If there are mushrooms growing in your vermiliad plant, it is a sign that the soil is moist enough to allow them to grow. Vermiliad do not like to sit in water, so if mushrooms are growing in the soil, you are keeping it too moist.
Commensalism is a situation in which two organisms are associated in a relationship in which one benefits from the relationship And the other is not affected much Example: The frogs get shelter and water from the vermiliad but the vermiliad is unaffected