References
- DeFilipps , R. A. 1972 . “ Phlomis L. ” . In Flora Europaea. , Edited by: Tutin . Vol. 3 , 144 – 145 . Cambridge : Cambridge University Press .
- Adams , R. P. 1995 . Identification of Essential Oil Components by Gas Chromatography and Mass Spectrometry. , IL, , USA : Allured Publishing Corp., Carol Stream .