Table 4 Total Phylogenetic Diversity richness (PD) per floristic factory biome of all the globally-listed alien grass species with respective invasive/naturalized status originated in each region.

From: Contrasting patterns in phylogenetic and biogeographic factories of invasive grasses (Poaceae) across the globe

Biome

Total factored species

Ratio of alien sps. (%)

Phylogenetic diversity

 

Tot.

Nat.

Inv.

Nat.

Inv.

PDNat.

PDInv.

Desert

126

42

11

33.3

8.7

112.2

71.9

Mediterranean shrub

137

63

25

46.0

18.2

173

120.4

Montane grassland

73

3

0

4.1

0

38.6

0

Taiga

6

3

2

23.1

15.3

13.7

4.3

Temp. broadleaf forest

393

211

138

53.4

35.1

383.5

277.7

Temp. coniferous forest

76

18

5

23.7

6.6

93.8

48.6

Temp. savanna & shrub

159

33

25

31.7

7.7

108.1

65.5

Trop. coniferous forest

19

2

0

10.5

0

0.5

0

Trop. dry forest

9

3

1

33.3

11.1

25.1

0

Trop. moist forest

125

61

29

48.8

23.2

164

96.7

Trop. savanna & shrub

159

40

25

25.1

15.7

94.6

71.6

Tundra

16

2

1

12.4

6.2

4.3

0