Rhododendron kaempferi Planch. var. macrogemmum Nakai

Rhododendron kaempferi Planch. var. macrogemma Nakai　オオシマツツジ　標準；http://ylist.info/ylist_detail_display.php?pass=18307

Rhododendron obtusum (Lindl.) Planch. var. macrogemma (Nakai) Kitam.；http://ylist.info/ylist_detail_display.php?pass=18503

Rhododendron kaempferi var. macrogemmum Nakai；This variety is accepted；https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77252277-1

Rhododendron kaempferi var. macrogemmum Nakai；Trees Shrubs Japan (T.Nakai & G.Koidzumi) 103 1922；https://www.biodiversitylibrary.org/item/148272#page/119/mode/1up
Rhododendron kaempferi var. macrogemmum Nakai；Nakai, Bot. Mag. (Tokyo) 38: 28 1924；Nakai, Takenoshin 1924 Abstract from T. Nakai:‘Trees and shrubs indigenous in Japan proper Vol. I. (1922)’, with Additional Remarks on Some Species Bot. Mag. Tokyo 38: 23-35
- Rhododendron macrogemmum (Nakai) Nakai in Bot. Mag. (Tokyo) 45: 128 1931；Nakai, Takenoshin 1931 Notulae ad Plantas Japoniae & Koreae XL Bot. Mag. Tokyo 45: 91-137
  - Rhododendron obtusum var. macrogemma (Nakai) Kitam. in Acta Phytotax. Geobot. 25: 37 (1972)

Rhododendron kaempferi Planch. var. macrogemma Nakai；五百川裕，倉重祐二，高橋英樹；日本の野生植物 4: 244 2017；大橋広好，門田裕一，邑田仁，米倉浩司，木原浩 2017 日本の野生植物 (改訂新版) (4) アオイ科～キョウチクトウ科平凡社 ISBN 978-4-582-53534-1

東京いきもの台帳；オオシマツツジ；https://www.inventory.ikimono.metro.tokyo.lg.jp/search?taxon_id[]=01k9vt4edmzcqxggmc4cn5kbzq&page=1&recursive=false
四季の山野草；オオシマツツジ；https://www.ootk.net/cgi/shikihtml/shiki_4034.htm
関東環境局；オオシマツツジ開花　大島（伊豆諸島地域）；https://kanto.env.go.jp/blog/2020/05/post-874.html

Rhododendron kaempferi var. iyoense

Rhododendron kaempferi var. iyoense (Nakai) Sugim.；This variety is accepted；https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:880179-1

Rhododendron kaempferi var. iyoense (Nakai) Sugim.；J. Geobot. 22: 52 1975；杉本順一 1975 日本植物雑記 (二) 北陸の植物 22: 50-53
- Rhododendron iyoense Nakai in Bot. Mag. (Tokyo) 43: 447 1929

Rhododendron kaempferi var. lusidusculum

Rhododendron kaempferi var. lusidusculum (Nakai) Sugim.；This variety is accepted；https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:880180-1

Rhododendron kaempferi var. lusidusculum (Nakai) Sugim.；J. Geobot. 22: 51 1975；杉本順一 1975 日本植物雑記 (二) 北陸の植物 22: 50-53
- Rhododendron lusidusculum Nakai；Trees Shrubs Japan (T.Nakai & G.Koidzumi) 103 1922；https://www.biodiversitylibrary.org/item/148272#page/119/mode/1up

SYN

Rhododendron luidusculum Nakai；Nakai, Bot. Mag. (Tokyo) 38: 28 1924；Nakai, Takenoshin 1924 Abstract from T. Nakai:‘Trees and shrubs indigenous in Japan proper Vol. I. (1922)’, with Additional Remarks on Some Species Bot. Mag. Tokyo 38: 23-35

Rhododendron kaempferi Planch. var. saikaiense (T.Yamaz.) T.Yamaz.　サイカイツツジ　標準；http://ylist.info/ylist_detail_display.php?pass=18308

Rhododendron kaempferi var. saikaiense (T.Yamaz.) T.Yamaz.；This variety is accepted；https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:993014-1

Rhododendron kaempferi var. saikaiense (T.Yamaz.) T.Yamaz.；Revis. Gen. Rhododendron Japan, Taiwan, Korea & Sakhalin: 61 (1996)
- Rhododendron obtusum var. saikaiense T.Yamaz. in Fl. Japan 3a: 28 (1993)

Rhododendron kaempferi var. saikaiense (T.Yamaz.) T.Yamaz.；五百川裕，倉重祐二，高橋英樹；日本の野生植物 4: 244 2017；大橋広好，門田裕一，邑田仁，米倉浩司，木原浩 2017 日本の野生植物 (改訂新版) (4) アオイ科～キョウチクトウ科平凡社 ISBN 978-4-582-53534-1

Rhododendron kaempferi Planch. var. tubiflorum Komatsu　ヒメヤマツツジ　標準；http://ylist.info/ylist_detail_display.php?pass=5379

Rhododendron kaempferi Planch. f. tubiflorum (Komatsu) H.Hara；http://ylist.info/ylist_detail_display.php?pass=21265

Rhododendron kaempferi var. tubiflorum Komatsu；This variety is accepted；https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77252954-1

Rhododendron kaempferi var. tubiflorum Komatsu； Icon. Pl. Koisikav. 4: 7, t. 216 1918；Google Book
- Rhododendron kaempferi var. tubiflorum Komatsu, Komatsu, Bot. Mag. Tokyo 32: 17 1918；小松春三 1918 日本産躑躅屬ニ就テ (承前) 植物学雑誌 32: 1-22
Rhododendron obtusum f. tubiflorum (Komatsu) Makino in Ill. Fl. Nippon: 255 1940；http://www.hokuryukan-ns.co.jp/makino/coma1.php?no1=765
- Rhododendron obtusum var. tubiflorum (Komatsu) T.Yamaz. in Fl. Japan 3a: 28 1993