We use cookies and other technologies to enhance your experience, analyse site usage, help with reporting, and assist in other ways to improve the website. You can choose to allow cookies and other technologies or decline. Your choice will not affect site functionality.
Sporangia not arranged in distinct sori, maturing together; annulus represented by a subapical group of thickened cells. Stock erect, without paleae. Lamina of frond bipinnate to pinnately compound; veins free.
