''Rumohra'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of ferns in the family

Dryopteridaceae The Dryopteridaceae are a family of leptosporangiate ferns in the order Polypodiales. They are known colloquially as the wood ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family is placed in the suborder ...

, subfamily

Elaphoglossoideae Elaphoglossoideae is a subfamily of the fern family Dryopteridaceae The Dryopteridaceae are a family of leptosporangiate ferns in the order Polypodiales. They are known colloquially as the wood ferns. In the Pteridophyte Phylogeny Group clas ...

, in the

Pteridophyte Phylogeny Group The Pteridophyte Phylogeny Group, or PPG, is an informal international group of systematic botanists who collaborate to establish a consensus on the classification of pteridophytes ( lycophytes and ferns) that reflects knowledge about plant relatio ...

classification of 2016 (PPG I). The

frond A frond is a large, divided leaf. In both common usage and botanical nomenclature, the leaves of ferns are referred to as fronds and some botanists restrict the term to this group. Other botanists allow the term frond to also apply to the lar ...

s of species within this genus contain round sori (reproductive clusters) on the underside of the

pinnae The auricle or auricula is the visible part of the ear that is outside the head. It is also called the pinna (Latin for "wing" or " fin", plural pinnae), a term that is used more in zoology. Structure The diagram shows the shape and location ...

(leaflets) unlike many other ferns which have separate specialized reproductive fronds. Many of the sori have

peltate The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular ...

indusia and have prominent scales on the stipes of the fronds. Species have a wide distribution; for example, ''

Rumohra adiantiformis ''Rumohra adiantiformis'', the leather fern or leatherleaf fern,Gilman, E. F''Rumohra adiantiformis''.Fact Sheet FPS-515. University of Florida Cooperative Extension, IFAS. 1999. is a species of fern in the wood fern family Dryopteridaceae. It ha ...

'' is found in the Old World as well as the

New World The term ''New World'' is often used to mean the majority of Earth's Western Hemisphere, specifically the Americas."America." ''The Oxford Companion to the English Language'' (). McArthur, Tom, ed., 1992. New York: Oxford University Press, p. ...

, including such diverse places as the Galapagos Islands and New Zealand.

Species

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

'' (G.Forst.) Ching *'' Rumohra berteroana'' (Colla) R.R.Rodriguez *'' Rumohra glandulosa'' Tardieu *'' Rumohra glandulosissima'' Sundue & J.Prado *'' Rumohra humbertii'' Tardieu *'' Rumohra linearisquamata'' Rakotondr. *'' Rumohra lokohensis'' Tardieu *'' Rumohra madagascarica'' (Bonap.) Tardieu *'' Rumohra quadrangularis'' (Fée) Brade

References

Dryopteridaceae Fern genera {{Dryopteridaceae-stub