Oregon Sunshine, Woolly Sunflower, Common Eriophyllum: Eriophyllum lanatum var. integrifolium - Plants average 10-25 cm high. Flower heads smaller, the involucre measuring 6-10 mm wide. About 8 rays encircle the disk flowers, each ray measuring from 5-12 mm long. The leaves are typically entire or tri-lobed at the tip.

Western Woolly Sunflower, Woolly Sunflower, Common Eriophyllum: Eriophyllum lanatum var. leucophyllum (Synonym: Eriophyllum lanatum var. lanatum)- Plants average 26-60 cm high. Flower heads are larger, the involucre measuring 9-12 mm wide. About 8-15 rays encircle the disk flowers, each ray measuring from 10-20 mm long. The leaves are typically pinnatifid but may be entire also.