There are 5 file formats the grass contains:
-.blend (Cycle Renderer as well as Eevee Renderer) in the Eevee
-.FBX
-.OBJ
-.dae
-.STL
STL (Stereolithography, filesize: 2.78 MB), OBJ (OBJ, filesize: 4.1 MB), DAE (Collada, filesize: 3.88 MB), BLEND (Blender, filesize: 2.55 MB), FBX (Autodesk FBX, filesize: 1.7 MB)