討論:紫花地丁

台灣植物誌第一版 Flora of Taiwan, 1st edition；https://tai2.ntu.edu.tw/ebooks/FlTaiwan/3/776
- Illustration；https://tai2.ntu.edu.tw/ebooks/FlTaiwan/3/778
台灣植物誌第二版 Flora of Taiwan, 2nd edition；https://tai2.ntu.edu.tw/ebooks/FlTaiwan2nd/3/825
- 手繪圖；https://tai2.ntu.edu.tw/ebooks/FlTaiwan2nd/3/826
Plants of TAIWAN 台灣植物資訊整合查詢系統　　https://tai2.ntu.edu.tw/PlantInfo/species-name.php?code=446%20002%2011%200
Viola mandshurica W. Becker；Lin, Taiwania 1: 279. 1950；

Viola mandshurica W. Becker is an accepted name；http://www.plantlist.org/tpl1.1/record/tro-33800065

Viola mandshurica W.Becker, Bot. Jahrb. Syst. 54(5, Beibl. 120): 179 (1917).；https://www.biodiversitylibrary.org/page/192172#page/1028/mode/1up

Viola mandshurica W.Becker；Nakai in B. M. T. 36: (92) (1922)；https://www.biodiversitylibrary.org/page/41794094#page/353/mode/1up
Viola mandshurica W.Becker；Ohwi, Fl. Jap. ed. Engl.: 636 (1965)；https://www.biodiversitylibrary.org/page/30046548#page/664/mode/1up
Viola mandshurica W. Becker；Wang & Huang, Taiwania 35: 44. 1990.；https://taiwania.ntu.edu.tw/pdf/tai.1990.35.12.pdf
Viola mandshurica W.Becker；Flora of the U.S.S.R. 15:317 fig 20-4 1974；https://www.biodiversitylibrary.org/item/95138#page/349/mode/1up
Viola mandshurica W. Becker；Espeut, Botanica Pacific 9 (1): 25 fig 2F ／Espeut, Marc Revision of the genus Viola L. (Violaceae) in the Russian Far East with notes on adjacent territories Botanica Pacifica 9 (1): 3–52
Viola mandshurica W. Becker；Lin, Taiwania 1: 279. 1950；Lin, Hsin-Tzu 1950 Notes on the Genus Viola in Taiwan Taiwania 1: 269-283

Viola oblongo-sagittata Nakai var. violascens Nakai f. ishizakii Yamamoto, Journal of the Society of Tropical Agriculture 5: 352. 1933. (J. Soc. Trop. Agr., 熱帶農學會誌)；https://tai2.ntu.edu.tw/TAIimage/ref/PDF/119001.pdf

Viola oblongosagittata f. ishizakii Yamam. is a synonym of Viola mandshurica W. Becker；http://www.plantlist.org/tpl1.1/record/tro-33801360

Viola mandshurica W. Becker var. ciliata Nakai, Short Flora of Formosa 142. 1936. (Short Fl. Formos., 最新台灣植物總名錄)
Viola mandshurica var. ciliata Nakai；Bot. Mag. (Tokyo) 36: 60 1922；https://www.biodiversitylibrary.org/item/130630#page/387/mode/1up
Viola mandshurica W. Becker var. ciliata Nakai；Lin, Taiwania 1: 279. 1950；Lin, Hsin-Tzu 1950 Notes on the Genus Viola in Taiwan Taiwania 1: 269-283

Viola mandshurica W. Becker var. glabra Nakai；Lin, Taiwania 1: 279. 1950；Lin, Hsin-Tzu 1950 Notes on the Genus Viola in Taiwan Taiwania 1: 269-283
Viola mandshurica var. glabra Nakai ；Bot. Mag. (Tokyo) 36: 60 1922；https://www.biodiversitylibrary.org/item/130630#page/387/mode/1up

Viola mandshurica W.Becker f. macrantha (Maxim.) Nakai ex Kitag.；http://ylist.info/ylist_detail_display.php?pass=24853

《中国植物志》第51卷 (1991) >> 066页 PDF >> 东北堇菜 Viola mandshurica；http://www.iplant.cn/info/Viola%20mandshurica?t=z
FOC Vol. 13 Page 77, 95；Viola mandshurica W. Becker, Bot. Jahrb. Syst. 54, Beibl. 120: 179. 1917.；东北堇菜；http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200014381