Thelypteris kusaiana

Thelypteris kusaiana, also known as the Japanese fern or Japanese polypody, is a species of fern native to East Asia, particularly in China, Japan, and Korea.

It has been used in traditional medicine for its medicinal properties, which include anti-inflammatory, antimicrobial, and antiviral activities.

The health benefits of Thelypteris kusaiana include its ability to reduce fever, alleviate respiratory issues, and support immune function.

In herbal preparations, the plant is often dried and used in teas, infusions, or decoctions to harness its medicinal properties.