Skip to main content

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 Conservation listings displayed on Florabase may also be out of date.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.

The notice period started at 12:00 pm on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Friday, 1 January 2027 +08:00.

Valoniopsis pachynema (G.Martens) Børgesen

Reference
Biol.Meddel.Kongel.Danske Vidensk.Selsk. 11(6):10, Fig. 1-2 (1934)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus medium to dark green, forming densely packed clumps on intertidal rocks, to 8 cm (probably more) in extent. Axes generally erect, usually slightly curved distally and verticillately, umbellately or unilaterally branched. Segments cylindrical, mostly to 12 mm long, 800–1000 μm diam. Lower segments divided by regular transverse walls.

Distribution. Widespread in tropical seas.

Habitat. Epilithic in the intertidal and shallow subtidal.

[After Huisman & Leliaert, Algae of Australia: Mar. Benthic Algae of North-western Australia, 1. Green and Brown Algae 60 (2015)]

John Huisman and Cheryl Parker, 3 August 2021

Distribution

IBRA Regions
Carnarvon, Dampierland, Northern Kimberley, Pilbara.
IBRA Subregions
Cape Range, Mitchell, Pindanland, Roebourne.
IMCRA Regions
Kimberley, Ningaloo, Pilbara (nearshore), Pilbara (offshore).
Local Government Areas (LGAs)
Ashburton, Broome, Carnarvon, Karratha, Port Hedland, Wyndham-East Kimberley.