Understory
All of the following species are linked to the Plants For A Future website. PFAF has detailed descriptions of more than 7,000 plants from around the world. If you have some spare $$, be sure to donate to the PFAF organization.
Alder, Speckled - Alnus rugosa - NF
Ash, Mountain - Sorbus americana
Cherry, Bird or Pin - Prunus pensylvanica
Cherry, Black - Prunus serotina
Plum, American Wild - Prunus americana
Plum, Allegheny - Prunus alleghaniensis