Parnassiaceae Martinov

Flora of Iraq

• J.R. Edmondson (2019). Flora of Iraq, Volume 5, Part 2: Lythraceae to Campanulaceae. Ghazanfar, S. A., & Edmondson, J. R. (Eds). Kew Publishing
• S.F. Gray, Nat. Arr. Br. Pl. 2 : 670 (1821)

Neotropikey

• APG 2. (2003). An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants. Botanical Journal of the Linnean Society. 141: 399-436.
• Berkov, A. (2004). Lepuropetalaceae. In: Smith, N., Mori, S. A., Henderson, A., Stevenson, D. W. & Heald, S. V. (eds.). Flowering Plants of the Neotropics. p. 214. The New York Botanical Garden, Princeton University Press, Princeton.
• Bye, R. A. & Soltis, D. E. (1979). Parnassiatownsendii (Saxifragaceae), a Mexican Endemic. The Southwestern Naturalist 24:2 pp. 209-222
• Culham, A. (2007). In: Heywood, V.H., R.K. Brummitt, A. Culham and O. Seberg (eds). Flowering plant families of the world, pp. 243-4. Kew: Royal Botanic Gardens, Kew.
• Maas, P.J.M. & Westra, L.Y. Th. (2005). Neotropical Plant Families. 3rd ed. p. 166. A.R.G. Gantner Verlag K.G., Ruggell.
• Simmons, M.P. (2004). Parnassiaceae. In Kubitzki, K. (ed.), amilies and genera of vascular plants vol. 6. Flowering plants. Dicotyledons. pp. 291-296.  Springer-Verlag, Berlin.
• Spongberg, S. A. (1972). The genera of Saxifragaceae in the Southeastern United States. Journal of the Arnold Arboretum 53:4. pp. 409-498.
• Stevens, P. F. (2008). Angiosperm Phylogeny Website. Version 9 onwards. http://www.mobot.org/MOBOT/research/APweb/.
• Watson, L. & Dallwitz, M. J. (1992) onwards. The Families of Flowering Plants: Descriptions, Illustrations, Identification, and Information Retrieval. Version: 14th December (2000).
• Zhang, L. & Simmons, M.P. (2006). Phylogeny and delimitation of the Celastrales inferred from nuclear and plastid genes. Systematic Botany 31:1. pp. 122-137