Table 1 Specimens sequenced or downloaded from GenBank. Sequences generated for this study are marked in bold

Amaurodon aquicoeruleus

UK452

Australia:3.7 km east of Brockman highway

AM490944

AM490944

–

A. viridis

KHLarsson14947b

Norway

MK602707

MK602707

–

Hydnellum atrospinosum

Yuan 6514

China

MW579940

MW579886

–

H. aurantiacum

EBendiksen 177-07

Norway

MK602712

MK602712

–

H. auratile

J Nitare 110,926

Sweden

MK602716

MK602716

–

H. bomiense

Yuan 13,759

China

MW579941

MW579887

OK254206

H. brunneorubrum

Yuan14668

China

MW579945

MW579890

OK254218

H. caeruleum

EBendiksen 584-11

Norway

MK602719

MK602719

–

H. chrysinum

SC071

–

KJ534291

–

–

H. coactum

Shi181

China

MN846279

MN846288

–

H. concrescens

REB-385

USA

JN135182

–

KF007964

H. cristatum

REB-169

USA: NC, GSMNP, Deep Creek

JN135174

–

KF007958

H. cumulatum

REB-342

USA: CT, Bigelow Hollow State Park

AY569026

–

–

H. diabolus

KAH13873

Canada

AF351863

–

–

H. dianthifolium

ML61211HY

Cyprus

KX619419

–

–

H. earlianum

REB-375

USA: TN, GSMNP, Gregory Ridge Tr

JN135179

–

KF007962

H. edulium

SAAS 2727

China: Sichuan Province

OK636093

OP407675

OP434358

H. edulium

SAAS 2870

China: Sichuan Province

OK636094

OP407676

OP434359

H. edulium

SAAS 2920

China: Yunnan Province

OP437910

OP407677

OP434360

H. fagiscabrosum

GB-0195621

Sweden

MW144293

MW144293

–

H. fennicum

SWesterberg 110,909

Sweden

MK602739

MK602739

–

H. ferrugineum

ELarsson 356-16

Sweden

MK602721

MK602721

–

H. ferrugipes

REB-68

USA: NC, GSMNP, Smokemont Loop Tr

JN135176

–

KF007955

H. fibulatum

Yuan14646

China

MW579957

–

–

H. fuligineoviolaceum

BNylen130918

Sweden

MK602741

MK602741

–

H. fuscoindicum

OSC 113622

USA

EU669228

EU669278

–

H. geogenium

AFTOL-ID 680

Norway

DQ218304

AY631900

DQ408133

H. glaucopum

Edvinson110926

Sweden

MK602745

MK602745

–

H. gracilipes

GB-0113779

Sweden

MK602727

MK602727

–

H. granulosum

Yuan12213a

China

MW579948

MW579893

OK254213

H. grosselepidotum

Wei8120

China

MN846274

MN846283

–

H. grosselepidotum

SAAS2472

China

OP437911

–

–

H. illudens

SAAS 3830

China: Sichuan Province

OP437912

OP407678

OP434361

H. illudens

SAAS 3838

China: Sichuan Province

OP437913

OP407679

OP434362

H. illudens

SAAS 3844

China: Sichuan Province

OP437914

OP407680

OP434363

H. illudens

GB0195655

Sweden

MW144351

MW144351

–

H. inflatum

Wang80

China

MW579949

MW579894

OK254210

H. joeides

Nitare110829

Sweden

MK602751

MK602751

–

H. lepidum

JNitare110829

Sweden

MK602754

MK602754

–

H. lidongensis

Wei 8365

China: Yunnan Province

MN846280

MN846289

–

H. lidongensis

SAAS 2435

China: Yunnan Province

OP437915

OP407681

OP434364

H. lidongensis

Cui 18,460

China: Tibet

OP437916

–

–

H. lundellii

OF295814

Norway

MK602760

MK602760

–

H. martioflavum

OF242872

Norway

MK602761

MK602761

–

H. martioflavum

SAAS 2667

China: Sichuan Province

OP437917

–

OP434365

H. martioflavum

SAAS 2674

China: Sichuan Province

OP437918

–

–

H. mirabile

RG Carlsson 11–119

Sweden

MK602728

MK602728

–

H. nemorosum

GB-0195631

Sweden

MW144373

MW144373

–

H. parvum

REB-131

USA

JN135187

–

–

H. peckii

Yuan13720

China

MW579967

MW579906

OK254215

H. piperatum

REB-304

USA: NC, GRSM, Goldmine Tr

KC571723

–

KF007961

H. rubidofuscum

Yuan14654

China

MW579953

MW579898

OK254209

H. scabrosellum

GB-0195792

Sweden

MW144380

MW144380

–

H. scabrosellum

GB-0195807

Sweden

MW144381

MW144381

–

H. scabrosum

OF292320

Norway

MK602766

MK602766

–

H. scrobiculatum

REB-78

USA

JN135181

–

–

H. sp.

SAAS 3824

China: Sichuan Province

OK636119

–

OP434357

H. spongiosipes

REB-107

USA: NC, Standing Indian Campground in Nantahala NF

KC571743

–

KF007957

H. squamulosum

Yuan 13,625

China

MW579956

MW579899

OK254204

H. suaveolens

E Larsson 139-09

Norway

MK602734

MK602734

–

H. subalpinum

SAAS 2778

China: Sichuan Province

OP437919

OP407685

OP434369

H. subalpinum

SAAS 2884

China: Sichuan Province

OP437920

OP407686

OP434370

H. subalpinum

SAAS 2923

China: Sichuan Province

OP437921

OP407687

OP434371

H. subalpinum

SAAS 2961

China: Sichuan Province

OP437922

OP407688

OP434372

H. subscabrosellum

SAAS 3516

China: Sichuan Province

OK636118

OP407682

OP434366

H. subscabrosellum

SAAS 3833

China: Sichuan Province

OK636110

OP407683

OP434367

H. subscabrosellum

SAAS 3842

China: Sichuan Province

OK636111

OP407684

OP434368

H. subsuccosum

REB-10

USA: NC, Coweeta Hydrological Station, Nantahala, NF

JN135178

–

KF007954

H. sulcatum

Yuan 14,521

China

MW579961

MW579902

OK254202

H. underwoodii

REB-358

USA: TN, GSMNP, Curry Mountain Tr

JN135189

–

–

H. versipelle

RGCarlsson13-057

Sweden

MK602771

–

MK602771

H. versipelle

SAAS 2841

China: Sichuan Province

OP437923

OP407689

OP434373

H. versipelle

SAAS 2905

China: Sichuan Province

OP437924

OP407690

OP434373

H. yunnanense

Yuan14396

China

MW579963

MW579904

OK254200

Neosarcodon atroviridis

REB 109

USA: NC, Hidden Falls Tr in Nantahala NF

KC571769

–

KF007966

N. bairdii

Vasco 990

Colombia

KR698938

–

–

N. colombiensis

Vasco 2084

Colombia

KP972654

–

–

N. pakaraimensis

T Henkel 9554

Guyana: Region 7 Cuyuni-Mazaruni, Pakaraima Mountains

KM668103

–

–

N. pakaraimensis

TH9513

Guyana

KC155390

–

–

N. pallidogriseus

Vasco 989

Colombia

KR698939

–

–

N. portoricensis

TG Baroni 8776

Puerto Rico: Canovanas, El Yunque National Forest

KM668100

–

–

N. quercophilus

CFMR BZ-3833

Belize: Toledo-Cayo, Chiquibul National Park, Doyle's Delight

NR137922

–

–

N. rufobrunneus

Vasco 1989

Colombia

KR698937

–

–

N. umbilicatus

CORT:011996

Belize: Toledo-Cayo, Chiquibul National Park, Doyle's Delight

NR137923

–

–

Phellodon atroardesiacus

Cui16951

China

MZ225632

MZ225597

MZ343197

P. cinereofuscus

Cui16962

China

MZ225583

MZ225605

MZ343200

P. griseofuscus

Cui18544

China

OL449265

OL439035

OL449087

P. melaleucus

Cui16242

China

OP863058

OP860999

–

P. perchocolatus

Cui18536

China

OL449260

OL439030

–

P. stramineus

Cui16959

China

MZ225588

NG088236

MZ343204

P. yunnanensis

Cui17129

China

MZ225594

NG088237

MZ343207

S. flavidus

SAAS 3832

China: Sichuan Province

OK636112

OP407699

OP434381

S. flavidus

SAAS 3923

China, Sichuan Province

OK636113

OP407700

OP434382

S. flavidus

SAAS 3805

China: Sichuan Province

OK636114

OP407697

OP434379

S. flavidus

SAAS 3819

China: Sichuan Province

OK636116

OP407698

OP434380

S. giganteus

SAAS 3576

China: Sichuan Province

OK636121

OP407701

OP434383

S. giganteus

SAAS 3974

China: Sichuan Province

OK636122

OP407702

OP434384

S. imbricatus

SSvantesson 355

Norway

MK602748

MK602748

–

S. imbricatus

SAAS 2681

China: Sichuan Province

OK636080

OP407703

OP434385

S. imbricatus

SAAS 2789

China: Sichuan Province

OK636082

OP407704

OP434386

S. imbricatus

SAAS 2859

China: Sichuan Province

OK636086

OP407705

OP434387

S. leucopus

O-F-296099

Norway

MK602755

MK602755

–

S. leucopus

SAAS 2875

China, Sichuan Province

OK636087

OP407707

OP434388

S. leucopus

SAAS 2873

China, Sichuan Province

OK636090

OP407706

OP434389

S. neosquamosus

SAAS 2919

China: Yunnan Province

OK636096

OP407713

OP434391

S. neosquamosus

SAAS 2939

China: Yunnan Province

OP437933

–

–

S. neosquamosus

SAAS 2914

China: Yunnan Province

OK636095

OP407712

OP434390

S. neosquamosus

SAAS 2926

China: Yunnan Province

OP437932

–

OP434392

S. nigrosquamosus

SAAS 3836

China: Sichuan Province

OK636105

–

–

S. nigrosquamosus

SAAS 3922

China: Sichuan Province

OK636103

OP407711

–

S. nigrosquamosus

SAAS 2938

China: Sichuan Province

OK636101

OP407710

–

S. nigrosquamosus

SAAS 2704

China: Sichuan Province

OK636106

OP407709

–

S. pseudoimbricatus

SAAS 2974

China: Yunnan Province

OK636097

OP407696

–

S. pseudoimbricatus

SAAS 2962

China: Yunnan Province

OK636098

OP407695

OP434378

S. pseudoimbricatus

SAAS 2944

China: Yunnan Province

OK636099

OP407694

–

S. quercinofibulatus

JC 20090718-2

Italy: Girona, Puig Rodon, La Vall De Bianya

JX271818

MK602773

–

S. scabripes

REB 351

USA: NC, Marion area

JN135191

–

KF007970

S. scabripes

Mushroom Observer 468,045

USA: Arizona, Apache Co

EU293829

–

–

S. sp.3

SAAS 2904

China: Sichuan Province

OK636123

OP407691

OP434375

S. sp.3

SAAS 3780

China: Sichuan Province

OK636125

OP407692

OP434376

S. sp.3

SAAS 3976

China: Sichuan Province

OK636124

OP407693

OP434377

S. sp.

SAAS 2471

China: Sichuan Province

OP437909

–

–

S. squamosus

O-F-177452

Norway

MK602768

MK602768

–

S. squamosus

ELarsson24812

United Kingdom: Scotland

MK602767

MK602767

OK632671

S. squamosus

OF295554

Norway

MK602769

MK602769

–