Found 25 Nature CC0 textures in library

Bark Willow

Bark Willow 02

Coast Land Rocks 01

Coast Sand 03

Cracked Red Ground

Dirt Floor

Foliage 001

Forest Floor

Forest Ground 04

Forest Leaves 03

Forest Leaves 04

Japanese Sycamore

Leaf Set 009

Leaf Set 010

Leaves Forest Ground

Mud Cracked Dry 03

Mud Cracked Dry Riverbed 002

Palm Tree Bark

Park Dirt

Raked Dirt

Red Laterite Soil Stones

Rocky Gravel

Rocky Trail

Roots

Worn Rock Natural 01