A preliminary report on soil dematiaceous hyphomycetes from the three river gorge regions in eastern Tibet
Myrothecium roridum Tode: Fr., Syst. Mycol. 3: 217, 1829.
Isolated from samples: XZ11, brown soil under shrubs on a mountainous slope, Baxoi, altitude 3700m, HSAUP061050; XZ13, highland barley farmland soil, Baxoi, altitude 3640m, HSAUP061053; XZ16, alpine meadow soil, Gyamda, altitude 3090m, HSAUP061169; XZ9, alpine meadow soil, Bamda（邦达）, altitude 4360m, HSAUP061191.
Paecilomyces lilacinus (Thom) Samson. Stud. Mycol. Barn 6: 119, 1974.
≡Penicillium lilacinum Thom, Bulletin of the U. S. Department of Agriculture, Bureau Animal Industry 118: 73, 1910.
Isolated from sample XZ83, grassland soil, near Basumtso, Nyingchi, altitude 3400m, HSAUP061116.
Scopulariopsis brumptii Salvant-Duval, These. Fac. Pharm. Paris 23: 58, 1935.
≡Masoniella grisea (G. Smith) G. Smith, Trans. Br. Mycol. Soc. 35: 237, 1952.
Isolated from samples: XZ3, forest soil, suburb of Markam, altitude 4200m, HSAUP061058; XZ53, grassland soil, Bomi, altitude 2650m, HSAUP061086.
Scopulariopsis hibernica Aedine Mangan, Trans. Bri. Mycol. Soc. 48 (4): 617, 1965.
Isolated from samples: XZ3, forest soil, suburb of Markam, altitude 4200m, HSAUP061017; XZ12, wetland soil under grass, Baxoi, altitude 3700m, HSAUP061094; XZ10, vegetable garden soil, Baxoi, altitude 3600m, HSAUP061095; XZ53 grassland soil, Bomi, altitude 2650m, HSAUP061098.
Scopulariopsis koningii (Oud.) Vuillemin in Bull. Soc. Mycol. Fr. 27: 143, 1911.
≡Monilia koninggii Oud. In Oudemans & Konging in Arch. néerl. Sci., Sér. 2 (7): 287, 1902.
Isolated from sample XZ83, grassland soil, near Basumtso, Nyingchi, altitude 3400m, HSAUP061018.
Scopulariopsis parvula F. J. Morton & G. Smith, Mycol. Pap. 86: 65, 1963.
Isolated from sample XZ64, forest soil under bamboos, Parlung Zangbo canyon, Nyingchi, altitude 2000m, HSAUP061069.
Scytalidium acidophilum Sigler & Carmichael, Can. J. Microbial 20: 267, 1974. Fig. 2
Colonies compact, dark greyish brown, dark grey in reverse, reaching a diameter of 25mm in 3 weeks on PDA at 25℃, the colonies grow faster at pH 4.5 achieving a diameter of 28-31mm in 3 weeks on PDA at 25℃. Hyphae septate, pale to moderately brown, often fragment to form arthroconidia. Arthroconidia moderately brown to brown, smooth, mostly ellipsoidal, cylindrical or irregular, 0-1-septate, constricted at septum, 7-23 × 4.5-8μm.
Fig. 2 Scytalidium acidophilum Sigler & Carmichael Conidia and conidiogenous cells (ex HSAUP061080).
Isolated from sample XZ24, farmland soil, Gyamda, altitude 3500m, HSAUP061080.
It is a new record to China.
Scytalidium circinatum Singler & C. J. K. Wang, Mycologia 82 (3): 399, 1990. Fig. 3
Colonies felty or lanose, pale to dark grey or dark brown, reaching a diameter of 68-80mm on PDA at 25℃ in 3 weeks. Hyphae septate, hyaline to subhyaline, usually curved, 2-4μm wide. Conidiophores lacking. Conidiogenous cells in the form of smooth, hyaline fertile hyphae, thick-walled up to 1μm thick. Arthroconidia hyaline, square or short-cylindrical, 2-4 × 1.5-2.5μm; Cylindrical when formed from straight hyphae, 3-9 × 1.5-2.5μm.
Isolated from sample XZ81, forest soil, near Basumtso, Nyingchi, altitude 3400m, HSAUP061163.
It is a new record to China.
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