Erythrotrichia carnea (Dillwyn) J. Agardh 1883

    Thallus filamentous, 0.5 to 7 cm tall, filaments terete, attached by a much lobed basal cell, the lobes extended as short ramified rhizoidal structure; thallus uniseriate below, biseriate or multiseriate above, 15-60µm diameter. Cell thick wall, 15-40 µm long in the basal parts, 16-35µm long in the parts. Cells varying breadth, as broad as long to 1/3 -1/4. Cells with single stellate chloroplast with a central pyrenoid. Only asexual reproduction known; monosporangia usually cut off by an oblique wall near the distal end of the cell. Monospores globose and 13-18 µm diameter.