{
  "values": [
    "moretrees:darker_oak_log",
    "moretrees:darker_oak_wood",
    "moretrees:stripped_darker_oak_log",
    "moretrees:stripped_darker_oak_wood",
    "moretrees:aspen_log",
    "moretrees:aspen_wood",
    "moretrees:stripped_aspen_log",
    "moretrees:stripped_aspen_wood",
    "moretrees:jacaranda_log",
    "moretrees:jacaranda_wood",
    "moretrees:stripped_jacaranda_log",
    "moretrees:stripped_jacaranda_wood",
    "moretrees:fire_birch_log",
    "moretrees:fire_birch_wood",
    "moretrees:stripped_fire_birch_log",
    "moretrees:stripped_fire_birch_wood"
  ]
}

For leaves:
"moretrees:[tree type]_leaves"