Desarmillaria Tabescens Desarmillaria

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© Demetrio Merino Alcántara [email protected] Condiciones de uso Desarmillaria tabescens (Scop.) R.A. Koch & Aime, in Koch, Wilson, Séné, Henkel & Aime, BMC Evol. Biol. 17(no. 33): 12 (2017) Physalacriaceae, Agaricales, Agaricomycetidae, Agaricomycetes, Agaricomycotina, Basidiomycota, Fungi = Agaricus monadelphus Morgan, J. Cincinnati Soc. Nat. Hist. 6: 69 (1883) ≡ Agaricus tabescens Scop., Fl. carniol., Edn 2 (Wien) 2: 446 (1772) ≡ Armillaria mellea var. tabescens (Scop.) Rea & Ramsb., Trans. Br. mycol. Soc. 5(3): 352 (1917) [1916] ≡ Armillaria tabescens (Scop.) Emel, Le Genre Armillaria (Strasbourg): 50 (1921) ≡ Armillariella tabescens (Scop.) Singer, Annls mycol. 41(1/3): 19 (1943) = Clitocybe monadelpha (Morgan) Sacc., Syll. fung. (Abellini) 5: 164 (1887) ≡ Clitocybe tabescens (Scop.) Bres., Fung. trident. 2(14): 85 (1900) ≡ Collybia tabescens (Scop.) Sacc., Syll. fung. (Abellini) 5: 206 (1887) ≡ Fungus tabescens (Scop.) Kuntze, Revis. gen. pl. (Leipzig) 3(2): 480 (1898) Material estudiado: España, Sevilla, Constantina, Quejigo Flores, 30STH7701, 480 m, en suelo sobre madera enterrada y bajo Quercus suber y Quercus faginea, 31-X-2015, leg. Concha Morente, Dianora Estrada, Tomás Illescas, Joxel González y Demetrio Merino, JA- CUSSTA: 8910. Descripción macroscópica: Píleo de 34-52 mm de diámetro, de convexo a aplanado, mamelonado, margen enrollado, poco estriado. Cutícula marrón rojiza cubierta por pequeñas escamas de color marrón oscuro. Láminas decurrentes, de color rosado, con la arista entera. Estípite de 28 -75 x 1-5 mm, cilíndrico, estriado longitudinalmente, ennegreciendo hacia la base. Olor inapreciable. Descripción microscópica: Basidios cilíndricos a claviformes, tetraspóricos, sin fíbula basal, de (29,9-)39,0-49,0(-50,9) × (7,1-)7,6-9,3(-9,7) µm; N = 19; Me = 43,3 × 8,4 µm. Basidiosporas subglobosas a elipsoidales, lisas, hialinas, gutuladas, apiculadas, de (6,7-)7,4-9,2(-10,2) × (5,0)5,5- 6,8(-7,9) µm; Q = (1,1-)1,2-1,5(-1,7); N = 80; Me = 8,3 × 6,1 µm; Qe = 1,4. Cistidios polimorfos, claviformes, con ápices alargados, de (19,0-)23,7-47,9(-59,5) × (5,0-)5,5-9,7(10,0) µm; N = 14; Me = 36,9 × 7,9 µm. Píleipellis en paralelo, con terminaciones hifales fusiformes a cilíndricas, cortas, pigmentadas de marrón amarillento, sin fíbulas. Desarmillaria tabescens 20151031/20170827 Página 1 de 4 A. Basidios. B. Esporas. Desarmillaria tabescens 20151031/20170827 Página 2 de 4 C. Cistidios. D. Pileipellis. Desarmillaria tabescens 20151031/20170827 Página 3 de 4 Observaciones Característica por su crecimiento lignícola cespitoso, ausencia de anillo y carecer de fíbulas en todas sus estructuras. Desarmillaria ectypa (Fr.) R.A. Koch & Aime (= Armillaria ectypa (Fr.) Lamoure) tiene hábitat esfagnícola, no cespitoso, y presenta fíbulas en todas sus estructuras (ROUX, 2006:431 como Armillaria tabescens). Otras descripciones y fotografías ROUX P. (2006) Mille et un champignons. Edit. Roux. Pág. 431 como Armillaria tabescens. Salvo indicación en contrario, las fotos están realizadas por Demetrio Merino. Desarmillaria tabescens 20151031/20170827 Página 4 de 4 .

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<I>Hydropus Mediterraneus</I>
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