with …

bark=striped ⫼ vertically white and green;  buds=thick and 8–10 mm (⅓–⅖ in) long;  conspicuously-stalked
⫼ 🍁︎ striped maple  Acer pensylvanicum

bark=not white-striped;     buds=​slender and 3–5 mm (⅛–⅕ in) long;  short-stalked
🏔🍁︎ mountain maple  Acer spicatum