Electronic Flora of South Australia Genus Fact Sheet

Genus PERCURSARIA Bory 1823: 393

Phylum Chlorophyta – Order Ulvales – Family Ulvaceae

Thallus unbranched, filamentous, uniseriate at first but soon becoming biseriate with two rows of rectangular cells fairly regularly arranged, at first attached by a basal disc or by rhizoids but soon becoming loose-lying. Cells uninucleate, chloroplast parietal, laminate, usually occupying only part of the cell, with 1–3 pyrenoids.

Life history diplohaplontic, isomorphic and anisogamous.

Type species: P. percursa (C. Agardh) Rosenvinge.

Taxonomic notes: A genus with one widely distributed species and a second from California (Abbott & Hollenberg 1976, p. 69).

References:

ABBOTT, I.A. & HOLLENBERG, G.J. (1976). Marine Algae of California. (Stanford Univ. Press: Stanford.)

BORY DE ST-VINCENT, J.B. (1823). Conferva. Dict. Class. d'Hist. Nat. 4, 389–394.

The Marine Benthic Flora of Southern Australia Part I complete list of references.

Author: H.B.S. Womersley

Publication: Womersley, H.B.S. (31 May, 1984)
The Marine Benthic Flora of Southern Australia
Part I
©Board of the Botanic Gardens and State Herbarium, Government of South Australia


Disclaimer Copyright Disclaimer Email Contact:
State Herbarium of South Australia
Government of South Australia Government of South Australia Department of Environment, Water and Natural Resources