16a. Solidago puberula Nuttall subsp. puberula
Solidago puberula var. borealis Victorin; S. puberula var. expansa Victorin
Leaves 20–50(–60), mid cauline usually 40–50 mm. Phyllaries attenuate. 2n = 18.
Flowering Aug–Oct. Sandy and rocky soils, edges of deciduous and pine woods, clearings, sandy and rocky margins of ponds and streams, balds, roadsides; 0–1600+ m; N.B., N.S., Ont., Que.; Ala. , Conn., Del., Ga., Ky., Maine, Md., Mass., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., W.Va.