eclayne's blog

Plant nomenclature, a running list
Posted on Nov 11, 2012 12:40 PM


International Code of Nomenclature for algae, fungi, and plants (MELBOURNE CODE) - (formerly International Code of Botanical Nomenclature-ICBN)

International Code of Nomenclature for Cultivated Plants, Eighth Edition – ICNCP

International Cultivar Registration Authorities - ICRA: Search for ICRA by genus


Web based

Free access - F.

Paid member access only – P


Non- ICRA, but helpful


ICRA by genus:

Begonia: The American Begonia Society (ABS)

F - ABS Registered Begonias

Camelia: International Camellia Society (ICS)

F - Web Camellia Register

Dahlia: Royal Horticultural Society (RHS)


F - Royal General Bulbgrowers' Association (KAVB, see other search engine below)

F – National Dahlia Society-UK(NDS) Classification

Heliconia: Heliconia Society International

F - Cultivar Register

Iris (excluding bulbous species): The American Iris Society

F -  Iris Encyclopedia (TWiki)

P - Check List

F - Species Iris Group of North America (SIGNA)

Bulbous species – KAVB

Brugmansia, Datura: International Brugmansia and Datura Society

F - Brugmansia CV-List

Hosta: American Hosta Society

F - the Hosta Registry

F - The Hosta Library


Multi-Genus ICRA Links:

Aroids ISHS-Genus covered International Aroid Society (IAS), of limited use.

F - Aroid Cultivar Registry

Bromeliads ISHS-Genus covered Bromeliad Society International

F - Bromeliad Cultivar Register

F - Florida Council of Bromeliad Societies/ Bromeliad Databases

Carnivorous Plants ISHS-Genus covered International Carnivorous Plant Society

F - Carnivorous Plant Database

Gesneriads (except Saintpaulia, ISHS-Genus covered The Gesneriad Society

F - Registered Gesneriads

Bulbs, tulipa and many more ISHS-Genus covered) Royal General Bulbgrowers' Association (KAVB):

F - KAVB Search engine alphabetical

F - KAVB Search engine fill-in

Unassigned Woody Ornamentals ISHS-Genus covered: American Public Gardens Association (APGA), Brooklyn Botanical Garden

F - Cultivar Registration (limited)

Australian genera ISHS-Genus covered Australian Cultivar Registration Authority Inc. (ACRA)

F - List of Registered Cultivars derived from Australian native flora


Some additional helpful links:

International Society for Horticultural Science, ICRA Directory

American Public Gardens Association

Cultivar Checklists for Ornamental Plants

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