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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Elatine macrocalyx Albr.

Reference: Nuytsia 14(3):320-324 (2002)
Conservation Code: Priority Three
Naturalised Status: Native to Western Australia
Name Status: Current

Prostrate, glabrous, mat-forming annual, herb, sepals 2-3mm long, fruit indehiscent. Fl. white, May to Oct (probably opportunistic). Shallow sands over clay. Margins of playa lakes and clay pans.

Distribution

IBRA Regions: Avon Wheatbelt, Coolgardie, Gascoyne, Geraldton Sandplains, Gibson Desert, Great Sandy Desert, Great Victoria Desert, Murchison.
IBRA Subregions: Carnegie, Eastern Murchison, Geraldton Hills, Lateritic Plain, Mackay, Merredin, Shield, Southern Cross.
Local Government Areas (LGAs): East Pilbara, Kondinin, Laverton, Menzies, Ngaanyatjarraku, Northampton, Perenjori, Wiluna.