Check out Fantasy Mushroom F11 Realistic - Scene Backdrop Design Low-poly 3D model on CGTrader for $9. High-quality mesh by gsommer: 1367 polys, 1439 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 181 KB), FBX (Autodesk FBX, filesize: 97 KB)