found: Work cat.: Krinard, R.M. American holly, 1973:p. 3 (American holly (Ilex opaca); probably best known as holly, and is also known as Yule holly, Christmas holly, and white holly)
found: GRIN taxonomy for plants, via WWW, Apr. 10, 2006(Ilex opaca. Common names: American holly, white holly)
found: A synonymized checklist of the vascular flora of the United States, Puerto Rico, and the Virgin Islands, via WWW, Apr. 10, 2006(Ilex opaca - American holly)
found: The plants database, via WWW, Apr. 10, 2006(Ilex opaca, American holly)
found: ITIS, Apr. 10, 2006(Ilex opaca Ait. -- American holly)
