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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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Gelidiella fanii Showe M.Lin

Reference
Phycologia 47:169-172, Figs 1-12 (2008)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus forming tufts and mats, light to dark brown with yellow to orange iridescence in shallow waters, composed of erect often arcuate axes, 5–8 cm high, arising from prostrate, stolon-like creeping axes 500–650 µm diam., these attached by small clumps of independent rhizoids formed from outermost cortical cells. Main axes cylindrical to compressed, 400–600 µm diam., bearing slender unilateral branchlets 200–400 µm diam., with numerous surface hairs distally.

Reproduction. Tetrasporangial sori in the distal ends of lateral branchlets; tetrasporangia borne on inner cortical cells, mostly tetrahedrally divided, 37–48 µm long and 22–28 µm wide. Other reproduction unknown.

Distribution. Known from Taiwan, Japan, Thailand, the Philippines, Indonesia, Hawai’i and north-western Australia.

Habitat. Epilithic in the intertidal.

[After J.M. Huisman, G.H. Boo & S.M. Boo in Algae of Australia: Marine Benthic Algae of North-western Australia, 2. Red Algae: 257 (2018)]