The characteristic ground-flora species of the north-facing old-growth ecosystem include Actaea pachypoda Ell., Circaea lutetiana L., Osmorhiza claytoni (Michx.) C.B.
On mesic slopes, cover of common mesic species, such as Actaea pachypoda, Adiantum pedatum and Deparia acrostichoides significantly decreased in larger openings, whereas the cover of drymesic species, such as Solidago caesia and Viola palmata significantly increased.