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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. The project team is now conducting testing of the migrated data, and a further update will be provided by the end of the financial year (1 July). Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Wednesday, 1 July 2026 +08:00.

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Cheilanthes sieberi Kunze subsp. sieberi
Mulga Fern

Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Rhizomatous, perennial, herb or (fern), 0.05-0.5 m high, blade 3-pinnate at the base; upper pinnule surface glabrous, lower surface glabrous or nearly so. Fl. Aug. Sandy to clayey loams, gravel, laterite, granite. Rock crevices, slopes, outcrops, near waterfalls or streams, floodplains.

Amanda Spooner, Descriptive Catalogue, 20 October 1997
Image

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Central Ranges, Coolgardie, Dampierland, Esperance Plains, Gascoyne, Geraldton Sandplains, Gibson Desert, Great Sandy Desert, Great Victoria Desert, Jarrah Forest, Little Sandy Desert, Mallee, Murchison, Ord Victoria Plain, Pilbara, Swan Coastal Plain, Warren, Yalgoo.
IBRA Subregions
Ashburton, Augustus, Cape Range, Carnegie, Central, Chichester, Eastern Goldfield, Eastern Mallee, Eastern Murchison, Fitzgerald, Fortescue, Geraldton Hills, Hamersley, Katanning, Lateritic Plain, Lesueur Sandplain, Mackay, Mann-Musgrave Block, Mardabilla, McLarty, Merredin, Northern Jarrah Forest, Perth, Pindanland, Purnululu, Recherche, Rudall, Shield, Southern Cross, Southern Jarrah Forest, Tallering, Trainor, Warren, Western Mallee, Western Murchison, Wooramel.
Local Government Areas (LGAs)
Albany, Armadale, Ashburton, Beverley, Broome, Bruce Rock, Busselton, Chapman Valley, Coolgardie, Coorow, Cuballing, Cue, Cunderdin, Dalwallinu, Dundas, East Pilbara, Esperance, Greater Geraldton, Halls Creek, Jerramungup, Kalamunda, Kalgoorlie-Boulder, Kellerberrin, Kondinin, Kulin, Lake Grace, Laverton, Leonora, Manjimup, Meekatharra, Menzies, Merredin, Mingenew, Morawa, Mount Magnet, Mount Marshall, Mukinbudin, Mundaring, Murchison, Narembeen, Narrogin, Ngaanyatjarraku, Northam, Northampton, Perenjori, Pingelly, Port Hedland, Quairading, Ravensthorpe, Sandstone, Serpentine-Jarrahdale, Toodyay, Upper Gascoyne, Westonia, Wiluna, Wongan-Ballidu, Wyalkatchem, Yalgoo, Yilgarn, York.