Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to Washington, otherwise Rocky Mountains east to the Atlantic Coast.
Habitat: Streambanks and other moist, disturbed places.
Flowers: July-September
Origin: Introduced from further east in North America
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies, beetles, wasps
Perennial from a coarse, woody base, the stems up to 2 m. tall, glabrous and often glaucous.
Leaves alternate, large, petiolate, usually pinnatifid with broad segments.
Heads large, the yellow or grayish disk 1-2 cm. wide; rays 6-16, drooping, yellow, 3-6 cm. long; disk flowers numerous, fertile; receptacle hemispheric, chaffy throughout, its bracts blunt, gray-tipped; pappus a short crown.
Achene
Publication: Sp. Pl. 2: 906. 1753.
- var. ampla – tall black-eyed Susan 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.
PNW Herbaria: Specimen records of Rudbeckia laciniata in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Rudbeckia laciniata checklist entry.
OregonFlora: Rudbeckia laciniata information.
E-Flora BC: Rudbeckia laciniata atlas page.
CalPhotos: Rudbeckia laciniata photos.
USDA Plants: Rudbeckia laciniata information.
