Distribution: Introduced west of the Cascades in Washington; British Columbia south to California; Ontario province.
Habitat: Spread by birds, mostly forested areas at low elevations.
Flowers: April-June
Origin: Introduced from Europe
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Ilex aquifolium in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Ilex aquifolium checklist entry.
E-Flora BC: Ilex aquifolium atlas page.
CalPhotos: Ilex aquifolium photos.
USDA Plants: Ilex aquifolium information.