{"id":12446,"date":"2026-06-15T20:16:39","date_gmt":"2026-06-15T19:16:39","guid":{"rendered":"https:\/\/micologica-barakaldo.org\/?p=12446"},"modified":"2026-06-15T20:16:39","modified_gmt":"2026-06-15T19:16:39","slug":"russula-densifolia","status":"publish","type":"post","link":"https:\/\/micologica-barakaldo.org\/eu\/russula-densifolia\/","title":{"rendered":"Russula densifolia"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-bottom:50px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-first\" style=\"--awb-bg-size:cover;width:48%; margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-1\"><p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\"><strong><em>Russula densifolia<\/em><\/strong><strong> Secr. ex Gillet<\/strong>, Les Hym\u00e9nomyc\u00e8tes ou Description de tous les Champignons (Fungi) qui Croissent en France avec l&#8217;indication de leurs propri\u00e9t\u00e9s utiles ou v\u00e9n\u00e9neuses: 231. 1876<\/p>\n<p style=\"text-align: justify;\">Micobank: <a href=\"https:\/\/www.mycobank.org\/MB\/184435\">\u00a0<span style=\"color: #008080;\">184435<\/span><\/a><\/p>\n<p style=\"text-align: justify;\">Caracteres macrosc\u00f3picos. <em>P\u00edleo<\/em> de 40 &#8211; 80 mm de di\u00e1metro, inicialmente convexo, pronto extendido y d\u00e9bilmente deprimido al centro; margen espeso, enrollado, regular, a menudo lobulado; superficie pileica separable hasta un tercio del radio, al inicio h\u00fameda y brillante, despu\u00e9s seca y mate, blanquecina al principio sobre todo hacia el margen, pardo, pardo-bistre, pardo-fuliginoso, con manchas negruzcas en las heridas o manipulaci\u00f3n. <em>L\u00e1minas<\/em> apretadas, desiguales, intervenadas, hasta 6 mm de ancho, algo agudas en el margen, adnato-decurrentes, crema-blanquecinas, con reflejos crema-ocr\u00e1ceos, gris\u00e1ceas a la presi\u00f3n y ennegreciendo en la madurez; arista entera y concolor, enrojeciendo al frotamiento y negruzca finalmente. <em>Est\u00edpite<\/em> de 30 &#8211; 60 \u00d7 10-20 mm, m\u00e1s o menos cil\u00edndrico algo ensanchado hacia las l\u00e1minas, espeso, duro, mate, pruinoso, primero liso, finalmente rugoso, blanquecino, enrojeciendo a la presi\u00f3n, finalmente pardusco, negruzco hacia la base. <em>Contexto<\/em> espeso, firme, blanco al principio, enrojeciendo de forma d\u00e9bil, despu\u00e9s toma una tonalidad gris\u00e1cea o pardo-bistre; olor poco destacable, sabor dulce, puede ser algo acre en unos minutos. Reacciones macroqu\u00edmicas: Guayaco r\u00e1pida e intensa, Sulfato de hierro rosa anaranjado al principio, verde sucio en varios minutos.<\/p>\n<p style=\"text-align: justify;\">Caracteres microsc\u00f3picos. <em>Basidiosporas<\/em> de (7,5-) 8,2 \u00b1 0,63 (-10,5) \u00d7 (6,5-) 7,1 \u00b1 0,49 (-8,2) \u03bcm; Q = 1,2 \u00b1 0,10; elipsoidales u obovales, con gruesa ap\u00edcula, con verrugas bajas, hemisf\u00e9ricas o cil\u00edndrico-obtusas, de hasta 0,5 \u00b5m, aisladas o confluentes, con finos hilos conectivos que dan un aspecto subreticulado, placa suprahilar poco definida, no amiloide. Esporada blanca. <em>Cistidios<\/em> de hasta 100 x 10 \u00b5m, abundantes, subcil\u00edndricos o fusiformes, rematados en el \u00e1pice con un corto ap\u00e9ndice, con poco intensa a la sulfovainillina en la parte superior. <em>Pileipellis<\/em> formada por pelos abundantes, cil\u00edndricos, poco ramificados, multiseptados, con los elementos terminales adelgazados o atenuados, de hasta \u00d712\u00b5m, dermatocistidios escasos, septados, fusiformes, apendiculados, con contenido gris\u00e1ceo a la sulfovainilla.<\/p>\n<p style=\"text-align: justify;\">Ecolog\u00eda. En verano y oto\u00f1o en bosques de frondosas, sobre todo <em>Quercus<\/em> y <em>Fagus.<\/em> Distribuci\u00f3n. Frecuente, E. Fotograf\u00eda. Jos\u00e9 A. Mu\u00f1oz S\u00e1nchez.<\/p>\n<p style=\"text-align: justify;\">Citar como: MU\u00d1OZ, J. A. (2026). <em>Russula densifolia<\/em> Secr. ex Gillet, micol\u00f3gica-barakaldo.org [en l\u00ednea]. Fichas Micol\u00f3gicas, 1027 (Actualizada el 14-VI-2026). ISSN 2660-633X. [consultado el xx\/xx\/xxx] https:\/\/micologica-barakaldo.org\/Russula-densifolia\/<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-last\" style=\"--awb-bg-size:cover;width:48%;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 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