Euthamia tenuifolia var. tenuifolia

Larger lvs mostly 2-3(-4) mm wide, often with a pair of weak lateral nerves, with or without axillary fascicles; rays mostly (8-)10-16 and disk-fls 5-7(-9), the fls 17-21 in all. Blooming later than var. microcephala, where their ranges overlap. Northern, s. to Va. and irregularly to Ga. and n. Fla. (Solidago t.)

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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