Diplazium adnatum adalah salah satu spesies tumbuhan menahun dari famili Aspleniaceae. Tumbuhan ini berasal dari bioma beriklim tropis basah di wilayah Brazil (Espírito Santo, Rio de Janeiro).
POWO (2024). "Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; https://powo.science.kew.org/."
IPNI (2024). "International Plant Names Index. Published on the Internet http://www.ipni.org, The Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries, and Australian National Herbarium"
