Helianthus strumosus

Helianthus strumosus

Helianthus strumosus L.
Engl.: paleleaf woodland sunflower, woodland sunflower.
Bot. syn.: Helianthus montanus E. E. Wats., Helianthus saxicola Small.

I have no articles for this botanical term, but there might be some for the next level down (if found).