The Purple Cliffbrake, Pellaea atropurpurea (L.) Link, is a fern which is largely confined to limestone soils. Maurice Brooks (1938) says “So rarely is the species found away from limestone that its discovery on sandstone is something of an event.”
The Purple Cliffbrake, Pellaea atropurpurea (L.) Link, is a fern which is largely confined to limestone soils. Maurice Brooks (1938) says “So rarely is the species found away from limestone that its discovery on sandstone is something of an event.”