Columbia subject headings:
Harvard subject headings:
Arboriculture.
Ecology--Mexico--Mexico City Metropolitan Area.
Trees in cities--Diseases and pests--Mexico--Mexico City Metropolitan Area.
Trees in cities--Mexico--Mexico City Metropolitan Area--History.
Trees in cities--Mexico--Mexico City Metropolitan Area.
Urban forestry--Mexico--Mexico City Metropolitan Area.
Princeton subject headings:
Trees in cities--Diseases and pests--Mexico--Mexico City--Metropolitan Area.
Trees in cities--Mexico--Mexico City--Metropolitan Area--History.
Trees in cities--Mexico--Mexico City--Metropolitan Area.