Dullgreen Spleenwort
Asplenium radicans
Photo: iNaturalist: (c) Bitty A. Roy, some rights reserved (CC BY-NC), uploaded by Bitty A. Roy
Overview
The Dullgreen Spleenwort is a small epiphytic fern characterized by its distinctive dull green fronds that grow in compact clusters on tree trunks and rocky surfaces. This species plays an important ecological role in tropical and subtropical forest ecosystems by contributing to the complex epiphyte communities that provide habitat for various invertebrates and help regulate moisture levels in forest canopies.
Dullgreen Spleenwort faces significant threats from habitat destruction and fragmentation as tropical forests are cleared for agriculture and development. The species' specialized epiphytic lifestyle makes it particularly vulnerable to changes in forest microclimate and host tree availability. Climate change poses additional risks through altered precipitation patterns and temperature regimes that affect the humid conditions this fern requires.
Habitat
This epiphytic fern inhabits humid tropical and subtropical forests, typically growing on tree trunks and branches in shaded understory environments. It occurs in montane cloud forests and wet lowland forests where consistent moisture and stable microclimatic conditions are maintained.
Other threatened species in Aspleniaceae
Frequently asked questions
Why is Dullgreen Spleenwort classified as Vulnerable?
Where does Dullgreen Spleenwort live?
What are the main threats to Dullgreen Spleenwort?
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