نتایج جستجو برای: infrageneric taxa
تعداد نتایج: 30871 فیلتر نتایج به سال:
Infrageneric relations of the genetically diverse milkcap genus Lactifluus (Russulales, Basidiomycota) are poorly known. Currently used classification systems still largely reflect the traditional, mainly morphological, characters used for infrageneric delimitations of milkcaps. Increased sampling, combined with small-scale molecular studies, show that this genus is underexplored and in need of...
The Lecanoromycetes is the largest class of lichenized Fungi, and one of the most species-rich classes in the kingdom. Here we provide a multigene phylogenetic synthesis (using three ribosomal RNA-coding and two protein-coding genes) of the Lecanoromycetes based on 642 newly generated and 3329 publicly available sequences representing 1139 taxa, 317 genera, 66 families, 17 orders and five subcl...
Leptogium (Ach.) Gray is a cosmopolitan genus of lichen-forming ascomycetes classified in the Collemataceae and represented by c. 250 species with about 40 infrageneric taxa found in Europe (Aragón & al., 2005). Several complexes have been studied within this morphologically and anatomically heterogeneous genus by different authors (Jørgensen, 1975, 1994, 1997; Jørgensen & James, 1983; Jørgense...
Developmental genes are believed to contribute to major changes during plant evolution, from infrageneric to higher levels. Due to their putative high sequence conservation, developmental genes are rarely used as molecular markers, and few studies including these sequences at low taxonomic levels exist. WUSCHEL-related homeobox genes (WOX) are transcription factors exclusively present in plants...
Abstract Diatoms constitute a representative portion of the algal community freshwater aquatic environments, but their studies are centered mostly in south and southern regions Brazil, making microalgae biodiversity water bodies semiarid practically unknown. In state Ceará, few records Bacillariaceae region generally not identified at specific level. Denticula, Hantzschia, Tryblionella worldwid...
PREMISE OF THE STUDY Large genera provide remarkable opportunities to investigate patterns of morphological evolution and historical biogeography in plants. A molecular phylogeny of the species-rich and morphologically and ecologically diverse genus Mimosa was generated to evaluate its infrageneric classification, reconstruct the evolution of a set of morphological characters, and establish the...
We present a five-locus 129-species phylogeny of Rutaceae from subfamily Zanthoxyloideae, with 193 ingroup samples representing 128 species all 18 genera in the Eriostemon Group and focus on generic infrageneric limits Phebalium its allies. Maximum parsimony Bayesian inference analyses were performed using three plastid markers (psbA–trnH, trnL–trnF, rbcL) two nuclear ribosomal (ITS, ETS). Aste...
The internal transcribed spacer (ITS) of ribosomal DNA has been used to confirm taxonomic classifications and define phylogenies in several plant species following sequencing or polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) techniques. In this study, co-dominant ITS PCR-RFLP molecular markers were produced in 30 Fagaceae individuals belonging to the Castanea, Fag...
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