Ackerfield, Jennifer; Wen, Jun (July 2003). "Evolution of Hedera (The Ivy Genus, Araliaceae): Insights from Chloroplast DNA Data". International Journal of Plant Sciences. 164 (4): 593–602. doi:10.1086/375423. JSTOR10.1086/375423. S2CID84324930.
jstor.org
Ackerfield, Jennifer; Wen, Jun (July 2003). "Evolution of Hedera (The Ivy Genus, Araliaceae): Insights from Chloroplast DNA Data". International Journal of Plant Sciences. 164 (4): 593–602. doi:10.1086/375423. JSTOR10.1086/375423. S2CID84324930.
"AGM Plants - Ornamental"(PDF). Royal Horticultural Society. July 2017. p. 45. Retrieved 2 March 2018.
semanticscholar.org
api.semanticscholar.org
Ackerfield, Jennifer; Wen, Jun (July 2003). "Evolution of Hedera (The Ivy Genus, Araliaceae): Insights from Chloroplast DNA Data". International Journal of Plant Sciences. 164 (4): 593–602. doi:10.1086/375423. JSTOR10.1086/375423. S2CID84324930.