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Malcolmiella
''Malcolmiella'' is a genus of lichenized fungi in the family Pilocarpaceae. Taxonomy The genus was circumscribed by Czech lichenologist Antonín Vězda 1997, with ''Malcolmiella cinereovirens'' as the type, and only species. The generic name honours William McLagan Malcolm (born 1936), a New Zealand-born American botanist and botanical illustrator who specialised in cryptogams. '' M. interversa'' was added as a second species in 2021 (transferred from genus ''Lecidea ''Lecidea'' is a genus of crustose lichens with a carbon black ring or outer margin ( exciple) around the fruiting body disc (apothecium), usually (or always) found growing on (saxicolous) or in (endolithic An endolith or endolithic is an or ...''). References Pilocarpaceae Lichen genera Lecanorales genera Taxa named by Antonín Vězda Taxa described in 1997 {{Lecanorales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Malcolmiella Cinereovirens
''Malcolmiella'' is a genus of lichenized fungi in the family Pilocarpaceae. Taxonomy The genus was circumscribed by Czech lichenologist Antonín Vězda 1997, with ''Malcolmiella cinereovirens'' as the type, and only species. The generic name honours William McLagan Malcolm (born 1936), a New Zealand-born American botanist and botanical illustrator who specialised in cryptogams. '' M. interversa'' was added as a second species in 2021 (transferred from genus ''Lecidea ''Lecidea'' is a genus of crustose lichens with a carbon black ring or outer margin ( exciple) around the fruiting body disc (apothecium), usually (or always) found growing on (saxicolous) or in (endolithic An endolith or endolithic is an or ...''). References Pilocarpaceae Lichen genera Lecanorales genera Taxa named by Antonín Vězda Taxa described in 1997 {{Lecanorales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Malcolmiella Interversa
''Malcolmiella'' is a genus of lichenized fungi in the family Pilocarpaceae. Taxonomy The genus was circumscription (taxonomy), circumscribed by Czech lichenologist Antonín Vězda 1997, with ''Malcolmiella cinereovirens'' as the type species, type, and only species. The generic name honours William McLagan Malcolm (born 1936), a New Zealand-born American botanist and botanical illustrator who specialised in cryptogams. ''Malcolmiella interversa, M. interversa'' was added as a second species in 2021 (transferred from genus ''Lecidea''). References Pilocarpaceae Lichen genera Lecanorales genera Taxa named by Antonín Vězda Taxa described in 1997 {{Lecanorales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Antonín Vězda
Antonín (Toni) Vězda (25 November 1920 – 10 November 2008) was a Czech lichenologist. After completing a university education that was postponed by World War II, Vězda taught botany at the Czech University of Life Sciences Prague, Czech University of Life Sciences. In 1958, he was dismissed from his university position as a result of the restrictions placed on academic freedoms by the Czechoslovak Socialist Republic, communist regime in power. He eventually was hired as a lichen researcher by the Czechoslovak Academy of Sciences, who allowed him to work from his apartment, which served also as an office and herbarium. Vězda was a productive worker, publishing nearly 400 scientific papers between 1948 and 2008, most solitarily, describing hundreds of new taxon, taxa, and building up a herbarium scientific collection, collection of more than 300,000 specimens. He was praised for his series of exsiccata, exsiccates – sets of dried herbarium specimens – assembled with bot ... [...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] |
Pilocarpaceae
The Pilocarpaceae are a family of crustose lichens in the order Lecanorales. The species of this family have a cosmopolitan distribution and have been found in a variety of climatic regions. Pilocarpaceae was circumscribed by Alexander Zahlbruckner in Adolf Engler's influential 1905 work ''Die Natürlichen Pflanzenfamilien''. Description Pilocarpaceae species are crustose and have ascomata in the form of an brightly-coloured apothecium with a poorly-developed margin comprising loosely-intertwined hyphae. The ascospores are hyaline and often elongated with one or more septa. Genera Pilocarpaceae contains 32 genera and an estimated 445 species. The following list shows the genera, authority, year of publication, and number of species as of 2020 (unless a newer source is cited). *'' Aquacidia'' – 3 spp. *'' Badimiella'' – 1 sp. *'' Baflavia'' – 1 sp. *'' Bapalmuia'' – 22 spp. *'' Barubria'' – 2 spp. *'' Brasilicia'' – 6 spp. *'' Bryogomphus'' – 1 sp. *'' Bysso ... [...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] |
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] |
Cryptogam
A cryptogam (scientific name Cryptogamae) is a plant (in the wide sense of the word) or a plant-like organism that reproduces by spores, without flowers or seeds. The name ''Cryptogamae'' () means "hidden reproduction", referring to the fact that no seed is produced, thus cryptogams represent the non-seed bearing plants. Other names, such as "thallophytes", "lower plants", and "spore plants" are also occasionally used. As a group, Cryptogamae are the opposite of the Phanerogamae () or Spermatophyta (), the seed plants. The best-known groups of cryptogams are algae, lichens, mosses, and ferns, but it also includes non-photosynthetic organisms traditionally classified as plants, such as fungi, slime molds, and bacteria. The classification is now deprecated in Linnaean taxonomy. At one time, the cryptogams were formally recognised as a group within the plant kingdom. In his system for classification of all known plants and animals, Carl Linnaeus (1707–1778) divided the plant ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lecidea
''Lecidea'' is a genus of crustose lichens with a carbon black ring or outer margin (exciple) around the fruiting body disc (apothecium), usually (or always) found growing on (saxicolous) or in (endolithic) rock.Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, Lichens that have such a black exciple are called lecideine, meaning "like ''Lecidea'', even if they are not in this genus. Members of the genus are commonly called disk lichens or tile lichens. Selected species According to the ''Dictionary of the Fungi'' (10th edition, 2008), the widespread genus contains an estimated 427 species. * ''Lecidea atrobrunnea'' * ''Lecidea hassei'' * ''Lecidea keimioeensis'' * ''Lecidea laboriosa'' * ''Lecidea lithophila ''Lecidea'' is a genus of crustose lichens with a carbon black ring or outer margin ( exciple) around the fruiting body disc (apothecium), usually (or always) found growing on (saxicolous) or in (endolithic An endolith or endolithic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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