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Solidago rigida subsp. rigida  

Explore 3 occurrences

Family: Asteraceae
stiff goldenrod, more...stiff goldenrod
[Oligoneuron rigidum (L.) Small, moreOligoneuron rigidum var. rigidum , Solidago grandiflora Rafin.]
Solidago rigida subsp. rigida image
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John C. Semple, Rachel E. Cook in Flora of North America (vol. 20)
Stems (robust) 60-150 cm, coarsely hispid (10-70 hairs/mm 2 ) (hairs stiff). Leaves: basal large, to 250 × 100 mm; faces moderately to densely hispid (7-50 hairs/mm 2 ); mid to distal ovate, thick. Heads usually in loose, open, spreading, flat-topped arrays, 3-20(-34) × (4.5-)6.5-18(-27) cm. Peduncles densely hispido-strigose. Phyllaries: outer hairy; inner oblong to slightly spatulate, 0.8-1.4 mm wide, glabrate to puberulent. Disc corolla lobes deep, 1.1-1.6 mm. Cypselae glabrous. 2n = 18, 36. Flowering Aug-Oct. Prairies, glades, oak savannas, dry open areas especially on calcareous soils, disturbed grounds (railroads, etc.); 0-400+ m; Ont.; Ark., Conn., Del., Ill., Ind., Iowa, Kans., Ky., Md., Mass., Mich., Mo., Nebr., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Va., W.Va., Wis.
Solidago rigida subsp. rigida
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Solidago rigida subsp. rigida image
Solidago rigida subsp. rigida image
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