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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not reflected in Florabase, herbarium collections, or in the census. We are hoping to be able to reinstate services around December 15; we will provide an update at that time.

The notice period started at 9:00 am on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Monday, 15 December 2025 +08:00.

Halimeda xishaensis C.K.Tseng & M.L.Dong

Reference
J.Oceanogr.Works China 17:4-5, 9, Pl. I: Fig. 2; Fig. 5(1-3) (1980)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus erect, to 11 cm tall, green, drying a pale mottled green, growing from a small holdfast, dichotomously to trichotomously branched. Basal segment subcylindrical, others discoid or reniform. Segments 7–15 mm long, 10–25 mm wide, typically with undulate margins, the distal edge thickened and often furrowed. Medullary filaments 60–110 µm diam. Utricles in 2 or 3 layers; peripheral utricles 60–110 µm diam., polygonal in surface view, firmly attached, often fusing laterally. Nodal medullary filaments fusing completely in 2s or 3s.

Distribution. Widespread in the Indo-Pacific Ocean.

Habitat. Epilithic in the intertidal.

[After Huisman & Verbruggen, Algae of Australia: Mar. Benthic Algae of North-western Australia, 1. Green and Brown Algae 137 (2015)]

John Huisman and Cheryl Parker, 3 August 2021

Distribution

IBRA Regions
Dampierland.
IBRA Subregions
Pindanland.
IMCRA Regions
Bonaparte Gulf, Kimberley.
Local Government Areas (LGAs)
Broome, Derby-West Kimberley, Wyndham-East Kimberley.