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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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Hydrocotyle medicaginoides Turcz.
Trefoil Pennywort

Reference
Bull.Soc.Imp.Naturalistes Moscou 22 (2):27-28 (1849)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Slender, ascending or procumbent annual, herb, 0.01-0.15 m high. Fl. green-white, Sep to Nov. Saline soils. Edges of salt lakes, salt flats, coastal cliffs.

Amanda Spooner, Descriptive Catalogue, 10 February 1997

Distribution

IBRA Regions
Coolgardie, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain.
IBRA Subregions
Eastern Mallee, Fitzgerald, Lesueur Sandplain, Mardabilla, Perth, Recherche, Southern Jarrah Forest, Western Mallee.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Carnamah, Coorow, Cranbrook, Dandaragan, Esperance, Gnowangerup, Irwin, Jerramungup, Kent, Lake Grace, Plantagenet, Ravensthorpe, Waroona.