HUSAIN T, GARG A. Lectotypification of Pedicularis roylei var. speciosa (Scrophulariaceae) and differentiation from the type variety. Edinburgh J. Bot. [Internet]. 2006 Feb. 20 [cited 2026 Sep. 3];62(1-2):93-4. Available from: https://journals.rbge.org.uk/ejb/article/view/1844