Sadleria
Sadleria is a genus of six species of ferns in the family Blechnaceae, all endemic to Hawaii. Taxonomy. Georg Friedrich Kaulfuss distinguished the genus in 1824 based on samples of "S. cyatheoides" acquired by Adelbert von Chamisso in 1821. Chamisso had been serving as the naturalist for a Russian scientific expedition led by Otto von Kotzebue aboard the vessel "Rurick". Kaulfuss named the genus after Joseph Sadler (1791–1849), a Hungarian naturalist studied European ferns. Species. , the "Checklist of Ferns and Lycophytes of the World" accepted the following species: The Halemaumau crater on Kīlauea is named after "S. cyatheoides". Sadleria