{
  "values": [
    "silverwoodtrees:walnut_log",
    "silverwoodtrees:walnut_wood",
    "silverwoodtrees:stripped_walnut_log",
    "silverwoodtrees:stripped_walnut_wood",
    "silverwoodtrees:silver_maple_log",
    "silverwoodtrees:silver_maple_wood",
    "silverwoodtrees:stripped_silver_maple_log",
    "silverwoodtrees:stripped_silver_maple_wood",
    "silverwoodtrees:staghorn_sumac_log",
    "silverwoodtrees:staghorn_sumac_wood",
    "silverwoodtrees:stripped_staghorn_sumac_log",
    "silverwoodtrees:stripped_staghorn_sumac_wood",
    "silverwoodtrees:silverberry_log",
    "silverwoodtrees:silverberry_wood",
    "silverwoodtrees:stripped_silverberry_log",
    "silverwoodtrees:stripped_silverberry_wood"
  ]
}

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