Ulva flexuosa Wulfen
Crypt.Aquat. 1 (1803)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current


Beard’s Provinces: Eremaean Province, South-West Province.

IBRA Regions: Carnarvon, Swan Coastal Plain.

IBRA Subregions: Perth, Wooramel.

IMCRA Regions: Kimberley, Pilbara (offshore).

Local Government Areas (LGAs): Ashburton, Joondalup, Karratha, Perth, Shark Bay, Wyndham-East Kimberley.

Scientific Description
John Huisman & Cheryl Parker, Thursday 8 September 2016

Habit and structure. Thallus medium green, erect but flaccid, proliferous from near the base, 3–6 cm high and 2–8 mm broad. Cells in longitudinal rows throughout most of the thallus and in many parts also in transverse rows, angular and square to rectangular, (10–)14–18 µm long and 8–12 µm broad; chloroplast parietal, usually with 2–3 pyrenoids per cell.

Reproduction. Generations isomorphic; gametophytes dioecious and anisogamous, with apomictic development of gametes.

Distribution. Cosmopolitan?

[After Womersley, Mar. Benthic Fl. Southern Australia I: 157 (1984), as Enteromorpha flexuosa]