Jalas (Degen & Urum.) 1974 - Jalas J (1974) Notes on Thymus L. (Labiatae) in Europe. III. Annales Botanici Fennici 11(4): 262-266. Retrieved from http://www.jstor.org/stable/23725076
There is no corrections for Thymus leucotrichus subsp. neiceffii yet.