A small red alga (up to 20 cm across) with an irregularly shaped, broad frond that is membranous but tough. The plant attaches to rock via a minute discoid hold-fast, is greenish when young becoming purplish-red and has a polythene-like texture.
Similar species: Bangiales
Uploaded Jun 20, 2019. Captured Jun 16, 2019 17:10 in 6 Parker Head Rd, Phippsburg, ME 04562, USA.