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The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. The project team is now conducting testing of the migrated data, and a further update will be provided by the end of the financial year (1 July). Please reach out to us if you have any questions or concerns.

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Blidingia marginata (J.Agardh) Bliding

Reference
Opera Bot. 32 (1963)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus grass-green, usually growing on basal stems of samphires or in shaded intertidal situations, 0.2–2(–5) cm high and (50–)100–300(–1000) µm broad, simple or occasionally branched, arising from a multicellular pad-like holdfast of isodiametric to elongate cells. Cells arranged in lengthwise rows throughout the thallus, angular to rounded and mostly isodiametric, 6–8(–9) µm across. Chloroplast filling the cell or slightly stellate, with a single, central, prominent pyrenoid.

Reproduction. By quadriflagellate zoo(mito)spores.

Distribution. Europe, Eastern N. America, New Zealand. In southern Australia, known from the Recherche Archipelago, W. Aust., Streaky Bay, Ardrossan and Port Adelaide, S. Aust.

Habitat. In the mid to upper eulittoral zone in calm water samphire or Juncus communities.

[After Womersley, Mar. Benthic Fl. Southern Australia I: 150 (1984)]