A Shrub is similar looking to a fern, this particular variety is a kind of light green, hence it can be crafted into a lime dye. It will also make a nice addition to anyones garden. It can be found growing in almost any biome where there's dirt and grass.
By crafting the seeds, as can bee seen below, you can plant them in Dirt, Grass and Podsol and grow your own flower garden.
See other flowers in this mod to create a very colourful garden area for yourself.
Here's how you use Shrubs as a recipe ingredient :
6 x Shrubs = 6 x Lime Vines
2 x Shrubs = 2 x Lime Flower Seeds
1 x Shrub = 1 x Lime Dye