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

fern A fern (Polypodiopsida or Polypodiophyta ) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. The polypodiophytes include all living pteridophytes exce ...

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 ...

, all

endemic Endemism is the state of a species being found 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 found else ...

Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only state ...

.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 named ...

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

Adelbert von Chamisso Adelbert von Chamisso (; 30 January 178121 August 1838) was a German poet and botanist, author of ''Peter Schlemihl'', a famous story about a man who sold his shadow. He was commonly known in French as Adelbert de Chamisso (or Chamissot) de Bonc ...

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

Russian Russian(s) refers to anything related to Russia, including: *Russians (, ''russkiye''), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries *Rossiyane (), Russian language term for all citizens and peo ...

scientific expedition led by

Otto von Kotzebue Otto von Kotzebue (russian: О́тто Евста́фьевич Коцебу́, tr. ; – ) was a Russian officer and navigator in the Imperial Russian Navy. He was born in Reval. He was known for his explorations of Oceania. Early life ...

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 ga ...

(1791–1849), a Hungarian naturalist 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, ope ...

'' Kaulf. (amaumau fern or rasp fern) *''

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

'' Hook. & Arn. *'' Sadleria souleyetiana'' (Gaudich.) Moore *'' Sadleria squarrosa'' (Gaudich.) T.Moore *'' Sadleria unisora'' (Baker) Rob. *''

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

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

Kīlauea Kīlauea ( , ) is an active shield volcano in the Hawaiian Islands. Located along the southeastern shore of the Big Island of Hawaii, the volcano is between 210,000 and 280,000 years old and emerged above sea level about 100,000 years ago. His ...

is named after ''S. cyatheoides''.

References

Citations

Bibliography

* .

External links

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