Solidago aestivalis E. P. Bicknell

Herbage glabrous. Distal cauline leaf blades lanceolate, somewhat reduced distally. Heads in compact to lax pyramidal arrays, branches divergent and recurved arrays. Rays florets 5–12. 2n = 18, 54.

Flowering Aug–Oct. Sandy and boggy soils, cedar woods and wet ground; 0–100+ m; N.S.; Conn., Maine, Mass., N.J., N.Y., N.C., Pa., R.I., S.C., Va.

Variety sphagnophila is a distinctive cedar-swamp race in its pure form. Intermediates with var. rugosa occur in areas of sympatry.