Lawrence M. Kelley (1998). "Phylogenetic relationships in Asarum (Aristolochiaceae) based on morphology and ITS sequences". American Journal of Botany. 85 (10): 1454–67. doi:10.2307/2446402. JSTOR2446402. PMID21684897.
Lawrence M. Kelley (1998). "Phylogenetic relationships in Asarum (Aristolochiaceae) based on morphology and ITS sequences". American Journal of Botany. 85 (10): 1454–67. doi:10.2307/2446402. JSTOR2446402. PMID21684897.
Schaneberg BT, Applequist WL, Khan IA (October 2002). "Determination of aristolochic acid I and II in North American species of Asarum and Aristolochia". Pharmazie. 57 (10): 686–9. PMID12426949.
Lawrence M. Kelley (1998). "Phylogenetic relationships in Asarum (Aristolochiaceae) based on morphology and ITS sequences". American Journal of Botany. 85 (10): 1454–67. doi:10.2307/2446402. JSTOR2446402. PMID21684897.