Helianthus × brevifolius explained

Helianthus × brevifolius is a hybrid perennial species of sunflower in the family Asteraceae. It is native to N. Central & NE. U.S.A.,^[1] including Ohio.^[2]

Hybrid formula is H. grosseserratus × H. mollis.^[3]

Notes and References

1. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:119067-2
2. 181215240 . Helianthus × brevifolius . 10 May 2023.
3. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:119067-2