Dataset description: the following is a list with all samples of leaf tissue included in the dataset. Each sample, denoted by number (sample ID) is characterized by the experimental site where the material was collected, the genus name of the plant species, and replicate number denoting distinct plant individuals. Samples where the plant species identification was ambiguous (37-42, 79-84, 139-144) were analyzed for tissue chemistry and microbiome characteristics, but excluded from statistical analyses. Sample ID Site Species Replicate 1 Ohrazeni Betonica 1 2 Ohrazeni Betonica 2 3 Ohrazeni Betonica 3 4 Ohrazeni Betonica 4 5 Ohrazeni Betonica 5 6 Ohrazeni Betonica 6 7 Ohrazeni Pedicularis 1 8 Ohrazeni Pedicularis 2 9 Ohrazeni Pedicularis 3 10 Ohrazeni Pedicularis 4 11 Ohrazeni Pedicularis 5 12 Ohrazeni Pedicularis 6 13 Ohrazeni Melampyrum 1 14 Ohrazeni Melampyrum 2 15 Ohrazeni Melampyrum 3 16 Ohrazeni Melampyrum 4 17 Ohrazeni Melampyrum 5 18 Ohrazeni Melampyrum 6 19 Ohrazeni Vaccinium 1 20 Ohrazeni Vaccinium 2 21 Ohrazeni Vaccinium 3 22 Ohrazeni Vaccinium 4 23 Ohrazeni Vaccinium 5 24 Ohrazeni Vaccinium 6 25 Ohrazeni Ranunculus 1 26 Ohrazeni Ranunculus 2 27 Ohrazeni Ranunculus 3 28 Ohrazeni Ranunculus 4 29 Ohrazeni Ranunculus 5 30 Ohrazeni Ranunculus 6 31 Ohrazeni Holcus 1 32 Ohrazeni Holcus 2 33 Ohrazeni Holcus 3 34 Ohrazeni Holcus 4 35 Ohrazeni Holcus 5 36 Ohrazeni Holcus 6 37 Ohrazeni Poaceae? 1 38 Ohrazeni Poaceae? 2 39 Ohrazeni Poaceae? 3 40 Ohrazeni Poaceae? 4 41 Ohrazeni Poaceae? 5 42 Ohrazeni Poaceae? 6 43 Ruda Pedicularis 1 44 Ruda Pedicularis 2 45 Ruda Pedicularis 3 46 Ruda Pedicularis 4 47 Ruda Pedicularis 5 48 Ruda Pedicularis 6 49 Ruda Ranunculus 1 50 Ruda Ranunculus 2 51 Ruda Ranunculus 3 52 Ruda Ranunculus 4 53 Ruda Ranunculus 5 54 Ruda Ranunculus 6 55 Ruda Holcus 1 56 Ruda Holcus 2 57 Ruda Holcus 3 58 Ruda Holcus 4 59 Ruda Holcus 5 60 Ruda Holcus 6 61 Vrbenske rybniky Cuscuta 1 62 Vrbenske rybniky Cuscuta 2 63 Vrbenske rybniky Cuscuta 3 64 Vrbenske rybniky Cuscuta 4 65 Vrbenske rybniky Cuscuta 5 66 Vrbenske rybniky Cuscuta 6 67 Vrbenske rybniky Ranunculus 1 68 Vrbenske rybniky Ranunculus 2 69 Vrbenske rybniky Ranunculus 3 70 Vrbenske rybniky Ranunculus 4 71 Vrbenske rybniky Ranunculus 5 72 Vrbenske rybniky Ranunculus 6 73 Vrbenske rybniky Holcus 1 74 Vrbenske rybniky Holcus 2 75 Vrbenske rybniky Holcus 3 76 Vrbenske rybniky Holcus 4 77 Vrbenske rybniky Holcus 5 78 Vrbenske rybniky Holcus 6 79 Vrbenske rybniky Plant? 1 80 Vrbenske rybniky Plant? 2 81 Vrbenske rybniky Plant? 3 82 Vrbenske rybniky Plant? 4 83 Vrbenske rybniky Plant? 5 84 Vrbenske rybniky Plant? 6 85 Retenice Rhinanthus 1 86 Retenice Rhinanthus 2 87 Retenice Rhinanthus 3 88 Retenice Rhinanthus 4 89 Retenice Rhinanthus 5 90 Retenice Rhinanthus 6 91 Retenice Ranunculus 1 92 Retenice Ranunculus 2 93 Retenice Ranunculus 3 94 Retenice Ranunculus 4 95 Retenice Ranunculus 5 96 Retenice Ranunculus 6 97 Retenice Veronica 1 98 Retenice Veronica 2 99 Retenice Veronica 3 100 Retenice Veronica 4 101 Retenice Veronica 5 102 Retenice Veronica 6 103 Retenice Melampyrum 1 104 Retenice Melampyrum 2 105 Retenice Melampyrum 3 106 Retenice Melampyrum 4 107 Retenice Melampyrum 5 108 Retenice Melampyrum 6 109 Lhenice Cuscuta 1 110 Lhenice Cuscuta 2 111 Lhenice Cuscuta 3 112 Lhenice Cuscuta 4 113 Lhenice Cuscuta 5 114 Lhenice Cuscuta 6 115 Lhenice Urtica 1 116 Lhenice Urtica 2 117 Lhenice Urtica 3 118 Lhenice Urtica 4 119 Lhenice Urtica 5 120 Lhenice Urtica 6 121 Lhenice Rubus 1 122 Lhenice Rubus 2 123 Lhenice Rubus 3 124 Lhenice Rubus 4 125 Lhenice Rubus 5 126 Lhenice Rubus 6 127 Hejdlov Rhinanthus 1 128 Hejdlov Rhinanthus 2 129 Hejdlov Rhinanthus 3 130 Hejdlov Rhinanthus 4 131 Hejdlov Rhinanthus 5 132 Hejdlov Rhinanthus 6 133 Hejdlov Ranunculus 1 134 Hejdlov Ranunculus 2 135 Hejdlov Ranunculus 3 136 Hejdlov Ranunculus 4 137 Hejdlov Ranunculus 5 138 Hejdlov Ranunculus 6 139 Hejdlov Plant? 1 140 Hejdlov Plant? 2 141 Hejdlov Plant? 3 142 Hejdlov Plant? 4 143 Hejdlov Plant? 5 144 Hejdlov Plant? 6 145 Hejdlov Veronica 1 146 Hejdlov Veronica 2 147 Hejdlov Veronica 3 148 Hejdlov Veronica 4 149 Hejdlov Veronica 5 150 Hejdlov Veronica 6 151 Kuklov Melampyrum 1 152 Kuklov Melampyrum 2 153 Kuklov Melampyrum 3 154 Kuklov Melampyrum 4 155 Kuklov Melampyrum 5 156 Kuklov Melampyrum 6 157 Kuklov Vaccinium 1 158 Kuklov Vaccinium 2 159 Kuklov Vaccinium 3 160 Kuklov Vaccinium 4 161 Kuklov Vaccinium 5 162 Kuklov Vaccinium 6 163 Kuklov Hieracium 1 164 Kuklov Hieracium 2 165 Kuklov Hieracium 3 166 Kuklov Hieracium 4 167 Kuklov Hieracium 5 168 Kuklov Hieracium 6 169 Chvalsiny Rhinanthus 1 170 Chvalsiny Rhinanthus 2 171 Chvalsiny Rhinanthus 3 172 Chvalsiny Rhinanthus 4 173 Chvalsiny Rhinanthus 5 174 Chvalsiny Rhinanthus 6 175 Chvalsiny Ranunculus 1 176 Chvalsiny Ranunculus 2 177 Chvalsiny Ranunculus 3 178 Chvalsiny Ranunculus 4 179 Chvalsiny Ranunculus 5 180 Chvalsiny Ranunculus 6 181 Chvalsiny Ranunculus 1 182 Chvalsiny Ranunculus 2 183 Chvalsiny Ranunculus 3 184 Chvalsiny Ranunculus 4 185 Chvalsiny Ranunculus 5 186 Chvalsiny Ranunculus 6 187 Chvalsiny Ranunculus 1 188 Chvalsiny Ranunculus 2 189 Chvalsiny Ranunculus 3 190 Chvalsiny Ranunculus 4 191 Chvalsiny Ranunculus 5 192 Chvalsiny Ranunculus 6