Phenological attributes of Angelica glauca and A. archangelica expressed at two different climatic zones in Western Himalaya (R. K. Vashistha, J. S. Butola, B. Nautiyal, & M. Nautiyal, Trans.). (2010). Open Access Journal of Medicinal and Aromatic Plants, 1(1), 7-12. https://epubs.icar.org.in/index.php/JMAP/article/view/4374