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Helicobasidiales
The Helicobasidiales are an order of rust fungi in the class Pucciniomycetes. It contains the single family Helicobasidiaceae, which itself comprises three genera: '' Helicobasidium'', '' Stypinella'', and '' Tuberculina''. Helicobasidiales 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 ... in 2006. References Basidiomycota orders Monotypic fungus taxa Taxa named by Franz Oberwinkler Taxa described in 2006 {{Basidiomycota-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helicobasidiales
The Helicobasidiales are an order of rust fungi in the class Pucciniomycetes. It contains the single family Helicobasidiaceae, which itself comprises three genera: '' Helicobasidium'', '' Stypinella'', and '' Tuberculina''. Helicobasidiales 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 ... in 2006. References Basidiomycota orders Monotypic fungus taxa Taxa named by Franz Oberwinkler Taxa described in 2006 {{Basidiomycota-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helicobasidium
''Helicobasidium'' is a genus of fungus in the family Helicobasidiaceae. Species *'' Helicobasidium albicans'' *'' Helicobasidium anomalum'' *'' Helicobasidium arboreum'' *'' Helicobasidium candidum'' *'' Helicobasidium cirratum'' *'' Helicobasidium cirrhatum'' *'' Helicobasidium compactum'' *''Helicobasidium corticioides'' *''Helicobasidium filicinum'' *'' Helicobasidium hemispira'' *'' Helicobasidium holospirum'' *'' Helicobasidium hypochnoides'' *''Helicobasidium inconspicuum'' *''Helicobasidium incrustans'' *''Helicobasidium killermannii'' *''Helicobasidium longisporum'' *''Helicobasidium peckii'' *''Helicobasidium purpureum'' *''Helicobasidium smilacinum'' *''Helicobasidium tanakae ''Helicobasidium'' is a genus of fungus in the family Helicobasidiaceae. Species *'' Helicobasidium albicans'' *'' Helicobasidium anomalum'' *'' Helicobasidium arboreum'' *'' Helicobasidium candidum'' *'' Helicobasidium cirratum'' *'' Helicoba ...'' References Basidiomycota genera H ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tuberculina
''Tuberculina'' is a genus of 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 ... in the family Helicobasidiaceae. Species *'' Tuberculina africana'' *'' Tuberculina akatii'' *'' Tuberculina ampelophila'' *'' Tuberculina andina'' *'' Tuberculina apiculata'' *'' Tuberculina arechavaletae'' *'' Tuberculina argillacea'' *'' Tuberculina costaricana'' *'' Tuberculina davisiana'' *'' Tuberculina dorsteniae'' *'' Tuberculina flavogranulata'' *'' Tuberculina fusicina'' *'' Tuberculina guaranitica'' *'' Tuberculina hyalospora'' *'' Tuberculina jaffueli'' *'' Tuberculina japonica'' *'' Tuberculina jonesii'' *'' Tuberculina malvacearum'' *'' Tuberculina maxima'' *'' Tuberculina ovalispora'' *'' Tuberculina pallida'' *'' Tuberculina pamparum'' *'' Tuberculina paraguayensis'' *'' Tuberc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helicobasidium Brebissonii
''Helicobasidium purpureum'' is a fungal plant pathogen which causes violet root rot in a number of susceptible plant hosts. It is synonymous with ''Helicobasidium brebissonii'' (Desm.) Donk. It is the teleomorph of ''Tuberculina persicina'' which is its mycoparasitic anamorph. Varieties There are three varieties: *''Helicobasidium purpureum var. barlae'' Bres. 1909 *''Helicobasidium purpureum var. orientale''Pat. 1920 *''Helicobasidium purpureum var. purpureum''(Tul.) Pat. 1885 Distribution ''Helicobasidium purpureum'' has a cosmopolitan distribution and is found in all regions in which its host plants grow. Host plants In the United Kingdom, colonies of ''Helicobasidium purpureum'' have been found on the living stems of dog's mercury (''Mercurialis perennis'') and stinging nettle (''Urtica dioica''). The fungus is also associated as a saprobe with decaying wood and stumps of broad leaf trees. Its rhizoctonian anamorph infects the roots of carrot (''Daucus carota''), p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pucciniomycetes
The Pucciniomycetes (formerly known as the Urediniomycetes) are a class of fungi in the Pucciniomycotina subdivision of the Basidiomycota. The class contains 5 orders, 21 families, 190 genera, and 8016 species. It includes several important plant pathogens causing forms of fungal rust. Characteristics Pucciniomycetes develop no basidiocarp, karyogamy occurs in a thick-walled resting spore (teliospore), and meiosis occurs upon germination of teliospore. They have simple septal pores without membrane caps and disc-like spindle pole bodies. Except for a few species, the basidia, when present, are transversally septate. Mannose is the major cell wall carbohydrate, glucose, fucose and rhamnose are the less prevalent neutral sugars and xylose Xylose ( grc, ξύλον, , "wood") is a sugar first isolated from wood, and named for it. Xylose is classified as a monosaccharide of the aldopentose type, which means that it contains five carbon atoms and includes an aldehyde f ... [...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] |
Monotypic Fungus Taxa
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispecific" or "monospecific" is sometimes preferred. In botanical nomenclature, a monotypic genus is a genus in the special case where a genus and a single species are simultaneously described. In contrast, an oligotypic taxon contains more than one but only a very few subordinate taxa. Examples Just as the term ''monotypic'' is used to describe a taxon including only one subdivision, the contained taxon can also be referred to as monotypic within the higher-level taxon, e.g. a genus monotypic within a family. Some examples of monotypic groups are: Plants * In the order Amborellales, there is only one family, Amborellaceae and there is only one genus, ''Amborella'', and in this genus there is only one species, namely ''Amborella trichopoda.'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Basidiomycota Orders
Basidiomycota () is one of two large divisions that, together with the Ascomycota, constitute the subkingdom Dikarya (often referred to as the "higher fungi") within the kingdom Fungi. Members are known as basidiomycetes. More specifically, Basidiomycota includes these groups: mushrooms, puffballs, stinkhorns, bracket fungi, other polypores, jelly fungi, boletes, chanterelles, earth stars, smuts, bunts, rusts, mirror yeasts, and ''Cryptococcus'', the human pathogenic yeast. Basidiomycota are filamentous fungi composed of hyphae (except for basidiomycota-yeast) and reproduce sexually via the formation of specialized club-shaped end cells called basidia that normally bear external meiospores (usually four). These specialized spores are called basidiospores. However, some Basidiomycota are obligate asexual reproducers. Basidiomycota that reproduce asexually (discussed below) can typically be recognized as members of this division by gross similarity to others, by the forma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2012-03-17 Helicobasidium Purpureum (Tul
1 (one, unit, unity) is a number representing a single or the only entity. 1 is also a numerical digit and represents a single unit of counting or measurement. For example, a line segment of ''unit length'' is a line segment of length 1. In conventions of sign where zero is considered neither positive nor negative, 1 is the first and smallest positive integer. It is also sometimes considered the first of the infinite sequence of natural numbers, followed by 2, although by other definitions 1 is the second natural number, following 0. The fundamental mathematical property of 1 is to be a multiplicative identity, meaning that any number multiplied by 1 equals the same number. Most if not all properties of 1 can be deduced from this. In advanced mathematics, a multiplicative identity is often denoted 1, even if it is not a number. 1 is by convention not considered a prime number; this was not universally accepted until the mid-20th century. Additionally, 1 is the s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Order (biology)
Order ( la, wikt:ordo#Latin, ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between Family_(biology), family and Class_(biology), class. In biological classification, the order is a taxonomic rank used in the classification of organisms and recognized by the nomenclature codes. An immediately higher rank, superorder, is sometimes added directly above order, with suborder directly beneath order. An order can also be defined as a group of related families. What does and does not belong to each order is determined by a taxonomist, as is whether a particular order should be recognized at all. Often there is no exact agreement, with different taxonomists each taking a different position. There are no hard rules that a taxonomist needs to follow in describing or recognizing an order. Some taxa are accepted almost universally, while others are recognized only rarely. The name of an order is usually written with a capital letter. Fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Family (biology)
Family ( la, familia, plural ') is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between order and genus. A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae, but that family is commonly referred to as the "walnut family". What belongs to a family—or if a described family should be recognized at all—are proposed and determined by practicing taxonomists. There are no hard rules for describing or recognizing a family, but in plants, they can be characterized on the basis of both vegetative and reproductive features of plant species. Taxonomists often take different positions about descriptions, and there may be no broad consensus across the scientific community for some time. The publishing of new data and opini ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rust Fungi
Rusts are plant diseases caused by pathogenic fungi of the order Pucciniales (previously known as Uredinales). An estimated 168 rust genera and approximately 7,000 species, more than half of which belong to the genus ''Puccinia'', are currently accepted. Rust fungi are highly specialized plant pathogens with several unique features. Taken as a group, rust fungi are diverse and affect many kinds of plants. However, each species has a very narrow range of hosts and cannot be transmitted to non-host plants. In addition, most rust fungi cannot be grown easily in pure culture. A single species of rust fungi may be able to infect two different plant hosts in different stages of its life cycle, and may produce up to five morphologically and cytologically distinct spore-producing structures viz., spermogonia, aecia, uredinia, telia, and basidia in successive stages of reproduction. Each spore type is very host specific, and can typically infect only one kind of plant. Rust fungi are o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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