Habitat and Substrate: Open areas to partial shade, on rocks.

Rhode Island Status: Common.

Pollution Tolerance: Intermediate.

Collection Site(s): Diamond Hill State Park, Cumberland (#4843); Schoolhouse Pond/Deep Pond, Charlestown (#4887); Beaver River, Richmond (#4904); Casimir Pulaski Memorial Park, Glocester (#5081); Lime Rock, Lincoln (#5114); Lincoln Woods, Lincoln (#5451); Black Swamp Area, North Kingstown (#5508); George Parker Woodlands, Coventry (#5593).

Notes: Previously reported in Rhode Island by Bennett (1888) as identified by R.C. Harris.