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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.).
A.W. Meerow, K.D. Preuss, A. Fernando, C. Tombolato. Griffinia (Amaryllidacea), a critically endangered Brazilian geophyte with horticultural potential. „Acta Horticulturae”, s. 57–64, 2002. International Society for Horticultural Science (ISHS). DOI: 10.17660/actahortic.2002.570.4. ISSN0567-7572. (ang.).
Eduardo R. Cole, Jean P. de Andrade, João F. Allochio Filho, Elisângela F. P. Schmitt i inni. Cytotoxic and Genotoxic Activities of Alkaloids from the Bulbs of Griffinia gardneriana and Habranthus itaobinus (Amaryllidaceae). „Anti-Cancer Agents in Medicinal Chemistry”. 19 (5), s. 707–717, 2019-06-27. Bentham Science Publishers Ltd.. DOI: 10.2174/1871520619666190118122523. ISSN1871-5206. (ang.).
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