gmt":"2018-04-17T18:44:46","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=1734"},"modified":"2025-11-20T21:55:35","modified_gmt":"2025-11-20T20:55:35","slug":"pseudosperma-arenicola","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/pseudosperma-arenicola\/","title":{"rendered":"Pseudosperma arenicola"},"content":{"rendered":"

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Pseudosperma arenicola<\/em><\/strong> (R. Heim) Matheny & Esteve-Rav., <\/strong>Mycologia 112 (1): 109. 2019<\/p>\n

MycoBank: 830481<\/a><\/span><\/p>\n

Caracteres macrosc\u00f3picos. P\u00edleo <\/em>de 30 – 90 mm de di\u00e1metro, c\u00f3nico campanulado, despu\u00e9s plano convexo o extendido manteniendo un marcado umb\u00f3n obtuso, margen inicialmente cubierto de restos de cortina blanca, entero o algo fisurado. Superficie pil\u00e9ica al principio cubierto de un fino velo blanquecino, una vez que este fino velo desaparece la superficie es finamente fibrillosa y disociada radialmente; de color de la superficie en ocre marr\u00f3n o leonado marr\u00f3n, m\u00e1s oscuro al disco. L\u00e1minas <\/em>apretadas, anchas, adnatas o ventricosas, primero blanquecinas, pronto beige, cremas a gris marr\u00f3n, con algunos tonos oliv\u00e1ceos; arista laminar dentada y blanquecina. Est\u00edpite<\/em> de hasta 60-100 \u00d7 10-15 mm, cilindr\u00e1ceo, un poco abultado hacia la base, profundamente introducido en el sustrato, fibrilloso; de color blanquecino a ocre marr\u00f3n p\u00e1lido. Contexto<\/em> espeso, blanquecino, ocr\u00e1cea en el est\u00edpite, olor nulo o ligeramente esperm\u00e1tico, sabor poco apreciable.<\/p>\n

Caracteres microsc\u00f3picos. Basidiosporas<\/em> de 10,0-16,5 (17,0) \u00d7 5,5-8,0 \u00b5m \/ Q = 1,8-2,2; oblongas, sub-cil\u00edndricas o sub-faseoliformes, lisas, amarillo ocre en KOH al 3%. Queilocistidios<\/em> de hasta 80 (95) \u00d7 22 \u00b5m, cil\u00edndricos o sub-cil\u00edndricos, claviformes, subcapitados, con fino contenido granuloso. Caulocistidios en la parte superior del est\u00edpite, similares a los queilocistidios.\u00a0<\/p>\n

Ecolog\u00eda. En oto\u00f1o, en zonas arenosas, en dunas, bajo con\u00edferas.\u00a0 Distribuci\u00f3n. Poco frecuente. R. Fotograf\u00eda. Jos\u00e9 A. Mu\u00f1oz S\u00e1nchez.<\/p>\n

Citar como: MU\u00d1OZ, J. A. (2018). Agaricus litoralis<\/em> (Wakef. & A. Pearson) Pil\u00e1t, micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, 150 (Actualizada el 20-XI-2025). ISSN 2660-633X. [consultado el xx\/xx\/xxx] https:\/\/micologica-barakaldo.org\/Pseudosperma-arenicola\/<\/p>\n

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