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Roccellographa Cretacea
''Roccellographa'' is a genus of lichen-forming fungi in the family Roccellographaceae. The genus was circumscribed by Austrian lichenologist Julius Steiner in 1902, with '' Roccellographa cretacea'' assigned as the type, and at that time, the only species. Three additional species have since been transferred to the genus from other genera. Species *''Roccellographa circumscripta ''Roccellographa'' is a genus of lichen-forming fungi in the family Roccellographaceae. 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 po ...'' *'' Roccellographa cretacea'' *'' Roccellographa muriformis'' *'' Roccellographa sorediata'' References Arthoniomycetes Lichen genera Arthoniomycetes genera Taxa described in 1902 {{Arthoniomycetes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roccellographa Circumscripta
''Roccellographa'' is a genus of lichen-forming fungi in the family Roccellographaceae. 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 polyg ... by Austrian lichenologist Julius Steiner in 1902, with '' Roccellographa cretacea'' assigned as the type, and at that time, the only species. Three additional species have since been transferred to the genus from other genera. Species *'' Roccellographa circumscripta'' *'' Roccellographa cretacea'' *'' Roccellographa muriformis'' *'' Roccellographa sorediata'' References Arthoniomycetes Lichen genera Arthoniomycetes genera Taxa described in 1902 {{Arthoniomycetes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roccellographa Cretacea
''Roccellographa'' is a genus of lichen-forming fungi in the family Roccellographaceae. The genus was circumscribed by Austrian lichenologist Julius Steiner in 1902, with '' Roccellographa cretacea'' assigned as the type, and at that time, the only species. Three additional species have since been transferred to the genus from other genera. Species *''Roccellographa circumscripta ''Roccellographa'' is a genus of lichen-forming fungi in the family Roccellographaceae. 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 po ...'' *'' Roccellographa cretacea'' *'' Roccellographa muriformis'' *'' Roccellographa sorediata'' References Arthoniomycetes Lichen genera Arthoniomycetes genera Taxa described in 1902 {{Arthoniomycetes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roccellographa Muriformis
''Roccellographa'' is a genus of lichen-forming fungi in the family Roccellographaceae. The genus was circumscribed by Austrian lichenologist Julius Steiner in 1902, with ''Roccellographa cretacea'' assigned as the type, and at that time, the only species. Three additional species have since been transferred to the genus from other genera. Species *''Roccellographa circumscripta'' *''Roccellographa cretacea ''Roccellographa'' is a genus of lichen-forming fungi in the family Roccellographaceae. The genus was circumscribed by Austrian lichenologist Julius Steiner in 1902, with '' Roccellographa cretacea'' assigned as the type, and at that time, the ...'' *'' Roccellographa muriformis'' *'' Roccellographa sorediata'' References Arthoniomycetes Lichen genera Arthoniomycetes genera Taxa described in 1902 {{Arthoniomycetes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roccellographa Sorediata
''Roccellographa'' is a genus of lichen-forming fungi in the family Roccellographaceae. The genus was circumscribed by Austrian lichenologist Julius Steiner in 1902, with ''Roccellographa cretacea'' assigned as the type, and at that time, the only species. Three additional species have since been transferred to the genus from other genera. Species *''Roccellographa circumscripta'' *''Roccellographa cretacea'' *''Roccellographa muriformis ''Roccellographa'' is a genus of lichen-forming fungi in the family Roccellographaceae. The genus was circumscribed by Austrian lichenologist Julius Steiner in 1902, with ''Roccellographa cretacea'' assigned as the type, and at that time, the o ...'' *'' Roccellographa sorediata'' References Arthoniomycetes Lichen genera Arthoniomycetes genera Taxa described in 1902 {{Arthoniomycetes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tomas
Tomas may refer to: People * Tomás (given name), a Spanish, Portuguese, and Gaelic given name * Tomas (given name), a Swedish, Dutch, and Lithuanian given name * Tomáš, a Czech and Slovak given name * Tomas (surname), a French and Croatian surname * Tomás (surname), a Spanish and Portuguese surname * Tomaš (surname), a Croatian surname * ''Tomas.'', taxonomic author abbreviation of Ruggero Tomaselli (1920–1982), Italian botanist Places * Tomaš, Croatia, a village near Bjelovar * Tomaș River, a tributary of the Gârbăul Mare River in Romania * Tomas District, Peru Other uses * Tropical Storm Tomas (other), numerous storms * ''Tomas'' (novel), 2009 novel by James Palumbo * Convento de Santo Tomás (Madrid) See also * Thomas (other) * Tom (other) Tom or TOM may refer to: * Tom (given name), a diminutive of Thomas or Tomás or an independent Aramaic given name (and a list of people with the name) Characters * Tom Anderson, a character in '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus comes above species and below family (taxonomy), family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. ''Panthera leo'' (lion) and ''Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomy (biology), taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.Introduction to Lichens – An Alliance between Kingdoms . University of California Museum of Paleontology. Lichens have properties different from those of their component organisms. They come in many colors, sizes, and forms and are sometimes plant-like, but are not s. They may have tiny, leafless branches (); flat leaf-like structures ( |
Fungi
A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from the other eukaryotic kingdoms, which by one traditional classification include Plantae, Animalia, Protozoa, and Chromista. A characteristic that places fungi in a different kingdom from plants, bacteria, and some protists is chitin in their cell walls. Fungi, like animals, are heterotrophs; they acquire their food by absorbing dissolved molecules, typically by secreting digestive enzymes into their environment. Fungi do not photosynthesize. Growth is their means of mobility, except for spores (a few of which are flagellated), which may travel through the air or water. Fungi are the principal decomposers in ecological systems. These and other differences place fungi in a single group of related organisms, named the ''Eumycota'' (''t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roccellographaceae
Roccellographaceae is a family of lichen-forming fungi in the order Arthoniales. It contains three genera: '' Dimidiographa'', '' Fulvophyton'', and '' Roccellographa''. Taxonomy The family was circumscribed by Damien Ernst and Anders Tehler in 2011 after a phylogenetic study of the Arthoniales. It is named after its type genus, '' Roccellographa''. Before this publication, this genus was monotypic, containing the single species '' Roccellographa cretacea'', endemic to Socotra and Somalia. Three species have since been added to ''Roccellographa''. Genus '' Fulvophyton'' was created to contain species formerly placed in '' Sclerophyton'', but differing from the generic type by having rounded to ellipsoid, often white pruinose ascomata, and a hyaline or pale hypothecium. Genus '' Dimidiographa'' differs from other Roccellographaceae genera in having a blackened (''carbonized'') excipulum (the ring-shaped layer surrounding the hymenium). Description Members of the Roccellographac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Circumscription (taxonomy)
In biological taxonomy, circumscription is the content of a taxon, that is, the delimitation of which subordinate taxa are parts of that taxon. If we determine that species X, Y, and Z belong in Genus A, and species T, U, V, and W belong in Genus B, those are our circumscriptions of those two genera. Another systematist might determine that T, U, V, W, X, Y, and Z all belong in genus A. Agreement on circumscriptions is not governed by the Codes of Zoological or Botanical Nomenclature, and must be reached by scientific consensus. A goal of biological taxonomy is to achieve a stable circumscription for every taxon. This goal conflicts, at times, with the goal of achieving a natural classification that reflects the evolutionary history of divergence of groups of organisms. Balancing these two goals is a work in progress, and the circumscriptions of many taxa that had been regarded as stable for decades are in upheaval in the light of rapid developments in molecular phylogenetics ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Julius Steiner
The gens Julia (''gēns Iūlia'', ) was one of the most prominent patrician families in ancient Rome. Members of the gens attained the highest dignities of the state in the earliest times of the Republic. The first of the family to obtain the consulship was Gaius Julius Iulus in 489 BC. The gens is perhaps best known, however, for Gaius Julius Caesar, the dictator and grand uncle of the emperor Augustus, through whom the name was passed to the so-called Julio-Claudian dynasty of the first century AD. The Julius became very common in imperial times, as the descendants of persons enrolled as citizens under the early emperors began to make their mark in history.''Dictionary of Greek and Roman Biography and Mythology'', vol. II, pp. 642, 643. Origin The Julii were of Alban origin, mentioned as one of the leading Alban houses, which Tullus Hostilius removed to Rome upon the destruction of Alba Longa. The Julii also existed at an early period at Bovillae, evidenced by a very a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type Species
In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen(s). Article 67.1 A similar concept is used for suprageneric groups and called a type genus. In botanical nomenclature, these terms have no formal standing under the code of nomenclature, but are sometimes borrowed from zoological nomenclature. In botany, the type of a genus name is a specimen (or, rarely, an illustration) which is also the type of a species name. The species name that has that type can also be referred to as the type of the genus name. Names of genus and family ranks, the various subdivisions of those ranks, and some higher-rank names based on genus names, have such types. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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