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Both codes consider the first part of the two-part name for a species to be the "generic name". In the zoological code (ICZN), the second part of the name is a "specific name". In the botanical code (ICNafp), it is a "specific epithet". Together, these two parts are referred to as a "species name" or "binomen" in the zoological code: or ...
The abbreviation for species is sp. (plural spp.) and is used after a generic epithet to indicate a species of that genus. Often used to denote a strain of a genus for which the species is not known either because the organism has not been described yet as a species or insufficient tests were conducted to identify it.
species aggregate or aggregate species: a grouping of closely related species that are treated like a single species for practical purposes; alliance: a group of species or genera that have at some time been considered provisionally related; conspecific: of the same species; e. g. of two taxa previously thought to be different species
Species affinis (commonly abbreviated to: sp., aff., or affin. ) is taxonomic terminology in zoology and botany . In open nomenclature it indicates that available material or evidence suggests that the proposed species is related to, has an affinity to, but is not identical to, the species with the binomial name it comes after. [ 1 ]
Pseudomonas species also typically give a positive result to the oxidase test, the absence of gas formation from glucose, glucose is oxidised in oxidation/fermentation test using Hugh and Leifson O/F test, beta hemolytic (on blood agar), indole negative, methyl red negative, Voges–Proskauer test negative, and citrate positive.
A species description is a formal scientific description of a newly encountered species, typically articulated through a scientific publication. Its purpose is to provide a clear description of a new species of organism and explain how it differs from species that have been previously described or related species.
The International Code of Phylogenetic Nomenclature, known as the PhyloCode for short, is a formal set of rules governing phylogenetic nomenclature. Its current version is specifically designed to regulate the naming of clades , leaving the governance of species names up to the rank-based nomenclature codes ( ICN , ICNCP , ICNP , ICZN , ICVCN ).
The following is a list of species of the agaric genus Amanita.This genus contains over 500 named species and varieties and follows the classification of subgenera and sections of Amanita outline by Corner and Bas; Bas, [1] [2] as used by Tulloss (2007) and modified by Redhead & al. (2016) [3] for Amanita subgenus Amanitina and Singer for Amanita section Roanokenses.