| Num | Family | Name | S | Loc | Q | Eva | AC | H | V | Src | Pictures |
| 85462 | Ericaceae | Rhododendron ((discol.x smirno.) x (yak.x Gold Mohur)) | 3 | 0131 | 6 | | | A | K | pds | |
| 85456 | Ericaceae | Rhododendron (aberconwayi x (yakush.x sutchuenense)) | 2 | 0464 | 1 | | | B | K | pds | |
| 96136 | Ericaceae | Rhododendron ('Arthur Bedford' sdlg) | 3 | 0281 | 1 | | | A+ | ? | spo | |
| 92134 | Ericaceae | Rhododendron (concinnum Pseudoyanthinum Group sdlg) | 4 | Y | 4 | | | A | ? | pds | |
| 93211 | Ericaceae | Rhododendron ('Coral Reef' sdlg) | 4 | 0464 | 1 | * | | B+ | ? | pds | |
| 80011 | Ericaceae | Rhododendron (degronianum x griersonianum) | 4 | V | 2 | | | A | K | dho | |
| 86359 | Ericaceae | Rhododendron ('Fabia' x bureavii) | 4 | E | 1 | | | B | K | esv | |
| 09540 | Ericaceae | Rhododendron (hemsleyanum x auriculatum) | 3 | 0167 | 1 | | | | H | ggd | |
| 95247 | Ericaceae | Rhododendron ('Hotei' x lacteum) | 3 | 0168 | 1 | | | B+ | K | pds | |
| 93210 | Ericaceae | Rhododendron (hyperythrum x 'Yaku Angel') | 4 | 0040 | 1 | * | | A+ | K | pds | |
| 84834 | Ericaceae | Rhododendron (Idealist x yakushimanum) | 4 | 0040 | 2 | | | B | K | pds | |
| 95098 | Ericaceae | Rhododendron ('Lodauric' sdlg) | 3 | 0462 | 2 | o | | A+ | ? | pds | |
| 02405 | Ericaceae | Rhododendron ('Loderi Sir Edmund' sdlg OP) | 4 | 0461 | 2 | | | B- | ? | spo | |
| 02558 | Ericaceae | Rhododendron ('Loderi Sir Edmund' sdlg OP) | 4 | 0330 | 1 | | | | ? | spo | |
| 91203 | Ericaceae | Rhododendron ('Luscombei' sdlg) | 4 | 0133 | 4 | | | B+ | ? | pds | |
| 91192 | Ericaceae | Rhododendron ('Madona' x fortunei) | 4 | 0475 | 1 | * | | A+ | K | pds | |
| 20195 | Ericaceae | Rhododendron ('Madona' x fortunei) | 4 | 0168 | 1 | | | | K | dcl | |
| 83796 | Ericaceae | Rhododendron (maximum compactum x maximum Late White) | 4 | 0048 | 2 | | | A | K | pds | |
| 15099 | Ericaceae | Rhododendron (maximum compactum x maximum Late White) | 4 | 0171 | 3 | | | | K | pds | |
| 15038 | Ericaceae | Rhododendron (mucronulatum var. taquetii x dendrocharis) | 4 | 0164 | 1 | | | | K | ggd | |
| 15036 | Ericaceae | Rhododendron (mucronulatum var. taquetii x dendrocharis) | 4 | 0164 | 1 | | | | K | ggd | |
| 15037 | Ericaceae | Rhododendron (mucronulatum var. taquetii x dendrocharis) | 4 | 0164 | 1 | | | | K | ggd | |
| 08548 | Ericaceae | Rhododendron (pachysanthum x morii 'Loch Tummel') | 4 | 0084 | 1 | | | A | K | ggd | |
| 25140 | Ericaceae | Rhododendron (petrocharis x ciliatum) | 4 | 0163 | 1 | | | ? | | div | |
| 88256 | Ericaceae | Rhododendron ('Polar Bear' F2 sdlg) | 3 | 0462 | 3 | | | ? | ? | pds | |
| 88263 | Ericaceae | Rhododendron (pseudochrysanthum x 'Yaku Prince') | 4 | S | 6 | * | | ? | K | pds | |
| 94250 | Ericaceae | Rhododendron ('Sir Charles Lemon' x rex) | 4 | 0163 | 2 | | | B | K | pds | |
| 83200 | Ericaceae | Rhododendron (sutchuenense x calophytum) | 4 | T | 1 | | | B | H | hil | |
| 82354 | Ericaceae | Rhododendron (vernicosum x aberconwayi) | 2 | 0031 | 1 | | | B | K | pds | |
| 82357 | Ericaceae | Rhododendron (vernicosum x aberconwayi) | 4 | 0474 | 1 | * | | D | K | pds | |
| 82376 | Ericaceae | Rhododendron (vernicosum x aberconwayi) | 4 | 0162 | 1 | | | D | K | pds | |
| 09551 | Ericaceae | Rhododendron (wardii x macabeanum) | 4 | X | 1 | | | B- | K | ggd | |
| 09552 | Ericaceae | Rhododendron (wardii x macabeanum) | 4 | 0162 | 1 | * | | B+ | K | ggd | |
| 89372 | Ericaceae | Rhododendron (yakushimanum x pachysanthum) | 4 | 0043 | 1 | | | A+ | K | ggd | |
| 00562 | Ericaceae | Rhododendron (yakushimanum x proteoides) | 4 | 0151 | 1 | * | | | K | bul | |
| 96099 | Ericaceae | Rhododendron (yakushimanum x smirnowii) | 4 | E | 1 | * | | A | K | div | |
| 86061 | Ericaceae | Rhododendron (yakushimanum x tsariense) | 4 | S | 1 | | | A | H | ggd | |
| 87167 | Ericaceae | Rhododendron (yakushimanum x tsariense) | 4 | S | 1 | | | ? | H | ggd | |
| 92121 | Ericaceae | Rhododendron (yakushimanum x tsariense) | 4 | S | 1 | | | A | H | pds | |
| 94035 | Ericaceae | Rhododendron (yakushimanum x tsariense) | 4 | 0085 | 3 | | | A | H | pds | |
| 80002 | Ericaceae | Rhododendron 'Abendglut' | 3 | H | 1 | * | | A | | dho | |
| 00258 | Ericaceae | Rhododendron aberconwayi | 4 | U | 1 | | | B+ | | pds | |
| 83761 | Ericaceae | Rhododendron 'Abigail' ('Goldsworth Orange' x 'Mrs P.D.Williams') | 4 | T | 1 | | | A | | reu | |
| 80016 | Ericaceae | Rhododendron adenogynum Adenophorum Group | 3 | O | 1 | | | A | | dho | |
| 86395 | Ericaceae | Rhododendron adenopodum (hybrid) | 3 | 0031 | 1 | ** | | ? | H | esv | |
| 09578 | Ericaceae | Rhododendron adenosum | 4 | 0167 | 1 | | | B | | ggd | |
| 09579 | Ericaceae | Rhododendron adenosum | 4 | 0167 | 1 | | | B | | ggd | |
| 09580 | Ericaceae | Rhododendron adenosum | 2 | U | 1 | | | B | | ggd | |
| 77112 | Ericaceae | Rhododendron 'Adriaan Koster' (campylocarpum H x 'Mrs Lindsay Smith') | 4 | K | 1 | | | A | | hil | |
| 80240 | Ericaceae | Rhododendron 'Aladdin' (auriculatum x griersonianum) | 4 | R | 1 | * | | B | | hil | |
| 80095 | Ericaceae | Rhododendron 'Aladdin' (auriculatum x griersonianum) | 4 | 0037 | 1 | * | | C | | hil | |
| 89503 | Ericaceae | Rhododendron 'Aladdin' (auriculatum x griersonianum) | 4 | 0464 | 1 | * | | A | | goo | |
| 93217 | Ericaceae | Rhododendron 'Aladdin' (auriculatum x griersonianum) | 4 | 0464 | 2 | * | | B | | pds | |
| 09009 | Ericaceae | Rhododendron 'Aladdin' (auriculatum x griersonianum) | 4 | 0168 | 1 | | | B | | pds | |
| 14096 | Ericaceae | Rhododendron 'Aladdin' (auriculatum x griersonianum) | 4 | 0187 | 1 | | | | | pds | |
| 78003 | Ericaceae | Rhododendron 'Albatross Townhill Pink' (discolor x Loderi Group) | 4 | T | 1 | * | | A | | hil | |
| 22016 | Ericaceae | Rhododendron 'Albatross Townhill Pink' (discolor x Loderi Group) | 4 | 0169 | 1 | | | | | pds | |
| 24332 | Ericaceae | Rhododendron 'Albatross Townhill Pink' (discolor x Loderi Group) | 4 | pot | 1 | | | | | div | |
| 81147 | Ericaceae | Rhododendron 'Albatross Townhill White' | 4 | 0039 | 1 | ** | | A | | hil | |
| 77116 | Ericaceae | Rhododendron 'Albatross Townhill White' | 4 | S | 1 | * | | B | | hil | |
| 92662 | Ericaceae | Rhododendron 'Albatross Townhill White' | 4 | 0084 | 1 | | | B | | goo | |
| 88291 | Ericaceae | Rhododendron 'Albatross Townhill White' (sdlg) | 4 | 0131 | 1 | * | | C | C | pds | |
| 95271 | Ericaceae | Rhododendron albrechtii | 4 | 0085 | 3 | | | A+ | | pds | |
| 09553 | Ericaceae | Rhododendron albrechtii | 3 | 0114 | 2 | | | | V | ggd | |
| 15094 | Ericaceae | Rhododendron albrechtii | 4 | 0114 | 1 | | | | | wld | |
| 82361 | Ericaceae | Rhododendron 'Aldonca' (fortunei x yakushimanum) | 3 | 0040 | 1 | * | | A | | pds | |
| 04269 | Ericaceae | Rhododendron 'Aldonca' (fortunei x yakushimanum) | 4 | 0488 | 1 | | | A+ | | pds | |
| 24041 | Ericaceae | Rhododendron 'Alexander' (nakaharae x 'Kin-no-sai') | 4 | 0475 | 2 | | | | | esv | |
| 24042 | Ericaceae | Rhododendron 'Alexander' (nakaharae x 'Kin-no-sai') | 4 | 0168 | 3 | | | | | esv | |
| 07002 | Ericaceae | Rhododendron 'Alison Johnstone' (yunnanense x Concatenans Gr) | 4 | 0161 | 1 | | | D | T | pds | |
| 21055 | Ericaceae | Rhododendron 'Alison Johnstone' (yunnanense x Concatenans Gr) | 4 | I | 1 | | | | | pds | |
| 09486 | Ericaceae | Rhododendron alutaceum var. russotinctum Triplonaevium Group | 4 | S | 1 | | | | | ggd | |
| 09487 | Ericaceae | Rhododendron alutaceum var. russotinctum Triplonaevium Group | 4 | 0191 | 1 | | | A | | ggd | |
| 08231 | Ericaceae | Rhododendron amagianum | 3 | 0234 | 1 | | | | | dcl | |
| 86028 | Ericaceae | Rhododendron amagianum | 4 | H | 1 | | | A | | wld | |
| 96132 | Ericaceae | Rhododendron amagianum | 4 | 0242 | 1 | | | | | pds | |
| 10247 | Ericaceae | Rhododendron amagianum | 3 | 0283 | 1 | | | C+ | V | div | |
| 11329 | Ericaceae | Rhododendron amagianum | 4 | 0161 | 1 | | | A+ | | dbl | |
| 76007 | Ericaceae | Rhododendron ambiguum | 4 | Q | 1 | | | A | | hil | |
| 78129 | Ericaceae | Rhododendron ambiguum | 4 | Q | 1 | | | A | | hil | |
| 19075 | Ericaceae | Rhododendron ambiguum | 4 | 0161 | 1 | | | | | pds | |
| 18213 | Ericaceae | Rhododendron ambiguum | 4 | 0171 | 1 | | | | V | pds | |
| 68011 | Ericaceae | Rhododendron 'America' ('Parsons' Grandiflorum' x) | 3 | 0006 | 1 | | | A | | vpl | |
| 94237 | Ericaceae | Rhododendron amesiae | 4 | N | 2 | | | A+ | V | pds | |
| 82099 | Ericaceae | Rhododendron 'Amor' (griersonianum x thayerianum) | 4 | V | 1 | * | | B | | reu | |
| 94287 | Ericaceae | Rhododendron 'Amor' (griersonianum x thayerianum) | 4 | 0164 | 2 | | | B- | | pds | |
| 17295 | Ericaceae | Rhododendron 'Amor' (griersonianum x thayerianum) | 4 | V | 1 | | | | | pds | |
| 14033 | Ericaceae | Rhododendron amundsenianum | 3 | 0156 | 1 | | | | | ggd | |
| 77119 | Ericaceae | Rhododendron 'Angelo' (discolor x griffithianum) | 4 | 0039 | 1 | * | | C | | hil | |
| 85260 | Ericaceae | Rhododendron 'Anna Baldsiefen' ('Pioneer' slfd) | 2 | 0012 | 1 | o | | C | | ggd | |
| 85320 | Ericaceae | Rhododendron 'Anna Baldsiefen' ('Pioneer' slfd) | 3 | D | 1 | | | B | | ggd | |
| 83763 | Ericaceae | Rhododendron 'Anna Rose Whitney' (griersionianum x ) | 4 | Y | 1 | | | C | | reu | |
| 83193 | Ericaceae | Rhododendron annae | 4 | 0084 | 1 | | | B | V | hil | |
| 84790 | Ericaceae | Rhododendron annae | 4 | 0478 | 1 | | | A | | rsf | |
| 07246 | Ericaceae | Rhododendron annae | 4 | 0166 | 1 | | | A | | esv | |
| 06083 | Ericaceae | Rhododendron annae | 4 | 0431 | 2 | | | | | pds | |
| 06084 | Ericaceae | Rhododendron annae | 3 | 0483 | 4 | | | | | pds | |
| 09083 | Ericaceae | Rhododendron annae | 4 | 0492 | 1 | | | | V | pds | |
| 09848 | Ericaceae | Rhododendron annae | 3 | 0176 | 1 | | | | V | pds | |
| 17424 | Ericaceae | Rhododendron annae subsp. laxiflorum | 1 | 0478 | 1 | | | D | | wld | |
| 17564 | Ericaceae | Rhododendron annae subsp. laxiflorum | 4 | 0166 | 1 | | | | | wld | |
| 17568 | Ericaceae | Rhododendron annae subsp. laxiflorum | 4 | 0281 | 1 | | | B | | wld | |
| 09292 | Ericaceae | Rhododendron anthopogon subsp. hypenanthum 'Annapurna' | 3 | 0154 | 1 | | | A | | ggd | |
| 09293 | Ericaceae | Rhododendron anthopogon subsp. hypenanthum 'Annapurna' | 3 | 0154 | 1 | | | A | | ggd | |
| 09294 | Ericaceae | Rhododendron anthopogon subsp. hypenanthum 'Annapurna' | 4 | 0154 | 1 | | | A | | ggd | |
| 17397 | Ericaceae | Rhododendron anthosphaerum | 4 | T | 1 | | | | V | wld | |
| 17595 | Ericaceae | Rhododendron anthosphaerum | 4 | 0166 | 1 | | | | V | wld | |
| 91575 | Ericaceae | Rhododendron 'Anuschka' | 3 | 0085 | 1 | | | B+ | | waa | |
| 82029 | Ericaceae | Rhododendron 'Apple Blossom' (fortunei x ) | 4 | 0040 | 1 | * | | A | | reu | |
| 97021 | Ericaceae | Rhododendron 'Apricot Beauty' | 3 | 0464 | 1 | | | C+ | | dcl | |
| 14192 | Ericaceae | Rhododendron 'Apricot Beauty' | 4 | J | 1 | | | | | pds | |
| 88304 | Ericaceae | Rhododendron arborescens | 3 | F | 4 | | | A | X | pds | |
| 07247 | Ericaceae | Rhododendron arborescens | 4 | 0119 | 1 | | | C+ | | wld | |
| 07248 | Ericaceae | Rhododendron arborescens | 4 | 0114 | 1 | | | A | V | wld | |
| 20164 | Ericaceae | Rhododendron arborescens | 3 | 0274 | 1 | | | | | div | |
| 25007 | Ericaceae | Rhododendron arborescens | 4 | 0135 | 2 | | | | | wld | |
| 77057 | Ericaceae | Rhododendron arborescens (hybrid) | 4 | L | 1 | | | A | H | hil | |
| 24126 | Ericaceae | Rhododendron arboreum | 4 | 0194 | 1 | | | ? | | ggd | |
| 09313 | Ericaceae | Rhododendron arboreum subsp. cinnamomeum | 4 | 0475 | 1 | | | C | | ggd | |
| 09311 | Ericaceae | Rhododendron arboreum subsp. cinnamomeum | 4 | 0194 | 1 | | | C | | ggd | |
| 15100 | Ericaceae | Rhododendron arboreum subsp. cinnamomeum | 4 | 0188 | 1 | | | ? | | wld | |
| 14221 | Ericaceae | Rhododendron arboreum subsp. cinnamomeum | 2 | 0194 | 1 | | | ? | | wld | |
| 17222 | Ericaceae | Rhododendron arboreum subsp. cinnamomeum | 4 | 0192 | 1 | | | ? | | wld | |
| 17214 | Ericaceae | Rhododendron arboreum subsp. cinnamomeum | 4 | 0146 | 1 | | | ? | | wld | |
| 92663 | Ericaceae | Rhododendron 'Arborfield' ('Crest' x 'Loderi') | 4 | 0464 | 1 | | | B+ | | goo | |
| 85812 | Ericaceae | Rhododendron 'Arctic Tern' (trichostomum x glandulosum) | 3 | P | 1 | | | | V | div | |
| 19167 | Ericaceae | Rhododendron 'Arctic Tern' (trichostomum x glandulosum) | 4 | J | 3 | | | | | boc | |
| 09322 | Ericaceae | Rhododendron argipeplum | 4 | 0474 | 1 | | | | | ggd | |
| 09320 | Ericaceae | Rhododendron argipeplum | 3 | 0163 | 1 | | | | V | ggd | |
| 22011 | Ericaceae | Rhododendron argipeplum | 4 | 0162 | 1 | | | | | wld | |
| 08059 | Ericaceae | Rhododendron 'Argosy' (discolor x auriculatum) | 4 | 0163 | 1 | | | B+ | | pds | |
| 89373 | Ericaceae | Rhododendron argyrophyllum | 4 | 0192 | 1 | * | | A+ | | ggd | |
| 12027 | Ericaceae | Rhododendron argyrophyllum | 2 | 0192 | 1 | | | B | | wld | |
| 15108 | Ericaceae | Rhododendron argyrophyllum | 2 | 0188 | 1 | | | | | pds | |
| 17462 | Ericaceae | Rhododendron argyrophyllum | 4 | X | 1 | | | A- | V | wld | |
| 08473 | Ericaceae | Rhododendron argyrophyllum subsp. hypoglaucum | 4 | 0489 | 1 | * | | A | | ggd | |
| 08472 | Ericaceae | Rhododendron argyrophyllum subsp. hypoglaucum | 4 | 0489 | 1 | * | | A | | ggd | |
| 11001 | Ericaceae | Rhododendron argyrophyllum subsp. nankingense 'Chinese Silver' | 4 | 0192 | 1 | * | | | | ggd | |
| 11002 | Ericaceae | Rhododendron argyrophyllum subsp. nankingense 'Chinese Silver' | 4 | 0189 | 1 | | | | | ggd | |
| 21068 | Ericaceae | Rhododendron argyrophyllum subsp. nankingense 'Chinese Silver' | 4 | 0193 | 1 | | | | | pds | |
| 25078 | Ericaceae | Rhododendron argyrophyllum subsp. nankingense 'Chinese Silver' | 4 | U | 1 | | | | | pds | |
| 88057 | Ericaceae | Rhododendron 'Arthur Grumiaux' (oreotrephes x 'Youthful Sin') | 4 | I | 1 | | | A+ | | dbl | |
| 14077 | Ericaceae | Rhododendron 'Arthur Grumiaux' (oreotrephes x 'Youthful Sin') | 4 | 0161 | 1 | | | | | pds | |
| 81193 | Ericaceae | Rhododendron 'Ascot Brilliant' (thomsonii x 'Blandyanum') | 4 | 0162 | 1 | * | | B | | hil | |
| 08489 | Ericaceae | Rhododendron asterochnoum | 4 | S | 1 | | | A | | ggd | |
| 08491 | Ericaceae | Rhododendron asterochnoum | 4 | 0169 | 1 | | | B | V | ggd | |
| 17398 | Ericaceae | Rhododendron asterochnoum | 4 | 0162 | 1 | | | | | wld | |
| 17565 | Ericaceae | Rhododendron asterochnoum | 4 | 0166 | 1 | | | | | wld | |
| 17572 | Ericaceae | Rhododendron asterochnoum | 4 | 0012 | 1 | | | | | wld | |
| 22084 | Ericaceae | Rhododendron asterochnoum | 4 | 0168 | 1 | | | | | wld | |
| 25050 | Ericaceae | Rhododendron asterochnoum | 4 | 0474 | 1 | | | | | wld | |
| 25052 | Ericaceae | Rhododendron asterochnoum | 4 | 0476 | 1 | | | | | wld | |
| 86112 | Ericaceae | Rhododendron atlanticum | 4 | 0126 | 1 | * | | A | T | ggd | |
| 98067 | Ericaceae | Rhododendron atlanticum | 4 | 0488 | 3 | | | A+ | | pds | |
| 07249 | Ericaceae | Rhododendron atlanticum | 4 | 0126 | 3 | | | A+ | | div | |
| 07250 | Ericaceae | Rhododendron atlanticum | 4 | M | 1 | | | A+ | V | div | |
| 93247 | Ericaceae | Rhododendron atlanticum (hybrid) | 3 | 0006 | 1 | | | A | H | wld | |
| 86519 | Ericaceae | Rhododendron atlanticum 'Chop Tank Strain' | 4 | 0003 | 1 | | | A | | pds | |
| 77120 | Ericaceae | Rhododendron 'Augfast' (augustinii x fastigiatum) | 3 | Q | 2 | * | | B | | hil | |
| 86003 | Ericaceae | Rhododendron 'August Lamken' ('Dr.V.H.Rutgers' x williamsianum) | 4 | 0133 | 1 | | | A | | dcl | |
| 98457 | Ericaceae | Rhododendron augustinii | 4 | 0476 | 1 | * | | D | | div | |
| 22089 | Ericaceae | Rhododendron augustinii | 4 | 0189 | 2 | | | | | pds | |
| 22075 | Ericaceae | Rhododendron augustinii | 4 | 0049 | 1 | | | | | pds | |
| 22078 | Ericaceae | Rhododendron augustinii | 4 | 0153 | 1 | | | | | pds | |
| 83829 | Ericaceae | Rhododendron augustinii 'Bokrijk' | 4 | Q | 1 | ** | | B | T | vml | |
| 92375 | Ericaceae | Rhododendron augustinii 'Bokrijk' | 4 | R | 1 | ** | | A | | pds | |
| 00285 | Ericaceae | Rhododendron augustinii 'Bokrijk' | 4 | R | 1 | ** | | A | | pds | |
| 09261 | Ericaceae | Rhododendron augustinii 'Electra' | 3 | 0161 | 1 | | | B | | ggd | |
| 09263 | Ericaceae | Rhododendron augustinii 'Electra' | 4 | 0161 | 1 | | | B | | ggd | |
| 86398 | Ericaceae | Rhododendron augustinii 'Green Eye' | 4 | 0474 | 1 | | | C+ | ? | esv | |
| 21011 | Ericaceae | Rhododendron augustinii 'Green Eye' | 4 | 0161 | 1 | | | | | div | |
| 09267 | Ericaceae | Rhododendron augustinii subsp. chasmanthum | 3 | 0155 | 1 | | | B+ | V | ggd | |
| 09269 | Ericaceae | Rhododendron augustinii subsp. chasmanthum | 3 | 0039 | 1 | | | B+ | | ggd | |
| 09265 | Ericaceae | Rhododendron augustinii 'Trewithen' | 4 | 0161 | 1 | | | B+ | | ggd | |
| 09264 | Ericaceae | Rhododendron augustinii 'Trewithen' | 4 | 0161 | 1 | | | B+ | | ggd | |
| 09266 | Ericaceae | Rhododendron augustinii 'Trewithen' | 4 | 0161 | 1 | | | B+ | | ggd | |
| 85370 | Ericaceae | Rhododendron aureum | 2 | 0002 | 1 | * | | A+ | V | wld | |
| 85276 | Ericaceae | Rhododendron auriculatum | 4 | V | 1 | | | A | T | ggd | |
| 91765 | Ericaceae | Rhododendron auriculatum | 4 | Y | 1 | | | A | | pds | |
| 89188 | Ericaceae | Rhododendron auriculatum | 4 | V | 2 | | | A | | pds | |
| 88048 | Ericaceae | Rhododendron auriculatum | 3 | 0031 | 1 | | | A | | pds | |
| 89374 | Ericaceae | Rhododendron auriculatum (big leaves) | 3 | 0031 | 1 | | | A | | ggd | |
| 91220 | Ericaceae | Rhododendron auriculatum (hybrid) | 2 | 0031 | 2 | | | A | H | pds | |
| 93212 | Ericaceae | Rhododendron auriculatum (hybrid) | 4 | 0462 | 2 | * | | A+ | H | pds | |
| 92118 | Ericaceae | Rhododendron auriculatum (hybrid) | 3 | 0118 | 6 | | | A+ | H | pds | |
| 93300 | Ericaceae | Rhododendron auriculatum (hybrid) | 4 | 0163 | 1 | | | B- | H | pds | |
| 12037 | Ericaceae | Rhododendron austrinum | 4 | 0126 | 1 | | | A+ | | wld | |
| 12308 | Ericaceae | Rhododendron austrinum | 4 | 0126 | 1 | | | | | wld | |
| 13048 | Ericaceae | Rhododendron austrinum | 4 | 0126 | 2 | | | | V | wld | |
| 15161 | Ericaceae | Rhododendron austrinum | 4 | 0126 | 1 | | | | | wld | |
| 11029 | Ericaceae | Rhododendron Avocet Group (discolor x fortunei) | 4 | 0168 | 1 | | | | | pds | |
| 76045 | Ericaceae | Rhododendron 'Azor' (griersonianum x fortunei subsp. discolor) | 4 | U | 2 | * | | A | T | hil | |
| 00215 | Ericaceae | Rhododendron 'Azor' (griersonianum x fortunei subsp. discolor) | 3 | 0186 | 1 | | | B | | pds | |
| 10137 | Ericaceae | Rhododendron 'Azor' (griersonianum x fortunei subsp. discolor) | 4 | 0168 | 1 | | | B+ | | pds | |
| 82034 | Ericaceae | Rhododendron 'Babylon' (calophytum x praevernum) | 4 | T | 1 | * | | B | ? | reu | |
| 80003 | Ericaceae | Rhododendron 'Bad Eilsen' ('Essex Scarlet' x forr.repens) | 3 | H | 2 | ** | | B | | dho | |
| 91587 | Ericaceae | Rhododendron 'Bajazzo' ('Daisy' x 'Oldenburg') | 4 | 0283 | 1 | | | B+ | | waa | |
| 09348 | Ericaceae | Rhododendron balangense | 3 | 0162 | 1 | | | B+ | | ggd | |
| 94281 | Ericaceae | Rhododendron balfourianum (hybrid) | 4 | R | 1 | | | A | H | pds | |
| 86396 | Ericaceae | Rhododendron balfourianum Aganniphoides Group | 3 | 0352 | 1 | | | A | V | esv | |