In an area of a similar size and topography in central or southern Taiwan, one would often find only 50 or so different fern species. The Nankang Hills present a microcosm of fern ecology at medium to low altitudes in Taiwan.
南港山歧異度高的微環境，創造了蕨類的天堂樂園，同樣的地形、面積，在中南部往往只能有五十種左右的蕨類。