There are six major 'divisions' of fungi and those which produce sac-like structures are the division called Ascomycota. It is therefore most likely that the new fungus can be classified within this division. This group produces spores in distinctive sac-like structures. Members of the division include yeasts and penicillin.
Pain is more defined as a symptom
Ash can be harmful to an environment. It mostly depends on how much ash there is though. If a volcano erupted such as Mt. St. Helen's then yes that can harm an environment. Ash can cover the sky and block out the sun for days before disappearing and that will affect the life of plants
It could quasatic monumim that comes from the middle of the earth
