Narcissus longispathus Degen & Hervier ex Pugsley

POWO follows these authorities in synonymising this name:

• Blanchard, J.W. (1990). Narcissus a Guide to Wild Daffodils: 1-203. Alpine Garden Society, Woking. [Cited as Narcissus longispathus.]
• Fernández Casas, F.J. (2009). Narcissorum notulae XV. Fontqueria 56: 37-48. [Cited as Narcissus hispanicus.]
• Rico, E. & al. (eds.) in Castroviejo, S. & al. (eds.) (2013). Flora Iberica 20: 1-651. Real Jardín Botánico, CSIC, Madrid. [Cited as Narcissus pseudonarcissus subsp. nevadensis.]

This name was accepted following an alternative taxonomy by these authorities:

• Fernández Casas, F.J. (2013). Narcissorum notulae, XXXV. Fontqueria 56: 301-316. [Cited as Narcissus longispathus.]
• Marques, I., Aguilar, J.F., Martins-Louçao, M.A., Moharrek, F. & Nieto Feliner, G. (2017). A tree-genome five-gene comprehensive phylogeny of the bulbous genus Narcissus (Amaryllidaceae) challenges current classifications and reveils multiple hybridization events. Taxon 66: 832-854. [Cited as Narcissus longispathus.]
• Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press. [Cited as Narcissus longispathus.]
• Zonneveld, B.J.M. (2008). The systematic value of nuclear DNA content for all species of Narcissus L. (Amaryllidaceae). Plant Systematics and Evolution 275: 109-132. [Cited as Narcissus longispathus.]
• Zonneveld, B.J.M. (2010). The involvment of Narcissus hispanicus Gouan in the origin of Narcissus bujei and of cultivated trumpet daffodils (Amaryllidaceae). Anales del Jardin Botanico de Madrid 67: 29-39. [Cited as Narcissus longispathus.]