Distribution: Known from only a few localities west of the Cascades crest in Washington; also known from British Columbia and Montana.
Habitat: Disturbed areas, where escaped from cultivation.
Flowers: June-July
Origin: Introduced from Europe
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Veronica longifolia in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Veronica longifolia checklist entry.
E-Flora BC: Veronica longifolia atlas page.
CalPhotos: Veronica longifolia photos.
USDA Plants: Veronica longifolia information.