Blechnum banksii

Blechnum banksii, also known as the water fern or New Zealand water fern, is a species of fern that belongs to the family Blechnaceae.

This plant has been used in traditional medicine for its medicinal properties, particularly in treating respiratory issues such as bronchitis and asthma, due to its expectorant and anti-inflammatory properties.

The health benefits of Blechnum banksii include reducing inflammation, soothing coughs, and relieving congestion, making it a popular remedy for respiratory problems.

In herbal preparations, the plant is often used in the form of infusions, decoctions, or tinctures, and is also used in modern medicine as an ingredient in pharmaceutical products.