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Helvella Vespertina
''Helvella vespertina'' is a species of fungus in the family Helvellaceae. It is found in Western North America under conifers. Some specimens have a white moldy appearance, having been colonised by the parasitic Ascomycete fungus ''Hypomyces cervinigenus ''Hypomyces cervinigenus'' is a parasitic ascomycete fungus that grows on elfin saddle ('' Helvella'') mushrooms in Europe and North America. It was described as new to science in 1971 by Clark Rogerson and Horace Simms. The type collection w ...''. References External links * vespertina Fungi described in 2013 Fungi of North America {{Pezizomycetes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fungus
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'' (''true f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helvellaceae
The Helvellaceae are a family of ascomycete fungi, the best-known members of which are the elfin saddles of the genus '' Helvella''. Originally erected by Elias Magnus Fries in 1823 as ''Elvellacei'', it contained many genera. Several of these, such as ''Gyromitra'' and '' Discina'', have been found to be more distantly related in a molecular study of ribosomal DNA by mycologist Kerry O'Donnell in 1997, leaving a much smaller core clade now redefined as Helvellaceae. Instead, this narrowly defined group is most closely related to the true truffles of the Tuberaceae. Although the ''Dictionary of the Fungi'' (10th edition, 2008) considered the Helvellaceae to contain six genera and 63 species, genetic analysis has shown that ''Leucangium'', previously classified in this family, is more closely related to the Morchellaceae The Morchellaceae are a family of ascomycete fungi in the order Pezizales. According to a standard reference work, the family has contained at least 49 specie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ascomycete
Ascomycota is a phylum of the kingdom Fungi that, together with the Basidiomycota, forms the subkingdom Dikarya. Its members are commonly known as the sac fungi or ascomycetes. It is the largest phylum of Fungi, with over 64,000 species. The defining feature of this fungal group is the " ascus" (), a microscopic sexual structure in which nonmotile spores, called ascospores, are formed. However, some species of the Ascomycota are asexual, meaning that they do not have a sexual cycle and thus do not form asci or ascospores. Familiar examples of sac fungi include morels, truffles, brewers' and bakers' yeast, dead man's fingers, and cup fungi. The fungal symbionts in the majority of lichens (loosely termed "ascolichens") such as ''Cladonia'' belong to the Ascomycota. Ascomycota is a monophyletic group (it contains all descendants of one common ancestor). Previously placed in the Deuteromycota along with asexual species from other fungal taxa, asexual (or anamorphic) ascomycetes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hypomyces Cervinigenus
''Hypomyces cervinigenus'' is a parasitic ascomycete fungus that grows on elfin saddle ('' Helvella'') mushrooms in Europe and North America. It was described as new to science in 1971 by Clark Rogerson and Horace Simms. The type collection was made in Pierce County, Washington, where the fungus was found growing on the stipe and cap of what they identified as a fruit body of '' Helvella lacunosa''; later molecular work demonstrated that the European ''H. lacunosa'' is not found in North America, and that the North American versions are in fact two similar species, '' H. vespertina'' and '' H. dryophila''. ''H. cervinigenus'' has perithecia that are white to pale buff with a waxy texture. The ascospore An ascus (; ) is the sexual spore-bearing cell produced in ascomycete fungi. Each ascus usually contains eight ascospores (or octad), produced by meiosis followed, in most species, by a mitotic cell division. However, asci in some genera or ...s ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helvella
''Helvella'' is a genus of ascomycete fungus of the family Helvellaceae. The mushrooms, commonly known as elfin saddles, are identified by their irregularly shaped caps, fluted stems, and fuzzy undersurfaces. They are found in North America and in Europe. Well known species include the whitish '' H. crispa'' and the grey '' H. lacunosa''. They have been reported to cause gastrointestinal symptoms when eaten raw. Description Species in ''Helvella'' have fruiting bodies (technically ascocarps) that grow above the ground, and usually have stems. The cup-like fruiting body (the ''apothecium'') can assume a variety of forms: it may be shaped like an ear (''auriculate''), or a saddle; it may be convex or irregularly lobed and bent. The spore-bearing surface, the hymenium, can be smooth, wavy or wrinkled and can range in color from white to black or various shades of gray or brown. Similarly, the outer surface of the fruiting bodies can be smooth, ribbed, or have minute hairlike projec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fungi Described In 2013
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'' (''true f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
