// Vanilla
net.minecraft.block.BlockLeaves

// Biomes O' Plenty
biomesoplenty.common.block.BlockBOPLeaves

// Aether II
com.gildedgames.aether.common.blocks.natural.BlockAetherLeaves

// Cuisine
snownee.cuisine.blocks.BlockModLeaves
snownee.cuisine.blocks.BlockShearedLeaves