The Macaronesian liverwort Riccia boumanii Dirkse, Losada & M.Stech (Marchantiophyta: Ricciaceae) confirmed new to Asia by morphological and molecular evidence

被引：5
作者：
Xiang, You-Liang [1 ]
Ma, Xiao-Ying [1 ]
Shen, Chao [1 ]
Lu, Shi-Hui [1 ]
Huang, Wen-Zhuan [1 ]
Tian, Gui-Quan [2 ]
Zhu, Rui-Liang [1 ,3 ]
机构：
[1] East China Normal Univ, Sch Life Sci, Bryol Lab, 500 Dongchuan Rd, Shanghai 200241, Peoples R China
[2] Inner Mongolia Normal Univ, Coll Life Sci & Technol, Hohhot 010022, Peoples R China
[3] East China Normal Univ, Shanghai Key Lab Urban Ecol Proc & Ecorestorat, Tiantong Natl Stn Forest Ecosyst, 500 Dongchuan Rd, Shanghai 200241, Peoples R China
来源：
CRYPTOGAMIE BRYOLOGIE | 2022年 / 43卷 / 14期
基金：
中国国家自然科学基金;
关键词：
China; disjunct distribution; Eurasian distribution; liverworts; Marchantiales; p-distances; GENUS;
D O I：
10.5252/cryptogamie-bryologie2022v43a14
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Riccia L. is the largest genus of complex thalloid liverworts with over 250 species currently accepted. Riccia boumanii Dirkse, Losada & M.Stech (Ricciaceae) has been considered to be endemic to the Canary Islands, Spain. Morphological evidence and molecular-phylogenetic analyses based on sequences of nuclear ribosomal ITS2, plastid rbcL, and plastid trnL-F confirm that this species occurs in Gansu and Sichuan, China. Riccia boumanii represents the first species of section Pilifer Volk of the genus in Asia. The low values of p-distances (0% for trnL-F-region, and 1.6% for ITS2-region) reveal that R. boumanii bears a low level of divergence. Micrographs, a distribution map and descriptions based on the Chinese plants are provided. The range extension of Riccia boumanii suggests that more taxa of Riccia may have a wider distribution.
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收藏
页码：201 / 209
页数：9
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