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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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Caladenia petrensis A.P.Br. & G.Brockman
Rock Spider Orchid

Reference
Nuytsia 17:74-77, Fig.1a (2007)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect tuberous, herb (with a strong burning metal odour). Fl. yellow-cream-white, Aug. Red-brown clay loam, ironstone, granite. Stony hillsides with large boulders, upland flats, along drainage lines.

Amanda Spooner, Descriptive Catalogue, 3 October 2007

Distribution

IBRA Regions
Avon Wheatbelt, Geraldton Sandplains, Yalgoo.
IBRA Subregions
Lesueur Sandplain, Merredin, Tallering.
Local Government Areas (LGAs)
Greater Geraldton, Mingenew, Morawa, Perenjori, Yalgoo.