Hypotrachyna yunnana Xin Y.Wang & Li S.Wang, 2020

Wang, Xin Yu, Zhang, Yan Yun, Liu, Dong, Li, Li Juan, Yang, Mei Xia, Yin, An Cheng & Wang, Li Song, 2020, Taxonomic study of Hypotrachyna subg. Everniastrum (Hale ex Sipman) Divakar, A. Crespo, Sipman, Elix & Lumbsch (Ascomycota) from China, Cryptogamie, Mycologie 20 (12), pp. 193-209 : 205

14. Hypotrachyna yunnana Xin Y.Wang & Li S.Wang , sp. nov.

( Fig. 6 )

MYCOBANK NUMBER. — MB 832374.

ETYMOLOGY. — The epithet “ yunnana ” refers to the type locality, Yunnan Province.

DIAGNOSIS. — This species is unique in its thick and wide lobes, which are up to 5 mm wide. The lobe upper surface is covered with bundles of cilia, the margin of lobes usually shows a thick black rim covered with dense, short, shrubby, and dichotomously branched cilia, and the lower surface is covered with simple or branched rhizines.

TYPE. — China, Yunnan Prov., Nanjian Co., Wuliang Medicine Valley; 24°52’2.76”N, 100°34’51.39”E; 2348 m, on Vaccinium bark; 19.XII.2012; L. S. Wang 12-37635 (holo-, KUN [ KUN]).

ECOLOGY AND DISTRIBUTION. — This species is found in Yunnan only, mainly in the northwest, growing on bark of Abies, Pinus, Vaccinium or sometimes on soil over rock, at elevations of 2200 - 3100 m.

SELECTED SPECIMENS EXAMINED. — China, Yunnan Prov., Nanjian Co., Wuliangshan Mt; 24°45.213’N, 100°30.131’E; 2340 m,

on bark; 22.III.2012; L. S. Wang 12-33039. Nanjian Co., Fenghuang Mt; 24°53’43.60”N, 100°19’52.22”E; 2360 m, on Vaccinium bark; 14.VI.2012; L. S. Wang 12-34276. Dali Co., Cangshan Mt; 25°41.111’N, 100°06.244’E; 3410 m, on soil over rock; 14.VIII.2011; L. S. Wang 11-32263. Gongshan Co., Yeniu Valley; 27°48.045’N, 98°49.518’E; 2950 m, on Abies bark; 30.V.2000; L. S.Wang 00-19359.

Figures

FIG. 6. — Hypotrachyna yunnana Xin Y.Wang & Li S.Wang, sp. nov.: A, thallus with wide lobes; B, bundled cilia on the upper surface; C, dense short cilia on the margin of the lower surface. Scale bars: A, 1 cm; B, C, 1 mm.