Communicate with Dead Plant's Spirits

This spell sends requests to plant's spirits within a specific area. 

You send requests to Dead Plant's Spirits, they can manifest themselfs for a short period of time, but they doesn't need any water or soil, are immune to fire, cold and heat. These spirits can grow even on liquids, but they want to kill. You can ask for help Dead Spirit of any plant on the planet, but it's far easier to communicate with the Spirits of Plants that died in the place you are in.