{
    "config": {
      "tries": 48,
      "xz_spread": 6,
      "y_spread": 1,
      "feature": {
        "feature": {
          "config": {
            "to_place": {
              "entries": [
                {
                  "data": {
                    "Name": "minecraft:grass"
                  },
                  "weight": 3
                },
                {
                  "data": {
                    "Name": "minecraft:fern"
                  },
                  "weight": 1
                }
              ],
              "type": "minecraft:weighted_state_provider"
            }
          },
          "type": "minecraft:simple_block"
        },
        "placement": [
          {
            "predicate": {
              "blocks": [
                "minecraft:air"
              ],
              "type": "minecraft:matching_blocks"
            },
            "type": "minecraft:block_predicate_filter"
          }
        ]
      }
    },
    "type": "minecraft:flower"
  }