Islam, Tajamul, Anzar Ahmad Khuroo, Debabrata Maity, and Irshad A. Nawchoo. 2024. “Swertia patnitopiansis, a New Synonym of S. cordata (Gentianaceae)”. Phytotaxa 664 (2). Auckland, New Zealand:132-38. https://doi.org/10.11646/phytotaxa.664.2.5.