@openstreetmap/id-tagging-schema/data/presets/natural/grassland.json

The OpenStreetMap tagging model used by the iD editor

{
    "icon": "temaki-grass",
    "geometry": [
        "area"
    ],
    "tags": {
        "natural": "grassland"
    },
    "terms": [
        "field",
        "prairie",
        "savanna"
    ],
    "name": "Grassland"
}