Electronic Flora of South Australia Family Fact Sheet
Phylum Chlorophyta – Order Ulotrichales
Thallus filamentous, unbranched, basally attached or free-floating. Cells cylindrical, usually short (L/B less than 3); chloroplast single, parietal, band-shaped and usually not completely encircling the cell, with one (to a few) pyrenoids.
Reproduction: Reproduction by biflagellate or quadriflagellate zoospores, aplanospores, and by isogametes or anisogametes.
References: The Marine Benthic Flora of Southern Australia Part I
Womersley, H.B.S. (31 May, 1984)
The Marine Benthic Flora of Southern Australia
©Board of the Botanic Gardens and State Herbarium, Government of South Australia
KEY TO GENERA OF ULOTRICHACEAE
1. Attachment by a basal rhizoid, cells L/B about 1, filaments of uniform diameter throughout most of their length
1. Attachment by a gelatinous, conical disc, cells L/B (2–)
State Herbarium of South Australia