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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. Due to the rapidly approaching holiday season and associated agency and facility soft closures, along with the substantial work involved in data mapping, cleaning, and verification, the migration to the new collection management software is not expected to occur before 1 March 2026, when a further update will be provided. 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 Monday, 2 March 2026 +08:00.

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Lolium perenne × rigidum

Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Annual, grass-like or herb, 1.2 m high. Fl. green, Oct to Nov. Sandy clay. Dunes, roadsides.

Grazyna Paczkowska, Descriptive Catalogue, 24 November 1993

Distribution

IBRA Regions
Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain.
IBRA Subregions
Eastern Mallee, Geraldton Hills, Katanning, Merredin, Perth, Southern Jarrah Forest, Western Mallee.
IMCRA Regions
Leeuwin-Naturaliste.
Local Government Areas (LGAs)
Albany, Bridgetown-Greenbushes, Bruce Rock, Cockburn, Dalwallinu, Esperance, Greater Geraldton, Kulin, Lake Grace, Mount Marshall, Northampton, Perenjori, Perth, Rockingham, South Perth, West Arthur, Wickepin.