Rawat, R. S., Vaneet Jishtu, and K. S. Kapoor. 2009. “Medicinal and Aromatic Plant Diversity of Himalayan Cold Desert With Reference to Spiti Valley of North-West Himalayas”. Indian Forester 135 (7):891-904. https://doi.org/10.36808/if/2009/v135i7/421.