Table 2 Abundance, dominance, frequency, and Importance Value Index (IVI) of the species recorded (ranked according to their IVI value)

Prosopis glandulosa

42

11.20

1,736

26.30

100

10.34

15.95

Acacia amentacea

85

22.67

693

10.50

100

10.34

14.50

Havardia pallens

73

19.47

858

13.00

100

10.34

14.27

Acacia farnesiana

35

9.33

1,150

17.42

66.67

6.90

11.22

Parkinsonia texana

27

7.20

656

9.94

33.33

3.45

6.86

Celtis pallida

17

4.53

508

7.69

66.67

6.90

6.37

Diospyros palmeri

21

5.60

177

2.68

66.67

6.90

5.06

Cordia boissieri

13

3.47

84

1.27

100

10.34

5.03

Sideroxylon celastrinum

10

2.67

110

1.67

100

10.34

4.89

Zanthoxylum fagara

21

5.60

260

3.94

33.33

3.45

4.33

Acacia schaffneri

19

5.07

157

2.38

33.33

3.45

3.63

Forestiera angustifolia

6

1.60

105

1.59

66.67

6.90

3.36

Guaiacum angustifolium

4

1.07

47

0.71

66.67

6.90

2.89

Ebenopsis ebano

2

0.53

60

0.91

33.33

3.45

1.63

Sum

375

100

6,601

100

100

100