R. callimorphum - ((dark)-pink; M; hH
R. calophytum – white-pink with dark blotch; early! large; E; H
R. campanulatum - lavender-purple-pink;  indumentum; M; hH - H
R. campylocarpum - cream yellow; M; hH - H
R. campylogynum - from cream to purple-red; compact!! M; C
R. camtschaticum - lilac-pink; decideous; very compact! M; C
R. canadense – N-Am; [urple-blue; decideous; V; C; moist!
R. canescens - USA; pink-white; fragrant; decideous; M; hH - H
R. carolinianum –  USA; pink-white; lepidote; M-L; hH - H
R. catawbiense - USA; lilac-purple-pink; L; hH - H
R. caucasicum - cream-yellow-white; E - M; hH
R. cinnabarinum - many varieties! orange\red\lilac\pink; E-L; hH - H
R. concinnum – lavender-purple; lepidote; arom; E-M; hH
R. coriaceum - white+red blotch! largeshrub\tree; E; H; Pn!!
R. dauricum - pink-purple; lepidote; very early! E; hH
R. crinigerum -white-pink+red blotch; indumentum; fine! E-M; H; Pn!
R. davidsonianum - lilac(white); lepidote; M; hH - H
R. decorum - white-pink; fragrant; large; late! L; H
R. dichroanthum –yellow-orange; calyx; M-L; C - hH
R. discolor – pink-white; late! Large! L; H
R. eclecteum - from yellow to pink; E - M; hH
R. elegantulum – pink-white; indumentum; very early; E; hH
R. eximium - (light)pink; indumentum; M; H; Pn!!
R. fargesii – pink(stripes); early; apart leaves; E; hH 
R. fastiagatum - lavender\blue; lepidote; M; C
R. ferrugineum - pink(to white); lepidote; European Alps; M - L; C
R. flammeum - USA; orange-red; decideous; M; hH
R. flavorufum - white-pink; indumentum! M; hH
R. floribundum - lavender-purple; indumentum! E - M; hH - H
R. fortunei – soft pink; fragrant; M; H
R. fulvum - (dark)pink; indumentum; E - M; hH - H
R. genesterianum - Apart! blackpurple! protection!! M; hH; Pn!!
R. globigerum - pink-white; indumentum! M; hH
R. gymnocarpum - darkred; indumentum; M; C - hH
R. haematodes – bright red; indumentum; M; hH
R. hanceanum - cream yellow; lepidote+low; M; C
R. hemsleyanum - white;large plant; M - L; H
R. hirsutum - from red to white; lepidote and heary; M-L; C
R. impeditum – and derived varieties; blue\lilac; E-M; C
R. indicum - azalea; (pink)red; varieties; L; C
R. insigne – pink-white; silver underside leaves! M; hH - H
R. irroratum - white-cream-pink+dark dots! E - M; hH - H
R. keiskei – yellow; lepidote; (most)low compact; E; C
R. keleticum - purple=red; lepidote; very compact; M; C

R. kiusianum - azalea; pink-purple; M; C
R. lacteum - cream-yellow; nice plant; M; hH -H
R. lanatum - pale-yellow; thick indumentum! M; hH
R. lutescens – yellow; lepidote. E; hH - H
R. luteum - yellow; fragrant! decideous; M; hH - H
R. macrophyllum; USA; lavender-pink-white; M; hH - H
R. makinoi – pink-white; indumentum; narrow leaves; M; C; 
R. maximum – pink(white); cold hardy! late! USA; L; hH - H
R. micranthum –white in small trusses; lepidote; hardy! M-L; hH
R. mucronulatum - lilac; decideous; very early! E; hH
R. nakaharae - azalea; red-pink; late; spreading; L; C
R. niveum - apart lilac-purple! large plant(tree); M; H
R. occidentale – cream-pink-white; fragrant bdecideous, L; hH
R. orbiculare – pink; almost round leaves; E - M; hH
R. pachysanthum - white with dots; indumentum! E - M; C
R. pachytrichum – pink-white; indumentum! E; hH - H
R. periclymenoides - USA; pink-white; fragrant! decideous; M; hH - H
R. praestans - pink-white with red blotch; large! fine! M; H; Pn!!
R. preptum - white with red blotch! large plant! M; H; Pn!!
R. prinophyllum - pink(red)+ blotch; fragrant; decideous; M; hH
R. pronum - cream; rare! blue\green leaves; M; C
R. prunifolium –  USA; red; decideous; L; hH - H
R. pseudochrysanthum – pink-white; red dots; E; hH. 
R. pulloninii - apart! white(pink); foliage! M; C - hH
R. quinquefolium - azalea; white; apart leaves; decideous; M; C
R. racemosum -pink-white in small trusses; lepidote;  E- M; C - hH
R. recurvoides – rpink-white+red dots; indumentum! M; hH
R. rex – white+dark blotch; large plant; large leaves; E; H
R. roxieanum - white(pink); foliage! indumentum; M; hH
R. rubiginosum - lavender-pink; lepidote; M; hH
R. schlippenbachii - pink-white; decideous; M; hH
R. smirnovii – pink-lilac; indumentum! hardy; M; hH - H
R. taliense – cream-yellow-white; indumentum!! Nice!! M; C
R. traillianum - pink-white; indumentum! foliage; M; hH
R. trichostomum - white-pink; in small 'balls'; lepidote; M; C-hH
R. viscosum – pink-white; fragrant! decideous; USA; L; hH - H
R. wallichii - (pink)-white; nice new leaves! M; hH
R. wardii – yellow; parent of many hybrids! M; hH - H
R. williamsianum – pink; small round leaves; nice plant; M; C - hH
R. wiltonii - pink-white; red dots; indumentum!; M; hH
R. wightii - cream-yellow; looks like R. lacteum; M; hH - H
R. xanthocodon - light yellow; lepidote; bluish leaves; M; hH
R. yakushimanum – pink-white; indumentum; foliage! M; C; 
R. yunnanense –light  pink with pink blotch; M; hH