討論:Symphytum officinale
山羊百科，林文智老師的植物、山岳、攝影紀錄
- Symphytum officinale L., Sp. Pl. 1: 136 (1753). https://www.biodiversitylibrary.org/page/358155#page/148/mode/1up
- Symphytum officinale L.；Ingram, Baileya 9: 93 (1961).；https://archive.org/details/sim_baileya_1961-09_9_3/page/93/mode/1up
- Illustration T. 31；https://archive.org/details/sim_baileya_1961-09_9_3/page/92/mode/1up
- Symphytum uliginosum A.Kern., Oesterr. Bot. Z. 13: 227 (1863). https://www.biodiversitylibrary.org/page/28304548#page/232/mode/1up
- Symphytum uliginosum A.Kern. http://irapl.altervista.org/flora-e/index.php?recn=18701
- North American Network of Small Herbaria - Symphytum officinale http://nansh.org/portal/taxa/index.php?taxauthid=1&taxon=18797&clid=4875
