Taxonomic revision of Muhlenbergia (Poaceae, Chloridoideae , Cynodonteae, Muhlenbergiinae) in Central America: phylogeny and classification

被引：0
|
作者：
Peterson, Paul M. [1 ]
Arrieta, Yolanda Herrera [2 ]
Cabezas, Silvia Lobo [3 ]
Romaschenko, Konstantin [1 ]
机构：
[1] Smithsonian Inst, Dept Bot MRC 166, Natl Museum Nat Hist, Washington, DC 20013 USA
[2] Inst Politecn Nacl, CIIDIR Unidad Durango COFAA, Durango 34220, Mexico
[3] Museo Nacl Costa Rica, Herbario Nacl, Apartado Postal 749-1000, San Jose, Costa Rica
来源：
PHYTOKEYS | 2023年 / 230期
关键词：
Central America; classification; ITS; lectotypification; Muhlenbergia; phyloge-ny; plastid DNA sequences; Poaceae; systematics; taxonomy; MEXICAN GRASSES; C-4; GRASSES;
D O I：
10.3897/phytokeys.230.103882
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A taxonomic treatment of 38 species of Muhlenbergia, a phylogeny based on analysis of six DNA sequence markers, and classification of Muhlenbergia for Central America (Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama; and Campeche, Chiapas, Quintana Roo, Tabasco, and Yucatan, Mexico) is given. With the support from a molecular phylogeny we describe Muhlenbergia subg. Ramulosae subgen. nov. In our treatment we place M. gigantea (younger name) as a synonym of M. mutica. Lectotypes are designated for the names Agrostis microsperma Lag., Epicampes gigantea E. Fourn., Lamarckia tenella DC., Muhlenbergia adspersa Trin., M. diversiglumis Trin., M. exilis E. Fourn., M. flabellata Mez, M. setarioides E. Fourn., Pereilema ciliatum E. Fourn., P. crinitum var. cirratum E. Fourn., Podosemum ciliatum Kunth, P. tenuissimum J. Presl, and Schellingia tenera Steud.
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页码：1 / 106
页数：106
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