Plants 2.9-7.1 cm long, 0.34-0.67 mm in diameter, stalked and very branched (0-18). Spermatangia in circular patches on nodes. Internal structure consisting of a central axis without cortical filaments and T- or L-shaped ray cells applied to the outer cortex.
Type Locality: Concheo River, New Jersey, U.S.A., North America.
Distribution: type locality, Page and Polk Arkansas, U.S.A., North America.