GREY-WILSON, Christopher; MITCHELL, John. Meconopsis grandis: The True Himalayan Blue Poppy and the Cultivation of Meconopsis grandis. Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 8, p. 75–95, 2010. DOI: 10.24823/Sibbaldia.2010.138. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/138. Acesso em: 31 may. 2025.