Allied Organizations
- ACHS – Sigma Lambda Alpha Honor Society – Landscape Architecture
- ACSA (Association of Collegiate Schools of Architecture)
- ACSP (Association of Collegiate Schools of Planning)
- AILA (Australian Institute of Landscape Architects)
- American Academy in Rome
- ASLA (American Society of Landscape Architects)
- CIGR – International Commission of Agricultural Engineering
- CLARB (Council of Architectural Registration Boards)
- Council for Higher Education Accreditation
- CSLA (Canadian Society of Landscape Architects)
- ECLAS (European Council of Landscape Architecture Schools)
- EDRA (Environmental Design Research Association)
- IFLA (International Federation of Landscape Architects)
- LAAB (Landscape Architectural Accreditation Board)
- LAF (Landscape Architecture Foundation)
- NAED (National Academy of Environmental Design)
- NZILA (New Zealand Institute of Landscape Architects)
- TCLF (The Cultural Landscape Foundation)