| Locality | Gibb River Road, 227.3 km west of the intersection with the Great Northern Highway, 8 km east of the intersection with the Drysdale River/ Kalumburu road. |
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| Collection date | 01/06/1999 |
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| Collectors (aggregated) | Murphy, D.J., Grimes, J.W., Hohnen, C. |
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| Collecting no. | DM313 |
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| Habitat | Eucalyptus woodland with grassy understory on a hillside of sandy soil with ironstone rocks. |
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| State | Western Australia |
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| Determined date | 12/04/2000 |
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| Type | |
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| Family | Mimosaceae |
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| Genus | Acacia |
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| Species | orthotricha |
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