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Thyme : the genus thymus. Stahl-Biskup, Elisabeth., Sáez, Francisco, 1964-. London: Taylor and Francis. 2003. ISBN9780415284882. OCLC53018541.{{cite book}}: CS1 maint: others (link)
Manicacci, Domenica; Atlan, Anne; Elena Rossello, Juana Anna; Couvet, Denis (1998-11-01). "Gynodioecy and Reproductive Trait Variation in Three Thymus Species (Lamiaceae)". International Journal of Plant Sciences. 159 (6): 948–957. doi:10.1086/314085. ISSN1058-5893.