Program: 171707
Project: 171707
Buggy source:
@Override public void generate(Random random,int chunkX,int chunkZ,World world,net.minecraft.world.gen.IChunkGenerator chunkGenerator,IChunkProvider chunkProvider){
  final int xChunk=chunkX * 16 + 8, zChunk=chunkZ * 16 + 8;
  int xCh=chunkX * 16 + random.nextInt(16);
  int yCh=random.nextInt(128);
  int zCh=chunkZ * 16 + random.nextInt(16);
  final Biome biome=world.getBiomeForCoordsBody(new BlockPos(xChunk + 16,0,zChunk + 16));
  final BlockPos blockPos=new BlockPos(xCh,yCh + 64,zCh);
  if (BiomeDictionary.hasType(biome,BiomeDictionary.Type.DEAD)) {
    return;
  }
  if (config.enablearidgardenGeneration && (BiomeDictionary.hasType(biome,BiomeDictionary.Type.SANDY)) || (BiomeDictionary.hasType(biome,BiomeDictionary.Type.MESA))) {
    generateGarden(BlockRegistry.getGarden(BlockRegistry.aridGarden),world,blockPos);
  }
  if (config.enablefrostgardenGeneration && (BiomeDictionary.hasType(biome,BiomeDictionary.Type.SNOWY)) || (BiomeDictionary.hasType(biome,BiomeDictionary.Type.MOUNTAIN))) {
    generateGarden(BlockRegistry.getGarden(BlockRegistry.frostGarden),world,blockPos);
  }
  if (config.enableshadedgardenGeneration && (BiomeDictionary.hasType(biome,BiomeDictionary.Type.FOREST)) || (BiomeDictionary.hasType(biome,BiomeDictionary.Type.SPOOKY))) {
    generateGarden(BlockRegistry.getGarden(BlockRegistry.shadedGarden),world,blockPos);
  }
  if (config.enablesoggygardenGeneration && (BiomeDictionary.hasType(biome,BiomeDictionary.Type.SWAMP)) || (BiomeDictionary.hasType(biome,BiomeDictionary.Type.RIVER))) {
    generateGarden(BlockRegistry.getGarden(BlockRegistry.soggyGarden),world,blockPos);
  }
  if (config.enabletropicalgardenGeneration && (BiomeDictionary.hasType(biome,BiomeDictionary.Type.JUNGLE)) || (BiomeDictionary.hasType(biome,BiomeDictionary.Type.OCEAN))) {
    generateGarden(BlockRegistry.getGarden(BlockRegistry.tropicalGarden),world,blockPos);
  }
  if (config.enablewindygardenGeneration && (BiomeDictionary.hasType(biome,BiomeDictionary.Type.PLAINS)) || (BiomeDictionary.hasType(biome,BiomeDictionary.Type.SAVANNA))) {
    generateGarden(BlockRegistry.getGarden(BlockRegistry.windyGarden),world,blockPos);
  }
}

Fixed version (ground truth):
@Override public void generate(Random random,int chunkX,int chunkZ,World world,net.minecraft.world.gen.IChunkGenerator chunkGenerator,IChunkProvider chunkProvider){
  final int xChunk=chunkX * 16 + 8, zChunk=chunkZ * 16 + 8;
  int xCh=chunkX * 16 + random.nextInt(16);
  int yCh=random.nextInt(128);
  int zCh=chunkZ * 16 + random.nextInt(16);
  final Biome biome=world.getBiomeForCoordsBody(new BlockPos(xChunk + 16,0,zChunk + 16));
  final BlockPos blockPos=new BlockPos(xCh,yCh + 64,zCh);
  if (BiomeDictionary.hasType(biome,BiomeDictionary.Type.DEAD)) {
    return;
  }
  if (config.enablearidgardenGeneration && (BiomeDictionary.hasType(biome,BiomeDictionary.Type.SANDY) || BiomeDictionary.hasType(biome,BiomeDictionary.Type.MESA))) {
    generateGarden(BlockRegistry.getGarden(BlockRegistry.aridGarden),world,blockPos);
  }
  if (config.enablefrostgardenGeneration && (BiomeDictionary.hasType(biome,BiomeDictionary.Type.SNOWY) || BiomeDictionary.hasType(biome,BiomeDictionary.Type.MOUNTAIN))) {
    generateGarden(BlockRegistry.getGarden(BlockRegistry.frostGarden),world,blockPos);
  }
  if (config.enableshadedgardenGeneration && (BiomeDictionary.hasType(biome,BiomeDictionary.Type.FOREST) || BiomeDictionary.hasType(biome,BiomeDictionary.Type.SPOOKY))) {
    generateGarden(BlockRegistry.getGarden(BlockRegistry.shadedGarden),world,blockPos);
  }
  if (config.enablesoggygardenGeneration && (BiomeDictionary.hasType(biome,BiomeDictionary.Type.SWAMP) || BiomeDictionary.hasType(biome,BiomeDictionary.Type.RIVER))) {
    generateGarden(BlockRegistry.getGarden(BlockRegistry.soggyGarden),world,blockPos);
  }
  if (config.enabletropicalgardenGeneration && (BiomeDictionary.hasType(biome,BiomeDictionary.Type.JUNGLE) || BiomeDictionary.hasType(biome,BiomeDictionary.Type.OCEAN))) {
    generateGarden(BlockRegistry.getGarden(BlockRegistry.tropicalGarden),world,blockPos);
  }
  if (config.enablewindygardenGeneration && (BiomeDictionary.hasType(biome,BiomeDictionary.Type.PLAINS)) || (BiomeDictionary.hasType(biome,BiomeDictionary.Type.SAVANNA))) {
    generateGarden(BlockRegistry.getGarden(BlockRegistry.windyGarden),world,blockPos);
  }
}