Nachychko, V. O., Gamulya, Y. G., & Sosnovsky, Y. V. (2019).

Typification of four names in Thymus (Lamiaceae) based on material from the Herbarium of V.N. Karazin Kharkiv National University (CWU)

. Phytotaxa, 409(2), 71–82. https://doi.org/10.11646/phytotaxa.409.2.3