Open wetland on mountain top centered on old beaver dam with spruce swamp woodland around the edges and upland spruce forest surrounding the entire wetland.;Old beaver pond with dead standing snags and stumps and fallen logs. Dam is now breached and pond bottom is vegetated by successional types with Sparganium in wetter center and fingers, and this community which is dominated by Leersia oryzoides covering most of the pond in intermediate positions. Relatively shallow soils on rock.
Representativeness
Plot placed to represent near pure dominance by Leersia oryzoides to contrast with plot MONF.153 of Sparganium dominance. These two types interfinger and have been sampled together in same plot before.