Mycorrhizae are the symbiotic association between fungi and vascular plant roots. In this symbiotic relationship, the fungi benefit by acquiring a constant access to carbohydrates that is sometimes harder to obtain. The plants benefit from the fungi by having easier access to water and mineral nutrients due to the funguses ability to absorb water like a sponge. Plants that have mycorrhizal fungi grow better than those without. Another benefit to the plant is that the mycelium of mycorrhizal fungus can easily take in phosphate ions and change them into a form that plant roots can easily take in.