Athrotaxis laxifolia

Athrotaxis laxifolia is a coniferous tree endemic to the highlands of Tasmania, Australia, belonging to the family Cupressaceae alongside redwoods and cypresses. It is a slow-growing, long-lived species with soft, scale-like foliage arranged along drooping branchlets, giving rise to its trait of "laxifolia," or loose-leaved habit. Believed by some botanists to represent a natural hybrid between Athrotaxis cupressoides and Athrotaxis selaginoides, it produces small woody cones and can persist for centuries, contributing to the structure of subalpine and montane forests where it grows alongside other conifers and hardy shrubs.

As a long-lived canopy or sub-canopy component, it provides structural stability and habitat within these cool-temperate ecosystems.

The species occurs in subtropical/tropical moist montane and lowland forest habitats restricted to Tasmania's high-altitude plateaus and valleys, often in cool, wet environments with poor drainage.

Its principal threat is wildfire, exacerbated by fire suppression practices that have altered natural fire regimes in fire-sensitive alpine ecosystems; because the species lacks adaptations to survive burning and regenerates slowly, fires can eliminate populations for generations or permanently. Invasive species and associated diseases further compound pressure on remaining stands, affecting seedling establishment and tree health.

Conservation efforts include fire management planning within Tasmanian protected areas, monitoring of remaining populations, and research into the species' hybrid origins and regeneration ecology to inform habitat protection. Some populations occur within reserves offering a degree of protection from land-use change, though fire risk remains difficult to fully control.

The population trend is decreasing, and the species is classified as Endangered. Given its slow growth, restricted range, and vulnerability to increasingly severe fire conditions, its long-term outlook remains precarious without sustained fire management and habitat protection.