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 Conservation listings displayed on Florabase may also be out of date.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

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.

Palisada parvipapillata (C.K.Tseng) K.W.Nam

Reference
Algae 22:54 (2007)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus erect to decumbent, dark red to purple, with clusters of cartilaginous compressed axes to 3 cm tall, mostly irregularly branched in one plane. Axes to 2–3 mm wide, smooth to warty due to short lateral branches. Medullary cells 50–90 µm diam., grading to pigmented cortical cells. Outer cortical layer forming a palisade, to 50 µm thick, with epidermal cells radially elongate and with sharply protruding mostly apiculate outer walls. Secondary pit connections visible when viewed in longitudinal sections. Lenticular thickenings not seen.

Reproduction. Not observed.

Distribution. Known from the Indian Ocean and the central and western Pacific Ocean. In north-western Australia, recorded only from Cape Talbot, also in Queensland.

[After Y. Metti, J.M. Huisman & A.J.K. Millar in Algae of Australia: Marine Benthic Algae of North-western Australia, 2. Red Algae: 553–554 (2018)]

John Huisman & Olga Nazarova, 3 August 2021

Distribution

IBRA Regions
Northern Kimberley.
IBRA Subregions
Mitchell.
IMCRA Regions
Kimberley.
Local Government Areas (LGAs)
Wyndham-East Kimberley.