In the image above, it is clear that the 3 textures (1,2,4) do not use a similar shape to the vanilla texture (third one along). This is an inconsistency with the rest of the pack. Make them more like the crimson roots, which are just taller versions of the vanilla texture.
Beatso
commented
4 years ago 
Description
In the image above, it is clear that the 3 textures (1,2,4) do not use a similar shape to the vanilla texture (third one along). This is an inconsistency with the rest of the pack. Make them more like the crimson roots, which are just taller versions of the vanilla texture.
Relates to
30 Nether roots do not use vanilla colour palette