Heliopsis helianthoides (USA)

Heliopsis helianthoides (L.) Sw. (syn: Buphthalmum helianthoides L. (ambiguous synonym); Helepta angustifolia Rafin.; Helepta grandiflora Rafin.; Helepta parviflora Rafin.; Helianthus laevis L. (ambiguous synonym); Heliopsis helianthodes (L.) Kuntze; Heliopsis helianthoides (L.) Britt., Stern & Pogg.; Heliopsis helianthoides var. solidaginoides (L.) Fern.; Heliopsis laevis (L.) Pers. (ambiguous synonym); Heliopsis oppositifolia (L.) Druce (ambiguous synonym); Rudbeckia oppositifolia L.; Silphium helianthoides L.; Silphium solidaginoides L.);      

Canada (Ontario), USA (Alabama, Arkansas, Connecticut, Delaware, Georgia,
Illinois, Indiana, Kentucky, Louisiana, Maryland, Massachusetts, Michigan,
Mississippi, Missouri, New Jersey, New York, North Carolina, Ohio, Pennsylvania,
South Carolina, Tennessee, Vermont, Virginia, West Virginia, Wisconsin), England
(I), France (I), Denmark (I), Germany (I), Austria (I), Italy (I), Poland (I),
Hungary (I), Belarus (I), Moldova (I), Ukraine (I), European Russia (I),
Colombia (I), Korea (I) as per Catalogue of Life;

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Asteraceae for ID : New Windsor, New York : 19SEP19 : AK-07 : 2 posts by 1 author. Attachments (4)

Cultivated plant with bright yellow flowers.

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The closest I could come on searching is Heliopsis helianthoides ‘Summer Nights’.

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For your Windsor, New York plant, you have suggested Heliopsis helianthoides ‘Summer Nights’

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