As of 2017, the IUCN Red List assessed Adiantum bellum as . However, its long-term survival is inextricably tied to habitat protection.
: Primary dangers include habitat fragmentation due to residential and tourism development, which destroys the specific cave-mouth and rocky woodland environments it requires. Invasive species like Cyrtomium falcatum (Holly Fern) also compete for its limited ecological space. adiantum bellum
The Bermuda Maidenhair Fern is a , meaning it is evolutionarily specialized to grow on rocks rather than in soil. As of 2017, the IUCN Red List assessed Adiantum bellum as