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Michael A.M.A.RuggieroMichael A.M.A. i inni, A Higher Level Classification of All Living Organisms, „PLOS One”, 10 (4), 2015, art. nr e0119248, DOI: 10.1371/journal.pone.0119248, PMID: 25923521, PMCID: PMC4418965 [dostęp 2020-02-20](ang.).
Ma D. Lledó, A. P. Davis, M. B. Crespo, M. W. Chase i inni. Phylogenetic analysis of Leucojum and Galanthus (Amaryllidaceae) based on plastid matK and nuclear ribosomal spacer (ITS) DNA sequences and morphology. „Plant Systematics and Evolution”. 246 (3-4), 2004-06-14. Springer Science and Business Media LLC. DOI: 10.1007/s00606-004-0152-0. ISSN0378-2697. (ang.).