Table S6. List of lineages of Aphelida and Cryptomycota obtained from clone library construction and their nearest neighbors obtained by BLASTN Sequence name, Percent identity, organism name, taxonomy, Percent identity, organism name, accession number, and and accession number of the nearest neighbor and accession number of the OTU ID excluding environmental samples nearest neighbor including environmental samples Jp13Nb17E, AB971105, OTU_23 90.27 Spizellomycetales sp. JEL355 AFTOL-ID 637, DQ536477, 93.51 uncultured eukaryote TAGIRI-24, AB191432 Chytridiomycota: Spizellomycetales Jp13Nb17S, AB971106, OTU_23 89.72 Spizellomycetales sp. JEL355 AFTOL-ID 637, DQ536477, 93.26 uncultured eukaryote TAGIRI-24, AB191432 Chytridiomycota: Spizellomycetales Jp13Nb16E, AB971104, OTU_23 90.36 Spizellomycetales sp. JEL355 AFTOL-ID 637, DQ536477, 93.61 uncultured eukaryote TAGIRI-24, AB191432 Chytridiomycota: Spizellomycetales Jp13Nb15S, AB971103, OTU_22 89.35 Blastocladiales sp. TJ-2007a, EF565163, 92.69 uncultured eukaryote TAGIRI-24, AB191432 Blastocladiomycota: Blastocladiales Jp13Nb13E, AB971101, OTU_22 89.72 Blastocladiales sp. TJ-2007a, EF565163, 93.14 uncultured eukaryote TAGIRI-24, AB191432 Blastocladiomycota: Blastocladiales Jp13Nb12E, AB971100, OTU_22 89.72 Blastocladiales sp. TJ-2007a, EF565163, 93.06 uncultured eukaryote TAGIRI-24, AB191432 Blastocladiomycota: Blastocladiales Jp13Nb11E, AB971099, OTU_22 89.58 Powellomyces sp. JEL95 AFTOL-ID 32, AF164245, 92.93 uncultured eukaryote TAGIRI-24, AB191432 Chytridiomycota: Spizellomycetales Jp13Nb10E, AB971098, OTU_22 89.68 Endogone sp. T32492 1, JF414199, Mucoromycotina: Endogonales 93.06 uncultured eukaryote TAGIRI-24, AB191432 Table S6 (Continued) Sequence name, Percent identity, organism name, taxonomy, Percent identity, organism name, accession number, and and accession number of the nearest neighbor and accession number of the OTU ID excluding environmental samples nearest neighbor including environmental samples Jp13Nb09E, AB971097, OTU_22 Jp13Nb08E, AB971096, OTU_22 89.48 Endogone sp. T32492 1, JF414199, Mucoromycotina: Endogonales 89.81 Mucoromycotina sp. MIB 8360 1, JF414208, 93.00 uncultured eukaryote TAGIRI-24, AB191432 93.06 uncultured eukaryote TAGIRI-24, AB191432 Mucoromycotina Jp13Nb07E, AB971095, OTU_22 Jp13Nb06E, AB971094, OTU_22 Jp13Nb05E, AB971093, OTU_22 Jp13Nb04E, AB971092, OTU_22 Jp13Nb03E, AB971091, OTU_23 89.72 Powellomyces hirtus, HQ901750, Chytridiomycota: Spizellomycetales 89.75 Endogone sp. T32492 1, JF414199, Mucoromycotina: Endogonales 89.55 Endogone sp. T32492 1, JF414199, Mucoromycotina: Endogonales 89.59 Powellomyces hirtus, HQ901750, Chytridiomycota: Spizellomycetales 90.28 Spizellomycetales sp. JEL355 AFTOL-ID 637, DQ536477, 93.20 uncultured eukaryote TAGIRI-24, AB191432 93.13 uncultured eukaryote TAGIRI-24, AB191432 93.07 uncultured eukaryote TAGIRI-24, AB191432 92.99 uncultured eukaryote TAGIRI-24, AB191432 93.61 uncultured eukaryote TAGIRI-24, AB191432 Chytridiomycota: Spizellomycetales Jp13Nb02E, AB971090, OTU_24 88.79 Endogone sp. T32492 1, JF414199, Mucoromycotina: Endogonales 91.65 uncultured eukaryote TAGIRI-24, AB191432 Table S6 (Continued) Sequence name, Percent identity, organism name, taxonomy, Percent identity, organism name, accession number, and and accession number of the nearest neighbor and accession number of the OTU ID excluding environmental samples nearest neighbor including environmental samples Jp13Nb01S, AB971089, OTU_23 89.54 Spizellomycetales sp. JEL355 AFTOL-ID 637, DQ536477, 93.11 uncultured eukaryote TAGIRI-24, AB191432 Chytridiomycota: Spizellomycetales Jp13Cm10E, AB971040, OTU_25 91.59 Mortierella sp. BlackDot, KJ867236, Mortierellomycotina: Mortierellales 99.73 uncultured fungus ESS270706.089, GU067982 Jp13Cm09E, AB971039, OTU_26 Jp13Cm01E, AB971031, OTU_31 91.38 Mortierella chlamydospora, 98.15 uncultured fungus AF157143, ESS270706.089, Mortierellomycotina: Mortierellales GU067982 88.50 Harpidium rutilans, AY149681, Ascomycota: Lichinomycetes 95.57 uncultured fungus PFB5SP2005, EU162634 Jp13Cm02E, AB971032, OTU_31 88.77 Harpidium rutilans, AY149681, Ascomycota: Lichinomycetes 96.10 uncultured fungus PFB5SP2005, EU162634 Jp13Cm03S, AB971033, OTU_32 Jp13Cm04S, AB971034, OTU_29 Jp13Cm05E, AB971035, OTU_28 89.08 Endogone aggregata, JF414195, Mucoromycotina: Endogonales 88.78 Endogone aggregata, JF414195, Mucoromycotina: Endogonales 89.56 Hyaloraphidium curvatum, NG_017172, Monoblepharidomycetes 98.63 uncultured eukaryote MPE1-23, AB695466 99.19 uncultured fungus HA068, HM487049 99.55 uncultured fungus HA052, HM487051 Table S6 (Continued) Sequence name, Percent identity, organism name, taxonomy, Percent identity, organism name, accession number, and and accession number of the nearest neighbor and accession number of the OTU ID excluding environmental samples nearest neighbor including environmental samples Jp13Cm07E, AB971037, OTU_27 91.12 Catenomyces sp. JEL342 AFTOL-ID 47, AY635830, 96.74 uncultured fungus Pa2007A1, JQ689418 Blastocladiomycota: Blastocladiales Jp13Cm06E, AB971036, OTU_30 88.70 Neocallimastix sp. LM-2, M59761, Neocallimastigomycota: 95.16 uncultured fungus WIM27, AM114814 Neocallimastigomycetes Jp13F02S, AB971073, OTU_21 91.44 Phlyctochytrium arcticum AFTOL-ID 696, DQ536480, 96.43 uncultured eukaryote KRL01E36, JN090896 Chytridiomycota: Chytridiales Jp13F11E, AB971083, OTU_19 Jp13F12E, AB971084, OTU_18 Jp13F10E, AB971082, OTU_20 92.84 Rhizophlyctis harderi AFTOL-ID 31, 95.12 uncultured AF164272, Chytridiomycota Chytridiomycota: Rhizophlyctidales T4P1AeE08, GQ995419 91.55 Basidiobolus haptosporus, AF113413, 98.69 uncultured Entomophthoromycota: Chytridiomycota Basidiobolomycetes T5P1AeH09, GQ995421 91.39 Powellomyces sp. JEL95 AFTOL-ID 32, AF164245, Chytridiomycota: Spizellomycetales 95.96 uncultured eukaryote KRL01E38, JN090898