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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.

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Allocasuarina decaisneana (F.Muell.) L.A.S.Johnson
Desert Oak

Reference
J.Adelaide Bot.Gard. 6:74 (1982)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Dioecious tree, 10-16(-20) m high, the cones are the largest of all the species. Red sand. In swales between sand dunes.

Grazyna Paczkowska, Descriptive Catalogue, 11 July 1995
Image

Distribution

IBRA Regions
Central Ranges, Gibson Desert, Great Sandy Desert, Great Victoria Desert, Little Sandy Desert, Pilbara.
IBRA Subregions
Central, Fortescue, Lateritic Plain, Mackay, Mann-Musgrave Block, McLarty, Trainor.
Local Government Areas (LGAs)
East Pilbara, Halls Creek, Ngaanyatjarraku, Wiluna.