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Ranunculus muricatus L.
Sharp Buttercup

Sp.Pl. 1:555 (1753)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status

Erect or prostrate annual, herb, 0.04-0.3 m high. Fl. yellow/green-yellow, Aug to Dec. Peaty sand. Winter-wet situations, swamps or in running water.

Grazyna Paczkowska, Descriptive Catalogue, 17 May 1996


IBRA Regions
Jarrah Forest, Swan Coastal Plain, Warren.
IBRA Subregions
Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren.
IMCRA Regions
Leeuwin-Naturaliste, WA South Coast.
Local Government Areas (LGAs)
Albany, Augusta Margaret River, Bayswater, Boddington, Bridgetown-Greenbushes, Busselton, Canning, Chittering, Dardanup, Gingin, Gosnells, Harvey, Manjimup, Mundaring, Murray, Nannup, Nedlands, Perth, Plantagenet, Serpentine-Jarrahdale, Swan, Wanneroo, Waroona.

Management Notes (for the Swan NRM Region)

Alternative Names. Rough-fruit Buttercup.

General Biology. Growth form. Herb. Life form. Annual. Reproduction. Seed. Toxicity. All fresh plant parts are poisonous.

Notes. Flowers are hermaphrodite (have both male and female parts) and are pollinated by flies. Has allelopathic properties, inhibiting growth of nearby plant species. Simazine resistant biotypes are recorded from Spain.

Additional information. Origin. Macaronesia, northern Africa, Asia, Europe.

Suggested method of management and control. Hand remove small/isolated infestions. 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         Y Y              
Active Growth           Y Y Y Y Y Y    
Flowering               Y Y Y Y Y  
Fruiting                 Y Y Y Y  
Manual Removal             Y Y Y Y      

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



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