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. 

General 

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

Wellington. http://floraseries.landcareresearch.co.nz 

Ball Colegrave. 2007. Plant Catalogue 2008 & Seed 

Catalogue 2008. West Adderbury, Oxon: Ball 

Colegrave. 

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. http://tai2.ntu.edu.tw 

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. 

http://data.kew.org 

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 & 

Charles. 

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. 

Bibliography 

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 

Gardens. 

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. 

http://ucjeps.berkeley.edu/interchange.html 

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: 

Macmillan. 

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 

Ulmer. 

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 

Society. 

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. 

http://ibot.sav.sk. 

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 

Press. 

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 


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

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

org.uk 

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 

Dendroflora 

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 

series). 

General Websites 

Annotated Checklist of the Flowering Plants of 

Nepal. Jan 2010 www.efloras.org/flora_pageaspx?_id=110 

Australian Cultivar Registration Authority. Jan 2010. 

www.anbg.gov.au/acra 

Australian Plant Breeders Rights: Database Search. 

Jan 2010. http://pbr.ipaustralia.optus.com.au 


787 

Australian Plant Names Index. Australian National 

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

gov.au/apni/index.html 

Bolivia Checklist. Jan 2010. www.efloras.org/flora_ 

page.aspx?flora_id=40 

Botanical Expedition in Myanmar Checklist. Jan 

2010. http://botany.si-edu/myanmar/ 

checklistNames.cfm 

Brand, H. UConn Plant Database of Trees Shrubs 

and Vines. Jan 2010. www.hort.uconn.edu 

Canadian Ornamental Plant Foundation. Jan 2010. 

www.copf.org 

Canadian Plant Breeders Rights Office: Canadian 

Food Inspection Agency. Jan 2010. www. 

inspection.gc.ca 

Catálogo de las Plantas Vasculares de las República 

Argentina. Jan 2010. www.darwin.edu.ar/ 

Publicaciones/catalogoVaseII/CatalogoVaseII.asp 

Catalogue of the Vascular Plants of Madagascar: 

www.efforas.org/flora_page.aspx?flora_id+12 

Darwin Checklist of Moroccan Vascular Plants 

www.herbarium.rdg.ac.uk/ 

DEFRA Plant Varieties and Seeds Gazette. Jan 2010. 

www.defra.gov.uk 

Flora Himalaya Database. Jan 2010. www.leca.univsavoie.fr 

Flora Mesoamericana Internet Version (W3FM). Jan 

2010. Missouri Botanical Garden. www.mobot. 

org/MOBOT/FM/intro.html 

Flora of Australia Online. Jan 2010. Australian 

Biological Resources Study. www.environment.gov.au/ 

biodiversity/abrs/online-resources/flora/index.html 

Flora of Chile. Jan 2010. www.efloras.org/flora_ 

page.aspx?flora_id=60 

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

harvard.edu/china 

Flora of Pakistan. Jan 2010. www.efloras.org/flora_ 

page.aspd?flora_id=5 

Flora of North America Website. Jan 2010. Morin, 

N.R., et al. www.efloras.org-page.aspx/flora_id=1 

GRIN (Germplasm Resources Information 

Network) Taxonomy. Jan 2010. www.ars-grin.gov 

Hatch, D. Jan 2010. New Ornamentals Society 

Database. http://members.tripod.com/~Hatch_L/ 

nos.html 

International Plant Names Index. Jan 2010. www. 

ipni.org 

International Plant Names Index: Author Query. Jan 

2010. www.ipni.org/ipni 

IOPI Provisional Global Plant Checklist. Jan 2010. 

www.bgbm.fu-berlin.de/iopi/gpl/query.asp 

Manaaki Whenua: Landcare Research in New 

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

landcareresearch.co.nz 

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

mobot.org/manual.plantas 

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

www.theplantlist.org. 

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

plants.usda.gov 

Plants of Southern Africa: an Online Checklist. Jan 

2010. http://posa.sanbi.org 

PLUTO: Plant Variety Database www.upov.int/pluto/en 

New Zealand Plant Variety Rights Office www. 

iponz.govt.nz/cms/pvr 

Royal Horticultural Society. www.rhs.org.uk/plants/ 

RHS-Publications/Plant-registers 

Synonymized Checklist of the Vascular Flora of the 

United States, Puerto Rico and the Virgin Isles. 

BIOTA of North America Program. Jan 2010. 

www.bonap.org 

Tropicos. Jan 2010. www.tropicos.org 

US Patent Full-Text Database. US Patent and Trademark 

Office, (comp.). Jan 2010. www.uspto.gov/patft 

World Checklist of Selected Families. 2010. apps. 

kew.org/wcsp 

Genera And Other Plant Groupings 

Acer 

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 & 

Charles. 

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. 

Actaea 

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

Reclassification of Actaea to Include Cimicifuga 

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

Adiantum 

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

Melbourne: Lothian. 

Agapanthus 

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

Genus. Portland, Oregon: Timber Press. 

Agavaceae 

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

Related Plants. A Gardener’s Guide. Portland, 

Oregon: Timber Press. 

Aizoaceae 

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

Illustrated Guide to a Remarkable Succulent Group. 

South Africa: Briza Publications. 

Allium 

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. 

Androsace 

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. 

Anthemis 

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

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

Apiaceae 

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

of the Umbelliferae. Kew: Royal Botanic Gardens. 

Aquilegia 

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

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

Araceae 

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

and Bibliography of Araceae (and Acoraceae). 

Kew:Royal Botanic Gardens 

Araliaceae 

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

and Bibliography of Araliaceae. Kew:Royal Botanic 

Gardens 

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. 

Argyranthemum 

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

Macaronesian Genus Argyranthemum. Bull. Brit. 

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

Arisaema 

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. 

Arum 

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

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

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

HMSO. 

Asclepiadaceae 

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

Succulent Plants: Asclepiadaceae. Heidelberg, 

Germany: Springer-Verlag. 

Aster 

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

Asters. Newton Abbot: David & Charles. 

Asteraceae 

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. 

Astilbe 

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

Identification of Cultivars and Common Species. 

Cumbria: Henry Noblett. 

Aubrieta 

1975. International Registration Authority Checklist. 

Weihenstephan, Germany: (Unpublished). 

Bamboos 

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

Amsterdam: Elsevier. 

Begonia 

American Begonia Society Astro Branch Begonia 

Data Base. Jan 2010. http://absastro.tripod.com 

American Begonia Society Registered Begonias. Jan 

2010. http://www.begonias.org 

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, 


Berberidaceae 

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

Epimedium and Other Herbaceous Berberidaceae 

including the Genus Podophyllum. Kew: Royal 

Botanic Gardens. 

Betula 

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. 

Boraginaceae 

Bennett, M. 2003. Pulmonarias and the Borage 

Family. London: Batsford. 

Bougainvillea 

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: 

Cassell. 

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. 

Bromeliaceae 

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. 

bsi.org 


789 

Brugmansia 

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

Brugmansia Cultivars and Checklist of Names in 

Use. American Brugmansia and Datura Society. 

www.abads.org 

Buddleja 

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

Society Collector Guide. Portland, Oregon: Timber 

Press. 

Bulbs 

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

Bulbs. Newton Abbot, Devon: David & 

Charles. 

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

kavb.back2p.soft-orange.com 

Buxus 

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

Guide to Knowing and Growing Boxwood. Boyce, 

VA, USA: The American Boxwood Society. Jan 

2010. www.boxwoodsociety.org 

Cactaceae 

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

Sherborne, Dorset: DH Books. 

Camellia 

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. 

Campanula 

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. 

Campanulaceae 

Lammers, T.G. 2007. World Checklist and 

Bibliography of Campanulaceae. Kew Publishing. 

Canna 

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

Cannas. Newton Abbot, Devon: David & 

Charles. 

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

No 3. Wisley, Surrey: RHS. 

Hayward, K. Jan 2010. www.hartcanna.com 

Carnivorous Plants 

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

Database. www.omnisterra.com 

Ceanothus 

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


Cercidiphyllum 

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. 

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Chaenomeles 

Weber, C. 1963. Cultivars in the Genus 

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

Chrysanthemum 

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. 

nationalchrysanthemumsociety.org.uk 

Cistus 

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

Website. www.cistuspage.org.uk 

Citrus 

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 

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

ac.uk 

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

Batsford 

HelpMeFind Clematis. Nov 2006. www.helpmefind. 

com/clematis 

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

Sweden: Magnus Johnsons Plantskola AB & Bengt 

Sundström. 

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. 

Conifers 

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 

Publishers. 

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

Bromyard, Herefordshire: Landsman’s Bookshops Ltd. 

Cornus 

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


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

Names in Cornus L. Arnoldia (Jamaica Plain) 

21(2):9-18. 

Corydalis 

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

Gardener’s Guide and a Monograph of the Tuberous 

Species. Pershore, Worcs.: Alpine Garden Society 

Publications Ltd. 

Corylus 

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

Dartington, Devon: Agroforestry Research Trust. 

Cotoneaster 

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

Cotoneaster in Cultivation. The New Plantsman 

5(3):132-144. 

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. 

Crassulaceae 

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

Venegono superiore, Italy: Cactus & Co. 

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

Succulent Plants. Springer. 

Crocosmia 

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

Crocosmia and Chasmanthe. Portland, Oregon: 

Timber Press. 

Crocus 

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 

1(1):44-56. 

Cyclamen 

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

www.cyclamen.org 

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

Gardeners, Horticulturists & Botanists. London: 

Batsford. 

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

The Plantsman 1(3):173-177. 

Cypripedium 

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


Dahlia 

American Dahlia Society website. Jan 2010. www. 

dahlia.org 

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

dahliaworld.co.uk 

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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. www.nationaldahlia-collection.co.uk 

Daphne 

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

Genus in the Wild and in Cultivation. Woking, 

Surrey: Alpine Garden Society. 

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