Ceratocephala testiculata (Crantz) Besser

POWO follows these authorities in synonymising this name:

• Werier, D. (2017). Catalogue of the Vascular plants of New York state. Memoirs of the Torrey Botanical Club 27: 1-542. [Cited as Ranunculus testiculatus.]

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

• Ackerfield, J. (2015). Flora of Colorado: 1-818. BRIT Press. [Cited as Ceratocephala testiculata.]
• Davis, P.H. (ed.) (1965). Flora of Turkey and the East Aegean Islands 1: 1-567. Edinburgh University Press, Edinburgh. [Cited as Ceratocephala testiculata.]
• Dobignard, A. & Chatelain, C. (2013). Index synonymique de la flore d'Afrique du nord 5: 1-451. Éditions des conservatoire et jardin botaniques, Genève. [Cited as Ceratocephala testiculata.]
• Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Ceratocephala testiculata.]
• Lazkov, G.A. & Sultanova, B.A. (2011). Checklist of vascular plants of Kyrgyzstan. Norrlinia 24: 1-166. [Cited as Ceratocephala testiculata.]
• Malyschev, L.I. & Peschkova, G.A. (eds.) (2003). Flora of Siberia 6: 1-301. Scientific Publishers, Inc., Enfield, Plymouth. [Cited as Ceratocephala testiculata.]
• Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale. [Cited as Ceratocephala testiculata.]
• Tutin, T.G. & al. (eds.) (1993). Flora Europaea ed. 2, 1: 1-581. Cambridge University Press. [Cited as Ceratocephala testiculata.]
• Zykova, E.Yu & Ernst, A.S. (2012). Floristic findings of some rare and alien species in Siberia. Turczaninowia 15(4): 34-40. [Cited as Ceratocephala testiculata.]