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Meerow, Alan W.; Francisco-Ortega, Javier; Kuhn, David N.; Schnell, Raymond J. (2006). “Phylogenetic Relationships and Biogeography within the Eurasian Clade of Amaryllidaceae Based on Plastid ndhF and nrDNA ITS Sequences: Lineage Sorting in a Reticulate Area?”. 《Systematic Botany》 (영어) 31 (1): 42–60. doi:10.1600/036364406775971787. JSTOR25064128.