Yunheng Ji, Peter W. Fritsch, Heng Li, Tiaojiang Xiao, and Zhekun Zhou (2006). „Phylogeny and classification of Paris (Melanthiaceae) inferred from DNA sequence data”. Annals of Botany98 (1), 245–256. o. DOI:10.1093/aob/mcl095. PMID 16704998.
Yunheng Ji, Peter W. Fritsch, Heng Li, Tiaojiang Xiao, and Zhekun Zhou (2006). „Phylogeny and classification of Paris (Melanthiaceae) inferred from DNA sequence data”. Annals of Botany98 (1), 245–256. o. DOI:10.1093/aob/mcl095. PMID 16704998.