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International Registration Authorities
General
Bulbous, cormous, and tuberous-rooted plants, excluding Dahlia, Lilium, and Narcissus:
Dr. Johan van Scheepen, Royal General Bulbgrowers' Association (KAVB), Postbus 175, NL-2180 AD Hillegom, The Netherlands. E-mail: kavb@bulbgrowing.nl, fax: (31) 252 51 9714.Hardy Herbaceous Perennials, excluding those genera or other groups for which other IRAs have been appointed:
International Stauden Union (ISU), Attn: Dr. Josef Sieber, Institut für Stauden und Gehölze, Versuchanstalt für Gartenbau Weihenstephan, Murstrasse 22, D-85356 Freising, Germany. Fax: (49) 816 18 3616.Woody Plant Genera, excluding those genera or other groups for which other IRAs have been appointed.
The American Association of Botanical Gardens and Arboreta, Attn: Dr. Steven Clemants, Brooklyn Botanic Garden, 1000 Washington Ave., Brooklyn, NY 11225. E-mail: steveclemants@bbg.org, fax: (718) 941-4774.Regional
Australian Plant Genera, excluding those genera or groups for which other IRAs have been appointed:
Australian Cultivar Registration Authority, Attn: Iain Dawson, Australian National Botanic Gardens, GPO Box 1777, Canberra, ACT 2602, Australia. E-mail: idawson@anbg.gov.au, fax: (61) 6 250 9599.Taxonomic
Acacia
Australia Cultivar Registration Authority, Attn: Iain Dawson, Australian National Botanic Gardens, GPO Box 1777, Canberra, ACT 2602, Australia. E-mail: idawson@anbg.gov.au, fax: (61) 6 250 9599.Aloe
A. J. Bezuidenhout, South African Aloe Breeders Assoc., P.O. Box 59904, Karen Park, 0118, Pretoria, Republic of South Africa.Amelanchier
Dr. Richard St. Pierre, Dept. of Horticulture Science, Univ. of Saskatchewan, Saskatoon, Saskatchewan S7N 0W0, Canada.Andromeda
The Heather Society of Great Britain, Attn: A. W. Jones, Otters Court, West Camel, Somerset BA22 7QF, UK.Araceae
The International Aroid Society, Attn: John Banta, Route 2, Box 144, Alva, FL 33920.Begonia
The American Begonia Society, Attn: Carrie Karegeannes, 3916 Lake Boulevard, Annandale, VA 22003.Bougainvillea
Dr. Brijendra Singh, Div. of Floriculture & Landscaping, Indian Agricultural Research Institute (IARI), New Delhi, 110012, India.Bromeliaceae
The Bromeliad Society International, Attn: Ellen Baskerville, Marie Selby Botanical Gardens, 811 South Palm Ave., Sarasota, FL 34236. Fax: (914) 951-1474.Bruckenthalia
The Heather Society of Great Britain, Attn: A. W. Jones, Otters Court, West Camel, Somerset BA22 7QF, UK.Buxus
The American Boxwood Society, Attn: Lynn R. Batdorf, U.S. National Arboretum, 3501 New York Ave. NE, Washington, DC 20002. Fax: (202) 245-4575.Callistephus
Prof. Dr. K. Zimmer & Renate Noack, Institut für Zierpflanzenbau, Herrenhäuser Strasse 2, D-30419 Hannover-Herrenhausen, Germany. Fax: (49) 511 76 22654.Calluna
The Heather Society of Great Britain, Attn: A. W. Jones, Otters Court, West Camel, Somerset BA22 7QF, UK.Camellia, North America representative
The American Camellia Society, Attn: Edith Mazzei, Concord, 1486 Yosemite Circle, CA 94521.Chaenomeles
Dr. Stephen A. Spongberg, Arnold Arboretum, Jamaica Plain, MA 02130. E-mail: spongberg@arnarb.harvard.edu, fax: (617) 524-1418.Clematis
The Royal Horticultural Society, Attn: V. A. Matthews, 7350 SW-173rd Street, Miami, FL 33157-4835.Conifers, North American representative
The American Conifer Society, Attn: Susan Martin, U.S. National Arboretum, 3501 New York Ave. NE, Washington, DC 20002, USA. Fax: (202) 245-4575.Coprosma
The Royal New Zealand Institute of Horticulture Inc., Attn: L. J. Metcalf, "Greenwood," Stringers Creek, RD1, Richmond, Nelson, New Zealand.Cornus
Dr. Stephen A. Spongberg, Arnold Arboretum, Jamaica Plain, MA 02130. E-mail: spongberg@arnarb.harvard.edu, fax: (617) 524-1418.Cotoneaster
Allen Coombes, Sir Harold Hillier Gardens and Arboretum, Jermyns Lane, Ampfield, Romsey, Hampshire SO51 0QA, UK.Cyperaceae
The Hardy Plant Society, Attn: Dr. Alan C. Leslie, Monksilver, 72 Boxgrove Road, Guildford, Surrey GU1 1UD, United Kingdom. Fax: (44) 1483 211750.Daboecia
The Heather Society of Great Britain, Attn: A. W. Jones, Otters Court, West Camel, Somerset BA22 7QF, UK.Dahlia
David Pycraft, Royal Horticultural Society's Garden, Wisley, Woking, Surrey GU23 6QB, UK. Fax: (44) 1483 211750.Delphinium (perennials only)
Dr. Alan C. Leslie, Royal Horticultural Society's Garden, Wisley, Woking, Surrey, GU23 6QB, UK. E-mail: acl.reg@dial.pipex.com, fax: (44) 1483 211750.Dianthus, North American representative
American Dianthus Society, Attn: R. B. Lee, P.O.Box 22232, Santa Fe, NM 87502, USA.Erica
The Heather Society of Great Britain, Attn: A. W. Jones, Otters Court, West Camel, Somerset BA22 7QF, UK.Escallonia
Dr. Elizabeth McClintock, 1551 9th Ave., San Francisco, CA 94122.Fagus
Dr. Stephen A. Spongberg, Arnold Arboretum, Jamaica Plain, MA 02130. E-mail: spongberg@arnarb.harvard.edu, fax: (617) 524-1418.Forsythia
Dr. Stephen A. Spongberg, Arnold Arboretum, Jamaica Plain, MA 02130. E-mail: spongberg@arnarb.harvard.edu, fax: (617) 524-1418.Fuchsia
The American Fuchsia Society, Attn: Delight A. Logan, 8710 South Sheridan Ave., Reedley, CA 93654.Gesnericeae (excluding Saintpaulia)
The American Gloxinia and Gesneriad Society Inc., Attn: Judy Becker, 432 Undermountain Road, Route 41, Salisbury, CT 06068.Gladiolus (excluding species and early-flowering cultivars)
The North American Gladiolus Council, Attn: Samuel N. Fisher, 11734 Road 33 1/2, Madera, CA 93638.Gleditsia
Dr. Stephen A. Spongberg, Arnold Arboretum, Jamaica Plain, MA 02130. E-mail: spongberg@arnarb.harvard.edu, fax: (617) 524-1418.Hebe
The Royal New Zealand Institute of Horticulture Inc., Attn: L. J. Metcalf, "Greenwood," Stringers Creek, RD1, Richmond, Nelson, New Zealand.Hedera
The American Ivy Society, Attn: Dr. Sabine M. Sulgrove, 2624 Centre Creek Circle, Spring Valley, OH 45370.Hemerocallis
The American Hemerocallis Society, Attn: W. C. Monroe, 7015 Chandler Drive, Baton Rouge, LA 70808.Hibiscus rosa-sinensis
The Australian Hibiscus Society, Attn: Christopher Noble, 61 Cockatoo Court, Caboolture, Queensland 4510, Australia.Hosta
The American Hosta Society, Attn: David H. Stevenson, Univ. of Minnesota Landscape Arboretum, P.O. Box 39, 3675 Arboretum Drive, Chanhassen, MN 55317. E-mail: steve021@maroon.tc.umn.edu, fax: (612) 443-2521.Hydrangea
Dr. Elizabeth McClintock, 1551 9th Ave., San Francisco, CA 94122.Ilex
The Holly Society of America, Attn: Gene K, Eisenbeiss, U.S. National Arboretum, 3501 New York Ave. NE, Washington, DC 20002. Fax: (202) 245-4575.Iris (excluding bulbous species)
The American Iris Society, Attn: Kay Keppel, P.O. Box 18145, Salem, OR 97305.Jovibarba
The Sempervivum Society, Attn: Peter J. Mitchell, 11 Wingle Tye Road, Burgess Hill, West Sussex RH15 9HR, UK. Fax: (44) 1444 236848.Juncaceae
The Hardy Plant Society, Attn: Dr. Alan C. Leslie, Monksilver, 72 Boxgrove Road, Guildford, Surrey GU1 1UD, UK. Fax: (44) 1483 211750.Kalmia
Dr. Richard A. Jaynes, Broken Arrow Nursery, 13 Broken Arrow Road, Hamden, CT 06518.Lagerstroemia
The United States National Arboretum, 3501 New York Ave. NE, Washington, DC 20002. Fax: (202) 245-4575.Lantana
Dr. Stephen A. Spongberg, Arnold Arboretum, Jamaica Plain, MA 02130. E-mail: spongberg@arnarb.harvard.edu, fax: (617) 524-1418.Leptospermum
The Royal New Zealand Institute of Horticulture Inc., Attn: L. J. Metcalf, "Greenwood," Stringers Creek, RD1, Richmond, Nelson, New Zealand.Lilium
Dr. Alan C. Leslie, Royal Horticultural Society's Garden, Wisley, Woking, Surrey, GU23 6QB, UK. E-mail: acl.reg@dial.pipex.com, fax: (44) 1483 211750.Magnolia
The Magnolia Society, Attn: Dorothy J. Callaway, 8198 N. 83rd Ave., West Baxter, IA, 50028, E-mail: callaway4@earthlink.net Dorothy CallawayMalus (ornamental cultivars only)
Dr. Stephen A. Spongberg, Arnold Arboretum, Jamaica Plain, MA 02130. E-mail: spongberg@arnarb.harvard.edu, fax: (617) 524-1418.Mangifera indica
Dr. S. N. Pandey, Div. of Fruits & Horticultural Tech., Indian Agricultural Research Institute (IARI), New Delhi, 110012, India.Narcissus, North American representative:
The American Daffodil Society, Attn: Mary Lou Gripshover, 1686 Grey Fox Trails, Milford, OH 45150. Fax: (513) 248-0898.Nelumbo
The International Water Lily Society, Attn: Philip R. Swindells, Vale Lodge, Ropley, Harrogate, North Yorkshire HG3 3AY, UK. Fax: (44) 1423 568080.Nymphaea
The International Water Lily Society, Attn: Philip R. Swindells, Vale Lodge, Ropley, Harrogate, North Yorkshire HG3 3AY, UK. Fax: (44) 1423 568080.Orchidaceae
The Royal Horticultural Society, Attn: Peter F. Hunt, P.O. Box 1072, Frome, Somerset BA11 5NY, UK. Fax: (44) 171 630 6060 or (44) 1483 21170705.Paeonia
The American Peony Society, Attn: Greta Kessenich, 250 Interlachen Road, Hopkins, MN 55343.Pelargonium
The Australian Geranium Society, Attn: J. D. Llewellyn, "Nyndee," 56 Torokina Ave., St. Ives, New South Wales, 2075, Australia.Penstemon
The American Penstemon Society, Attn: Dr. Dale T. Lindgren, Univ. of Nebraska, West Central Center, Route 4, Box 46A, North Platte, NE 69101, USA.Petunia
Prof. Dr. K. Zimmer & Renate Noack, Institut für Zierpflanzenbau, Herrenhäuser Strasse 2, D-30419 Hannover-Herrenhausen, Germany. Fax: (49) 511 76 22 654.Philadelphus
Dr. Stephen A. Spongberg, Arnold Arboretum, Jamaica Plain, MA 02130. E-mail: spongberg@arnarb.harvard.edu, fax: (617) 524-1418.Phormium
The Royal New Zealand Institute of Horticulture Inc., Attn: L. J. Metcalf, "Greenwood," Stringers Creek, RD1, Richmond, Nelson, New Zealand.Pieris
Dr. Stephen A. Spongberg, Arnold Arboretum, Jamaica Plain, MA 02130. E-mail: spongberg@arnarb.harvard.edu, fax: (617) 524-1418.Pittosporum
The Royal New Zealand Institute of Horticulture Inc., Attn: L. J. Metcalf, "Greenwood," Stringers Creek, RD1, Richmond, Nelson, New Zealand.Plumeria
The Plumeria Society of America Inc., Attn: John P. Oliver, P.O. Box 22791, Houston, TX 77227-2791.Poaceae (excluding turf, silage, and cereal crops)
The Hardy Plant Society, Attn: Dr. Alan C. Leslie, Monksilver, 72 Boxgrove Road, Guildford, Surrey GU1 1UD, UK. Fax: (44) 1483 211750.Populus
J. B. Ball, Secretary, International Poplar Commission, Food and Agriculture Organization of the United Nations (FAO), Viale delle Terme di Caracalla, 00100 Rome, Italy. E-mail: james.ball@fao.org, fax: (39) 6 522 5137.Potentilla fruticosa
Dr. Campbell G. Davidson, Agriculture Canada Research Station, Unit 100-101, Route 100, Morden, Manitoba R6M 1Y5, Canada. Fax: (204) 822-6841.Proteaceae
M. S. Joubert, Directorate of Plant Quality Control, Dept. of Agriculture, Private Bag X258, Pretoria 0001, Republic of South Africa. Fax: (27) 12 319 6055.Pyracantha
The United States National Arboretum, 3501 New York Ave. NE, Washington, DC 20002. Fax: (202) 245-4575.Rhododendron, North American Representative:
The American Rhododendron Society, Attn: J. W. Murray, 21 Squire Terrace, Colts Neck, NJ 07722.Rosa
Michael C. Kromer, American Rose Society, P.O. Box 30,000, Shreveport, LA 71130-0030. Fax: (318) 938-5405.Rosularia
The Sempervivum Society, Attn: Peter J. Mitchell, 11 Wingle Tye Road, Burgess Hill, West Sussex RH15 9HR, UK. Fax: (44) 1444 236848.Saintpaulia
The African Violet Society of America Inc., Attn: Iris Keating, 149 Loretto Court, Claremont, CA 91711.Saxifraga
The Saxifrage Society, Attn: David Victor, The Old Stables, Church Lane, Hockliffe, Leighton Buzzard, Bedfordshire, LU7 9NL, UK. Fax: (44) 1525 210070.Sempervivum
The Sempervivum Society, Attn: Peter J. Mitchell, 11 Wingle Tye Road, Burgess Hill, West Sussex RH15 9HR, UK. Fax: (44) 1444 236848.Syringa
Freek Vrugtman, Royal Botanical Gardens, Box 399, Hamilton, Ontario L8N 3H8, Canada. Fax: (905) 577-0375.Tagetes
Prof. Dr. K. Zimmer & Renate Noack, Institut für Zierpflanzenbau, Herrenhäuser Strasse 2, D-30419 Hannover-Herrenhausen, Germany. Fax: (49) 511 76 22 654.Ulmus
Dr. Stephen A. Spongberg, Arnold Arboretum, Jamaica Plain, MA 02130. E-mail: spongberg@arnarb.harvard.edu, fax: (617) 524-1418.Viburnum
The United States National Arboretum, 3501 New York Ave. NE, Washington, DC 20002. Fax: (202) 245-4575.Weigela
Dr. Stephen A. Spongberg, Arnold Arboretum, Jamaica Plain, MA 02130. E-mail: spongberg@arnarb.harvard.edu, fax: (617) 524-1418.