Tree stratum

Quercus mexicana

20.72

37.84

35.00

93.55

Crataegus baroussana

50.32

21.32

20.35

91.99

II. CERRO DEL CRISTO REY, GALEANA, NUEVO LEÓN

Herbaceous stratum

Euphorbia antisyphilitica

50.80

30.32

18.32

99.44

Calliandra eriophylla

11.09

15.59

17.82

44.50

Mandevilla karwinskii

6.18

9.65

12.07

27.90

Shrub stratum

Agave lechuguilla

33.25

40.07

25.34

98.66

Purshia plicata

20.73

11.34

15.38

47.46

Hechtia elliptica

7.58

9.88

13.46

30.93

III. SAN JOAQUÍN DE SOTO, ARAMBERRI, NUEVO LEÓN

Herbaceous stratum

Avena fatua

30.01

20.25

33.33

83.59

Tagetes lucida

28.40

19.23

25.71

73.34

Sporobolus airoides

11.38

15.99

14.29

41.66

Shrub stratum

Mimosa biuncifera

40.02

29.03

30.23

99.28

Tree stratum

Arbutus xalapensis

79.90

17.08

0.50

97.49

Crataegus baroussana

2.48

39.57

34.88

76.94

Quercus mexicana

13.07

46.25

0.50

59.82

IV. LA PEÑA, MIQUIHUANA, TAMAULIPAS

Herbaceous stratum

Aristida adscensionis

43.56

31.34

25.07

99.96

Euphorbia antisyphilitica

28.67

36.74

31.76

97.17

Dalea foliolosa

25.49

23.58

22.30

71.36

Shrub stratum

Agave striata

32.50

8.52

9.32

50.34

Rhus virens

23.45

14.40

9.32

47.18

Leucophyllum frutescens

10.33

11.56

13.56

35.46

V. CAMINO AL ESTANQUE DE LOS WALLE, MIQUIHUANA, TAMAULIPAS

Herbaceous stratum

Heliotropium sp.

28.85

26.90

21.59

77.34

Zinnia juniperifolia

19.33

19.31

21.59

60.23

Dodonaea viscosa

21.70

17.59

14.77

54.06