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Crespoa
''Crespoa'' is a genus of five species of lichen in the family Parmeliaceae. Species in this genus are characterized by having an upper thallus surface that is wrinkled and reticulately ridged to coarsely foveolate (having small pits or depressions). Description ''Crespoa'' species have a distinctive thallus structure, with a strongly reticulately ridged and wrinkled upper surface, and medullary stictic and constictic acids, with the exception of ''C. schelpei'', which has medullary protocetraric acid. Distribution All of the species in ''Crespoa'' have a more or less tropical distribution, although the range of ''C. carneopruinata'' also extends into southern France and Italy, while the distribution of the type species ''C. crozalsiana'' includes the US and southern Europe. ''C. scrobicularis'' has been reported from Oceania and South America, including Argentina, Brazil, Paraguay, and Venezuela. Taxonomy Species in ''Crespoa'' were originally considered part o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crespoa Crozalsiana
''Crespoa'' is a genus of five species of lichen in the family Parmeliaceae. Species in this genus are characterized by having an upper thallus surface that is wrinkled and reticulately ridged to coarsely foveolate (having small pits or depressions). Description ''Crespoa'' species have a distinctive thallus structure, with a strongly reticulately ridged and wrinkled upper surface, and medullary stictis acid, stictic and constictic acids, with the exception of ''C. schelpei'', which has medullary protocetraric acid. Distribution All of the species in ''Crespoa'' have a more or less tropical distribution, although the range of ''C. carneopruinata'' also extends into southern France and Italy, while the distribution of the type species ''C. crozalsiana'' includes the US and southern Europe. ''C. scrobicularis'' has been reported from Oceania and South America, including Argentina, Brazil, Paraguay, and Venezuela. Taxonomy Species in ''Crespoa'' were originally consi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crespoa Inhaminensis
''Crespoa'' is a genus of five species of lichen in the family Parmeliaceae. Species in this genus are characterized by having an upper thallus surface that is wrinkled and reticulately ridged to coarsely foveolate (having small pits or depressions). Description ''Crespoa'' species have a distinctive thallus structure, with a strongly reticulately ridged and wrinkled upper surface, and medullary stictic and constictic acids, with the exception of ''C. schelpei'', which has medullary protocetraric acid. Distribution All of the species in ''Crespoa'' have a more or less tropical distribution, although the range of ''C. carneopruinata'' also extends into southern France and Italy, while the distribution of the type species ''C. crozalsiana'' includes the US and southern Europe. ''C. scrobicularis'' has been reported from Oceania and South America, including Argentina, Brazil, Paraguay, and Venezuela. Taxonomy Species in ''Crespoa'' were originally considered ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crespoa Schelpei
''Crespoa'' is a genus of five species of lichen in the family Parmeliaceae. Species in this genus are characterized by having an upper thallus surface that is wrinkled and reticulately ridged to coarsely foveolate (having small pits or depressions). Description ''Crespoa'' species have a distinctive thallus structure, with a strongly reticulately ridged and wrinkled upper surface, and medullary stictic and constictic acids, with the exception of ''C. schelpei'', which has medullary protocetraric acid. Distribution All of the species in ''Crespoa'' have a more or less tropical distribution, although the range of ''C. carneopruinata'' also extends into southern France and Italy, while the distribution of the type species ''C. crozalsiana'' includes the US and southern Europe. ''C. scrobicularis'' has been reported from Oceania and South America, including Argentina, Brazil, Paraguay, and Venezuela. Taxonomy Species in ''Crespoa'' were originally considered ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crespoa Scrobicularis
''Crespoa'' is a genus of five species of lichen in the family Parmeliaceae. Species in this genus are characterized by having an upper thallus surface that is wrinkled and reticulately ridged to coarsely foveolate (having small pits or depressions). Description ''Crespoa'' species have a distinctive thallus structure, with a strongly reticulately ridged and wrinkled upper surface, and medullary stictic and constictic acids, with the exception of ''C. schelpei'', which has medullary protocetraric acid. Distribution All of the species in ''Crespoa'' have a more or less tropical distribution, although the range of ''C. carneopruinata'' also extends into southern France and Italy, while the distribution of the type species ''C. crozalsiana'' includes the US and southern Europe. ''C. scrobicularis'' has been reported from Oceania and South America, including Argentina, Brazil, Paraguay, and Venezuela. Taxonomy Species in ''Crespoa'' were originally considered ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crespoa Carneopruinata
''Crespoa'' is a genus of five species of lichen in the family Parmeliaceae. Species in this genus are characterized by having an upper thallus surface that is wrinkled and reticulately ridged to coarsely foveolate (having small pits or depressions). Description ''Crespoa'' species have a distinctive thallus structure, with a strongly reticulately ridged and wrinkled upper surface, and medullary stictic and constictic acids, with the exception of ''C. schelpei'', which has medullary protocetraric acid. Distribution All of the species in ''Crespoa'' have a more or less tropical distribution, although the range of ''C. carneopruinata'' also extends into southern France and Italy, while the distribution of the type species ''C. crozalsiana'' includes the US and southern Europe. ''C. scrobicularis'' has been reported from Oceania and South America, including Argentina, Brazil, Paraguay, and Venezuela. Taxonomy Species in ''Crespoa'' were originally considered ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Constictic Acid
Constictic acid is a chemical compound of the depsidone class. It was first isolated in 1968 from lichen of the genus ''Usnea''. It has since been found in many other lichen genera including ''Menegazzia'', '' Crespoa'', and ''Xanthoparmelia ''Xanthoparmelia'' (commonly known as green rock shields or rock-shield lichens) is a genus of foliose lichen in the family Parmeliaceae.Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ''Xanthoparmelia'' is syn ...''. References Lactones Benzaldehydes Heterocyclic compounds with 4 rings Phenols Methoxy compounds Benzodioxepines Lichen products {{organic-compound-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ana Crespo
Ana María Crespo de las Casas (born 30 March 1948, Santa Cruz de Tenerife) is a Spanish lichenologist noted for studying the phytosociology, taxonomy and floristics of Mediterranean lichens. She was awarded the 2012 Acharius Medal from the International Association for Lichenology for lifetime achievements in lichenology, and the genera '' Crespoa'', ''Cresponea ''Cresponea'' is a genus of lichens in the family Roccellaceae. The genus, circumscribed in 1993, contains species that were formerly classified in '' Lecanactis''. ''Cresponea'' is widely distributed, but most species are found in tropical and s ...'' and '' Cresporhaphis'' were named in her honor. See also * :Taxa named by Ana Crespo References 1948 births Spanish women scientists Spanish lichenologists Acharius Medal recipients Living people {{mycologist-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Parmeliaceae
The Parmeliaceae is a large and diverse family of Lecanoromycetes. With over 2700 species in 71 genera, it is the largest family of lichen-forming fungi. The most speciose genera in the family are the well-known groups: '' Xanthoparmelia'' ( 822 species), ''Usnea'' (355 species), ''Parmotrema'' ( 255 species), and ''Hypotrachyna'' (262 species). Nearly all members of the family have a symbiotic association with a green alga (most often ''Trebouxia'' spp., but '' Asterochloris'' spp. are known to associate with some species).Miadlikowska, J. ''et al.'' (2006). New insights into classification and evolution of the Lecanoromycetes (Pezizomycotina, Ascomycota) from phylogenetic analyses of three ribosomal RNA- and two protein-coding genes. ''Mycologia'' 98: 1088-1103. http://www.mycologia.org/cgi/reprint/98/6/1088.pdf The majority of Parmeliaceae species have a foliose, fruticose, or subfruticose growth form. The morphological diversity and complexity exhibited by this group is en ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monophyletic
In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic groups are typically characterised by shared derived characteristics ( synapomorphies), which distinguish organisms in the clade from other organisms. An equivalent term is holophyly. The word "mono-phyly" means "one-tribe" in Greek. Monophyly is contrasted with paraphyly and polyphyly as shown in the second diagram. A ''paraphyletic group'' consists of all of the descendants of a common ancestor minus one or more monophyletic groups. A '' polyphyletic group'' is characterized by convergent features or habits of scientific interest (for example, night-active primates, fruit trees, aquatic insects). The features by which a polyphyletic group is differentiated from others are not inherited from a common ancestor. These definitions have tak ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DNA Sequencing
DNA sequencing is the process of determining the nucleic acid sequence – the order of nucleotides in DNA. It includes any method or technology that is used to determine the order of the four bases: adenine, guanine, cytosine, and thymine. The advent of rapid DNA sequencing methods has greatly accelerated biological and medical research and discovery. Knowledge of DNA sequences has become indispensable for basic biological research, DNA Genographic Projects and in numerous applied fields such as medical diagnosis, biotechnology, forensic biology, virology and biological systematics. Comparing healthy and mutated DNA sequences can diagnose different diseases including various cancers, characterize antibody repertoire, and can be used to guide patient treatment. Having a quick way to sequence DNA allows for faster and more individualized medical care to be administered, and for more organisms to be identified and cataloged. The rapid speed of sequencing attained with modern D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lecanorales Genera
The Lecanorales are an order of mostly lichen-forming fungi belonging to the class Lecanoromycetes in the division Ascomycota. The order contains 26 families, 269 genera, and 5695 species. Families * Aphanopsidaceae * Biatorellaceae * Brigantiaeaceae * Bruceomycetaceae * Carbonicolaceae * Catillariaceae * Cladoniaceae * Crocyniaceae * Dactylosporaceae * Gypsoplacaceae * Haematommataceae * Lecanoraceae * Malmideaceae * Pachyascaceae * Parmeliaceae * Pilocarpaceae * Psilolechiaceae * Psoraceae * Ramalinaceae * Ramboldiaceae * Scoliciosporaceae * Sphaerophoraceae * Stereocaulaceae * Tephromelataceae * Vezdaeaceae Genera of uncertain placement There are several genera in the Lecanorales that have not been placed with certainty into any family. These are: *'' Coronoplectrum'' – 1 sp. *'' Ivanpisutia'' – 1 sp. *'' Joergensenia'' – 1 sp. *'' Myochroidea'' – 4 spp. *'' Neopsoromopsis'' – 1 sp. *''Psoromella ''Psoromella'' is a genus of lichenized fungi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genetic Distance
Genetic distance is a measure of the genetic divergence between species or between populations within a species, whether the distance measures time from common ancestor or degree of differentiation. Populations with many similar alleles have small genetic distances. This indicates that they are closely related and have a recent common ancestor. Genetic distance is useful for reconstructing the history of populations, such as the multiple human expansions out of Africa. It is also used for understanding the origin of biodiversity. For example, the genetic distances between different breeds of domesticated animals are often investigated in order to determine which breeds should be protected to maintain genetic diversity. Biological foundation In the genome of an organism, each gene is located at a specific place called the locus for that gene. Allelic variations at these loci cause phenotypic variation within species (e.g. hair colour, eye colour). However, most alleles do not hav ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
