 | área silvestre protegida | Term without description | Term without children | Elementos |
| Área metropolitana de San José | Term without description | Term without children | Elemento |
| Área metropolitana de Costa Rica | Term without description | Term without children | Elementos |
| Área de Conservación Tempisque | Term without description | Term without children | Elemento |
| Área de Conservación Guanacaste (ACG) | Term without description | Term without children | Elemento |
| ARCOSA | Term without description | Term without children | Elemento |
| Arborización urbana | Term without description | Term without children | Elementos |
| arboricultura urbana | Term without description | Term without children | Elementos |
| Arboricultura | Term without description | Term without children | Elemento |
| árboles nativos | Term without description | Term without children | Elemento |
| árboles endémicos | Term without description | Term without children | Elementos |
| árboles amenazados Costa Rica | Term without description | Term without children | Elementos |