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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. The Herbarium team, working with the Biodiversity Information Office, now have the Nomos-hosted WACensus in production, and we will begin to update the flora and fungi for WA within the system soon. The Specify project team continues to test and streamline the new collections management system, and we expect this to be online in October. Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Thursday, 1 October 2026 +08:00.

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Isolepis prolifera (Rottb.) R.Br.
Budding Club-rush

Reference
Prodr. 223 (1810)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Tufted perennial, grass-like or herb (sedge), 0.2-0.6 m high. Fl. green-brown, Oct to Dec or Jan or Apr. White or black sand. Drains, swamps, creeks.

Grazyna Paczkowska, Descriptive Catalogue, 22 November 1993

Distribution

IBRA Regions
Esperance Plains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions
Dandaragan Plateau, Fitzgerald, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions
Leeuwin-Naturaliste, WA South Coast.
Local Government Areas (LGAs)
Albany, Armadale, Augusta Margaret River, Belmont, Busselton, Canning, Chittering, Cockburn, Dardanup, Denmark, Gingin, Gnowangerup, Harvey, Jerramungup, Kalamunda, Manjimup, Nannup, Northam, Plantagenet, Swan, Williams, York.

Management Notes (for the Swan NRM Region)

General Biology. Growth form. Sedge. Life form. Perennial. Reproduction. Stem fragments, possibly seed. Dispersal. Water.

Notes. Can rapidly invade and smother native plant communities. Germination is stimulated by light, seed remains dormant in the dark. Seeds are very small and easily transported by water.

Additional information. Origin. South Africa.

Management Calendar

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

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

 

References

  • Bell, D.T. (1993) The effects of light quality on germination of eight species from sandy habitats in Western Australia. Australian Journal of Botany, 41 (3): 321-326.
  • Brown, K. & Brooks, K. (2002) Bushland Weeds: A Practical Guide to their Management. Environmental Weeds Action Network, Greenwood.
  • 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.
  • Waters and Rivers Commission (2002) Water Notes: Long term management of riparian vegetation, WN 29. Perth.