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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Senna sp. Billabong (J.D. Alonzo 721)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Erect, compact shrub, 0.8-2(-3) m high. Fl. yellow, Jun to Oct. Red loamy or clayey soils, red sand, stony soils. Sandplains, rocky rises, sand dunes, flats.

Distribution

IBRA Regions: Carnarvon, Central Ranges, Gascoyne, Geraldton Sandplains, Murchison, Pilbara, Yalgoo.
IBRA Subregions: Augustus, Carnegie, Eastern Murchison, Geraldton Hills, Hamersley, Mann-Musgrave Block, Tallering, Western Murchison, Wooramel.
Local Government Areas (LGAs): Carnarvon, Cue, East Pilbara, Leonora, Meekatharra, Menzies, Murchison, Ngaanyatjarraku, Northampton, Sandstone, Shark Bay, Wiluna, Yalgoo.