"Almost any unfamiliar berry is or may be snake-berry, and all snake-berries are poisonous; so a boy dares not eat a berry till some one . . . ". Needs verification but may come from Fannie D. Bergen (November 1892). "Popular American Plant Names". Botanical Gazette. 17 (11): 363–380. doi:10.1086/326860. S2CID224830265.
"Almost any unfamiliar berry is or may be snake-berry, and all snake-berries are poisonous; so a boy dares not eat a berry till some one . . . ". Needs verification but may come from Fannie D. Bergen (November 1892). "Popular American Plant Names". Botanical Gazette. 17 (11): 363–380. doi:10.1086/326860. S2CID224830265.
Jones, Theresa. "Climbing nightshade". Outdoor Learning Lab. Greenfield Community College. Retrieved 4 April 2021.
medherb.com
Culpeper Plant Names Database, discussing various editions of Culpeper, for example Culpeper, Nicholas, The English physitian: or an astrologo-physical discourse of the vulgar herbs of this nation, London, Peter Cole, 1652.
"Almost any unfamiliar berry is or may be snake-berry, and all snake-berries are poisonous; so a boy dares not eat a berry till some one . . . ". Needs verification but may come from Fannie D. Bergen (November 1892). "Popular American Plant Names". Botanical Gazette. 17 (11): 363–380. doi:10.1086/326860. S2CID224830265.
USDA, NRCS (n.d.). "Solanum dulcamara". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 17 November 2015.
Parnell, John A. N.; Cullen, Elaine L.; Webb, D. A.; Curtis, Tom (2011). Webb's an Irish flora. Cork: Cork University Press. ISBN978-1-909005-08-2. OCLC830022856.