- Royal Horticultural Society: http://www.rhs.org.uk
- The Royal National Rose Society: http://www.rnrs.org.uk
- The Horticultural Trades Association: http://www.the-hta.org.uk
- Community Plant Variety Office: http://www.cpvo.europa.eu
- Department for Environment Food and Rural Affairs: http://www.defra.gov.uk
- CIOPORA: http://www.ciopora.org
(International Community of Breeders of Asexually Reproduced Ornamental Varieties) - NIAB: http://www.niab.com
(National Institute of Agricultural Botany - An Independent Plant Science Company) - HDC: http://www.hdc.org.uk
(Horticultural Development Council) - WFRS - WORLD FEDERATION OF ROSE SOCIETIES: http://www.worldrose.org
- FIND THAT ROSE: http://www.findthatrose.co.uk
- HELP ME FIND: http://www.helpmefind.com
- GLASGOW CITY ROSE TRIALS: http://www.bordehill.co.uk
- HEVER CASTLE, KENT: http://www.hevercastle.co.uk
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