Table S1Molecular identification of 40endolichenic fungal taxa(representativeisolates of each taxa) in theNy-ÅlesundRegion.

Taxon / Isolate No / Accession No. in CPCC / Accession No. in NCBI / Closest relatedtaxa (Accession no.) / Query/reference ITS length (similarity %)
Alternariaalternata / I15F-00345 / CPCC 400696 / ITS / KR004840 / Alternariaalternata (JX406501) / 524/526(99%)
LSU / KX099045 / Alternariaalternata(KJ443115) / 746/748(99%)
Apiosordaria sp. / I15F-00310 / CPCC 400703 / ITS / KR004900 / Apiosordariaotanii (GQ922524) / 499/523(95%)
LSU / KX099027 / Immersiella caudate(AY436407) / 719/743(97%)
Chaetomiumglobosum / I15F-00338 / CPCC 400706 / ITS / KR004854 / Chaetomiumglobosum (EU818701) / 531/533(99%)
LSU / KX099042 / Chaetomiumsp. (KP671732) / 750/752(99%)
Cladophialophoraminutissima / I15F-00319 / CPCC 400682 / ITS / KR004894 / Cladophialophoraminutissima (EF0163872) / 521/527(99%)
LSU / KX099032 / Cladophialophoraminutissima(KJ636047) / 712/714(99%)
Coniochaeta sp.1 / I15F-00350 / CPCC 400675 / ITS / KR004922 / Coniochaeta sp. (KP117278) / 514/521(99%)
LSU / KX099046 / Coniochaetasp. (JX507630) / 747/751(99%)
Coniochaeta sp.2 / I15F-00320 / CPCC 400705 / ITS / KR004849 / Coniochaetasp. (KF128810) / 503/516(97%)
LSU / KX099033 / Coniochaeta sp. (JX535134) / 747/752(99%)
Coniochaeta sp.3 / I15F-00369 / CPCC 400699 / ITS / KR004885 / Coniochaetasp. (HQ637296) / 507/530(96%)
LSU / KX099054 / Coniochaetasp. (JX535134) / 760/764(99%)
Coniochaeta sp.4 / I15F-00332 / CPCC 400668 / ITS / KR004841 / Coniochaeta sp. (HM595513) / 525/529(99%)
LSU / KX099038 / Coniochaetasp. (JX535134) / 754/758(99%)
Coniochaetahoffmannii / I15F-00351 / CPCC 400673 / ITS / KR004919 / Coniochaetahoffmannii(HQ414607) / 516/517(99%)
LSU / KX099047 / Coniochaetasp. (JX535134) / 750/753(99%)
Coniochaetaceae sp.1 / I15F-00334 / CPCC 400669 / ITS / KR004842 / Coniochaetaceae sp. (EU082785) / 495/521(95%)
LSU / KX099040 / Coniochaetasp. (JX535134) / 743/745(99%)
Coniochaetaceae sp.2 / I15F-00316 / CPCC 400697 / ITS / KR004876 / Coniochaetaceae sp. (EU082785) / 487/521(95%)
LSU / KX099029 / Coniochaetasp. (JX535134) / 744/747(99%)
Cystobasidiumlaryngis / I15F-00322 / CPCC 400708 / ITS / KR004864 / Cystobasidiumlaryngis (EU149811) / 534/537(99%)
LSU / KX099034 / Uncultured Termitomyces (AB081118) / 758/764(99%)
Cystobasidiumpsychroaquaticum / I15F-00376 / CPCC 400683 / ITS / KR004827 / Cystobasidiumpsychroaquaticum(FN868153) / 528/531(99%)
LSU / KX099057 / Uncultured Termitomyces(AB081118) / 744/760(98%)
Daldinialoculata / I15F-00355 / CPCC 400693 / ITS / KR004913 / Daldinialoculata(EF026145) / 528/531(99%)
LSU / KX099050 / Xylariaceae sp. (JQ862642) / 728/736(99%)
Dothideales sp. / I15F-00379 / CPCC 400679 / ITS / KR004851 / Aureobasidium sp.(KJ690089) / 461/534(86%)
LSU / KX099058 / Dothideales sp.(JX535091) / 754/772(98%)
Exophialamoniliae / I15F-00302 / CPCC 400685 / ITS / KR004934 / Exophialamoniliae(HE605213) / 593/597(99%)
LSU / KX099025 / Exophialasp.(AB701675) / 715/723(99%)
Fungus sp. / I15F-00327 / CPCC 400686 / ITS / KR004937 / Fungal sp. (JX852323) / 812/847(96%)
LSU / KX099036 / Saccharomycescerevisiae(CP006468) / 553/660(84%)
Godroniasp. / I15F-02012 / CPCC 400687 / ITS / KR004938 / Godroniacassandrae (KC595271) / 470/478(98%)
LSU / KX099064 / Godroniaurceolus (EU754164) / 1082/1092(99%)
Helotiales sp.1 / I15F-00341 / CPCC 400692 / ITS / KR004917 / Helotiales sp. (JX852359) / 492/516(95%)
LSU / KX099043 / Helotiales sp. (JX507673) / 783/797(99%)
Helotiales sp.2 / I15F-00391 / CPCC 400704 / ITS / KR004903 / Helotiales sp. (JQ715702) / 470/477(99%)
LSU / KX099063 / Crocicreassp. (JQ768393) / 752/757(99%)
Hyaloscypha sp. / I15F-00368 / CPCC 400700 / ITS / KR004886 / Hyaloscypha sp. (KC790474) / 503/507(99%)
LSU / KX099053 / Helotiales sp.(JX507673) / 747/761(98%)
Hypocreales sp. / I15F-00374 / CPCC 400684 / ITS / KR004828 / Uncultured fungus clone (KC965446) / 518/522(99%)
LSU / KX099056 / Emericellopsisalkaline (KC987238) / 744/757(98%)
Isariafumosorosea / I15F-00367 / CPCC 400678 / ITS / KR004931 / Isariafumosorosea (KF876832) / 542/542(100%)
LSU / KX099052 / Isariafarinosa(KC510277) / 755/764(99%)
Lasiosphaeriaceae sp. / I15F-00385 / CPCC 400701 / ITS / KR004889 / Schizotheciumglutinans(AY999116) / 499/531(94%)
LSU / KX099061 / Arniumarizonense(KF557668) / 748/754(99%)
Lecanorales sp. / I15F-00337 / CPCC 400670 / ITS / KR004843 / Miriquidicasp. (KF024743) / 452/486(93%)
LSU / KX099041 / Umbilicariaflocculosa(JQ739987) / 746/750(99%)
Peziza sp. / I15F-02013 / CPCC 400695 / ITS / KR004835 / Peziza sp. (AF491609) / 552/566(98%)
LSU / KX099065 / Pezizavesiculosa (NG027570) / 717/722(99%)
Phaeosphaeria sp. / I15F-00323 / CPCC 400707 / ITS / KR004861 / Phaeosphaeria clone (KF660565) / 523/527(99%)
LSU / KX099035 / Pleosporales sp. (JX507679) / 761/762(99%)
Phialocephalalagerbergii / I15F-00314 / CPCC 400688 / ITS / KR004939 / Phialocephalalagerbergii (AB752265) / 536/537(99%)
LSU / KX099028 / Helotiales sp. (KF636777) / 756/759(99%)
Podosporasp. / I15F-00307 / CPCC 400689 / ITS / KR004925 / Podosporatetraspora(GQ922572) / 493/502(98%)
LSU / KX099026 / Podosporafibrinocaudata (AY780074) / 739/746(99%)
Preussiaintermedia / I15F-00331 / CPCC 400672 / ITS / KR004846 / Preussiaintermedia (KF871451) / 486/488(99%)
LSU / KX099037 / Pleosporales sp. (JX535137) / 754/758(99%)
Pseudeurotium sp. / I15F-00317 / CPCC 400698 / ITS / KR004878 / Pseudeurotium sp. (JN835211) / 496/503(99%)
LSU / KX099030 / Psdudeurotiumhygrophilum (JQ780654) / 750/753(99%)
Pseudogymnoascusroseus / I15F-00381 / CPCC 400676 / ITS / KR004836 / Pseudogymnoascusroseus (FJ590607) / 517/522(99%)
LSU / KX099060 / Pseudeurotiumhygrophilum (JQ780654) / 744/748(99%)
Sarocladiumkiliense / I15F-00333 / CPCC 400671 / ITS / KR004844 / Sarocladiumkiliense (KT878333) / 536/541(99%)
LSU / KX099039 / Sarocladium sp. (KC987243) / 764/766(99%)
Sordariales sp. / I15F-00388 / CPCC 400690 / ITS / KR004926 / Sordariales sp. (AB746927) / 441/486(91%)
LSU / KX099062 / Arniumarizonense (KF557668) / 752/761(99%)
Sporidiobolales sp. / I15F-00353 / CPCC 400702 / ITS / KR004892 / Sporidiobolales clone (FJ553238) / 532/575(93%)
LSU / KX099049 / Glaciozymaantarctica (DQ785787) / 761/765(99%)
Thelebolusmicrosporus / I15F-00352 / CPCC 400674 / ITS / KR004921 / Thelebolusmicrosporus(KM822751) / 492/493(99%)
LSU / KX099048 / Thelobolusellipsoideus (FJ176895) / 707/708(99%)
Tolypocladiumcylindrosporum / I15F-00342 / CPCC 400691 / ITS / KR004915 / Tolypocladiumcylindrosporum (FJ025173) / 510/511(99%)
LSU / KX099044 / Cordycepssinensis(AB067710) / 748/751(99%)
Tolypocladium sp. / I15F-00318 / CPCC 400681 / ITS / KR004893 / Tolypocladium sp. (KF753817) / 485/500(97%)
LSU / KX099031 / Cordycepssinensis(AB067710) / 746/753(99%)
Tremella sp. / I15F-00380 / CPCC 400680 / ITS / KR004852 / Tremella sp. (AY188379) / 417/434(96%)
LSU / KX099059 / Tremellamesenterica(FJ644525) / 754/759 (99%)
Varicosporiumelodeae / I15F-00372 / CPCC 400677 / ITS / KR004866 / Varicosporiumelodeae(JX981463) / 493/499(99%)
LSU / KX099055 / Articulosporatetracladia (KP234384) / 757/759(99%)

Table S2Isolate numbers and RF%of endolichenic fungi from the 17 lichen speciesin the Ny-Ålesund Region.

Taxon / A.molybdina / A.alpicola / C.delisei / C.borealis / C.arbuscula / C.pocillum / F.nivalis / O.frigida / P.canina / P.asperellum / P.pubescens / S.alpinum / S.botrysoum / S.vesuvianum / U.aprina / U.arctica / U.torresfacta
Alternariaalternata / 1(4%)
Apiosordaria sp. / 1(4%)
Chaetomiumglobosum / 1(25%)
Cladophialophoraminutissima / 1(17%) / 1(4%)
Coniochaeta sp.1 / 1(3%) / 2(9%) / 1(8%) / 1(4%)
Coniochaeta sp.2 / 1(3%) / 2(100%) / 2(50%)
Coniochaetasp.3 / 1(4%)
Coniochaetasp.4 / 2(18%) / 23(64%) / 1(4%) / 2(17%)
Coniochaetahoffmannii / 1(3%) / 1(4%) / 2(8%) / 2(7%) / 1(25%)
Coniochaetaceae sp.1 / 3(27%)
Coniochaetaceae sp.2 / 1(4%) / 2(7%)
Cystobasidiumlaryngis / 1(7%)
Cystobasidiumpsychroaquaticum / 1(4%)
Daldinialoculata / 2(33%)
Dothideales sp. / 1(17%)
Exophialamoniliae / 1(4%)
Fungus sp. / 9(36%)
Godroniasp. / 1(50%)
Helotiales sp.1 / 1(3%)
Helotiales sp.2 / 3(11%)
Hyaloscypha sp. / 16(59%)
Hypocreales sp. / 2(8%)
Isariafumosorosea / 1(4%)
Lasiosphaeriaceae sp. / 1(4%)
Lecanorales sp. / 1(9%) / 1(20%)
Peziza sp. / 1(4%)
Phaeosphaeria sp. / 1(7%)
Phialocephalalagerbergii / 1(50%) / 2(8%)
Podosporasp. / 1(25%)
Preussiaintermedia / 1(9%) / 1(25%)
Pseudeurotium sp. / 1(4%) / 4(15%)
Pseudogymnoascusroseus / 1(4%)
Sarocladiumkiliense / 4(36%) / 14(61%) / 5(13%) / 2(33%) / 2(8%) / 2(13%) / 4(80%)
Sordariales sp. / 1(25%)
Sporidiobolales sp. / 1(4%)
Thelebolusmicrosporus / 11(31%) / 2(33%) / 4(100%) / 10(40%) / 1(25%) / 31(79%) / 2(33%) / 9(75%) / 12(46%) / 11(73%)
Tolypocladiumcylindrosporum / 1(3%)
Tolypocladium sp. / 1(17%)
Tremella sp. / 1(17%)
Varicosporiumelodeae / 3(13%)