Verbatim text: Phipps, J. B. and K. A. Dvorsky. 2006b. Review of Crataegus series Pulcherrimae (Rosaceae). Sida 22: 973–1007.
Author: Phipps, J.B., Dvorsky, K.A.
Year: 2006b
Title: Review of Crataegus series Pulcherrimae (Rosaceae)
Journal: Sida
Volume: 22
Pages: 973–1007