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;  bark=cube-shaped blocks, of different sizes on different areas of the bark
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 or American linden  Tilia americana