Supplementary Table S1: Species designation

Colour coding corresponds to tree genotypes in Fig. 2.

field assignment / DNA / species name / bp / % / database reference / GenBank assession
sequenced tips in T3, T7, T8
BB75_407_Ah_210507_R28 / 898 / Laccaria cf. laccata / 693 / 99.9 / UDB000104 / HM189791
BB75_407_Ah_210507_R29 / 901 / Laccaria cf. laccata / 693 / 100 / UDB000104 / HM355997
BB75_407_Ah_210507_R34 / 910 / Laccaria cf. laccata / 693 / 100 / UDB000104 / HM355998
BB75_407_Ah_210507_R35 / 912 / Laccaria cf. laccata / 693 / 100 / UDB000104 / HM356599
BB75_407_Ah_210507_R36 / 914 / Laccaria cf. laccata / 693 / 100 / UDB000104 / HM356000
BB75_407_Ah_210507_R40 / 919 / Laccaria cf. laccata / 730 / 99.9 / UDB000104 / HM356001
BB75_407_Ah_210507_R45 / 926 / Laccaria cf. laccata / 730 / 99.9 / UDB000104 / HM356002
BB75_407_Ah_210507_R46 / 928 / Laccaria cf. laccata / 693 / 99.9 / UDB000104 / HM356003
BB75_407_Ah_210507_R47 / 929 / Laccaria cf. laccata / 730 / 99.9 / UDB000104 / HM356004
BB75_408_Ah_210507_R48 / 932 / Laccaria cf. laccata / 730 / 99.9 / UDB000104 / HM189793
BB70_407_Ah_210507_R42 / 923 / Lactarius subdulcis / 734 / 100 / UDB000048 / HM189803
BB70_407_Ah_210507_R47 / 931 / Lactarius subdulcis / 734 / 100 / UDB000048 / HM356005
BB22_408_Ah_210507_R55 / 940 / Lactarius subdulcis / 734 / 99.9 / UDB000048 / HM189804
BB45_408_Ah_210507_R50 / 934 / Lactarius subdulcis / 728 / 100 / UDB000048 / HM189806
BB45_407_Ah_210507_R36 / 913 / Lactarius subdulcis / 734 / 100 / UDB000048 / HM189807
BB72_408_Ah_210507_R58 / 944 / Russula ionochlora / 640 / 100 / GQ924690 / HM189868
BB72_408_Ah_210507_R62 / 947 / Russula ionochlora / 174 / 100 / GQ924690 / HM356006
BB72_408_Bv_210507_R66 / 953 / Russula ionochlora / 646 / 100 / GQ924690 / HM189869
BB72_408_Bv_210507_R67 / 954 / Russula ionochlora / 646 / 100 / GQ924690 / HM356007
BB72_408_Bv_210507_R68 / 955 / Russula ionochlora / 683 / 100 / GQ924690 / HM356008
BB72_403_Bv_210507_R15 / 871 / Russula ionochlora / 646 / 99.4 / GQ924690 / HM189874
BB72_403_Bv_210507_R23 / 880 / Russula ionochlora / 646 / 99.4 / GQ924690 / HM356017
BB72_407_Ah_210507_R34 / 909 / Russula ionochlora / 646 / 100 / GQ924690 / HM189875
BB06_403_Ah_210507_R07 / 862 / Russula ochroleuca / 699 / 100 / UDB000046 / HM189927
BB70_407_Ah_210507_R31 / 903 / Russula ochroleuca / 699 / 100 / UDB000046 / HM189928
BB70_407_Ah_210507_R37 / 916 / Russula ochroleuca / 700 / 99.8 / UDB000046 / HM356009
BB70_407_Ah_210507_R41 / 921 / Russula ochroleuca / 307 / 100 / UDB000046 / HM356010
BB70_408_Ah_210507_R54 / 939 / Russula ochroleuca / 699 / 100 / UDB000046 / HM189929
BB06_403_Bv_210507_R14 / 869 / Russula sp aff. ionochlora. / 646 / 96.6 / GQ924690 / HM189945
BB28_407_Ah_210507_R36 / 915 / Russula sp. aff. ionochlora / 683 / 96.6 / GQ924690 / HM189946
BB28_407_Ah_210507_R46 / 927 / Russula sp. aff. ionochlora / 646 / 96.6 / GQ924690 / HM356011
BB06_403_Bv_210507_R11 / 866 / Xerocomus cisalpinus / 743 / 99.6 / UDB002180 / HM190080
BB06_403_Bv_210507_R16 / 872 / Xerocomus cisalpinus / 743 / 99.6 / UDB002180 / HM356012
BB06_403_Bv_210507_R21 / 878 / Xerocomus cisalpinus / 743 / 99.7 / UDB002180 / HM356013
BB28_407_Ah_210507_R47 / 930 / Xerocomus cisalpinus / 745 / 99.6 / UDB002180 / HM190082
BB06_403_Bv_210507_R19 / 875 / Xerocomus cisalpinus / 743 / 100 / UDB002180 / HM356014
BB28_407_Ah_210507_R35 / 911 / Xerocomus cisalpinus / 743 / 99.9 / UDB002180 / HM356015
BB28_407_Ah_210507_R44 / 925 / Xerocomus cisalpinus / 667 / 99.8 / UDB002180 / HM356016
BB28_408_Ah_210507_R57 / 942 / Xerocomus pruinatus / 770 / 100 / UDB000049 / HM190109
sequenced tips in the remaining transect
BB82_401_Oh_210507 / 843 / Genea hispidula / 685 / 100 / UDB001408 / HM189752
BB85_404_Ah_210507 / 886 / Hydnotrya tulasnei / 740 / 99.2 / UDB000095 / HM189764
BB85_406_Ah_210507_R25 / 895 / Hydnotrya tulasnei / 740 / 99.5 / UDB000095 / GQ149462
BB86_404_Bv_210507 / 887 / Hydnum ellipsosporum / 648 / 100 / AY817138 / HM189768
BB100_410_Ah_210507 / 963 / Laccaria amethystina / 145 / 100 / UDB002418 / HM189777
BB96_401_Oh_210507 / 846 / Lactarius subdulcis / 771 / 99,9 / UDB000048 / HM189802
BB38_404_Oh_210507 / 882 / Lactarius tabidus / 722 / 100 / UDB000385 / HM189828
BB83_401_Oh_210507 / 842 / Pezizaceae / 695 / 100 / AJ969437 / HM189837
BB83_401_Ah_210507 / 848 / Pezizaceae / 695 / 100 / AJ969437 / HM189838
BB72_404_Ah_210507 / 885 / Russula ionochlora / 885 / 99,8 / GQ924690 / HM189867
BB70_401_Oh_210507 / 845 / Russula ochroleuca / 699 / 100 / UDB000046 / HM189924
BB70_401_Ah_210507 / 849 / Russula ochroleuca / 699 / 100 / UDB000046 / HM189925
BB14_402_Bv_210507 / 852 / Russula ochroleuca / 699 / 100 / UDB000046 / HM189926
BB57_410_Ah_210507 / 964 / Tuber puberulum / 556 / 100 / UDB001385 / HM190013
BB06_402_Ah_210507 / 851 / Xerocomus cisalpinus / 743 / 99.6 / UDB002180 / HM190079
BB28_405_Bv_210507 / 893 / Xerocomus cisalpinus / 743 / 99.6 / UDB002180 / HM190081