Jeff Foott / Maple (Acer sp) leaves and needles in autumn, Acadia National Park, Maine

Marie Read / Red Maple (Acer rubrum) leaves covered with early snow in autumn. Ithaca, New York, USA, October.

Jim Brandenburg / Paper Birch (Betula papyrifera) bark peeling, Minnesota

Jim Brandenburg / Breeze blown grass of lakeside sedge meadow, Moose Lake, Boundary Water Canoe Area Wilderness, Minnesota

Jim Brandenburg / Prickly Wild Rose (Rosa acicularis) petal, Discovery Lake, Superior National Forest, Minnesota

Jim Brandenburg / Maple (Acer sp) leaf in pond, Minnesota

Yva Momatiuk & John Eastcott / Trees reflected in water, Rondout Creek, New York

Yva Momatiuk & John Eastcott / Reeds reflected in water, Black Lake, Wisconsin

Yva Momatiuk & John Eastcott / Watershield (Brasenia schreberi) leaves in autumn, Black Lake, Wisconsin

Jeff Foott / Painted Hills, John Day Fossil Beds National Monument, Oregon

Jeff Foott / Painted Hills, John Day Fossil Beds National Monument, Oregon

Jeff Foott / Painted Hills, John Day Fossil Beds National Monument, Oregon