found: Work cat.: Chan, J.K. Effects of harvest method and stratification on germination of California beaked hazelnut (Corylus cornuta var. californica), 2004.
found: ITIS, May 20, 2005(Corylus cornuta var. californica; Syn.: Corylus californica; Common names: California hazel; California hazelnut; Species: Corylus cornuta)
found: GRIN taxonomy, May 20, 2005(Corylus cornuta Marshall subsp. californica (A. DC.) A. E. Murray; Common name: California hazel; Syn.: Corylus californica; Corylus cornuta var. californica; Corylus rostrata var. californica)
found: A synonymized checklist of the vascular flora of the United States, Puerto Rico, and the Virgin Islands, via WWW, May 20, 2005 (Corylus cornuta var. californica; Syn.: Corylus californica)
found: HortiPlex, via WWW, May 20, 2005(Corylus cornuta var. californica; Common name: California hazelnut)
found: Calflora, via WWW, Aug. 19, 2005 (Corylus cornuta var. californica. Common names: California Hazel [Hrusa 2001], California hazel [PLANTS 2001], California hazelnut [Hrusa 2001])
found: Plants national database, Aug. 19, 2005 (Variety Corylus cornuta Marsh. var. californica (A. DC.) Sharp -- California hazelnut)
notfound: Gardener's dictionary, via WWW, May 20, 2005