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Solidago

See list of 25 species in this genus

Pubescence of the cypsela body can often be assessed by examining the ovary while plants are in flower. Given that the color of ray flowers sometimes fades on herbarium specimens with age, some collections of Solidago can be difficult to distinguish from small-headed Symphyotrichum. This confusion can be solved by noting the fresh ray flower color on herbarium labels. Hybridization is reported between closely related species but does not appear to be a common event on the New England landscape. References: Semple et al. (1999), Semple and Cook (2006).

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 Show photos of:   Each photo represents one species in this genus.