The Plant List and World Checklist of Pteridophytes

• Adiantum cuneatum — A species of ornamental fern in the family Pteridaceae, also known by the synonymous taxonomic name Adiantum raddianum; it is structurally characterized by delicate, triangular fronds with small, wedge-shaped (cuneate) pinnae suspended on thin, black, shiny petioles. This plant, native to tropical regions of South America, is frequently cultivated globally as a houseplant due to its extremely decorative and airy foliage.