Every item in your ModKit must work with the same version of Minecraft.
Your ModKit contains items and you selected a Mod.
The Mod add 15 new Flower (with DyeRecipe). New Biome "Phantasia" and 25 BigFlower, FlowerHedge, FlowerHedgeCarpet, PetalCarpet, FlowerVine and many more..
Biome Phantasia: Seed: 8014024815804958253 spawn in this Biome