Taxon

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Using GenBank data for plant identification: possibilities and limitations using the ITS 1 of Asteraceae species belonging to the tribes Lactuceae and Anthemideae
Taxon - Tập 55 Số 1 - Trang 173-187 - 2006
Birgit Gemeinholzer, Christoph Oberprieler, Konrad Bachmann
AbstractAs a contribution to establish taxonomic identification methods using DNA sequence data, we evaluate to which extent the present set‐up of the nucleotide databases (NCBI, EBI, GenomeNet) allows to use them for reliable routine plant identification applying the implemented sequence similarity and homology search tools. We screened newly determined ITS 1 sequences from Asteraceae (tribes Lac... hiện toàn bộ
CLASSIFICATION AND NOMENCLATURE OF WOODS OF PALAEOZOIC PYCNOXYLIC PLANTS
Taxon - Tập 15 Số 2 - Trang 66-70 - 1966
V. G. Lepekhina, A. A. Yatsenko‐Khmelevsky
PSILOPHYTON PRINCEPS: THE SEARCH FOR ORGANIC CONNECTION
Taxon - Tập 16 Số 2 - Trang 81-85 - 1967
Francis M. Hueber, Harlan P. Banks
ZUR NOMENKLATUR DER FOSSILEN HOLZGATTUNG DADOXYLON ENDLICHER 1847
Taxon - Tập 13 Số 7 - Trang 233-237 - 1964
Dieter Vogellehner
A review of the application of the name Quercus dalechampii
Taxon - Tập 61 Số 6 - Trang 1311-1316 - 2012
Romeo Di Pietro, Vincenzo Viscosi, Lorenzo Peruzzi, Paola Fortini
AbstractEuropean taxonomists are divided regarding Quercus dalechampii, considering it either: (1) a distinct species close to Q. petraea, (2) a distinct species close to Q. pubescens, or (3) falling within the morphological variability of previously described species, including Q. petraea and Q. pubescens. These taxonomic disagreements are largely due to inconsistencies between the description of... hiện toàn bộ
PHƯƠNG PHÁP MỚI ĐỂ ƯỚC TÍNH SỰ BẤT ĐỐI XỨNG KARYOTYPE Dịch bởi AI
Taxon - Tập 35 Số 3 - Trang 526-530 - 1986
Carlos Romero Zarco
Tóm tắt Hai tham số số học được sử dụng để ước tính sự bất đối xứng karyotype trong hai mươi hai taxon của tông Aveneae (Gramineae) từ Bán đảo Iberia và Baleares. Phương pháp mới này hữu ích khi chỉ có sự khác biệt rất nhỏ trong sự bất đối xứng karyotype và khi có thể sử dụng karyogram hoặc idiogram.
#karyotype asymmetry #Aveneae #Gramineae #Iberian Peninsula #Baleares #numerical parameters
A classification of Selaginella (Selaginellaceae) based on molecular (chloroplast and nuclear), macromorphological, and spore features
Taxon - Tập 64 Số 6 - Trang 1117-1140 - 2015
Xin‐Mao Zhou, Li‐Bing Zhang
AbstractThe largest genus of seed‐free vascular plants Selaginella alone constitutes t he family Selaginellaceae, the largest of the lycophyte families. The genus is estimated to contain ca. 800 species distributed on all continents except Antarctica, with the highest species diversity in tropical and subtropical regions. The monophyly of Selaginella has rarely been doubted, in contrast its infrag... hiện toàn bộ
Phylogenetic relationships and sectional delineation within Gentiana (Gentianaceae)
Taxon - Tập 69 Số 6 - Trang 1221-1238 - 2020
Adrien Favre, James S. Pringle, Jacqueline Heckenhauer, Ekaterina Kozuharova, Qingbo Gao, Emily Moriarty Lemmon, Alan R. Lemmon, Hang Sun, Natalia Tkach, Sebastian Gebauer, Shan‐Shan Sun, Peng‐Cheng Fu
AbstractGentiana is a sub‐cosmopolitan temperate genus among the most species‐rich in Gentianaceae. Although molecular data (produced via Sanger sequencing) allowed the resolution of phylogenetic relationships between Gentiana and other genera in subtribe Gentianinae, the validity of sections within the genus remains largely untested. In this study, we evaluated the monophyly of all 14 sections at... hiện toàn bộ
Molecular phylogeny and biogeography of Gentiana sect. Cruciata (Gentianaceae) based on four chloroplast DNA datasets
Taxon - Tập 58 Số 3 - Trang 862-870 - 2009
Xiaolan Zhang, Yujin Wang, Xue‐Jun Ge, Yong‐Ming Yuan, Huiling Yang, Jianquan Liu
AbstractGentiana sect. Cruciata is mainly found on alpine mountains across Eurasia, with the greatest species diversity occurring on the Qinghai‐Tibetan Plateau (QTP). In this study, we determined the phylogenetic relationships between species within the Cruciata section to further elucidate the biogeographical processes governing these relationships. Phylogenetic reconstructions, based on both pa... hiện toàn bộ
Molecular phylogenetics and morphology of Beaucarnea (Ruscaceae) as distinct from Nolina, and the submersion of Calibanus into Beaucarnea
Taxon - Tập 63 Số 6 - Trang 1193-1211 - 2014
Vanessa Rojas-Piña, Mark E. Olson, Leonardo O. Alvarado‐Cárdenas, Luis E. Eguiarte
AbstractDespite the economic importance and longstanding worldwide commercialization of representatives of the Beaucarnea lineage, it remains poorly known systematically. One of the main systematic problems is lack of certainty regarding the validity of the genus itself. Some authors consider Beaucarnea a synonym of its close relative Nolina, whereas others consider Beaucarnea a distinct genus. In... hiện toàn bộ
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