Grey-Wilson, C. and Mitchell, J. 2010. Meconopsis grandis: The True Himalayan Blue Poppy and the Cultivation of Meconopsis grandis. Sibbaldia: the International Journal of Botanic Garden Horticulture. 8 (Nov. 2010), 75–95. DOI:https://doi.org/10.24823/Sibbaldia.2010.138.