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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.

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Eucalyptus kochii Maiden & Blakely
Oil Mallee

Reference
Crit.Revis.Eucalyptus 8:41 (1929)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

(Mallee) or tree (occasionally), 3-12 m high, bark rough, grey to branchlets, smooth pink-cream above. Fl. white, Oct to Dec or Jan to Feb. Yellow-red sand, sandy clay & loam, gravel, laterite, granite, limestone. Flats & depressions, slight rises, roadsides.

Amanda Spooner, Descriptive Catalogue, 23 October 2002

Distribution

IBRA Regions
Avon Wheatbelt, Coolgardie, Geraldton Sandplains, Murchison, Yalgoo.
IBRA Subregions
Eastern Murchison, Geraldton Hills, Katanning, Lesueur Sandplain, Merredin, Southern Cross, Tallering, Western Murchison.
Local Government Areas (LGAs)
Bruce Rock, Carnamah, Chapman Valley, Coolgardie, Coorow, Cue, Dalwallinu, Dowerin, Greater Geraldton, Kellerberrin, Koorda, Menzies, Merredin, Mingenew, Moora, Morawa, Mount Magnet, Mount Marshall, Mukinbudin, Murchison, Narembeen, Narrogin, Northampton, Nungarin, Perenjori, Sandstone, Tammin, Three Springs, Trayning, Westonia, Wickepin, Wiluna, Wongan-Ballidu, Woodanilling, Wyalkatchem, Yalgoo, Yilgarn.