1. Molecular evidence for adaptive radiation of Micromeria Benth. (Lamiaceae) on the Canary Islands as inferred from chloroplast and nuclear DNA sequences and ISSR fingerprint data;Meimberg;Mol. Phylogenet. Evol.,2006
2. 1962–1963: Nouvelle flore de l’Algérie et des régions désertiques méridionales. Vol. 1, 2. CNRS, Paris, 566, 1170;Chermat;J. Mater. Sci. Eng. A,2015
3. Flora Orientalis: sive, Enumeratio plantarum in Oriente a Graecia et Aegypto ad Indiae fines hucusque observatarum, H. Georg, Basileae;Boissier,1867
4. A taxonomic study of Labiatae and related genera;El-Gazzar;New Phytol.,1970
5. A Taxonomic Revision of the Genus Origanum (Labiatae);Ietswaart,1980