A phylogeny of species near Agrostis supporting the recognition of two new genera, Agrostula and Alpagrostis (Poaceae, Pooideae, Agrostidinae) from Europe Author Peterson, Paul M. Department of Botany MRC- 166, National Museum of Natural History, Smithsonian Institution, Washington DC 20013 - 7012, USA https://orcid.org/0000-0001-9405-5528 peterson@si.edu Author Sylvester, Steven P. College of Biology and the Environment, Nanjing Forestry University, Long Pan Road No. 159, Nanjing, 210037, China https://orcid.org/0000-0001-5577-8782 Author Romaschenko, Konstantin Department of Botany MRC- 166, National Museum of Natural History, Smithsonian Institution, Washington DC 20013 - 7012, USA Author Soreng, Robert J. Department of Botany MRC- 166, National Museum of Natural History, Smithsonian Institution, Washington DC 20013 - 7012, USA https://orcid.org/0000-0002-8358-4915 Author Barbera, Patricia Department of Africa and Madagascar, Missouri Botanical Garden, St. Louis, Missouri 63110 - 2291, USA Author Quintanar, Alejandro Herbarium MA, Unidad de Herbarios, Real Jardin Botanico, Consejo Superior de Investigaciones Cientificas, 28014, Madrid, Spain Author Aedo, Carlos Department of Biodiversity and Conservation, Real Jardin Botanico, Consejo Superior de Investigaciones Cientificas, 28014, Madrid, Spain text PhytoKeys 2020 167 57 82 http://dx.doi.org/10.3897/phytokeys.167.55171 journal article http://dx.doi.org/10.3897/phytokeys.167.55171 1314-2003-167-57 3C4F70F605B8522EA5A3AE455CAA7632

Table 2. Characteristics of rps16-trnK, rps16 intron, rpl32-trnL, and ITS, and parameters used in Bayesian analyses indicated by Akaike Information Criterion (AIC).

	rps16-trnK	rps16 intron	rpl32-trnL	Combined plastid data	ITS	Overall
Total aligned characters	738	845	904	2487	712	3199
Number of sequences	41	40	47	128	48	176
Likelihood score (-ln L)	1259.16	1449.21	1888.70		1989.55
Number of substitution types	6	6	6	-	6	-
Model for among-sites rate variation	gamma	gamma	gamma	-	gamma	-
Substitution rates
rAC	2.44683	2.33760	1.03926	-	0.78611	-
rAG	2.12801	1.84060	0.64852		2.03233
rAT	0.11415	0.31850	0.20833		1.27811
rCG	1.41016	0.78529	0.73967		0.31482
rCT	2.47892	2.54521	0.97480		5.07499
rGT	1.00000	1.00000	1.00000		1.00000
Character state frequencies
fA	0.28602	0.35597	0.36767	-	0.22141	-
fC	0.16385	0.15120	0.14893		0.29792
fG	0.16537	0.18750	0.13618		0.29123
fT	0.38477	0.30534	0.34722		0.18944
Proportion of invariable sites	0.37013	0.1041	0.36504	-	0.30563	-
Substitution model	TVM+G	GTR+I+G	GTR+G	-	GTR+I+G	-
Gamma shape parameter (α)	0.90138	0.45913	0.83500	-	0.38018	-