Results 31 to 40 of about 331,822 (331)
The taxlist package: managing plant taxonomic lists in R
Taxonomic lists are crucial elements of vegetation-plot databases and provide the links between original entries, reference taxon views and different taxon concepts.
Miguel Alvarez, Federico Luebert
doaj +3 more sources
Pseudobankesia keersmaekersi sp. n. (Lepidoptera, Psychidae, Taleporiinae) is described from Greece and compared with its likely close relatives Pseudobankesia arahova Stengel, 1990 and Pseudobankesia darwinii Stengel, 1990.
Wilfried R. Arnscheid, Hans Henderickx
doaj +3 more sources
On a Non-Discrete Concept of Prokaryotic Species
The taxonomic concept of species has received continuous attention. A microbial species as a discrete box contains a limited number of highly similar microorganisms assigned to that taxon, following a polyphasic approach.
Juan M. Gonzalez +3 more
doaj +1 more source
Pseudopaludicola ternetzi (Anura: Leiuperidae): two lectotypes for the same taxon [PDF]
Pseudopaludicola ternetzi was described on the basis of an undefined number of syntypes, but involving males and females (Miranda-Ribeiro 1937). Since Miranda-Ribeiro described this species, several taxonomic considerations were made on it.
Baldo, Juan Diego, Cardozo, Dario Elbio
core +2 more sources
Taxonomical bias for the intensity of research in natural sciences is well documented but less data exists for crop protection, weed and phytopathology sciences.
Václav STEJSKAL, Alois HONĚK
doaj +1 more source
EM for phylogenetic topology reconstruction on non-homogeneous data [PDF]
Background: The reconstruction of the phylogenetic tree topology of four taxa is, still nowadays, one of the main challenges in phylogenetics. Its difficulties lie in considering not too restrictive evolutionary models, and correctly dealing with the ...
Casanellas, Marta, Ibáñez, Esther
core +6 more sources
Winter grafting of oaks Quercus L.
In the years 1999-2004 the propagation technology of winter grafting was studied in five oak taxa: Quercus frainetto, Q. macranthera, Q. pubescens ssp. anatolica, Q. virgiliana and Q. robur Fastigiata.
J. Obdržálek, J. Jílková
doaj +1 more source
Neoteny of the European plane tree [PDF]
The neoteny of 64-day-old European plane tree autovegetative progeny is described, starting from the fact that sexual maturity in the juvenile stage of tree development is a rare and significant process by which the period of synthesis of new lower ...
Ocokoljić Mirjana +3 more
doaj +1 more source
Virus taxonomy: the database of the International Committee on Taxonomy of Viruses (ICTV) [PDF]
The International Committee on Taxonomy of Viruses (ICTV) is charged with the task of developing, refining, and maintaining a universal virus taxonomy.
Dempsey, Donald M. +5 more
core +3 more sources
Phototrophs evolved light‐harvesting systems adapted for efficient photon capture in habitats enriched in far‐red radiation. A subset of eukaryotic pigment‐binding proteins can absorb far‐red photons via low‐energy chlorophyll states known as red forms.
Antonello Amelii +8 more
wiley +1 more source

