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Service Notice

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 Conservation listings displayed on Florabase may also be out of date.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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Gelidiella damseliana Huisman, G.H.Boo & S.M.Boo

Reference
Algae of Australia: Marine Benthic Algae of North-western Australia, 2. Red Algae 255, Fig. 73E-J (2018)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus dark red, cartilaginous, with terete prostrate axes 125–175 μm diam., attached to the substratum by extensive clusters of rhizoids arising from cortical cells. Erect axes mostly unbranched but with occasional lateral branches, terete, 125–150 μm diam., tapering to c. 50 μm diam. below a fine point. Medulla of longitudinal filaments 10–15 μm diam., grading to a smaller-celled cortex. Outer cortical cells in surface view irregularly shaped, mostly equidimensional.

Reproduction. Reproductive structures not observed.

Distribution. Known from Paradise Beach and nearby Five Fingers Reef, Coral Bay, Western Australia.

Habitat. Epilithic on dead coral 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: 255 (2018)]

John Huisman & Olga Nazarova, 3 August 2021

Distribution

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