Table 2 Description of LA_Codes such that components of studies—plants, fungi, and soil—share the same number if they originate from the same known location.

From: MycoDB, a global database of plant response to mycorrhizal fungi

LA_Code

Plant

Fungi

Soil

#studies

A

1

1

1

96

B

1

1

2

8

C

1

2

1

57

D

2

1

1

14

E

1

2

3

104

F

1

1

X

64

G

1

2

X

77

H

1

1

Z

30

I

1

2

Z

140

J

1

X

1

11

K

1

X

2

63

L

X

1

1

96

M

X

1

2

299

N

Z

1

1

77

O

Z

1

2

265

  1. Unknown locations are indicated by ‘X’. Artificial soils (e.g., peat moss) or non-wild plant varieties (e.g., cultivar or hybrid variety) are indicated by ‘Z’. For example, the database contains 299 studies, coded as ‘M’, where the source of the plant is unknown and the soil and AM fungi came from different locations.
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