[Ferns of Denali National Park and Preserve]

Fragile Rockbrake, Slender Cliff-brake, Slender Rock-brake, Steller's rock-brake

Cryptogramma stelleri

Synonym: Pteris stelleri

Fragile Rockbrake, Slender Cliff-brake, Slender Rock-brake, Steller's rock-brake: Cryptogramma stelleri (Synonym: Pteris stelleri)

Steller's rockbrake as seen on rock outcrops in the mining district on Quigley Ridge, Denali National Park and Preserve...........June 18, 2012.
Paul Slichter