蒙古国小石藓属(丛藓科)一新记录种——东亚小石藓  

A new record of Pottiaceae from Mongolia: Weissia exserta(Broth.) P.C. Chen.

作　　者：乌吉斯古楞 TSEGMED Tsogiin ENKHJARGAL Enkhtaivan 白学良[1] 赵东平[1] WUJISIGULENG;TSEGMED Tsogiin;ENKHJARGAL Enkhtaivan;BAI Xueliang;ZHAO Dongping(Key Laboratory of Herbage and Endemic Crop Biotechnology,School of Life Sciences,Inner Mongolia University,Hohhot 010070,China;Institute of General and Experimental Biology,Mongolian Academy of Sciences,Ulaanbaatar 13330,Mongolia)

机构地区：[1]牧草与特色作物生物技术教育部重点实验室,内蒙古大学生命科学学院,呼和浩特010070 [2]蒙古国科学院综合与实验生物学研究所,乌兰巴托13330

出　　处：《华中师范大学学报（自然科学版）》2020年第1期70-73,共4页Journal of Central China Normal University：Natural Sciences

基　　金：国家自然科学基金项目(31660050);内蒙古自治区自然科学基金项目(2018MS03069)

摘　　要：报道了小石藓属蒙古国新记录种-东亚小石藓(Weissia exserta),并提供了该种详细的形态特征描述,显微彩图和区系地理分布的讨论.该种主要分布于中国和日本,其主要特征是蒴柄伸出雌苞叶,孢蒴长圆形或椭圆形,闭蒴,环带分化,无蒴齿,蒴盖稍分化.The rare moss Weissia exserta(Broth.) P.C. Chen., formerly known from China and Japan,is reported form Khentei Mountains of Mongolia. Distinctive features of this Weissia species are the exserted seta, the oblong-elliptic and cleistocarpous capsules,the presence of annulus, the absence of peristome teeth, and the weakly differentiated operculum. Description, illustration, distribution data and discussion are provided.

关 键 词：东亚小石藓 丛藓科 小石藓属 新记录 蒙古国 

分 类 号：Q949.352.3[生物学—植物学]