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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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Ruppia polycarpa R.Mason

Reference
New Zealand J.Bot. 5:524 (1967)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Submerged annual or perennial, herb. Fl. green, Jun to Nov or Jan. Fresh, saline or brackish lakes and rivers.

Grazyna Paczkowska, Descriptive Catalogue, 9 August 1994

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Coolgardie, Esperance Plains, Gascoyne, Geraldton Sandplains, Jarrah Forest, Mallee, Murchison, Pilbara, Swan Coastal Plain, Yalgoo.
IBRA Subregions
Ashburton, Augustus, Carnegie, Chichester, Eastern Goldfield, Eastern Murchison, Edel, Fitzgerald, Fortescue, Geraldton Hills, Hamersley, Katanning, Lesueur Sandplain, Merredin, Northern Jarrah Forest, Perth, Recherche, Roebourne, Southern Jarrah Forest, Western Mallee, Wooramel.
IMCRA Regions
Leeuwin-Naturaliste.
Local Government Areas (LGAs)
Ashburton, Beverley, Brookton, Bruce Rock, Carnamah, Carnarvon, Cockburn, Coorow, Corrigin, Cunderdin, Dandaragan, East Pilbara, Esperance, Gnowangerup, Jerramungup, Kalgoorlie-Boulder, Karratha, Kellerberrin, Kondinin, Kulin, Lake Grace, Leonora, Manjimup, Meekatharra, Melville, Murray, Northampton, Plantagenet, Rockingham, Shark Bay, Swan, Tammin, Toodyay, Upper Gascoyne, West Arthur, Wickepin, Wiluna, Wongan-Ballidu.