EcoFlora - Helianthus nuttallii subsp. rydbergii

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Helianthus nuttallii subsp. rydbergii (Britton) R.W. Long
Family: Asteraceae [Helianthus apricus var. camporum (Lunell) Lunell]	FNA Resources Edward E. Schilling in Flora of North America (vol. 21) Plants usually 100-250 cm. Leaves all or mostly opposite; blades lanceolate to nearly ovate, apices acute to obtuse, abaxial faces hispid to hispidulous. Phyllaries: abaxial faces ± glabrate or sparsely hairy (longer hairs 0.5-1 mm). Flowering late summer-fall. Open areas, sandy dry soils, wet places; 200-1000 m; Alta., Man., Ont., Que., Sask.; Colo., Iowa, Minn., Mont., Nebr., N.Dak., S.Dak.
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This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].

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