Populations studied for Thymus zygis.
The following sites were sampled, with individual and/or collective samples of essential oil: Turrillas, Rambla Honda, Pto. Santa María, Salientes, Bayarque, Velefique, Lorca, Las Morcillas, Desvío Cenajo, Fondón, Cortijo Chapina, Liétor, Santomera Embalse, Villanueva Río Segura, Fiñana, Ocaña, Enmedio, Campico López, Carrascoy Norte, Urcal, Alcóntar, Laujar, Fuente Alamo.
The following chemotypes were found within individual samples:
https://www.crcpress.com/Thyme-The-Genus-Thymus/Stahl-Biskup-Saez/p/book/9780203216859
https://species.wikimedia.org/wiki/Thymus_zygis
https://www.ncbi.nlm.nih.gov/pubmed/9179593
https://en.wikipedia.org/wiki/Thymus_(plant)
https://www.hindawi.com/journals/jobe/2012/104706/
http://www.sciencedirect.com/science/article/pii/S187853521500266X
https://species.wikimedia.org/wiki/Thymus_zygis
https://www.ncbi.nlm.nih.gov/pubmed/9179593
https://en.wikipedia.org/wiki/Thymus_(plant)
https://www.hindawi.com/journals/jobe/2012/104706/
http://www.sciencedirect.com/science/article/pii/S187853521500266X