''Leightoniella'' is a fungal genus in the family Pannariaceae. This is a monotypic genus, containing the single species ''Leightoniella zeylanensis'', a cyanolichen. The genus was

circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every po ...

in 1965 by Norwegian lichenologist

Aino Henssen Aino Marjatta Henssen (12 April 1925, Elberfeld – 29 August 2011, Marburg), was a German lichenologist and systematist. Her father, Gottfried Henssen, was a folklorist and her mother was Finns, Finnish. Education and career Henssen began her stu ...

. The generic name honours English clergyman and botanist

William Allport Leighton William Allport Leighton (17 May 1805 – 28 February 1889) was an English Church of England clergyman and botanist. Life He was the only son of William and Lucy Maria Leighton. His mother was the daughter and coheiress of John Allport of Presc ...

, who originally described the type species in 1870 as ''Pterygium zeylanense''.

References

Peltigerales Lichen genera Peltigerales genera Taxa named by Aino Henssen Taxa described in 1965 {{Peltigerales-stub