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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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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.