Taxonomic Listing of genera and families with an ICRA
Alphabetical List: R


Reference under EGF refers to volume and page of the entry in the six-volume European Garden Flora
published by Cambridge University Press, UK (1984-2000)
Taxonomic List EGF ICRA
Racinaea M. A. Spencer & L. B. Sm. - BROMELIAD SOCIETY INTERNATIONAL (B.S.I)
Racosperma Martius = Acacia Mill. - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Raddiella Swsllen - INTERNATIONAL CULTIVAR REGISTRATION CENTER FOR BAMBOOS (POACEAE, TRIBE BAMBUSEAE)
Ramonda Rich. 6:394 THE GESNERIAD SOCIETY, INC.
Randia L. 6:89 AMERICAN PUBLIC GARDENS ASSOCIATION
Ranunculus L. , bulbous species 3:364 ROYAL GENERAL BULBGROWERS' ASSOCIATION (K.A.V.B.)
Rapanea Aubl. - AMERICAN PUBLIC GARDENS ASSOCIATION
Reaumuria L. 5:272 AMERICAN PUBLIC GARDENS ASSOCIATION
Reedia F. Muell. - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Reevesia Lindl. 5:233 AMERICAN PUBLIC GARDENS ASSOCIATION
Regelia Schauer 5:321 AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Rehderodendron Hu 5:573 AMERICAN PUBLIC GARDENS ASSOCIATION
Rehia Fijten - INTERNATIONAL CULTIVAR REGISTRATION CENTER FOR BAMBOOS (POACEAE, TRIBE BAMBUSEAE)
Reitzia Swallen - INTERNATIONAL CULTIVAR REGISTRATION CENTER FOR BAMBOOS (POACEAE, TRIBE BAMBUSEAE)
Reldia Wiehler - THE GESNERIAD SOCIETY, INC.
Remusatia Schott - INTERNATIONAL AROID SOCIETY (I.A.S.)
Resia H. E. Moore - THE GESNERIAD SOCIETY, INC.
Retama Raf. 4:545 AMERICAN PUBLIC GARDENS ASSOCIATION
Retrophyllum C. N. Page - ROYAL HORTICULTURAL SOCIETY (RHS) - CONIFERS
×Rettigara Heath (Aporocactus Lem. (=Disocactus Lindl.) × Epiphyllum Haw. × Heliocereus (A. Berger) Britton & Rose (=Disocactus Lindl.) × Selenicereus (A. Berger) Britton & Rose) = Paulheathara Trehane - EPIPHYLLUM SOCIETY OF AMERICA (E.S.A.)
Rhabdothamnopsis Hemsl. - THE GESNERIAD SOCIETY, INC.
Rhabdothamnus A. Cunn. 6:393 THE GESNERIAD SOCIETY, INC.
Rhadamanthus Salisb. - ROYAL GENERAL BULBGROWERS' ASSOCIATION (K.A.V.B.)
Rhadinothamnus Paul G. Wilson - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Rhagodia R. Br. - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Rhamnella Miq. - AMERICAN PUBLIC GARDENS ASSOCIATION
Rhamnus L. 5:190 AMERICAN PUBLIC GARDENS ASSOCIATION
Rhaphidophora Hassk. 2:86 INTERNATIONAL AROID SOCIETY (I.A.S.)
Rhaphiolepis Lindl. 4:423 AMERICAN PUBLIC GARDENS ASSOCIATION
Rhaphithamnus Miers 6:155 AMERICAN PUBLIC GARDENS ASSOCIATION
Rhektophyllum N. E. Br. = Cercestis Schott 2:90 INTERNATIONAL AROID SOCIETY (I.A.S.)
Rhipidocladum McClure - INTERNATIONAL CULTIVAR REGISTRATION CENTER FOR BAMBOOS (POACEAE, TRIBE BAMBUSEAE)
Rhipsalidopsis Britton & Rose - DEUTSCHE KAKTEEN-GESELLSCHAFT (GERMAN CACTUS SOCIETY)
Rhipsalis Gaertn. - DEUTSCHE KAKTEEN-GESELLSCHAFT (GERMAN CACTUS SOCIETY)
Rhizophora L. 5:335 AMERICAN PUBLIC GARDENS ASSOCIATION
Rhodanthe Lindl. 6:548 AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Rhodocodon Baker - ROYAL GENERAL BULBGROWERS' ASSOCIATION (K.A.V.B.)
Rhododendron L. , including Azalea L. 5:438 ROYAL HORTICULTURAL SOCIETY (RHS) - RHODODENDRON
Rhodohypoxis Nel 1:328 ROYAL GENERAL BULBGROWERS' ASSOCIATION (K.A.V.B.)
Rhodoleia Champ. ex Hook. 4:170 AMERICAN PUBLIC GARDENS ASSOCIATION
Rhodomyrtus (DC.) Rchb. - AMERICAN PUBLIC GARDENS ASSOCIATION
Rhodophiala C. Presl - ROYAL GENERAL BULBGROWERS' ASSOCIATION (K.A.V.B.)
Rhodospatha Poepp. 2:87 INTERNATIONAL AROID SOCIETY (I.A.S.)
Rhodosphaera Engl. - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Rhodothamnus Rchb. 5:480 AMERICAN PUBLIC GARDENS ASSOCIATION
Rhodotypos Siebold & Zucc. 4:345 AMERICAN PUBLIC GARDENS ASSOCIATION
Rhodoxis anon. (Hypoxis L. × Rhodohypoxis Nel) - ROYAL GENERAL BULBGROWERS' ASSOCIATION (K.A.V.B.)
Rhoicissus Planch. 5:202 AMERICAN PUBLIC GARDENS ASSOCIATION
Rhoogeton Leeuwenb. - THE GESNERIAD SOCIETY, INC.
Rhopalephora Hassk. - TRADESCANTIA HUB
Rhus L. 5:126 AMERICAN PUBLIC GARDENS ASSOCIATION
Rhyncharrhena F. Muell. - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Rhynchoglossum Blume - THE GESNERIAD SOCIETY, INC.
Rhynchotechum Blume - THE GESNERIAD SOCIETY, INC.
Rhytidophyllum Mart. 6:382 THE GESNERIAD SOCIETY, INC.
Rhytidosporum F. Muell. - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Ribes L. 4:286 AMERICAN PUBLIC GARDENS ASSOCIATION
Richardia Kunth (nom. illegit.) Zantedeschia Spreng. - ROYAL GENERAL BULBGROWERS' ASSOCIATION (K.A.V.B.)
Richea R. Br. 5:506 AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Ricinocarpos Desf. - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Rigidella Lindl. 1:359 ROYAL GENERAL BULBGROWERS' ASSOCIATION (K.A.V.B.)
Ristantia Peter G. Wilson & J. T. Waterh. - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Rivina L. 3:131 AMERICAN PUBLIC GARDENS ASSOCIATION
Robinia L. 4:489 AMERICAN PUBLIC GARDENS ASSOCIATION
Rockinghamia Airy Shaw - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Ronnbergia E. Morren & André - BROMELIAD SOCIETY INTERNATIONAL (B.S.I)
Roridula Burm. f. ex L. 4:323 INTERNATIONAL CARNIVOROUS PLANT SOCIETY (I.C.P.S.)
Roridulaceae Engl. & Gilg - INTERNATIONAL CARNIVOROUS PLANT SOCIETY (I.C.P.S.)
Rosa L. 4:358 AMERICAN ROSE SOCIETY (A.R.S.)
Roscoea Sm. 2:125 ROYAL GENERAL BULBGROWERS' ASSOCIATION (K.A.V.B.)
Rosmarinus L. 6:164 AMERICAN PUBLIC GARDENS ASSOCIATION
Rostrinucula Kudo 6:228 AMERICAN PUBLIC GARDENS ASSOCIATION
Rottboellia L. f. - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Roupala Aubl. 3:113 PROTEACEAE CULTIVAR REGISTRATION AUTHORITY, NATIONAL DEPARTMENT OF AGRICULTURE (SOUTH AFRICA)
×Rowleyara Heath (Epiphyllum Haw. × Heliocereus (A. Berger) Britton & Rose (=Disocactus Lindl.) × Nopalxochia Britton & Rose (=Disocactus Lindl.) × Selenicereus (A. Berger) Britton & Rose) = Paulheathara Trehane - EPIPHYLLUM SOCIETY OF AMERICA (E.S.A.)
Roycea C. A. Gardner - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Rubus L. 4:345 AMERICAN PUBLIC GARDENS ASSOCIATION
Rufodorsia Wiehler - THE GESNERIAD SOCIETY, INC.
Rulingia R. Br. - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Rupicola Maiden & Betche - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Ruscus L. 1:265 AMERICAN PUBLIC GARDENS ASSOCIATION
Russelia Jacq. 6:299 AMERICAN PUBLIC GARDENS ASSOCIATION
Ruta L. 5:103 AMERICAN PUBLIC GARDENS ASSOCIATION
Rutidosis DC. - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)
Rylstonea R. T. Baker - AUSTRALIAN CULTIVAR REGISTRATION AUTHORITY (ACRA)

International Society for Horticultural Science - www.ishs.org
(c) ISHS. All rights reserved.