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Amanita umbrinolutea (aff.) (Gillet) Bataille
Sichuan: Xiangcheng Xian. Sichuan-Yunnan border area. North side of Daxue Shan between Zhongdian and Xiangcheng. Mixed Abies-Larix-Picea-Juniperus forest with large Rhododendron and open talus slopes and meadows. 28°35'38"N, 99°50'49"E; 4100-4300 m.
On ground in forest of Abies and Rhododendron at 4000 m. Pileus 5-6 cm in diam., first dull (dark) brown, then brown to brownish, disc brownish gray to darker; at inner end of striations on pileal margin with a dark brown or blackish zone. Lamellae free, white to grayish; edge grayish to brownish. Stipe 9-11 x 1-1.5 cm, dirty white to brownish or grayish, densely covered with brown to grayish brown squamules. Context white, unchanging. Volva 4-5 x 2-2.5 cm, thin, outer surface gray with brownish tinge; inner surface dirty white to grayish or brownish. With line drawings.
Zhu-Liang YANG
2475 27 July 1998

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