Fern on Switchbacks trail, Haleakala Crater, Maui Hawai`i

Ferns on Switchbacks trail, Haleakala Crater, Maui Hawai`i

Sadleria cyatheoides
Amau (Blechnaceae)
Fern on Switchbacks trail, Haleakala Crater, Maui Hawai`i

Another view of red opening.

Fern opening on the Switchbacks trail, but really much better like this.