Phylogeny of Merlin’s grass (Isoetaceae): revealing an “Amborella syndrome” and the importance of geographic distribution for understanding current and historical diversity

Table 1 Data description and model specification

Markers	Samples*	Length (bp)	Variable characters (bp)*	Substitution model, maximum likelihood	Substitution model, Bayesian analyses
ndhC-ndhK	89(77)	1458	643(153)	TIM + I	GTR + I
rbcL	128(109)	1428	634(119)	TIMe + I + Γ	SYM + I + Γ
rpoC1	129(110)	3334	2249(391)	SYM + I + Γ	SYM + I + Γ
trnV^UCA	104(99)	1313	399(245)	K3Pu + Γ	GTR + Γ
ycf1	129(110)	6538	4896(756)	TVMe I + Γ	SYM + I + Γ
ycf66	96(91)	1498	482(196)	HKY + Γ	HKY + Γ
Plastid markers^†	132(113)	15,569	9303(1860)	TVMe I + Γ; GTR + I + Γ	SYM + I + Γ; GTR + I + Γ
Nuclear ITS	–(105)	783	–(372)	TPM3 + Γ	GTR + Γ
Total^‡	130(111)	16,352	9675(2232)	TPM3 + Γ; GTR + I + Γ	GTR + Γ; GTR + I + Γ

*Values are given for the total dataset and (for Isoetes only). ^†Two partitions (ycf1; remaining plastid regions). ^‡Two partitions (nuclear; plastid)

ISSN: 2730-7182