– common ivy
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, widespread elsewhere in North America.
Habitat: Wooded areas at low elevations.
Origin: Introduced from Europe
Flowers: May-June
Growth Duration: Perennial
– Atlantic ivy
Distribution: Occurring chiefly west of the Cascades crest in Washington; southwestern British Columbia to California, east in the Columbia River Gorge.
Habitat: Lowland forest, often where disturbed.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Perennial