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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 Conservation listings displayed on Florabase may also be out of date.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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Trifolium ligusticum Loisel.
Ligurian Clover

Reference
Fl.Gall. 731 (1807)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Erect or decumbent annual, herb, 0.05-0.5 m high. Fl. pink, Nov to Dec. Brown clay or loam, sandy clay, granite. Roadsides, wastelands, cultivated areas.

Amanda Spooner, Descriptive Catalogue, 22 August 2007

Distribution

IBRA Regions
Esperance Plains, Jarrah Forest, Swan Coastal Plain, Warren.
IBRA Subregions
Fitzgerald, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren.
Local Government Areas (LGAs)
Albany, Augusta Margaret River, Capel, Dardanup, Denmark, Harvey, Kalamunda, Murray, Nannup, Waroona.

Management Notes (for the Swan NRM Region)

General Biology. Growth form. Herb. Life form. Annual. Reproduction. Seed. Dispersal. Agricultural activities.

Notes. Has low germination rates in unsuitable environmental conditions.

Additional information. Origin. Macronesia, north Africa, temperate Asia, southern Europe. Similar exotic species. Trifolium species.

Suggested method of management and control. Spot spray with 1% glyphosate before flowering, otherwise spot spray Lontrel® 3 ml/10 L (150 ml/ha) up to 6 leaf stage. Read the manufacturers' labels and material safety data sheets before using herbicides. For further information consult the Australian Pesticides and Veterinary Medicines Authority to determine the status of permits for your situation or state.

Management Calendar

Calendar Type Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Comments
Germination           U U U          
Active Growth             Y Y Y Y Y    
Flowering                     Y Y  
Fruiting U                     U  
Optimum Treatment               Y Y Y      

Legend: Y = Yes, regularly, O = Occasionally, U = Uncertain, referred by others but not confirmed.

 

References

  • Brown, K. & Brooks, K. (2002) Bushland Weeds: A Practical Guide to their Management. Environmental Weeds Action Network, Greenwood.
  • Can, E., Celiktas, N., Hatipoglu, R. & Avci, S. (2009) Breaking seed dormancy of some annual Medicago and Trifolium species by different treatments. Turkish Journal of Field Crops, 14 (2): 72-78.
  • Hussey, B.M.J., Keighery, G.J., Dodd, J., Lloyd, S.G. & Cousens, R.D. (2007) Western Weeds. A guide to the weeds of Western Australia. 2nd Edition. The Plant Protection Society of Western Australia, Victoria Park.
  • Thomas, B.D. & Bowman, W.D. (1998) Influence of N2-fixing Trifolium on plant species composition in the alpine tundra. Oecologia, 115 (1/2): 26-31.
  • USDA, ARS, National Genetic Resources Program (2009) Germplasm Resources Information Network - (GRIN). National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomysimple.aspx - Accessed October 2009.