Item and Block names not showing up in Statistics

There are some block and item names missing in the statistics menu and that shouldn't be like that. I haven't seem to find item/block names for Saplings, Half Slabs, Cobblestone Fence,Flower Pot, Quartz Block, mob heads, spawn eggs, ink sacks and silverfish block. Also the Cauldron is missing his texture in the statistics. It would be great that these could be fixed as soon as possible.