Similar to no. 12 [Solidago uliginosa Nutt.]; glabrous throughout; middle and upper lvs mostly more numerous and more conspicuously reduced; infl elongate and narrow, varying from straight and nonsecund to more often secund or with short, secund branches and recurved tip, or with several long, slender, ascending, evidently secund branches; invol (3.5-)4-7 mm; achenes rather thinly strigose; 2n=18. Swamps and other moist places; Va. and W.Va. to Ga., Ala., and n. Fla. (S. austrina; S. perlonga)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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