Table 3 Frequency and occurrence of each ECMf species in the ten clusters defined by k-means method from the minimal spanning tree presented in Fig. 3

Xerocomus pruinatus

2

2

11

6

1

1

1

5

8

29

Lactarius quietus

1

1

2

4

9

5

2

3

8

27

Xerocomus chrysenteron

1

2

2

2

2

3

7

15

Cenococcum geophilum

1

2

1

15

3

28

6

50

Russula ochroleuca

1

4

3

11

2

9

6

30

Russula cyanoxantha

1

3

1

5

1

3

6

14

Lactarius subdulcis

2

1

1

2

3

2

6

11

Russula delica

1

1

2

1

2

2

6

9

Tomentella sublilacina

1

6

9

4

25

5

45

Clavulina cristata

2

1

10

2

17

5

32

Cortinarius sp.

3

1

3

1

4

5

12

Tomentella lateritia

1

1

1

1

7

5

11

UECM sp.3

2

3

1

2

3

5

11

Cortinarius casimiri

1

2

1

1

3

5

8

Lactarius chrysoreus

1

1

1

3

2

5

8

Byssocorticium atrovirens

1

2

2

12

4

17

Lactarius rostratus

3

3

1

7

4

14

Cortinarius anomalus

3

1

1

3

4

8

Russula nigricans

1

4

2

1

4

8

Russula atropurpurea

1

1

2

3

4

7

Leccinum carpini

1

2

2

1

4

6

Cortinarius olivaceofuscus

1

1

1

2

4

5

UECM sp.5

1

1

1

2

4

5

UECM sp.1

3

6

11

3

20

Laccaria amethystina

1

3

8

3

12

Amanita rubescens

2

3

3

3

8

Tomentella badia

1

2

5

3

8

Tuber borchii

1

3

2

3

6

Tomentella lilacinogrisea

1

4

1

3

6

Leccinum crocipodium

2

2

1

3

5

Russula sp.

1

1

2

3

4

UECM sp.2

1

2

1

3

4

Tomentella sp.3

3

4

2

7

Cortinarius roux

2

2

2

4

Tomentella atramentaria

1

2

2

3

Russula sp.2

2

1

2

3

Piloderma croceum

1

2

2

3

UECM sp.20

1

2

2

3

Hebeloma sacchariolens

1

1

2

2

Hygrophorus olivaceoalbus

1

1

2

2

Laccaria laccata

1

1

2

2

Entoloma nitidum

1

1

2

2

Thelephora terrestris

1

1

2

2

Tomentella ellisii

1

1

2

2

Tomentella fuscoresinosa

1

1

2

2

Tomentella sp.2

1

1

2

2

Boletale sp.1

1

1

2

2

Boletale sp.2

1

1

2

2

Rhizopogon sp

1

1

2

2

Russula rosea

1

1

2

2

Fagirhiza sp.

2

1

2

Cortinarius sp.2

2

1

2

Tomentella botryoides

2

1

2

Lactarius sp.

2

1

2

UECM sp.14

2

1

2

UECM sp.8

2

1

2

Peziza depressa

1

1

1

Tuber sp.

1

1

1

Inocybe petiginosa

1

1

1

Laccaria sp.

1

1

1

Tomentella badialateritia

1

1

1

Tomentella bryophila

1

1

1

Tomentella stuposa

1

1

1

Tomentellopsis echinospora

1

1

1

Boletales p.3

1

1

1

Boletus aestivalis

1

1

1

Russula laurocerasi

1

1

1

Russula xerampelina

1

1

1

Lactarius sp.2

1

1

1

UECM sp.10

1

1

1

UECM sp.12

1

1

1

UECM sp.18

1

1

1

UECM sp.22

1

1

1

UECM sp.4

1

1

1

UECM sp.6

1

1

1

UECM sp.7

1

1

1