中文摘要：

报道采自内蒙古自治区赤峰市及呼伦贝尔市等地的伞菌和牛肝菌4目24科65属201种,其中包括86种食用菌,24种药用菌和23种有毒种类,其他为经济价值尚不明确的种。其中有8种为本地区分布的中国新记录种,即大孢锥盖伞Conocybe macrospora（G.F.Atk.）Hauskn.、卡西米尔丝膜菌Cortinarius casimiri（Velen.）Huijsman、棕黑丝膜菌C.diasemospermus Lamoure、黏膜丝膜菌C.mucosus（Bull.）J.Kickx f.、假变形丝膜菌C.pseudotalus Rob.Henry、美柄丝膜菌C.venustus P.Karst.、春丝膜菌C.vernus H.Lindstr.＆Melot和黄棕丝盖伞Inocybe fuscidula Velen.,并首次在该地区发现松口蘑Tricholoma matsutake（S.Ito＆S.Imai）Singer。

英文摘要：

Among 4 orders, 24 families, 65 genera, 201 species of agarics and boletoid fungi col- lected from Chifeng and Hulun Buir areas of eastern Inner Mongolia , 86 species are edible, 24 spe- cies are medicinal, 23 species are poisonous and other species are unknown. 8 species are new to China, including Conocybe macrospora （ G.F. Atk. ） Hauskn., Cortinarius casimiri （ Velen. ） Huijs- man, C. diasemospermus Lamoure, C. mucosus （ Bull. ） J. Kickx f., C. pseudotalus Rob. Henry, C. venustus P. Karst. and C. vernus H. Lindstr. ＆ Melot. and Inocybe fuscidula Velen. Tricholoma mat- sutake （S. Ito ＆ S. Imai） Singer was discovered in this area for the first time.