List of added things:

Plants:

Overworld:

-Umbrella Clover

Spawn: jungle, jungle edge

-Grass Flowers

Spawn: birch forest, birch forest hills, forest, forest hills

-Bamboo Blossom

Spawn: bamboo jungle, bamboo jungle hills

Shears needed.

-Tree Blossom

Spawn: savannah, savanna rock, jungle, jungle hills

Shears needed.

-Mountain Drop

Spawn: smaller extreme hills, stone beach

-Desert Skirt

Spawn: desert lakes

-Clover Cactus

Spawn: desert, desert hills, desert lakes, badlands, badlands plateau

-Ornate Bell

Spawn: jungle hills

Nether:

-Soulshroom

Spawn: soul sand valley

-Crimson Blub

Spawn: crimson forest

-Baloon Plant

Spawn: basalt desltas

-Devil Lichen

Spawn: crimson forest

End:

-End Plams

Spawn: end midlands, end highlands

Shears needed.

Blocks:

-Baloonplant Block:

generates in Basaltdeltas

-Ornate Bell Block:

craftable with a torch and four Ornate Bells around it.

Food:

-Cooked Endplamflower:

Obtain a Endplamflower by harvesting Endplams with a hoe. Then put the Endplamflower in a furnace.

-Blubstew:

Put a Crimson Blub in a craftingtable to obtain a Leafless Crimson Blub. Then combine Leafless Crimson Blub with Devil Lichen and a bowl.

Mobs:

-Overworld Plantling

-Nether Plantlig

-End Plantling

just very tiny ambient mobs.

Graustreif's Plants