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Scutula
''Scutula'' is a genus of lichenicolous fungi in the family Ramalinaceae. Taxonomy The genus ''Scutula'' was circumscribed by French botanist Louis René Étienne Tulasne in 1862. The limits of the generic circumscription as well as the limits of certain species in ''Scutula'' was confused for a long time. In 1997, Triebel and colleagues applied the name ''Scutula'' specifically to a group of species growing on hosts of the Lecanorales suborder Peltigerineae, a monophyletic grouping of cyanobacteria-associated lichens. Before this, ''Scutula'' was applied to a diverse set of unrelated lichenicolous fungi featuring hyaline spores with a single septum and sessile apothecia. Once classified in the family Micareaceae, molecular phylogenetic analysis showed ''Scutula'' to be nested within the Ramalinaceae, closely related to the genus '' Toninia''. This familial placement has been accepted in recent large-scale updates of fungal classifications. Description ''Scutula'' species ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Scutula Wallrothii
''Scutula'' is a genus of lichenicolous fungi in the family Ramalinaceae. Taxonomy The genus ''Scutula'' was circumscription (taxonomy), circumscribed by French botanist Louis René Étienne Tulasne in 1862. The limits of the generic circumscription as well as the limits of certain species in ''Scutula'' was confused for a long time. In 1997, Triebel and colleagues applied the name ''Scutula'' specifically to a group of species growing on host (biology), hosts of the Lecanorales suborder Peltigerineae, a monophyletic grouping of cyanobacteria-associated lichens. Before this, ''Scutula'' was applied to a diverse set of unrelated lichenicolous fungi featuring hyaline spores with a single septum and sessility (botany), sessile apothecia. Once classified in the family Micareaceae, molecular phylogenetic analysis showed ''Scutula'' to be nested within the Ramalinaceae, closely related to the genus ''Toninia''. This familial placement has been accepted in recent large-scale updates of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Thallus
Thallus (: thalli), from Latinized Greek (), meaning "a green shoot" or "twig", is the vegetative tissue of some organisms in diverse groups such as algae, fungi, some liverworts, lichens, and the Myxogastria. A thallus usually names the entire body of a multicellular non-moving organism in which there is no organization of the tissues into organs. Many of these organisms were previously known as the thallophytes, a polyphyletic group of distantly related organisms. An organism or structure resembling a thallus is called thalloid, thalloidal, thalliform, thalline, or thallose. Even though thalli do not have organized and distinct parts ( leaves, roots, and stems) as do the vascular plants, they may have analogous structures that resemble their vascular "equivalents". The analogous structures have similar function or macroscopic structure, but different microscopic structure; for example, no thallus has vascular tissue. In exceptional cases such as the Lemnoideae, where th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Scutula Heeri
''Scutula'' is a genus of lichenicolous fungi in the family Ramalinaceae. Taxonomy The genus ''Scutula'' was circumscribed by French botanist Louis René Étienne Tulasne in 1862. The limits of the generic circumscription as well as the limits of certain species in ''Scutula'' was confused for a long time. In 1997, Triebel and colleagues applied the name ''Scutula'' specifically to a group of species growing on hosts of the Lecanorales suborder Peltigerineae, a monophyletic grouping of cyanobacteria-associated lichens. Before this, ''Scutula'' was applied to a diverse set of unrelated lichenicolous fungi featuring hyaline spores with a single septum and sessile apothecia. Once classified in the family Micareaceae, molecular phylogenetic analysis showed ''Scutula'' to be nested within the Ramalinaceae, closely related to the genus ''Toninia''. This familial placement has been accepted in recent large-scale updates of fungal classifications. Description ''Scutula'' species are ch ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Anamorph
In mycology, the terms teleomorph, anamorph, and holomorph apply to portions of the life cycles of fungi in the phyla Ascomycota and Basidiomycota: *Teleomorph: the sexual reproductive stage (morph), typically a fruiting body. *Anamorph: an asexual reproductive stage (morph), often mold-like. When a single fungus produces multiple morphologically distinct anamorphs, these are called synanamorphs. *Holomorph: the whole fungus, including anamorphs and teleomorph. The terms were introduced in 1981 to simplify the discussion of the procedures of the existing dual-naming system, which (1) permitted anamorphs to have their separate names but (2) treated teleomorphic names as having precedence for being used as the holomorphic name. The ''Melbourne Code'' removes the provisions and allows all names to compete on equal footing for priority as the correct name of a fungus, and hence does not use the term ''holomorph'' any more. Dual naming of fungi Fungi are classified primarily based o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Ascospore
In fungi, an ascospore is the sexual spore formed inside an ascus—the sac-like cell that defines the division Ascomycota, the largest and most diverse Division (botany), division of fungi. After two parental cell nucleus, nuclei fuse, the ascus undergoes meiosis (halving of genetic material) followed by a mitosis (cell division), ordinarily producing eight genetically distinct haploid spores; most yeasts stop at four ascospores, whereas some moulds carry out extra post-meiotic divisions to yield dozens. Many asci build turgor, internal pressure and shoot their spores clear of the calm boundary layer, thin layer of still air enveloping the fruit body, whereas subterranean truffles depend on animals for biological dispersal, dispersal. Ontogeny, Development shapes both form and endurance of ascospores. A hook-shaped crozier aligns the paired nuclei; a double-biological membrane, membrane system then parcels each daughter nucleus, and successive wall layers of β-glucan, chitosan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
