Verbatim text: Phipps, J. B. and K. A. Dvorsky. 2008. A taxonomic revision of Crataegus series Lacrimatae (Rosaceae). J. Bot. Res. Inst. Texas 2: 1101–1162.
Author: Phipps, J.B., Dvorsky, K.A.
Year: 2008
Title: A taxonomic revision of Crataegus series Lacrimatae (Rosaceae)
Journal: J. Bot. Res. Inst. Texas
Volume: 2
Pages: 1101–1162