Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to Washington, otherwise Montana to New Mexico, Arizona, and Nebraska where native.
Habitat: Streambanks and other moist, disturbed places.
Flowers: June-August
Origin: Introduced from farther east in United States
Conservation Status: Not of concern
[none provided]
Publication: Vasc. Pl. Pacif. N.W. 5: 280. 1955.
PNW Herbaria: Specimen records of Rudbeckia laciniata var. ampla in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Rudbeckia laciniata var. ampla checklist entry.
OregonFlora: Rudbeckia laciniata var. ampla information.
E-Flora BC: Rudbeckia laciniata var. ampla atlas page.
CalPhotos: Rudbeckia laciniata var. ampla photos.
USDA Plants: Rudbeckia laciniata var. ampla information.
