Bibliography - Royal Horticultural Society

Bibliography - Royal Horticultural Society

786 Bibliography

This is by no means exhaustive but lists some of

the more useful works used in the preparation of the

RHS Plant Finder. The websites of raisers of new

plants (not listed here) are also an invaluable source

of information.


Allan, H.H., et al. 2000. Flora of New Zealand.


Ball Colegrave. 2007. Plant Catalogue 2008 & Seed

Catalogue 2008. West Adderbury, Oxon: Ball


Bean, W.J. 1988. Trees and Shrubs Hardy in the British

Isles. (8th ed.) Sir George Taylor, D.L. Clarke (eds).

Supp. D.L. Clarke (ed.). London: John Murray.

Beckett, K. (ed.). 1994. Alpine Garden Society

Encyclopaedia of Alpines. Pershore, Worcs.: Alpine

Garden Society.

Boufford, D.E., et al. (eds). 2003. Flora of Taiwan

Checklist. A checklist of the vascular plants of

Taiwan. Taipei, Taiwan: NTU.

Bramwell, D. & Bramwell, Z.I. 2001. Wild Flowers

of the Canary Islands. (2nd ed.). Madrid: Editorial

Rueda, S.L.

Brickell, C. (ed.). 2008. The Royal Horticultural

Society A-Z Encyclopedia of Garden Plants.

(3rd ed.) London: Dorling Kindersley.

Brickell, C.D. et al (eds.). 2009. International Code of

Nomenclature for Cultivated Plants (8th ed.). ISHS.

Brummitt, R.K. (comp.). 1992. Vascular Plant

Families and Genera. Kew: Royal Botanic Gardens.

Castroviejo, S. et al. (eds). Flora Iberica. 1987-2007.

(Vols 1-8, 10, 14, 15, 21). Madrid: Real Jardín

Botánico, C.S.I.C.

Cave, Y. & Paddison, V. 1999. The Gardener’s

Encyclopaedia of New Zealand Native Plants.

Auckland: Godwit.

Cooke, I. 1998. The Plantfinder’s Guide to Tender

Perennials. Newton Abbot, Devon: David &


Cronquist, A., Holmgren, A.H., Holmgren, N.H.,

Reveal, J.L. & Holmgren, P.H. et al. (eds).

Intermountain Flora: Vascular Plants of the

Intermountain West, USA. (1986-97). (Vols 1,

3-6). New York: New York Botanical Garden.

Davis, P.H., Mill, R.R. & Tan, K. (eds). 1965-88.

Flora of Turkey and the East Aegean Island. (Vols

1-10). Edinburgh University Press.

Goldblatt, P. & Manning, J. 2000. Cape Plants. A

Conspectus of the Cape Flora of South Africa. South

Africa/USA: National Botanical Institute of South

Africa/Missouri Botanical Garden.


Greuter, W., Brummitt, R.K., Farr, E., Kilian, N.,

Kirk, P.M. & Silva, P.C. (comps). 1993. NCU-3.

Grierson, A.J.C., Long, D.G. & Noltie, H.J. et al.

(eds). 2001. Flora of Bhutan. Edinburgh: Royal

Botanic Garden.

Grimshaw, J. & Bayton, R. 2009. New Trees. Recent

Introductions to Cultivation. Kew: Royal Botanic


Güner, A., Özhatay, N., Ekîm, T., Baser, K.H.C. &

Hedge, I.C. 2000. Flora of Turkey and the East

Aegean Islands. Supp. 2. Vol. 11. Edinburgh:

Edinburgh University Press.

Hickman, J.C. (ed.). 1993. The Jepson Manual.

Higher Plants of California. Berkeley & Los

Angeles: University of California Press. Jan 2010.

Hillier, J. & Coombes, A. (eds). 2002. The Hillier

Manual of Trees & Shrubs. (7th ed.). Newton

Abbot, Devon: David & Charles.

Hirose, Y. & Yokoi, M. 1998 & 2001. Variegated

Plants in Colour. Vols 1 & 2. Iwakuni, Japan:

Varie Nine.

Hoffman, M. (ed.). 2005. List of Woody Plants.

International Standard ENA 2005-2010.

Netherlands: Applied Plant Research.

Huxley, A., Griffiths, M. & Levy, M. (eds). 1992.

The New RHS Dictionary of Gardening. London:


Iwatsuki, K., et al. 1995. Flora of Japan. Vols I-IIIb.

Tokyo, Japan: Kodansha Ltd.

Jelitto, L. & Schacht, W.R., Simon, H. 2002. Die

Freiland-Schmuchstauden. Germany: Verlag Eugen


Krüssmann, G. & Epp, M.E. (trans.). 1986. Manual

of Cultivated Broad-leaved Trees and Shrubs.

London: Batsford (3 vols).

Leslie, A.C. (trans.). New Cultivars of Herbaceous

Perennial Plants 1985-1990. Hardy Plant


Mabberley, D.J. 2008. Mabberley’s Plant Book. A

Portable Dictionary of Plants, their Classification

and Uses. (3rd ed.). Cambridge: Cambridge

University Press.

McNeill, J. et al. (eds). 2006. International Code of

Botanical Nomenclature (Vienna Code). Ruggell,

Liechtenstein: A.R.G. Gantner Verlag. Jan 2010.

Metcalf, L.J. 1987. The Cultivation of New Zealand

Trees and Shrubs. Auckland: Reed Methuen.

Nelson, E.C. 2000. A Heritage of Beauty: The Garden

Plants of Ireland: An Illustrated Encyclopaedia.

Dublin: Irish Garden Plant Society.

Ohwi, J. 1965. Flora of Japan. Washington DC:

Smithsonian Institution.

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Phillips, R. & Rix, M. 1997. Conservatory and

Indoor Plants. London: Macmillan. (2 vols).

Platt, K. (comp.). 2002. The Seed Search. (5th ed.).

Sheffield: Karen Platt.

Press, J.R. & Short, M.J. (eds). 1994. Flora of Madeira.

London: Natural History Museum/HMSO.

Rehder, A. 1940. Manual of Cultivated Trees and

Shrubs Hardy in North America. (2nd ed.). New

York: Macmillan.

Rice, G. (ed.), 2006. Encyclopedia of Perennials.

London: Dorling Kindersley.

Stace, C. 2010. New Flora of the British Isles.

(3rd ed.). Cambridge: Cambridge University


Stearn, W.T. 1992. Botanical Latin. (4th ed.).

Newton Abbot, Devon: David & Charles.

Stearn, W.T. 1996. Stearn’s Dictionary of Plant

Names for Gardeners. London: Cassell.

Thomas, G.S. 1990. Perennial Garden Plants. A

Modern Florilegium. (3rd ed.). London: Dent.

Trehane, P. (comp.). 1989. Index Hortensis. Vol. 1:

Perennials. Wimborne: Quarterjack

Tutin, T.G., et al. (ed.). 1993. Flora Europaea. Vol.

1. Psilotaceae to Platanaceae. (2nd ed.). Cambridge

University Press.

Tutin, T.G., et al. 1964. Flora Europaea. Cambridge

University Press. Vols 1-5. http://rbg-web2.rbge.

Walter, K.S. & Gillett, H.J. (eds). 1998. 1997

IUCN Red List of Threatened Plants. Gland,

Switzerland and Cambridge, UK: IUCN.

Walters, S.M. & Cullen, J. et al. (eds). 2000. The

European Garden Flora. Cambridge: Cambridge

University Press. (6 vols).

General Periodicals


New, Rare and Unusual Plants.

The Hardy Plant Society. The Hardy Plant.

The Hardy Plant Society. The Sport.

Internationale Stauden-Union. ISU Yearbook.

Royal Horticultural Society. Hanburyana.

Royal Horticultural Society. The Garden.

Royal Horticultural Society. The Plantsman.

Royal Horticultural Society. The New Plantsman.

Royal Horticultural Society. The Plantsman (new


General Websites

Annotated Checklist of the Flowering Plants of

Nepal. Jan 2010

Australian Cultivar Registration Authority. Jan 2010.

Australian Plant Breeders Rights: Database Search.

Jan 2010.



Australian Plant Names Index. Australian National

Botanic Gardens (comp.). Jan 2010. www.anbg.

Bolivia Checklist. Jan 2010.


Botanical Expedition in Myanmar Checklist. Jan



Brand, H. UConn Plant Database of Trees Shrubs

and Vines. Jan 2010.

Canadian Ornamental Plant Foundation. Jan 2010.

Canadian Plant Breeders Rights Office: Canadian

Food Inspection Agency. Jan 2010. www.

Catálogo de las Plantas Vasculares de las República

Argentina. Jan 2010.


Catalogue of the Vascular Plants of Madagascar:

Darwin Checklist of Moroccan Vascular Plants

DEFRA Plant Varieties and Seeds Gazette. Jan 2010.

Flora Himalaya Database. Jan 2010.

Flora Mesoamericana Internet Version (W3FM). Jan

2010. Missouri Botanical Garden. www.mobot.


Flora of Australia Online. Jan 2010. Australian

Biological Resources Study.


Flora of Chile. Jan 2010.


Flora of China Checklist. Jan 2010. http://flora.huh.

Flora of Pakistan. Jan 2010.


Flora of North America Website. Jan 2010. Morin,

N.R., et al.

GRIN (Germplasm Resources Information

Network) Taxonomy. Jan 2010.

Hatch, D. Jan 2010. New Ornamentals Society



International Plant Names Index. Jan 2010. www.

International Plant Names Index: Author Query. Jan


IOPI Provisional Global Plant Checklist. Jan 2010.

Manaaki Whenua: Landcare Research in New

Zealand Plants Database Jan 2010. http://nzflora.

Manual de plantas de Costa Rica. Jan 2010. www.

Plant List, The. A working list of all plant species

PF 2012-2013.indb 787 08/03/2012 10:44

788 Bibliography

Plants Database. USDA, NRCS. Jan 2010. http://

Plants of Southern Africa: an Online Checklist. Jan


PLUTO: Plant Variety Database

New Zealand Plant Variety Rights Office www.

Royal Horticultural Society.


Synonymized Checklist of the Vascular Flora of the

United States, Puerto Rico and the Virgin Isles.

BIOTA of North America Program. Jan 2010.

Tropicos. Jan 2010.

US Patent Full-Text Database. US Patent and Trademark

Office, (comp.). Jan 2010.

World Checklist of Selected Families. 2010. apps.

Genera And Other Plant Groupings


Gregory, P. & Angus, H. 2008. World Checklist of

Maple Cultivar Names. Forestry Commission

National Arboreta.

Harris, J.G.S. 2000. The Gardener’s Guide to

Growing Maples. Newton Abbot, Devon: David &


Van Gelderen, C.J. & Van Gelderen, D.M. 1999.

Maples for Gardens. A Color Encyclopedia.

Portland, Oregon: Timber Press.

Vertrees, J.D. 2001. Japanese Maples. Momiji and

Kaede. (3rd ed.). Portland, Oregon: Timber Press.


Compton, J.A., Culham, A. & Jury, S.L. 1998.

Reclassification of Actaea to Include Cimicifuga

and Souliea (Ranunculaceae). Taxon 47:593-634.


Goudey, C.J. 1985. Maidenhair Ferns in Cultivation.

Melbourne: Lothian.


Snoeijer, W. 2004. Agapanthus. A Revision of the

Genus. Portland, Oregon: Timber Press.


Irish, M. & Irish, G. 2000. Agaves, Yuccas and

Related Plants. A Gardener’s Guide. Portland,

Oregon: Timber Press.


Burgoyne, P. et al. 1998. Mesembs of the World.

Illustrated Guide to a Remarkable Succulent Group.

South Africa: Briza Publications.


Davies, D. 1992. Alliums. The Ornamental Onions.

London: Batsford

Gregory, M., et al. 1998. Nomenclator Alliorum.

Kew: Royal Botanic Gardens.

Mathew, B. 1996. A Review of Allium Section Allium.

Kew: Royal Botanic Gardens.


Smith, G. & Lowe, D. 1997. The Genus Androsace.

Pershore, Worcs.: Alpine Garden Society.

Anemone, Japanese

McKendrick, M. 1990. Autumn Flowering

Anemones. The Plantsman 12(3):140-151.

McKendrick, M. 1998. Japanese Anemones. The

Garden (RHS) 123(9):628-633.


Leslie, A. 1997. Focus on Plants: Anthemis tinctoria.

The Garden (RHS) 122(8):552-555.


Pimenov, M.G. & Leonov, M.V. 1993. The Genera

of the Umbelliferae. Kew: Royal Botanic Gardens.


Munz, P.A. 1946. Aquilegia: the Cultivated and

Wild Columbines. Gentes Herb. 7(1):1-150.


Govaerts, R. & Frodin, D.G. 2002. World Checklist

and Bibliography of Araceae (and Acoraceae).

Kew:Royal Botanic Gardens


Govaerts, R. & Frodin, D.G. 2002. World Checklist

and Bibliography of Araliaceae. Kew:Royal Botanic


Arecaceae (palms)

Craft, P. & Riffle, R.L. 2003. Encyclopedia of

Cultivated Palms. Portland, Oregon: Timber Press.

Uhl, N.W. & Dransfield, J. 1987. Genera Palmarum.

A Classification of Palms Based on the Work of

Harold E. Moore Jr. Lawrence, Kansas: Allen Press.


Humphries, C.J. 1976. A Revision of the

Macaronesian Genus Argyranthemum. Bull. Brit.

Mus. (Nat. Hist.) Bot. 5(4):145-240.


Gusman, G. & Gusman, L. 2002. The Genus

Arisaema: A Monograph for Botanists and Nature

Lovers. Ruggell, Leichtenstein: A.R. Gantner

Verlag Kommanditgesellschaft.

Pradhan, U.C. 1997. Himalayan Cobra Lilies

(Arisaema). Their Botany and Culture. (2nd ed.).

Kalimpong, West Bengal, India: Primulaceae Books.


Bown, D. 2000. Plants of the Arum Family.

(2nd ed.). Portland, Oregon: Timber Press.

Boyce, P. 1993. The Genus Arum. London:



Eggli, U. (ed.). 2002. Illustrated Handbook of

Succulent Plants: Asclepiadaceae. Heidelberg,

Germany: Springer-Verlag.


Picton, P. 1999. The Gardener’s Guide to Growing

Asters. Newton Abbot: David & Charles.


Bremer, K. et al. 1994. Asteraceae: Cladistics and

Classification. Portland, Oregon: Timber Press.

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Cubey, J. & Grant, M. 2004. Perennial Yellow

Daisies: RHS Bulletin No 6. Wisley, Surrey: RHS.


Noblett, H. 2001. Astilbe. A Guide to the

Identification of Cultivars and Common Species.

Cumbria: Henry Noblett.


1975. International Registration Authority Checklist.

Weihenstephan, Germany: (Unpublished).


Ohrnberger, D. 1999. The Bamboos of the World.

Amsterdam: Elsevier.


American Begonia Society Astro Branch Begonia

Data Base. Jan 2010.

American Begonia Society Registered Begonias. Jan


Ingles, J. 1990. American Begonia Society Listing of

Begonia Cultivars. Revised Edition Buxton

Checklist. American Begonia Society.

Tebbitt, M.C. 2005. Begonias: Cultivation,

Identification and Natural History. Portland,

Oregon: Timber Press.


Stearn, W.T. & Shaw, J.M.H. 2002. The Genus

Epimedium and Other Herbaceous Berberidaceae

including the Genus Podophyllum. Kew: Royal

Botanic Gardens.


Ashburner, K.B. 1980. Betula – a Survey. The

Plantsman 2(1):31-53.

Hunt, D. (ed.). 1993. Betula: Proceedings of the IDS

Betula Symposium 1992. Richmond, Surrey:

International Dendrology Society.


Bennett, M. 2003. Pulmonarias and the Borage

Family. London: Batsford.


Gillis, W.T. 1976. Bougainvilleas of Cultivation

(Nyctaginaceae). Baileya 20(1):34-41.

Iredell, J. 1990. The Bougainvillea Grower’s Handbook.

Brookvale, Australia: Simon & Schuster.

Iredell, J. 1994. Growing Bougainvilleas. London:


MacDaniels, L.H. 1981. A Study of Cultivars in

Bougainvillea (Nyctaginaceae). Baileya 21(2):77-100.

Singh, B., Panwar, R.S., Voleti, S.R., Sharma, V.K.

& Thakur, S. 1999. The New International

Bougainvillea Check List. (2nd ed.). New Delhi:

Indian Agricultural Research Institute.


Beadle, D.A. 1991. A Preliminary Listing of all the

Known Cultivar and Grex Names for the

Bromeliaceae. Corpus Christi, Texas: Bromeliad


Bromeliad Cultivar Registry Online Databases.

Bromeliad Society International. Jan 2010. www.




Wreggitt, L. et al. (comp.). Jan 2010. Register of

Brugmansia Cultivars and Checklist of Names in

Use. American Brugmansia and Datura Society.


Stuart, D.D. 2006. Buddlejas: Royal Horticultural

Society Collector Guide. Portland, Oregon: Timber



Leeds, R. 2000. The Plantfinder’s Guide to Early

Bulbs. Newton Abbot, Devon: David &


KAVB Online registration pages. Jan 2010. http://


Batdorf, L.R. 1995. Boxwood Handbook. A Practical

Guide to Knowing and Growing Boxwood. Boyce,

VA, USA: The American Boxwood Society. Jan



Hunt, D. et al. 2006. New Cactus Lexicon. (2 vols.)

Sherborne, Dorset: DH Books.


Trujillo, D. J. (ed.). 2002. Camellia Nomenclature.

(24th revd ed.). Southern California Camellia


Savige, T.J. (comp.). 1993. The International

Camellia Register. (Vol 1-2). Supp. 1997. The

International Camellia Society.


Lewis, P. & Lynch, M. 1998. Campanulas. A

Gardeners Guide. (2nd ed.). London: Batsford.

Lewis, P 2002. Campanulas in the Garden. Pershore,

Worcs.: Hardy Plant Society.


Lammers, T.G. 2007. World Checklist and

Bibliography of Campanulaceae. Kew Publishing.


Cooke, I. 2001. The Gardener’s Guide to Growing

Cannas. Newton Abbot, Devon: David &


Gray, J. & Grant, M. 2003. Canna: RHS Bulletin

No 3. Wisley, Surrey: RHS.

Hayward, K. Jan 2010.

Carnivorous Plants

Schlauer, J. (comp.). Jan 2010. Carnivorous Plant



Fross, D. & D. Wilken. 2006. Ceanothus. Portland,

Oregon: Timber Press.


Dosmann, M.S. 1999. Katsura: a Review of

Cercidiphyllum in Cultivation and in the Wild.

The New Plantsman 6(1):52-62.

Dosmann, M., Andrews, S., Del Tredici, P. & Li, J.

2003. Classification and Nomenclature of

Weeping Katsuras. The Plantsman 2(1):21-27.

PF 2012-2013.indb 789 08/03/2012 10:44

790 Bibliography


Weber, C. 1963. Cultivars in the Genus

Chaenomeles. Arnoldia (Jamaica Plain) 23(3):17-75.


Brummitt, D. 1997. Chrysanthemum Once Again.

The Garden (RHS) 122(9):662-663.

Gosling, S.G. (ed.). 1964. British National Register of

Chrysanthemums. Whetstone, London: National

Chrysanthemum Society.

National Chrysanthemum Society. 2000. British

National Register of Names of Chrysanthemums

Amalgamated Edition 1964-1999. Tamworth,

Staffordshire: National Chrysanthemum Society.

Cultivar database. Jan 2010. www.


Page, R.G. Feb 2007. Cistus and Halimium



Davies, F.S. & Albrigo, L.G. 1994. Citrus.

Wallingford, Oxon: Cab International.

Page, M. 2008. Growing Citrus. London: Timber Press

Saunt, J. 1990. Citrus Varieties of the World. An

Illustrated Guide. Norwich: Sinclair


Clematis on the Web. Jan 2008. www.clematis.hull.

Grey-Wilson, C. 2000. Clematis: the Genus. London:


HelpMeFind Clematis. Nov 2006. www.helpmefind.


Johnson, M. 2001. The Genus Clematis. Södertälje,

Sweden: Magnus Johnsons Plantskola AB & Bengt


Matthews, V. (comp.). 2002. The International

Clematis Register and Checklist 2002 & Supps 1-3.

2004-2009. London: RHS.

Toomey, M. & Leeds, E. 2001. An Illustrated

Encyclopedia of Clematis. Portland, Oregon:

Timber Press.


den Ouden, P. & Boom, B.K. 1965. Manual of

Cultivated Conifers. The Hague: Martinus Nijhof.

Eckenwalder, J.E. 2009. Conifers of the World.

China:Timber Press

Farjon, A. 1998. World Checklist and Bibliography of

Conifers. Kew: Royal Botanic Gardens.

Knees, S.G. & Springate, L.S. 2009. The

International Conifer Register, Pt 5. London: RHS.

Krüssmann, G. & Epp, M.E. (trans.). 1985. Manual

of Cultivated Conifers. London: Batsford.

Lewis, J. & Leslie, A.C. 1987-1998. The International

Conifer Register. Pts 1-4. London: RHS.

Welch, H.J. 1979. Manual of Dwarf Conifers. New

York: Theophrastus.

Welch, H.J. 1991. The Conifer Manual. Vol. 1.

Dordrecht, Netherlands: Kluwer Academic


Welch, H.J. 1993. The World Checklist of Conifers.

Bromyard, Herefordshire: Landsman’s Bookshops Ltd.


Cappiello, P. & Shadow, D. 2005. Dogwoods.

Portland, Oregon: Timber Press.

Howard, R.A. 1961. Registration Lists of Cultivar

Names in Cornus L. Arnoldia (Jamaica Plain)



Lidén, M. & Zetterlund, H. 1997. Corydalis. A

Gardener’s Guide and a Monograph of the Tuberous

Species. Pershore, Worcs.: Alpine Garden Society

Publications Ltd.


Crawford, M. 1995. Hazelnuts: Production and Culture.

Dartington, Devon: Agroforestry Research Trust.


Fryer, J. & Hylmö, B. 1998. Seven New Species of

Cotoneaster in Cultivation. The New Plantsman


Fryer, J. & Hylmö, B. 2001. Captivating

Cotoneasters. The New Plantsman 8(4):227-238.

Fryer, J. & Hylmö, B. 2009. Cotoneasters. A

Comprehensive Guide to Shrubs for Flowers, Fruit

and Foliage. Portland, Oregon: Timber Press.


Rowley, G. 2003. Crassula: A Grower’s Guide.

Venegono superiore, Italy: Cactus & Co.

Eggli, U. (ed.) 2003. Illustrated Handbook of

Succulent Plants. Springer.


Goldblatt, P., Manning, J.C. & Dunlop, G. 2004.

Crocosmia and Chasmanthe. Portland, Oregon:

Timber Press.


Jacobsen, N., van Scheepen, J. & Ørgaard, M. 1997.

The Crocus chrysanthus – biflorus Cultivars. The

New Plantsman 4(1):6-38.

Mathew, B. 1982. The Crocus. A Review of the Genus

Crocus (Iridaceae). London: Batsford.

Mathew, B. 2002. Crocus Up-date. The Plantsman



Clennett, C. Jan. 2003. Register of Cultivar Names.

Grey-Wilson, C. 2003. Cyclamen. A Guide for

Gardeners, Horticulturists & Botanists. London:


Grey-Wilson, C. 2002 Sprenger’s Alpine Cyclamen.

The Plantsman 1(3):173-177.


Cribb, P. 1997. The Genus Cypripedium. Portland,

Oregon: Timber Press.


American Dahlia Society website. Jan 2010. www.

Bates, D. Dahlia Plant Finder 2007. Jan 2010. www.

PF 2012-2013.indb 790 08/03/2012 10:44

National Dahlia Society. 2005. Classified Directory

and Judging Rules. (28th ed.) Aldershot, Hants:

National Dahlia Society.

RHS & Hedge, R. (comps). 1969. Tentative

Classified List and International Register of Dahlia

Names 1969 & Supps 1-13. Supps 13-20. 2002-

09. London: RHS.

Winchester Growers Ltd English National Dahlia

Collection website. Jan 2010.


Brickell, C.D. & Mathew, B. 1976. Daphne. The

Genus in the Wild and in Cultivation. Woking,

Surrey: Alpine Garden Society.

Grey-Wilson, C. (ed.). 2001. The Smaller Daphnes.

The Proceedings of ‘Daphne 2000’, a Conference

held at the Royal Horticultural Society. Pershore,

Worcs.: Alpine Garden Society.

White, R. 2006. Daphnes: A Practical Guide for

Gardeners. Portland, Oregon: Timber Press.


1949. A Tentative Check-list of Delphinium Names.

London: RHS.

1970. A Tentative Check-list of Delphinium Names.

Addendum. London: RHS.

Bassett, D. & Wesley, W. 2004. Delphinium: RHS

Bulletin No 5. Wisley, Surrey: RHS.

Leslie, A.C. 1996. The International Delphinium Register

Cumulative Supp. 1970-1995. London: RHS.

Leslie, A.C. 1996-2005. The International

Delphinium Register Supp. 1994-99. The

Delphinium Society Year Book 1996-2005. London:



Galbally, J. & Galbally, E. 1997. Carnations and

Pinks for Garden and Greenhouse. Portland,

Oregon: Timber Press.

Leslie, A.C. The International Dianthus Register.

1983-2002. (2nd ed. & Supps 1-19). Supps

19-27, 2002-11. London: RHS.


Hilliard, O.M. & Burtt, B.L. 1991. Dierama. The

Harebells of Africa. Johannesburg; London: Acorn



Grey-Wilson, C. 1989. The Genus Dionysia.

Woking, Surrey: Alpine Garden Society.


Mitchell, B. 1999. Celebrating the Bicentenary of

David Douglas: a Review of Douglasia in

Cultivation. The New Plantsman 6(2):101-108.


Bos, J.J., Graven, P., Hetterscheid, W.L.A. & van de

Wege, J.J. 1992. Wild and cultivated Dracaena

fragrans. Edinburgh J. Bot. 49(3):311-331.


Schulz, L. & Kapitany, A. Echeveria Cultivars.

Teesdale, Australia: Schulz Publishing.




Dates, J.D. 1993. The Gesneriad Register 1993.

Check List of Names with Descriptions of

Cultivated Plants in the Genera Episcia & Alsobia.

Galesburg, Illinois: American Gloxinia &

Gesneriad Society, Inc.

Erica (see also Heathers)

Baker, H.A. & Oliver, E.G.H. 1967. Heathers in

Southern Africa. Cape Town: Purnell.

Schumann, D., Kirsten, G. & Oliver, E.G.H. 1992.

Ericas of South Africa. Vlaeberg, South Africa:

Fernwood Press.


Clifton, R. 1994. Geranium Family Species Checklist.

Pt 1 Erodium. (4th ed.). The Geraniaceae Group.

Leslie, A.C. 1980. The Hybrid of Erodium corsicum

with Erodium reichardii. The Plantsman 2:117-126.

Toomey, N., Cubey, J. & Culham, A. 2002.

Erodium × variabile. The Plantsman 1(3): 166-172

Victor, D.X. (comp.). 2000. Erodium: Register of

Cultivar Names. The Geraniaceae Group.


Mathew, B. 1992. A Taxonomic and Horticultural

Review of Erythronium L. (Liliaceae). J. Linn. Soc.,

Bot. 109:453-471.

Mathew, B. 1998. The Genus Erythronium. Bull.

Alpine Gard. Soc. Gr. Brit. 66(3):308-321.

Eupatorium sensu lato

Hind, D.J.N. 2006. Splitting Eupatorium. The

Plantsman (n.s.) 5(2):185-189.


Brown, N. 1996. Notes on Cultivated Species of

Euonymus. The New Plantsman 3(4):238-243.

Lancaster, C.R. 1981. An Account of Euonymus in

Cultivation and its Availability in Commerce. The

Plantsman 3(3):133-166.

Lancaster, C.R. 1982. Euonymus in Cultivation –

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