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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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Myriophyllum petraeum Orchard
Granite Myriophyllum

Reference
Brunonia 8:247-249 (1986)
Conservation Code
Priority Four
Naturalised Status
Native to Western Australia
Name Status
Current

Aquatic annual, herb, stems 0.15-0.3 m long. Fl. white, Aug to Dec. Strictly confined to ephemeral rock pools on granite outcrops.

Grazyna Paczkowska, Descriptive Catalogue, 27 February 1996
Image

Distribution

IBRA Regions
Avon Wheatbelt, Coolgardie, Esperance Plains, Mallee.
IBRA Subregions
Eastern Goldfield, Eastern Mallee, Merredin, Recherche, Southern Cross, Western Mallee.
Local Government Areas (LGAs)
Coolgardie, Dundas, Esperance, Kondinin, Lake Grace, Narembeen, Westonia, Yilgarn.