| Name? | Group? | Type? | Source? | Images? |
| 'Richesse' see 'Marjorie Ann' | Pericat | evg |
Galle85 |
| 'Richie' (V3-6) | Robin Hill | evg |
Galle85 |
| 'Ridder Thim' | Belgian Indian | evg |
Galle85 |
| 'Riefler's White' | Lazy K | dec |
AmAz04 |
| 'Rikyugonomi' | Kurume | evg |
Galle85 |
| 'Rimfire' | Greenwood | evg |
Galle85 |
| 'Rimpo' | Wada | evg |
Galle85 |
| 'Rimpu' see 'Rinpu' | Satsuki | evg |
Galle85 |
| 'Rimpu' | Wada | evg |
Galle85 |
| 'Ring #1' | Intergroup | evg |
Galle87 |
| 'Ringetsu' | Satsuki | evg |
Galle85 |
| 'Rinpu' ('Rimpu') | Satsuki | evg |
Galle85 |
| 'Rinro' | Satsuki | evg |
SatDict97 |
| 'Rinzan' | Satsuki | evg |
SatDict97 |
| 'Rio D'Oro' ('Riod'oro') | Knap Hill | dec |
Galle87 |
| 'Riod'oro' see 'Rio D'Oro' | Knap Hill | dec |
Galle85 |
| ripense ('Kishi Tsutsuji', Riverbank Azalea) | Species | evg |
Galle85 |
| 'Riponia' | Kaempferi | evg |
Galle85 |
| 'Ripples' | Kerrigan | evg |
Galle85 |
| 'Rising Star' | Intergroup | dec |
Galle85 |
| 'Rising Sun' | Glenn Dale | evg | Galle85 | b |
| 'Risque' | Belgian Glenn Dale | evg |
Galle85 |
| 'Rival' | Brooks | evg |
Galle85 |
| 'Rival' | Pericat | evg |
Galle85 |
| Riverbank Azalea see ripense | Species | evg |
Galle85 |
| 'Rivermist' | Harris | evg | Galle85 | p, b |
| Riverside Azalea see flumineum | Species | evg |
Galle85 |
| rivulare ('Xi-pan-dujuan', Streambank Azalea) | Species | evg |
Galle85 |
| 'R. N. Pennington' | Intergroup | evg |
Galle87 |
| 'Roadrunner' | Whitewater | evg |
Galle85 |
| 'Road Runner-Tetra' | Tetraploid | evg |
Galle85 |
| 'Robbins Pink' | Intergroup | evg |
Galle85 |
| 'Roberta' | Girard | evg |
Galle85 |
| 'Roberta' | Ten Oaks | evg |
Galle85 |
| 'Robert De Schrijver' ('Haerensiana Rubra', 'Haerensianum Rubrum') | Belgian Indian | evg |
Galle85 |
| 'Robert E. Lee' | Dodd | dec |
Dodd04 |
| 'Robert Hyatt' (3849) | Schroeder | evg |
Galle87 |
| 'Robert Koch' | Fleischmann | dec |
Galle85 |
| 'Robert Lee' | Gable | evg |
Galle85 |
| 'Robert Van Oost' | Belgian Indian | evg |
Galle85 |
| 'Robespierre' ('Prof. H. Lorentz') | Mollis | dec |
Galle85 |
| 'Robin' | Kerrigan | evg |
Galle85 |
| 'Robin' | Knap Hill | dec |
Galle85 |
| 'Robin Cook' | Greenwood | evg |
Galle85 |
| 'Robin Dale' (T24-8) | Robin Hill | evg |
Galle85 |
| 'Robin Hill Congo' ('Congo', E2-2) | Robin Hill | evg |
Galle87 |
| 'Robin Hill Elsa' ('Elsa', T20-7) | Robin Hill | evg |
Galle87 |
| 'Robin Hill Erik' ('Eric', P5-2) | Robin Hill | evg |
IRRC04 |
| 'Robin Hill Frosty' ('Frosty', N31-9) | Robin Hill | evg |
Galle85 |
| 'Robin Hill Gillie' ('Gillie', T13-5) | Robin Hill | evg |
Galle85 |
| 'Robin Hill Palmyra' ('Palmyra', T49-3) | Robin Hill | evg |
Galle87 |
| 'Robin Hill Rosanne' ('Rosanne', V1-7) | Robin Hill | evg |
Galle87 |
| 'Robin Hill Wendy' ('Wendy', T21-3) | Robin Hill | evg |
Galle87 |
| 'Robin Hood' | Southern Indian | evg |
Galle85 |
| 'Robinhood' | Glenn Dale | evg |
Galle85 |
| 'Roche-no-mai' | Satsuki | evg |
Galle85 |
| 'Rocket' | Exbury | dec |
Galle85 |
| 'Roddy' (T18-1) | Robin Hill | evg |
Galle85 |
| 'Roehr's Mother's Day' | Kaempferi | evg |
Galle85 |
| 'Roehr's Peggy Ann' ('Peggy Anna', 'Peggy Ann', 'Peggy Ann Rodino') | Kaempferi | evg | Galle85 | p, s, s, b, b |
| 'Roehr's Tradition' ('Tradition') | Kaempferi | evg |
Galle85 |
| 'Roger De Meyer' | Belgian Indian | evg |
Galle85 |
| 'Rogetsu' ('Rowgetsu') | Satsuki | evg |
Galle85 |
| 'Rogue' | Glenn Dale | evg |
Galle85 |
| 'Rogue River Belle' | Occidentale | dec |
Galle85 |
| 'Roi de Belges' see 'Mme. Gustave Guillemot' | Ghent | dec |
Galle85 |
| 'Roi de Hollande' | Aus. & NZ | evg |
Galle85 |
| 'Roi de Rose' | Aus. & NZ | evg |
Galle85 |
| 'Roi des Feux' | Ghent | dec |
Galle85 |
| 'Roi Leopold' ('Dame Melanie Rubra', 'Melanie Rubra') | Belgian Indian | evg |
Galle85 |
| 'Rokkasen' | Satsuki | evg |
SatDict97 |
| 'Rokoko' see 'Hachmann's Rokoko' | Hachmann | evg |
IRRC04 |
| 'Rokusan' see 'Kazan'1 | Satsuki | evg |
IRRC04 |
| 'Roland' see 'Henry Roland' | Schroeder | evg |
Galle87 |
| 'Romance' | Brooks | evg |
Galle85 |
| 'Romance' | Glenn Dale | evg |
Galle85 |
| 'Romanchikku' | Satsuki | evg |
SatDict97 |
| 'Ron Vines Jr' (HS 85-03-01) | Holly Springs | evg | Vines90 | b, b, t |
| 'Rosabella' | Belgian Indian | evg |
Galle85 |
| 'Rosa Belton' ('Rose Belton') | Belgian Indian | evg |
Galle85 |
| 'Rosa Belton' see 'Plum Crazy' | Monrovia | evg |
Galle87 |
| 'Rosa Bonheur' | Belgian Indian | evg |
Galle85 |
| 'Rosaeflora' see 'Balsaminiflorum' | Indicum | evg |
Galle85 |
| 'Rosaflora' see 'Balsaminiflorum' | Indicum | evg |
Greer77 |
| 'Rosafolia' | Belgian Indian | evg |
Galle85 |
| 'Rosali' | Belgian Indian | evg |
Galle85 |
| 'Rosalie' | Glenn Dale | evg |
Galle85 |
| 'Rosalie Nachman' | Hager | evg |
Galle85 |
| 'Rosalind' see 'Hachmann's Rosalind' | Hachmann | evg |
IRRC04 |
| 'Rosalinda' | Belgian Indian | evg |
Galle85 |
| 'Rosanne' see 'Robin Hill Rosanne' | Robin Hill | evg |
Galle87 |
| 'Rosa Perle' | Belgian Indian | evg |
Galle85 |
| 'Rosata' | Felix & Dijkhuis | dec |
Galle87 |
| 'Rose' | Kurume | evg |
Galle85 |
| 'Rosea' | Mucronatum | evg |
Galle85 |
| 'Rosea' | Occidentale | dec |
Galle85 |
| 'Rosea' | Southern Indian | evg |
Galle85 |
| 'Rosea Elegans' | Southern Indian | evg |
Galle85 |
| 'Rosea Plena' | Ghent | dec |
Galle85 |
| 'Rosea Purpurea' | Southern Indian | evg |
Galle85 |
| 'Rose Ash' | Glenn Dale | evg | Galle85 | b |
| 'Roseate' | Aus. & NZ | evg |
Galle85 |
| 'Rose Avenir' | Aus. & NZ | evg |
Galle85 |
| Rose Azalea see reticulatum | Species | dec |
Galle85 |
| 'Rose Banner' | Beltsville | evg |
Galle85 |
| 'Rose Belton' see 'Rosa Belton' | Belgian Indian | evg |
Galle87 |
| 'Rose Brocade' | Back Acres | evg |
Galle85 |
| 'Rosebud' | Chisolm-Merritt | evg |
Galle85 |
| 'Rosebud' (B5G) | Gable | evg | Galle85 | p, s, b, b, b |
| 'Rose Choptank' ('Choptank Rose') | Beasley | dec |
Galle87 |
| 'Rose d'Amour' | Ghent | dec |
Galle87 |
| 'Rose Dawn' | Carla | evg |
Galle85 |
| 'Rose de Flandre' | Ghent | dec |
Galle87 |
| 'Rose de Hollande' | Ghent | dec |
Galle87 |
| 'Rose Elf' | Beltsville Dwarf | evg |
Galle85 |
| 'Rose Ember' ('Catawba') | Towe | dec |
IRRC04 |
| 'Rose Glory' | Beltsville | evg |
Galle85 |
| 'Rose Glory' | Wada | evg |
Galle85 |
| 'Rose Greeley' (D3G, 'Rose Greely') | Gable | evg |
Galle85 |
| 'Rose Greely' see 'Rose Greeley' | Gable | evg |
Tingle57 |
| 'Rose Gumpo' see 'Gumpo Rose' | Satsuki | evg |
Galle85 |
| 'Rose King' | Aus. & NZ | evg |
Galle85 |
| 'Rose Lee Clagett' (89-4-1) | Bowie Mill | evg | Clagett04 | b |
| 'Roselight' | Glenn Dale | evg | Galle85 | b |
| 'Rosella' | Knap Hill | dec |
Galle85 |
| 'Rose Marie' | Ghent | dec |
Galle87 |
| 'Rose Marsh' | Aus. & NZ | evg |
Galle85 |
| 'Rosemary' see 'Rosemary Annette' | Schroeder | evg |
Galle87 |
| 'Rosemary Annette' (3860, 'Rosemary') | Schroeder | evg |
Galle87 |
| 'Rosemary Hyde' | Southern Indian | evg |
Galle85 |
| 'Rosemary White' | Loblolly Bay | evg |
Galle85 |
| 'Rosenkavalier' see 'Tamino' | Robin Hill | evg |
Galle85 |
| 'Rose of Heaven' | Aus. & NZ | evg |
Galle85 |
| 'Rose of Washington Square' | Carlson | dec |
Galle87 |
| 'Rose Parade' | Greenwood | evg |
Galle85 |
| 'Rose Parade' | Mossholder-Bristow | evg |
Galle85 |
| 'Rose Pearl' | Aus. & NZ | evg |
Galle85 |
| 'Rose Perfecta' | Girard | evg |
Galle85 |
| 'Rose Perfection' | Wada | evg |
Galle85 |
| 'Rose Pink' | Aus. & NZ | evg |
Galle85 |
| 'Rose Pink Party Dress' | Aus. & NZ | evg |
Galle85 |
| 'Rose Queen' see 'Greenwood Rose Queen' | Greenwood | evg |
Galle87 |
| 'Rose Queen' | Mollis | dec |
Galle87 |
| 'Rose Queen' | Rutherford | evg |
Galle85 |
| 'Rose Queen' | Sander | evg |
Galle85 |
| Roseshell Azalea see prinophyllum | Species | dec |
Galle85 |
| 'Rose Souffle' | Aromi | dec | Azalean25:2 | b |
| 'Rose Taffetas' see 'Shintoki-no-hagasane' | Kurume | evg |
Galle85 |
| 'Rosetta' | Ghent | dec |
Galle87 |
| 'Rosette' | Glenn Dale | evg | Galle85 | b |
| 'Roseum' | Amoena | evg |
Galle85 |
| 'Roseum' see 'Gumpo Fancy' | Satsuki | evg |
IRRC04 |
| roseum see prinophyllum | Species | dec |
Galle85 |
| 'Roseum' | Wada | evg |
Galle85 |
| 'Rosey Lights' see 'Rosy Lights' | Northern Lights | dec |
Galle85 |
| 'Rosie' | Loblolly Bay | evg |
Galle85 |
| 'Rosie O'Dea' | Aus. & NZ | evg |
Galle85 |
| 'Rosiflorum' see 'Balsaminiflorum' | Indicum | evg |
IRRC04 |
| 'Rosina' | Aus. & NZ | evg |
Galle85 |
| 'Rosita' | Intergroup | dec |
Galle85 |
| 'Rosita' see 'Kasane-kagaribi' | Kurume | evg |
Galle85 |
| 'Rositi' see 'Kasane-kagaribi' | Kurume | evg |
Galle85 |
| rosmarinifolium see 'Mucronatum' | Species | evg |
Galle85 |
| 'Rosy' | Mollis | dec |
Galle85 |
| 'Rosy Cheeks' | Beasley | dec | AmAz04 | b |
| 'Rosy Cheeks' see 'Pamela Malland' | Intergroup | evg |
Galle85 |
| 'Rosy Frills' | McDonald | evg |
McDonald05 |
| 'Rosy Lights' ('Rosey Lights') | Northern Lights | dec |
Galle85 |
| 'Rosy Morn' see 'Asa Gasumi' | Kurume | evg |
Galle85 |
| 'Rosy Ruffles' | Arneson | dec |
Roslyn95 |
| 'Rothschild Supreme' | Knap Hill | dec |
Galle85 |
| 'Rouge' | Chisolm-Merritt | evg |
Galle85 |
| 'Roundelay' | Glenn Dale | evg | Galle85 | b |
| 'Rousseau' ('Imperial') | Solent | dec |
IRRC04 |
| 'Rover' | Eden | evg |
Galle85 |
| 'Rowgetsu' see 'Rogetsu' | Satsuki | evg |
Galle85 |
| 'Roxanne' | Beltsville | evg |
Galle85 |
| Royal Azalea see schlippenbachii | Species | dec |
Galle85 |
| 'Royal Blazer' | Intergroup | evg |
Galle85 |
| 'Royal Command' | Exbury | dec |
Galle85 |
| 'Royal Crown' | Greenwood | evg |
Galle85 |
| 'Royality' (A27G, 'Royalty') | Gable | evg |
Galle85 |
| 'Royal Lodge' | Exbury | dec |
Galle85 |
| 'Royal Pink' ('May Queen') | Kaempferi | evg |
Galle85 |
| 'Royal Robe' | Greenwood | evg |
Galle85 |
| 'Royal Show' | Aus. & NZ | evg |
Galle85 |
| 'Royalty' see 'Royality' | Gable | evg |
Tingle57 |
| 'Royce Sproull #2' | Marlbank Farm | evg |
Galle85 |
| 'Royce Sproull' | Marlbank Farm | evg |
AzAcres84 |
| 'Rozanne Waterer' | Knap Hill | dec |
Galle85 |
| 'R. Pennington' | Beasley | dec |
Galle87 |
| 'R.S.W.' | Aus. & NZ | evg |
Galle85 |
| 'Rubens' | Ghent | dec |
Galle87 |
| 'Rubescens' ('Autumnale Rubrum') ? | | dec |
IRRC04 |
| 'Rubescens' ('Autumnale Rubrum') ? | Indian | evg |
IRRC04 |
| 'Rubinetta' | Kurume | evg |
Galle85 |
| 'Rubinstern' | Intergroup | evg |
Galle87 |
| 'Rubis De Meirelbeke' | Belgian Indian | evg |
Galle85 |
| 'Rubra' | Mucronatum | evg |
Galle85 |
| rubropilosum (caryophyllum , Redhair Azalea) | Species | evg |
Galle85 |
| 'Ruby' see 'Hinode-no-taka' | Kurume | evg |
Galle85 |
| 'Ruby' | Sander | evg |
Galle85 |
| 'Ruby Dust' | Bobbink-Atkins | evg |
Galle85 |
| 'Ruby Glory' | Aus. & NZ | evg |
Galle85 |
| 'Ruby Glow' | Girard | evg |
Galle85 |
| 'Ruby Lee' | Loblolly Bay | evg |
Galle85 |
| 'Ruddy Duck' | Knap Hill | dec |
Galle85 |
| 'Rudolph Siedel' | Aus. & NZ | evg |
Galle85 |
| 'Rudyard Kipling' | Mollis | dec |
Galle85 |
| 'Ruffled Beauty' | Dosser | dec |
Galle85 |
| 'Ruffled Bergmann' | Lewis | evg |
Galle85 |
| 'Ruffled Giant' | Belgian Indian | evg |
Galle85 |
| 'Ruffles' | Southern Indian | evg |
Galle85 |
| rufohirtum | Species | evg |
Galle85 |
| 'Rufus' | Ilam | dec |
Galle85 |
| 'Ruhrfeuer' | Kurume | evg |
Galle85 |
| 'Rukizon' see 'Kazan'1 | Satsuki | evg |
Galle85 |
| 'Rukizon Witches Broom' | Satsuki | evg |
Galle85 |
| 'Rumba' | Knap Hill | dec |
Galle85 |
| 'Running Arborescens' | Beasley | dec |
Galle85 |
| 'Rushin' | Austrinum | dec |
Greer04 |
| 'Rushin's Austrinum' see 'Coleman's Sunshine' | | dec |
Transplant93 |
| 'Rusty Keller' (#2) | Chinquapin Hill | dec |
Galle85 |
| 'Ruth' | Eden | evg |
Galle85 |
| 'Ruth' see 'Katsura-no-hana' | Kurume | evg |
Galle85 |
| 'Ruth Davies' | Knap Hill | dec |
Galle85 |
| 'Ruth Kirk' | Belgian Indian | evg |
Galle85 |
