Habitat and Substrate: Exposed to shaded areas, on rocks.

Rhode Island Status: Common.

Pollution Tolerance: Intermediate.

Collection Site(s): Diamond Hill State Park, Cumberland (#4844); Crandall Swamp, Westerly (#4859); Tuckerman Park, South Kingstown (#4974); Factory Pond, South Kingstown (#4987); Big River Wildlife Management Area, West Greenwich (#5160); Snake Den State Park, Johnston (#5197); Pettaquamscutt River Area, North Kingstown (#5291); Tiverton Four Corners Cemetery, Tiverton (#5403); J.L. Curran Park, Cranston (#5414); Frenchtown Park, East Greenwich (#5435); Audubon Fort Nature Preserve, North Smithfield (#5470); Iron Mine Hill Road, North Smithfield (#5487); Powder Mill Ledges Wildlife Refuge, Smithfield (#5542); Oakland Farms, Portsmouth (#5605); Conanicut Island Cemetery, Jamestown (#5618).

Notes: Not previously reported in Rhode Island.