House moss is a common type of moss that can be found growing on damp, shaded surfaces inside buildings. This type of moss has many different synonyms that can be used interchangeably, including wall moss, indoor moss, and building moss. Other synonyms for this type of moss include indoor wall moss, green wall moss, and interior building moss. Regardless of the name used to describe it, house moss is a natural and beautiful addition to any indoor environment. It can add a touch of color and life to your living space while also helping to purify the air and improve indoor air quality.