Grevillea scortechinii
CR

Grevillea scortechinii

Declining

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Grevillea_scortechinii

Overview

Grevillea scortechinii is a woody shrub in the family Proteaceae, a group known for their distinctive flower clusters and often specialised leaf forms. Like many Grevillea species, it likely produces spider-shaped or toothbrush-like flower clusters that attract nectar-feeding birds and insects, contributing to pollination networks within its forest habitat. Its foliage and structure are typical of sclerophyllous shrubs adapted to Australian forest understories, providing shelter and food resources for local fauna.

The species is endemic to Australia, where it occurs within forest habitats. Its distribution is limited, a factor that contributes to its heightened vulnerability, as is common among many narrow-range Grevillea species restricted to specific soil types or microclimates within eastern Australian forest systems.

The species faces multiple ongoing threats. Livestock farming and ranching degrade understory vegetation and compact soils, while the expansion of annual and perennial non-timber crops results in habitat clearance and fragmentation. Altered fire regimes, including both increased fire frequency and fire suppression practices, disrupt the natural disturbance cycles many Proteaceae species depend on for germination and population turnover.

Invasive species, potentially including introduced pathogens such as Phytophthora root rot, common in Australian native plant communities, and competing non-native flora, further threaten remaining populations.

Conservation attention for this Critically Endangered species likely includes habitat protection within its known range, monitoring of remaining populations, and management strategies addressing fire regimes and grazing pressure, consistent with broader efforts for threatened Australian flora. Specific population figures are not well documented.

Given ongoing habitat pressures and a decreasing population trend, the species' outlook remains precarious. Without sustained habitat protection and threat mitigation, particularly around land-use change and disease management, its long-term survival remains uncertain.

Grevillea scortechinii is mainly threatened by land being cleared or altered for livestock grazing and farming of crops, which destroys or fragments its natural habitat. Ongoing bushfires and fire management practices, along with pressure from invasive plants, animals, or diseases that outcompete or damage the species, add further strain. These combined pressures appear to be ongoing and stable rather than clearly worsening or improving.

Threat summary

Habitat

Forest· major

Conservation measures underway

Site/area protection

Frequently asked questions

Why is Grevillea scortechinii classified as Critically Endangered?
Grevillea scortechinii is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Grevillea scortechinii is mainly threatened by land being cleared or altered for livestock grazing and farming of crops, which destroys or fragments its natural habitat. Ongoing bushfires and fire management practices, along with pressure from invasive plants, animals, or diseases that outcompete or damage the species, add further strain. These combined pressures appear to be ongoing and stable rather than clearly worsening or improving.
Where does Grevillea scortechinii live?
Grevillea scortechinii 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 scortechinii?
The main threats to Grevillea scortechinii are 2.1, 2.3, 7.1, and 8.1. The full IUCN-classified threat record for this species is detailed on the species page.

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