Salix × rubens Schrank

POWO follows these authorities in synonymising this name:

• Belyaeva (2009). Nomenclature of Salix fragilis L. and a new species, S.euxina (Salicaceae). Taxon 58: 1344-1348. [Cited as Salix × fragilis.]
• Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics. [Cited as Salix × fragilis f. fragilis.]
• Stace, C.A., Preston, C.D. & Pearman, D.A. (2015). Hybrid flora of the British isles: 1-501. Botanical Society of Britain and Ireland. [Cited as Salix × fragilis.]

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

• Dimopoulos, P., Raus, T., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A., & Tzanoudakis, D. (2013). Vascular plants of Greece. An annotated checklist: 1-372. Botanic gardens and botanical museum Berlin-Dahlem, Berlin and Hellenic botanical society, Athens. [Cited as Salix rubens.]
• Marchenko, A.M. & Kuzovkina, Y.A. (2022). Notes on the nomenclature and taxonomy of Salix fragilis (Salicaceae). Taxon 71: 721-732. [Cited as Salix × rubens.]
• Skvortsov, A.K. (1999). Willows of Russia and Adjacent Countries: 1-307. University of Joensuu. [Cited as Salix × rubens.]
• Tutin, T.G. & al. (eds.) (1993). Flora Europaea 1: 53-66. Cambridge University Press. [Cited as Salix × rubens.]