ICRA - ROYAL HORTICULTURAL SOCIETY (RHS)

ICRA Report Sheet

ROYAL HORTICULTURAL SOCIETY (RHS) - CONIFERS

ICRA group(s) with date of appointment:	Conifers, including Ginkgo L. (1964)
Registrar:	Sharon McDonald
Mailing address:	RHS Garden Wisley, Woking, Surrey GU23 6QB, UK
Fax:	(+44) 1483 211750
e-mail:	Supplementary e-mail address:
Links:	RHS Home Page: http://www.rhs.org.uk RHS Registration Pages: http://www.rhs.org.uk/plants/plantsmanship/plant-registration Conifer Cultivar Registration: http://www.rhs.org.uk/plants/plantsmanship/plant-registration/Conifer-cultivar-registration DOWNLOAD Registration form (North America): www.rhs.org.uk/plants/pdfs/plant-registration-forms/conifer-name-application-us-version Notes for Registration form (North America): www.rhs.org.uk/plants/pdfs/plant-registration-forms/conifer-guidance-notes-for-north-american-forms DOWNLOAD Registration form (excl. North America): http://www.rhs.org.uk/plants/pdfs/plant-registration-forms/conifer-name-application
Taxonomic group(s) covered:	*Abies* Mill.; *Acmopyle* Pilg.; *Actinostrobus* Miq.; *Afrocarpus* (J. Buchholz & N. E. Gray) C. N. Page; *Agathis* Salisb.; *Amentotaxus* Pilg.; *Araucaria* Juss.; *Athrotaxis* D. Don; *Austrocedrus* Florin & Boutelje; *Austrotaxus* Compton; *Callitris* Vent.; *Calocedrus* Kurz; *Cathaya* Chun & Kuang; *Cedrus* Trew; *Cephalotaxus* Siebold & Zucc. ex Endl.; *Chamaecyparis* Spach; *Cryptomeria* D. Don; *Cunninghamia* R. Br.; *Cupressocyparis* Dallim.; *Cupressus* L.; *Dacrycarpus* (Endl.) de Laub.; *Dacrydium* Sol. ex G. Forst.; *Diselma* Hook. f.; *Falcatifolium* de Laub.; *Fitzroya* Lindl.; *Fokienia* A. Henry & H. H. Thomas; *Ginkgo* L.; *Glyptostrobus* Endl.; *Halocarpus* Quinn; *Juniperus* L.; *Keteleeria* Carri re; *Lagarostrobos* Quinn; *Lagerostrobus* Quinn; *Larix* Mill.; *Lepidothamnus* Phil.; *Libocedrus* Endl.; *Manoao* Molloy; *Metasequoia* Hu & W. C. Cheng; *Microbiota* Kom.; *Microcachrys* Hook. f.; *Microstrobus* J. Garden & L. A. S. Johnson; *Nageia* Gaertn.; *Neocallitropsis* Florin; *Nothotsuga* Hu ex C. N. Page; *Papuacedrus* H. L. Li; *Parasitaxus* de Laub.; *Phyllocladus* Rich. & Mirb.; *Picea* A. Dietr.; *Pilgerodendron* Florin; *Pinus* L.; *Platycladus* Spach; *Podocarpus* L'H r. ex Pers.; *Prumnopitys* Phil.; *Pseudolarix* Gordon; *Pseudotaxus* W. C. Cheng; *Pseudotsuga* Carri re; *Retrophyllum* C. N. Page; *Saxegothaea* Lindl.; *Saxegothea* Lindl.; *Sciadopitys* Siebold & Zucc.; *Sequoia* Endl.; *Sequoiadendron* J. Buchholz; *Sundacarpus* (J. Buchholz & N. E. Gray) C. N. Page; *Taiwania* Hayata; *Taxodium* Rich.; *Taxus* L.; *Tetraclinis* Mast.; *Thuja* L.; *Thujopsis* Siebold & Zucc. ex Endl.; *Torreya* Arn.; *Tsuga* Carri re; *Widdringtonia* Endl.; *Wollemia* W. G. Jones et al.
New registrations appear in:	American Conifer Society Bulletin; RHS Cultivar Registration Bulletin
This page revised:	20/1/2026

Regional Representation:
USA
THE DAWES ARBORETUM (Conifer Registrations)
Contact: The Dawes Arboretum (Conifer Registrations), 7770 Jacksontown Rd, Newark, OH 43056, USA
Email:

Current Publications:
Lewis, J. 1987. International Conifer Register Part 1: Abies to Austrotaxus. Royal Horticultural Society, London.
Lewis, J. 1989. International Conifer Register Part 2: Belis to Pherosphaera. Royal Horticultural Society, London.
Lewis, J. 1992. International Conifer Register Part 3: The Cypresses Chamaecyparis, Cupressus and XCupressocyparis. Royal Horticultural Society, London.
Lewis, J. 1998. International Conifer Register Part 4: Juniperus. Royal Horticultural Society, London.