Parasola auricoma (Pat.) Redhead, Vilgalys & Hopple, Taxon 50: 235. 2001.

Hussain, Shah, Ahmad, Habib, Ullah, Sadiq, Afshan, Najam-Ul-Sehar, Pfister, Donald H., Sher, Hassan, Ali, Haidar & Khalid, Abdul N., 2018, The genus Parasola in Pakistan with the description of two new species, MycoKeys 30, pp. 41-60 : 49

Parasola auricoma (Pat.) Redhead, Vilgalys & Hopple, Taxon 50: 235. 2001. Figures 6, 8

Synonymy.

Coprinus auricomus Pat., Tab. analyt. Fung. 5: 200, 1886.

Description.

Pileus 15-30 mm diam, convex to broadly convex, deeply plicate towards the margin, light grayish-brown (2.5YR 5/2) to grayish reddish-brown (2.5YR 3/2); disc indistinctly umbonate to umbilicate, dark reddish orange (7.5R 4/8) to grayish reddish orange (2.5YR 5/6). Lamellae free and remote, pseudocollarium absent, closed, initially concolorous with pileus, later on dark black, finally losing turgor and collapsing. Stipe 40-65 × 2-5 mm, equal, smooth, central, hollow, without annulus.

Basidiospores (10.5)12.5-13.5(15.0) × (8.0)8.5-9.5(10.0) × (7.0)8.0-9.0(10.0) μm, on average 12.9 × 9.0 × 8.5 μm, Q1 = 1.5-1.6, Q2 = 1.3-1.4, avQ = 1.5; in face view subcylindrical to ellipsoid or ovoid, in side view ellipsoidal to elliptical; with central germ-pore, 2-2.5 μm diam, wall 1.5 µm thick, strong reddish-brown to blackish in KOH. Basidia 30-38 × 7-11 μm, clavate to subcylindrical, 2- or 4-spored. Cheliocystidia 33-45 × 12-25 μm, subclavate to subglobose, abundant. Pleurocystidia 30-40 × 11-15 μm, cylindrical to clavate, pale brown at the base, rare. Sclerocystidia 90-170 × 4-7 μm, dark brown, with acute apex and bulbous base, wall 1.5-2 μm thick. Clamp connection present.

Specimens examined.

Pakistan, Khyber Pakhtunkhwa Province, Malakand, Kharkai, alt. 460 m, scattered in grassland under herbaceous plants, 10 August 2014, S. Hussain SHP6 (LAH-SHP-6), 10 August 2014, S. Hussain SHP7 (LAH-SHP-7), Malakand, Qaldara 10 August 2014, S. Hussain SHP11 (LAH-SHP-11); Khyber Pukhtunkhwa Province, Swat, Kanju Township, alt. 1023 m, 27 July 2017, S. Hussain SHP34 (SWAT SHP-34).