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The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

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Aphanta ligulata Huisman, G.H.Boo & S.M.Boo

Reference
Algae of Australia: Marine Benthic Algae of North-western Australia, 2. Red Algae 262-263, Pl. 8C, Fig. 75A-D (2018)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus forming a low turf, dark red, with terete prostrate axes bearing flattened ligulate simple erect axes to 3.5 cm tall, to 3 mm wide and 100–120 µm thick. Structure uniaxial, with a prominent dome or wedge-shaped apical cell; in section with a medulla of longitudinal filaments and cortex of 3 or 4 layers of progressively smaller pigmented cells. Inner layer cells 10–15 µm diam. Outer cortical cells in surface view mostly isodiametric, 5–12 µm diam., in section cuboidal or slightly broader than long. Rhizines in the medulla, often in bundles, c. 5 µm diam. Reproductive structures not observed.

Reproduction. Reproductive structures not observed.

Distribution. Known only from Paradise Beach, Coral Bay, Western Australia.

Habitat. Epilithic in the shallow subtidal.

[After J.M. Huisman, G.H. Boo & S.M. Boo in Algae of Australia: Marine Benthic Algae of North-western Australia, 2. Red Algae: 262–263 (2018)]

John Huisman & Olga Nazarova, 3 August 2021

Distribution

IMCRA Regions
Ningaloo.
Local Government Areas (LGAs)
Carnarvon.