
Appearance
General: Glabrous perennial from a short woody base or short rhizome, 0.5-8 dm. tall, usually more or less glutinous at least in the inflorescence and peduncles.Leaves: Basal leaves oblanceolate to spatulate, toothed or nearly entire, blunt or rounded, up to 15 cm. long including the petiole, and 3 cm. wide, the cauline leaves progressively reduced and few.
Flowers: Inflorescence long and narrow to short and compact, the heads often with long pecuncles; involucre 4-6 mm. high, its bracts imbricate, blunt; ray flowers normally 8, disk flowers 13, all yellow.
Distinguishing Characteristics: The similar S. multiradiata always has ciliate petioles (hairs along each edge), S. simplex never has these rows of hairs.

Distribution
Occurring in the Olympic and Cascade Mountains in Washington; Alaska to California, east to Minnesota and Texas.Habitat
Open, slightly moist areas from coastal dunes to alpine meadows.References:
Some text fragments are auto parsed from Wikipedia.
http://biology.burke.washington.edu/herbarium/imagecollection.php?Genus=Solidago&Species=simplexhttp://science.halleyhosting.com/nature/gorge/sun/daisy/solidago/neomexicana.htm