''Sadleria'' is a genus of six species of

fern The ferns (Polypodiopsida or Polypodiophyta) are a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. They differ from mosses by being vascular, i.e., having specialized tissue ...

s in the family

Blechnaceae Blechnaceae is a family of ferns in the order Polypodiales, with a cosmopolitan distribution. Its status as a family and the number of genera included have both varied considerably. In the Pteridophyte Phylogeny Group classification of 2016 (PP ...

, all

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Hawaii Hawaii ( ; ) is an island U.S. state, state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two Non-contiguous United States, non-contiguous U.S. states (along with Alaska), it is the only sta ...

.Fern pages
''Sadleria''
/ref>

Taxonomy

Georg Friedrich Kaulfuss Georg Friedrich Kaulfuss (8 April 1786 – 9 December 1830) was a professor at Halle. He described the pteridophytes collected by Adelbert von Chamisso, and he named the fern ''Cibotium chamissoi'' after him. The genus '' Kaulfussia'' is nam ...

distinguished the genus in 1824 based on samples of ''S. cyatheoides'' acquired by

Adelbert von Chamisso Adelbert von Chamisso (; 30 January 1781 – 21 August 1838) was a German poet, writer and botanist. He was commonly known in French as Adelbert de Chamisso (or Chamissot) de Boncourt, a name referring to the family estate at Boncourt. Life ...

in 1821. Chamisso had been serving as the naturalist for a

Russian Russian(s) may refer to: *Russians (), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries *A citizen of Russia *Russian language, the most widely spoken of the Slavic languages *''The Russians'', a b ...

scientific expedition led by

Otto von Kotzebue Otto von Kotzebue (; 30 December 1787 – 15 February 1846) was a Baltic German naval officer in the Imperial Russian Navy. He commanded two naval expeditions into the Pacific for the purposes of exploration and scientific investigation. The fi ...

aboard the vessel ''Rurick''. Kaulfuss named the genus after

Joseph Sadler Joseph Henry Sadler () was a British professional rower who twice won the World Sculling Championship. Before 1876, the English Sculling Championship was considered to be the premier event in professional sculling. In 1876, the English Title g ...

(1791–1849), a Hungarian naturalist who studied European ferns.

Species

, the ''Checklist of Ferns and Lycophytes of the World'' accepted the following species: *''

Sadleria cyatheoides ''Sadleria cyatheoides'', commonly known as amaumau fern or amau, is a fern species in the family Blechnaceae, in the eupolypods II clade of the order Polypodiales, in the class Polypodiopsida. It is endemic to Hawaii and inhabits lava flows, o ...

'' Kaulf. (amaumau fern or rasp fern) *'' Sadleria pallida'' Hook. & Arn. *'' Sadleria souleyetiana'' (Gaudich.) Moore *'' Sadleria squarrosa'' (Gaudich.) T.Moore *''

Sadleria unisora ''Sadleria unisora'' is a species of chain fern endemic to the Alakaʻi plateau on the island of Kauaʻi. Distribution and habitat ''Sadleria unisora'' is only found at elevations between in native wet forests on the island of Kauai K ...

'' (Baker) Rob. *''

Sadleria wagneriana ''Sadleria'' is a genus of six species of ferns in the family Blechnaceae, all endemism, endemic to Hawaii.Fern pages''Sadleria''/ref> Taxonomy Georg Friedrich Kaulfuss distinguished the genus in 1824 based on samples of ''S. cyatheoides'' acqu ...

'' D.D.Palmer & Flynn The Halemaumau crater on

Kīlauea Kīlauea ( , ) is an active shield volcano in the Hawaiian Islands. It is located along the southeastern shore of Hawaii (island), Hawaii Island. The volcano is between 210,000 and 280,000 years old and grew above sea level about 100,000 years ...

is named after ''S. cyatheoides''.

References

Citations

Bibliography

* .

External links

Blechnaceae Endemic flora of Hawaii Native ferns of Hawaii Fern genera {{Polypodiales-stub