Source: Sennikov, A. (2009+): Cotoneaster. – In: Kurtto, A. (ed.): Rosaceae. Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Cotoneaster villosulus (Rehder & E. H. Wilson) Flinck & B. Hylmöin Bot. Not. 115: 383. 1962
≡Cotoneaster acutifolius var. villosulus Rehder & E. H. Wilsonin Sargent, Pl. Wilson. 1: 158. 1912