## 2 Materials and Methods
### Molecular Phylogenetic Analyses
\begin{table}
\begin{tabular}{c c c c c c} \hline \hline \multirow{2}{*}{**Taxon**} & \multirow{2}{*}{**Voucher**} & \multirow{2}{*}{**Origin**} & \multicolumn{3}{c}{**GenBank No.**} \\ \cline{3-6}  & & & **nrITS** & **nrLSU** & **mtSSU** \\ \hline _Collema flaccidum_ & **2000120** & China & MW453229.1 & EU982618.1 & EU982578.1 \\ \hline _C. furfurfurceum_ & MA-16260 & Spain & GQ396263.1 & EU982608.1 & EU982567.1 \\ \hline _Leptogium hibernicum_ & Bjelland TB\_RB\_4 & Norway & KX013723.1 & KX013759.1 & KX013684.1 \\ \hline _L. saturninum_ & MA-Lichen 16024 & France & DQ466043.1 & EU982610.1 & KX027281.1 \\ \hline _Lobaria amplissima_ & 1996 Stocker-Worgotter 1717 & Norway: Hordaland & AF524923.1 & AY340546.1 & AY340500.1 \\ \hline _L. pulmonaria_ & Spribille 39,224 (MSC) & USA: Alaska & MN483125.1 & AF183934.2 & AY340503.1 \\ \hline _Nephroma arcticum_ & Goffinet 1310 & USA & AF014109.1 & DQ973040.1 & DQ972989.1 \\ \hline _N. bellum_ & 133 LG 214 & Canada & HQ455058.1 & HQ394180.1 & HQ423261.1 \\ \hline _N. expallidium_ & CONN 9370 & USA & HQ455059.1 & HQ394183.1 & HQ423263.1 \\ \hline _P. manaria conplea_ & O-L-196369 & Norway & MK811685.1 & AY424209.1 & MT068515.1 \\ \hline _P. hookeri_ & MJK3314 & Argentina & MT755913.1 & JX464118.1 & MN634245.1 \\ \hline _P. rubiginosa_ & LG-R1008 & Reunion & KF704259.1 & JX494269.1 & JX494244.1 \\ \hline _Peltigera apththosa_ & & Canada & U73492.1 & AF286759.1 & AY340515.1 \\ \hline _P. leucopllebia_ & Goward 98-C & USA & AF158651.1 & AF286753.1 & AY124166.1 \\ \hline _P. malacea_ & & Canada & U73491.1 & AF286756.1 & MH792883.1 \\ \hline _Pseudosolorina bispora_ & P6109 & Canada: Nunavut & MT522618.1 & MT573442.1 & \\ \hline _P. saccata_ & KL18-0005 & Korea & MK503160.1 & MK506118.1 & MK508904.1 \\ \hline _P. simensis_ 1 & L1045 & France: Reunion Island & MT522616.1 & MK517842.1 & \\ \hline _P. simensis_ 2 & L915 & Rwanda & MT522617.1 & MK517843.1 & \\ \hline _P. spongiosa_ & 08792 (HBG) & Austria: [PERSON] & MZ708642.1 & KJ766495.1 \\ \hline _Posorma cimamomeum_ & O-L-184538 & Norway & MK811978.1 & OL331762.1 & OM103956.1 \\ \hline _P. hypnorum_ & Passo 20 (BCRU 4914) & Argentina & EU885309.1 & AY340565.1 & AY340523.1 \\ \hline _Simuicella denisonii_ & OSC:Stone 10024 & USA: Oregon & NR\_182350.1 & MP942675.1 & MT942641.1 \\ \hline _Solarina crocca_ & P6110 & Finland & MT522619.1 & MT573443.1 & \\ \hline _S. crocca_ 2 & AFTOL-ID 1619 & USA: Durham & DQ973043.1 & \\ \hline _S. crocca_ 3 & McCune 23785 & USA: Chicago & AF286824.1 & \\ \hline _Sticta bautvoisii_ & Lg3303 & USA: NC & KT281725.1 & DQ986769.1 & KT281681.1 \\ \hline _S. weigelii_ & 1997 Stenroos 4816 (TUR) & Guyana & AF524905.1 & EU558794.1 & EU558865.1 \\ \hline _Valhilla leucophone_ & Ekman 3202 (BG) & Norway & AF429266.1 & JX464125.1 & HQ268596.1 \\ \hline _Pseudosolorina bispora_ & **20-66618 (KUN)** & **China: Sichuan** & **PQ627847** & **PQ623371** & **PQ623429** \\ \hline _P. bispora_ & **ZYY-46 (KUN)** & **Austria: Salzburg** & **PQ627812** & & **PQ623428** \\ \hline _P. bispora_ & **24-76716 (KUN)** & **China: Yunnan** & **PQ627820** & & **PQ623414** \\ \hline _P. bispora_ var. _monospora_ & **20-67082 (KUN)** & **China: Qinghai** & PQ627846 & & PQ623427 \\ \hline _P. bispora_ var. _monospora_ & XY20-2943 (KUN) & **China: Qinghai** & PQ627817 & PQ623369 & PQ623425 \\ \hline _P. bispora_ var. _monospora_ & XY20-828 (KUN) & **China: Qinghai** & PQ627816 & PQ623370 & PQ623426 \\ \hline _P. hepatizon_ & **17-55094 (KUN)** & **China: Yunnan** & **PQ627849** & **PQ623379** & **PQ623444** \\ \hline _P. hepatizon_ & **23-75286 (KUN)** & **China: Yunnan** & **PQ627835** & **PQ623378** & **PQ623443** \\ \hline _P. parmigera_ & **19-62636 (KUN)** & **China: Yunnan** & **PQ627850** & & **PQ623437** \\ \hline \hline \end{tabular}
\end{table} 
Table 1: Taxon sampling and mycobiont data with corresponding GenBank numbers used in phylogenetic analyses of Peltigerales. Sequences newly acquired for _Solarina_ and _Pseudosolorina_ are indicated in bold.