VU

Cobberas Grevillea

Grevillea brevifolia

Stable

Overview

This low-growing shrub in the family Proteaceae is characterised by short, narrow leaves and the toothed, often divided foliage typical of many grevillea species, complemented by clusters of small flowers that provide nectar resources for insects and birds. As a woody perennial, it contributes structurally to the understorey layer of the plant communities it inhabits, offering shelter and food resources within its ecological niche.

Grevillea brevifolia is restricted to Australia, where it occurs in a limited range associated with montane forest environments. Its habitat spans forested areas, the margins of permanent rivers and streams, and rocky terrain, often in association with exposed granite or similar substrates at higher elevations. This combination of forest and rocky riparian habitat reflects a relatively specialised set of environmental requirements.

The species is listed as Vulnerable, with its population currently considered stable. Two ongoing threats affect its persistence: the construction and maintenance of roads and railroads, which can fragment habitat, alter drainage patterns, and introduce disturbance along rocky forest margins where the species grows; and fire, together with the effects of altered fire suppression regimes, which can change vegetation structure and reduce the availability of suitable microhabitat over time.

Conservation attention for this species is linked to its occurrence within protected forest and rocky habitat areas in Australia, where broader land and fire management practices contribute indirectly to its persistence. Ongoing monitoring of population status supports its classification and trend assessment.

Given its stable population trend, the species' outlook is currently steady, though its restricted range and specific habitat associations mean it remains sensitive to changes in infrastructure development and fire management practices within its limited distribution.

Cobberas Grevillea is mainly at risk from road and railroad construction and maintenance, which can disturb or destroy the plants and their habitat, as well as from bushfires and the way fires are managed or suppressed in its area. Both of these threats are currently ongoing rather than occasional, meaning the plant faces continuous pressure. Based on the available information, these threats appear to be stable rather than clearly increasing or decreasing.

Threat summary

Habitat

Forest· majorWetlands (inland) - Permanent rivers/streams· majorRocky areas· major

Conservation measures underway

Site/area protection

Frequently asked questions

Why is Cobberas Grevillea classified as Vulnerable?
Cobberas Grevillea is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Cobberas Grevillea is mainly at risk from road and railroad construction and maintenance, which can disturb or destroy the plants and their habitat, as well as from bushfires and the way fires are managed or suppressed in its area. Both of these threats are currently ongoing rather than occasional, meaning the plant faces continuous pressure. Based on the available information, these threats appear to be stable rather than clearly increasing or decreasing.
Where does Cobberas Grevillea live?
Cobberas Grevillea occurs in Australia. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Cobberas Grevillea?
The main threats to Cobberas Grevillea are 4.1, and 7.1. The full IUCN-classified threat record for this species is detailed on the species page.

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