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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. The Herbarium team, working with the Biodiversity Information Office, now have the Nomos-hosted WACensus in production, and we will begin to update the flora and fungi for WA within the system soon. The Specify project team continues to test and streamline the new collections management system, and we expect this to be online in October. Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Thursday, 1 October 2026 +08:00.

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Dactyloctenium radulans (R.Br.) P.Beauv.
Button Grass

Reference
Ess.Agrostogr. 72 (1812)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Tufted, decumbent annual, grass-like or herb, 0.15-0.3 m high. Fl. green, Jan to Jun or Oct. Sand, loam. Seasonal swamps, river banks.

Grazyna Paczkowska, Descriptive Catalogue, 4 November 1993

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Central Kimberley, Central Ranges, Coolgardie, Dampierland, Darwin Coastal, Gascoyne, Great Sandy Desert, Great Victoria Desert, Little Sandy Desert, Murchison, Northern Kimberley, Nullarbor, Ord Victoria Plain, Pilbara, Swan Coastal Plain, Tanami, Victoria Bonaparte, Yalgoo.
IBRA Subregions
Ashburton, Augustus, Berkeley, Cape Range, Carnegie, Central, Chichester, Eastern Goldfield, Eastern Murchison, Edel, Fitzroy Trough, Fortescue, Hamersley, Hart, Keep, Mackay, Mann-Musgrave Block, McLarty, Merredin, Mitchell, Nullarbor Plain, Pentecost, Perth, Pindanland, Purnululu, Roebourne, Rudall, Shield, Tanami Desert, Western Murchison, Wooramel.
IMCRA Regions
Kimberley, Pilbara (nearshore), Pilbara (offshore).
Local Government Areas (LGAs)
Ashburton, Broome, Carnarvon, Chittering, Coolgardie, Cue, Dalwallinu, Derby-West Kimberley, Dowerin, East Pilbara, Exmouth, Halls Creek, Kalgoorlie-Boulder, Karratha, Laverton, Leonora, Meekatharra, Mingenew, Morawa, Mount Marshall, Murchison, Ngaanyatjarraku, Port Hedland, Sandstone, Shark Bay, Three Springs, Upper Gascoyne, Wiluna, Wongan-Ballidu, Wyndham-East Kimberley.