討論:Symphytum
山羊百科，林文智老師的植物、山岳、攝影紀錄
- Gadella, Ann. Missouri Bot. Gard. 71: 1061-1067 1984；https://www.biodiversitylibrary.org/page/16167373#page/1084/mode/1up
- Gadella, T. W. J.；Notes on Symphytum (Boraginaceae) in North America
- Ingram, Baileya 9: 93 (1961).；https://archive.org/details/sim_baileya_1961-09_9_3/page/93/mode/1up
- Revision of Symphytum from Fri, 2014-01-17 11:11 http://alienplantsbelgium.be/node/8720/revisions/9878/view
- （？）ロシアンコンフリー Symphytum x uplandicum - Familiar ... https://sc-familiarflowers2.hatenablog.com/entry/2017/07/01/204422
- Symphytum uplandicum Nyman, Syll. Fl. Eur. 80 (1855). https://bibdigital.rjb.csic.es/viewer/11472/?offset=#page=104&viewer=picture&o=bookmark&n=0&q=
- Symphytum ×uplandicum Nyman - Flora of Victoria https://vicflora.rbg.vic.gov.au/flora/taxon/a288e670-ea34-4fe5-86fe-572a9afe6f32
- Notes on Symphytum (Boraginaceae) in North America https://www.biodiversitylibrary.org/page/16167373#page/1084/mode/1up
