Ferns have spores, which float everywhere with the winds and are thus able to propagate widely. But since the discovery of Adiantum meishanianum over 20 years ago, it has never been recorded in any other location, living in a tiny habitat range of 200 square meters.
蕨類有孢子，會隨風滿天飛舞，向外擴散繁殖，但梅山鐵線蕨自二十多年前被發現後，迄今竟沒有文獻紀錄顯示它曾在別的地方出現，成長範圍一直侷限在原棲地 200 平方公尺範圍內。