| trees.org.uk | Arboricultural Association |
| lofa.com | Leisure and Outdoor Furniture Association |
| flowers.org.uk | Flowers and Plants Association |
| bali.co.uk | British Association of Landscape Industries |
| martex.co.uk | Landscape Gardeners in the United Kingdom |
| btlia.org.uk | British Turf and Landscape Irrigation Association |
| britishtomatoes.co.uk | British Tomato Growers Association |
| bigga.org.uk | British & International Golf Greenkeepers Association |
| rhs.org.uk | The Royal Horticultural Society: Gardening Online |
| rbgkew.org.uk | Royal Botanic Gardens, Kew |
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