Cyclosorus kusaianus

Cyclosorus kusaianus, also known as the Japanese crown fern, is a species of fern in the family Thelypteridaceae.

Traditionally, this plant has been used in herbal medicine to treat various ailments, with its medicinal properties attributed to the presence of flavonoids, phenolic acids, and other bioactive compounds.

The health benefits of Cyclosorus kusaianus include its anti-inflammatory and antioxidant properties, which may help to alleviate symptoms of conditions such as arthritis, fever, and digestive issues.

In herbal preparations, the leaves of the Japanese crown fern can be used to make teas, infusions, or tinctures, although further research is needed to confirm its efficacy and safety for human consumption.