EN

Grevillea scabrida

Declining

Overview

Grevillea scabrida is a shrub in the family Proteaceae, the same family that includes banksias and other grevilleas. Like many members of this genus, it likely produces the characteristic toothbrush- or spider-shaped flower clusters typical of Grevillea, which attract nectar-feeding insects and birds that act as pollinators. Its rough-textured foliage, reflected in the species epithet "scabrida," is consistent with adaptations to the dry, nutrient-poor conditions typical of Australian shrubland ecosystems.

Within its habitat, it likely contributes to the structural diversity of the understorey and provides a nectar resource for local fauna.

The species is endemic to Australia, where it occurs within shrubland habitat. Its distribution is naturally restricted, a common trait among many Grevillea species that have evolved in isolated pockets of specialised soil or climate conditions across the Australian landscape.

Grevillea scabrida is listed as Endangered by the IUCN, with a decreasing population trend. The primary documented threat is ongoing mining and quarrying activity, which destroys or fragments shrubland habitat, removes topsoil, and alters local hydrology and soil chemistry in ways that can prevent regeneration of native vegetation.

Specific conservation programs targeting this species are not well documented, but conservation of threatened Grevillea species in Australia generally involves habitat protection measures, restrictions or conditions on mining approvals near known populations, seed banking, and monitoring by state and federal environmental agencies under Australian biodiversity legislation.

Given the continuation of mining pressure within its range and its already restricted distribution, the species' outlook remains concerning, with continued habitat loss likely unless protective measures are strengthened or expanded.

Grevillea scabrida is currently threatened by ongoing mining and quarrying activity, which can destroy or degrade the natural habitat this plant depends on. As land is dug up or cleared for extracting resources, the areas where this species grows become smaller or unsuitable for its survival. This threat is ongoing, indicating a stable but continuing risk to the species rather than a clear increase or decrease.

Threat summary

Habitat

Shrubland· major

Conservation measures underway

Species recovery

Frequently asked questions

Why is Grevillea scabrida classified as Endangered?
Grevillea scabrida is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Grevillea scabrida is currently threatened by ongoing mining and quarrying activity, which can destroy or degrade the natural habitat this plant depends on. As land is dug up or cleared for extracting resources, the areas where this species grows become smaller or unsuitable for its survival. This threat is ongoing, indicating a stable but continuing risk to the species rather than a clear increase or decrease.
Where does Grevillea scabrida live?
Grevillea scabrida 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 Grevillea scabrida?
The main threats to Grevillea scabrida are 3.2. The full IUCN-classified threat record for this species is detailed on the species page.

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