| français | fra-000 |
| Société royale d’horticulture | |
| Deutsch | deu-000 | Royal Horticultural Society |
| English | eng-000 | Royal Horticultural Society |
| Nederlands | nld-000 | Royal Horticultural Society |
| português | por-000 | Royal Horticultural Society |
| español | spa-000 | Royal Horticultural Society |