Tags: Fern.
Sadleria is a genus of six species of ferns in the family Blechnaceae all endemic to Hawaii.SpeciesSadleria cyatheoides Kaulf. (Amaumau or Rasp Fern)Sadleria pallida Hook. & Arn.Sadleria souleyetiana (Gaud.) T.MooreSadleria squarrosa (Gaud.) T.MooreSadleria unisora (Bak.) Rob.Sadleria wagneriana D.D.Palmer & FlynnThe Halemaʻumaʻu crater on Kīlauea is named after S. cyatheoides.