with . . .
buds have inner-scale=hairy, between 2 outer-scales;          twigs=hairy
🗻︎ European mountain ash Sorbus aucuparia
buds have inner-scale=hairy, between 2 sticky outer-scales;  twigs=smooth
🗻︎ American mountain ash Sorbus americana

buds=smooth, red-brown, stalked, covered like a clam (valvate or duckbill);  pith=triangular
European black alder Alnus glutinosa

bud scales=overlapping;  leaf scars have single bundle scar;  fruit may persist
American persimmon Diospyros virginiana

bud scales=overlapping;  leaf scars have ≥3 bundle scars;  twigs+buds=chestnut-brown;  pith=⯂ 5-sided;  many raised white lenticels
🌰︎ American chestnut Castanea dentata

buds=red or red+green;  bud scales=overlapping, slightly hairy;  leaf scars have ≥3 bundle scars
white basswood Tilia heterophylla
buds=red or red+green;  bud scales=overlapping, not hairy;      leaf scars have ≥3 bundle scars
American basswood Tilia americana