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The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

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Lepidium didymum L.

Reference
Mant.Pl. 1:92 (1767)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Prostrate annual, herb, to 0.2 m high. Fl. cream-white-green, Feb or Aug to Oct. Sandy clay, sandy loam, peat, granite, limestone. Aquatic sites, slopes, rocky cliffs, road verges.

Amanda Spooner, Descriptive Catalogue, 22 September 2002

Distribution

IBRA Regions
Avon Wheatbelt, Central Kimberley, Coolgardie, Gascoyne, Geraldton Sandplains, Jarrah Forest, Mallee, Murchison, Pilbara, Swan Coastal Plain, Victoria Bonaparte, Warren.
IBRA Subregions
Augustus, Eastern Murchison, Fortescue, Geraldton Hills, Hart, Keep, Mardabilla, Merredin, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren, Western Mallee, Western Murchison.
IMCRA Regions
Leeuwin-Naturaliste, WA South Coast.
Local Government Areas (LGAs)
Albany, Ashburton, Augusta Margaret River, Bridgetown-Greenbushes, Bunbury, Busselton, Cockburn, Denmark, Esperance, Halls Creek, Kulin, Leonora, Meekatharra, Menzies, Mingenew, Mundaring, Northampton, Perth, Swan, Upper Gascoyne, Wyndham-East Kimberley.