Hawai’i Islands: Hawai’i, Maui
New Zealand: North Island; South Island
local names: –
Three subspecies are known to occur within the Polynesian region, of which only one is endemic.
The nominate race occurs in Australia and on New Zealand’s North- and South Islands, the subspecies Asplenium trichomanes ssp. densum (Brack.) W. H. Wagner is endemic to the Hawaiian Islands, while the subspecies Asplenium trichomanes ssp. quadrivalens Meyer, which is native to Australia and Europe, is known from a few population on New Zealand’s North Island.