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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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Avena sativa L.
Common Oat

Reference
Sp.Pl. [Linnaeus] 1:79 (1753)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Erect annual, grass-like or herb, to 1.5 m high. Fl. green, Oct. Black sand, calcareous loam, brown clay, red ironstone gravel. Hills, plains, disturbed road verges and railway reserves, paddocks.

Amanda Spooner, Descriptive Catalogue, 7 October 2007
Image

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Coolgardie, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions
Cape Range, Katanning, Lesueur Sandplain, Mardabilla, Merredin, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions
Abrolhos Islands.
Local Government Areas (LGAs)
Albany, Bunbury, Chittering, Dalwallinu, Dandaragan, Dundas, Exmouth, Greater Geraldton, Kent, Kwinana, Manjimup, Merredin, Mingenew, Perenjori, Plantagenet, Serpentine-Jarrahdale, South Perth, Swan, Toodyay, West Arthur, Wongan-Ballidu.