''Merismatium'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

lichenicolous This glossary of mycology is a list of definitions of terms and concepts relevant to mycology, the study of fungi. Terms in common with other fields, if repeated here, generally focus on their mycology-specific meaning. Related terms can be found ...

(

lichen A lichen ( , ) is a hybrid colony (biology), colony of algae or cyanobacteria living symbiotically among hypha, filaments of multiple fungus species, along with yeasts and bacteria embedded in the cortex or "skin", in a mutualism (biology), m ...

-dwelling)

fungi A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...

of uncertain familial placement in the order

Verrucariales Verrucariales is an order (biology), order of Ascomycota, ascomycetous fungi within the subclass Chaetothyriomycetidae of the class Eurotiomycetes. Although most of the Verrucariales are lichenised, the family Sarcopyreniaceae consists of 11 spec ...

. The genus was

circumscribed In geometry, a circumscribed circle for a set of points is a circle passing through each of them. Such a circle is said to ''circumscribe'' the points or a polygon formed from them; such a polygon is said to be ''inscribed'' in the circle. * Circum ...

in 1898 by

Friedrich Wilhelm Zopf Friedrich (or Friederich) Wilhelm Zopf (12 December 1846 – 24 June 1909) was a well-known German botanist and mycologist. He dedicated to his whole life with fungal biology, particularly in classification of fungi and dye production in fungi an ...

Species

Species Fungorum ''Index Fungorum'' is an international project to index all formal names (Binomial nomenclature, scientific names) in the fungus Kingdom (biology), kingdom. As of 2015, the project is based at the Royal Botanic Gardens, Kew, one of three partn ...

(in the

Catalogue of Life The Catalogue of Life (CoL) is an online database that provides an index of known species of animals, plants, fungi, and microorganisms. It was created in 2001 as a partnership between the global Species 2000 and the American Integrated Taxono ...

) accepts six species of ''Merismatium''.

Host A host is a person responsible for guests at an event or for providing hospitality during it. Host may also refer to: Places * Host, Pennsylvania, a village in Berks County * Host Island, in the Wilhelm Archipelago, Antarctica People * ...

information is from Diederich et al. (2018). * '' Merismatium coccotremicola'' – host: ''

Coccotrema ''Coccotrema'' is a genus of lichen-forming fungi. It is the type genus of the family Coccotremataceae, in the order Pertusariales. The genus contains 16 species. Taxonomy ''Coccotrema'' was circumscription (taxonomy), circumscribed by Swiss bot ...

'' * '' Merismatium corae'' – host: ''

Cora Cora may refer to: Science * ''Cora'' (fungus), a genus of lichens * ''Cora'' (damselfly), a genus of damselflies * CorA metal ion transporter, a Mg2+ influx system People * Cora (name), a given name and surname * Cora E. (born 1968), German h ...

'' * '' Merismatium deminutum'' – hosts: ''

Polyblastia ''Polyblastia'' is a genus of lichenized fungi in the family Verrucariaceae. As of 2020, it consists of about 40 species combined with about 50 orphaned species. The main difference with the genus ''Verrucaria'' is related to spores, which are mur ...

'', '' Staurothele'', '' Thelidium'', ''

Verrucaria ''Verrucaria'' is a genus of lichenized (lichen-forming) fungi in the family Verrucariaceae. Taxonomy The genus was circumscribed by German botanist Heinrich Adolph Schrader in 1794, with '' Verrucaria rupestris'' assigned as the type species. ...

'' * '' Merismatium nigritellum'' – hosts: ''

Catapyrenium ''Catapyrenium'' is a genus of squamulose lichens in the family Verrucariaceae. These small lichens grow as clusters of tiny scales ( that lie flat against rocks and soil, often in dry or disturbed habitats. The genus includes about 18 species ...

'', ''

Leptogium ''Leptogium'' is a genus of lichen-forming fungi in the family Collemataceae. It has about 110 species. Species formerly classified under ''Leptogium'' have since been divided among the genera ''Leptogium'', '' Pseudoleptogium'', and '' Scytiniu ...

'', ''

Lichenomphalia ''Lichenomphalia'' is both a basidiolichen and an agaric genus. Most of the species have inconspicuous lichenized thallus, thalli that consist of scattered, small, loose, nearly microscopic green balls or foliose small flakes containing single-ce ...

'', '' Lopadium'', ''

Micarea ''Micarea'' is a genus of lichen-forming fungi in the family Pilocarpaceae. The widely distributed genus contains 142 species and new species are described actively. Species in the genus are crustose lichens and their photobiont (the non-fungal o ...

'', '' Mycobilimbia'', ''

Ochrolechia ''Ochrolechia'' is the sole genus in the fungus, fungal family Ochrolechiaceae. It comprises about 40 species of crustose lichens. These lichens typically form uneven, often thick, crust-like growths on various surfaces and are characterised by t ...

'', '' Protoblastenia'' * '' Merismatium peregrinum'' – host: '' Rimularia'' * '' Merismatium thamnoliicola'' – host: '' Thamnolia''

References

Verrucariales Eurotiomycetes genera Taxa named by Friedrich Wilhelm Zopf Taxa described in 1898 Lichenicolous fungi {{Eurotiomycetes-stub