Table 1: Tree species recorded along the studied gradient of urbanization. Numbers represent the total number of individuals recorded in this study. Species are displayed alphabetically. (N): native species, (E): exotic species (see Section 3 for details). Green: green areas, Res: residential areas, Res-Com: residential-commercial areas, Com: commercial areas.

SpeciesGreenComResRes-Com

Abies religiosa (Kunth) Schltdl. and Cham. (N)28836
Acacia melanoxylon R. Br. (E)13
Acacia retinodes Schltdl. (E)17
Acer negundo L. (N)11
Alnus acuminata Kunth (N)34212
Alnus jorullensis Kunth (N)39
Anacardiaceae5
Araucaria heterophylla (Salisb.) Franco (E)1157
Bauhinia sp. (E)1
Buddleia cordata Kunth (N)222382211
Buddleia parviflora Kunth (N)15
Casuarina equisetifolia L. (E)75141017
Celtis occidentalis L. (E)1
Citrus limon (L.) Osbeck (E)251
Citrus sinensis (L.) Osbeck (E)2
Citrus sp. (E)1
Crataegus mexicana Moc. & Sessé ex DC. (N)319
Cupressus lusitanica Mill. (N)3375118672
Cupressus macrocarpa Hartw. ex Gordon (E)27134
Cupressus sempervirens L. (E)6318047
Cupressus sp. (E)11
Dombeya wallichii (Lindl.) K. Schum. (E)1
Eriobotrya japonica (Thunb.) Lindl. (E)13296
Erythrina coralloides DC. (N)193014
Eucalyptus spp.1 (E)771484443
Euphorbiaceae sp. (E)1
Ficus benjamina L. (E)61237461
Ficus carica L. (E)11
Ficus elastica Roxb. (E)258
Ficus microcarpa L. f. (E)13
Ficus sp. (E)41
Fraxinus uhdei (Wenz.) Lingelsh. (N)6842334269
Furcraea bedinghausii K. Koch (N)4
Garrya laurifolia K. Koch (N)3710
Grevillea robusta A. Cunn. ex R. Br. (E)1016
Jacaranda mimosifolia D. Don (E)11332430
Juglans regia L. (E)31
Laurus sp. (E)2
Liquidambar styraciflua L. (E)934222
Magnolia grandiflora L. (E)22812
Morus alba L. (E)6
Morus rubra L. (E)2
Persea americana Mill. (E)11
Phoenix canariensis Chabaud (E)22031
Phoenix dactylifera L. (E)2
Picea sp. (E)1
Pinus ayacahuite C. Ehrenb. ex Schltdl. (N)51
Pinus leiophylla Schiede ex Schltdl. & Cham. (N)1
Pinus maximartinezii Rzed. (E)42
Pinus montezumae Lamb. (N)1
Pinus patula Schltdl. & Cham. (E)2511
Pinus pseudostrobus Lindl. (N)41
Pinus radiata D. Don (E)6
Pinus sp. 13
Pinus sp. 21
Pinus sp. 31
Pinus sp. 4 (E)2
Pinus sp. 5 (E)1
Pinus sp. 6 (E)1
Pinus sp. 7 (E)10
Pinus teocote Schltdl. & Cham. (N)1515
Pithecellobium dulce (Roxb.) Benth. (E)1
Pittosporum undulatum Vent. (E)3
Populus alba L. (E)8112
Populus tremuloides Michx. (E)3111
Prunus domestica L. (E)2341415
Prunus persica (L.) Batsch (E)32173
Prunus serotina Ehrh. (N)4815744
Pyrus communis L. (E)57
Pyrus malus L. (E)115
Quercus castanea Née (N)12
Quercus crassipes Humb. & Bonpl. (N)194
Quercus deserticola Trel. (N)153
Quercus laeta Liebm. (N)32
Quercus laurina Bonpl. (N)179
Quercus obtusata Bonpl. (N)5
Quercus robusta C.H. Mull. (E)8
Quercus rugosa Née (N)42
Quercus sp. (N)15
Salix bonplandiana Kunth (N)32
Salix paradoxa Kunth (N)44
Sambucus nigra L. (N)7254
Schinus molle L. (E)924235
Taxodium mucronatum Ten. (N)3
Thuja sp. (E)13291
Trema sp. (E)8
Ulmus sp.6143
Washingtonia robusta H. Wendl. (E)167
Yucca elephantipes Regel ex Trel. (E)51212

1Eucalyptus globulus and E. camaldulensis are both referred as Eucalyptus spp. due to difficulties in identifying individuals of each species at the time of the year when we carried out our surveys.