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Showing 54851 to 54900 of 59105 works

Re-instatement of Sorbus harrowiana (Rosaceae), based on morphometric analysis

Sorbus harrowiana (≡Pyrus harrowiana), previously considered a synonym of Sorbus insignis (≡Pyrus insignis) in the Flora of China, is re-instated here and shown to be distinct fro…

Long- and Short-Term Monitoring of a Dam in Response to Seasonal Changes and Ground Motion Loading: The Test Case of th…

An experimental multi-parameter structural monitoring system has been installed on the Kurpsai dam, western Kyrgyz Republic. This system consists of equipment for seismic and stra…

A reappraisal of Adinobotrys Dunn (Fabaceae) with two new combinations

Two new species from Borneo that have been described in the genus Callerya are shown here to belong in Adinobotrys. The new combinations A. katinganensis and A. sarawakensis have …

Phylogenetic relationships of 'Polyalthia' in Fiji

The genus Polyalthia (Annonaceae) has undergone dramatic taxonomic changes in recent years. Nine Polyalthia species have historically been recognized in Fiji, all of which have su…

The Morelloid clade of Solanum L. (Solanaceae) in Argentina: nomenclatural changes, three new species and an updated ke…

Since the publication of the Solanaceae treatment in “Flora Argentina” in 2013 exploration in the country and resolution of outstanding nomenclatural and circumscription issues ha…

Imprint of dead-ice environment at the fringe of the last Scandinavian Ice Sheet, N Poland: Landforms and their interna…

[…] Die Studie untersucht die Landschaftsentwicklung während des Rückzugs des letzten skandinavischen Eisschildes in Nordpolen, insbesondere die Entstehung und Zusammensetzung gla…

A new synonym from Hawaii and lectotypification of Plagiothecium longisetum (Plagiotheciaceae)

Plagiothecium mauiense was first described in 1927 by V.F. Brotherus, based on materials from Hawaii. It has, so far been, treated as a separate species. A detailed analysis of th…

Revisiting the taxonomy of Dioclea and related genera (Leguminosae, Papilionoideae), with new generic circumscriptions

The Dioclea clade comprises four genera and aproximately 60 species of the tribe Diocleae: Cleobulia (4 species), Cymbosema (1), Dioclea (ca. 50), Luzonia (1) and Macropsychanthus…

Checklist of the grasses of India

A checklist of the grasses of India is presented, as compiled from survey of all available literature. Of the twelve subfamilies of grasses, ten are represented in India. Most sub…

From chaos to order: the life history of Hannaea inaequidentata (Lagerstedt) Genkal and Kharitonov (Bacillariophyta), f…

This study presents observations on three species of Hannaea and documents and illustrates the life history of H. inaequidentata. We have divided the life history of H. inaequiden…

[Neue Nr. 6418] Birkenau / Geologische Karte

Geologische Karte 1: 25 000 mit Erläuterungen. Digitalisat des FID GEO (Fachinformationsdienst Geowissenschaften der festen Erde), erstellt durch das GDZ (Göttinger Digitalisierun…

Primulina jiuyishanica (Gesneriaceae), a new species from Hunan, China

Primulina jiuyishanica K. Liu, D.C. Meng & Z.B. Xin, a new species of Gesneriaceae from Hunan, China, is described and illustrated. The new species is morphologically similar to P…

Changes in food characteristics reveal indirect effects of lake browning on zooplankton performance

Browning caused by colored dissolved organic matter is predicted to have large effects on aquatic ecosystems. However, there is limited experimental evidence about direct and indi…

Diplodiscus latifii (Malvaceae-Brownlowioideae), a new species from Sabah, Malaysia

A new species of Diplodiscus is described and illustrated from one collection made in lowland mixed dipterocarp forest in Sabah, Malaysia. Conspicuous by its twig colour, leaf sha…

New combinations and synonyms in Rehderodendron (Styracaceae)

We demonstrate with morphological characters that the species Pterostyrax burmanicus W.W.Sm. & Farrer and Parastyrax macrophyllus C.Y.Wu & K.M.Feng (Styracaceae) are best placed i…

Rediscovery of Angiopteris tonkinensis (Marattiaceae) after 100 years, and its revision

The border area between south-eastern Yunnan, China and northern Vietnam is one of the regions with richest biological diversity including that of the fern genus Angiopteris (Mara…

Das Paläozoikum Estlands - Geologische Reiseeindrücke

[…] Vom 16.–25. Juni 1995 fand eine geologische Fachexkursion unter der Leitung von Mitarbeitern des Geologischen Dienstes Estlands zu Aufschlüssen im Paläozoikum und Quartär an d…

Cluster analysis of karyotype similarity coefficients in Epimedium (Berberidaceae): insights in the systematics and evo…

In order to evaluate the genome evolution and systematics, karyotype analysis of mitotic metaphase chromosomes in 51 taxa of Epimedium and two species of Vancouveria was conducted…

Continental diatom biodiversity discovery and description in China: 1848 through 2019

In this paper we inventory the continental diatom taxa described from inland waters in China, from the first species descriptions dating back to 1848 through 2019. China’s geograp…

New U–Pb zircon ages of Nyong Complex meta‐plutonites: Implications for the Eburnean/Trans‐Amazonian Orogeny in southwe…

New LA–ICP–MS U–Pb zircon ages from the Nyong Complex of southwestern Cameroon—a part of the West Central African Fold Belt—trace Late Mesoarchean (∼2,850 Ma), Middle Palaeoproter…

A new taxon within Biscutella laevigata L. (Brassicaceae) endemic to calamine areas in southern Poland

A new taxon Biscutella laevigata subsp. woycickii (Brassicaceae) is described from southern Poland. The taxon is similar to B. laevigata subsp. gracilis, but differs in having thi…

A checklist of vascular plants and uses of some species for livelihood-making in Setiu Wetlands, Terengganu, Malaysia

The Setiu Wetlands, a unique area with nine interconnected habitats, comprises a considerable fraction of the total Peninsular Malaysia’s wetland flora. Although botanical collect…

Spatial variability in river bed porosity determined by nuclear density gauging: A case study from a French gravel‐bed …

Porosity is one of the key properties of fluvial sediments. It is defined as the ratio of pore volume to total volume. In river science, porosity is often assumed to be spatially …

Distribution pattern and habitat preference for Lobelia species (Campanulaceae) in five countries of East Africa

East Africa is one of the centres of distribution and diversity for Lobelia L. (Campanulaceae, sub-family Lobelioideae). Lobelia habitats in East Africa have been facing habitat f…

Phylogeny and species delimitation in Silene sect. Arenosae (Caryophyllaceae): a new section

A putatively monophyletic group of annual Silene species is revised taxonomically and described as the new section S. sect. Arenosae. The species of this section were previously t…

Huminstoffe und ihre Wirkungsmöglichkeiten in der Balneologie

Auf die besondere Beweislage zum Problem "Huminstoffe und ihre Wirkungsmöglichkeiten in der Balneologie" wird hingewiesen. Hierzu werden die notwendigen experimentellen Vorausse…

Zur Deutung eines neuentdeckten interglazialen Seeton-Vorkommens im Berchtesgadener Land

Es wird die Ansicht von Ganss (1953), die Höhenlage eines von ihm aufgefundenen Seeton-Vorkommens in 870 m NN setze eine gewaltige (350 m mächtige) interglaziale Zuschüttung des B…

The taxonomic identity of Didymostigma trichanthera (Gesneriaceae)

Based on consulting original literature, the examination of specimens, and field investigations, Didymostigma trichanthera is shown to be conspecific with Henckelia anachoreta. Th…

Petrocosmea nanchuanensis (Gesneriaceae), a new species from Chongqing, China

A new species, Petrocosmea nanchuanensis Z.Y. Liu, Z.Y. Li & Z.J. Qiu from Mt. Jinfo at Banhe valley of Nanchuan District in Chongqing Municipality (China) is described and illust…

Oreocharis jasminina (Gesneriaceae), a new species from mountain tops of Hainan Island, South China

A new species of Gesneriaceae, Oreocharis jasminina S.J.Ling, F.Wen & M.X. Ren from Hainan Island, south China, is highlighted and described. The new species is distinguished by i…

Hydrological modelling for assessing spatio‐temporal groundwater recharge variations in the water‐stressed Amathole Wat…

Abstract To increase the resilience of regional water supply systems in South Africa in the face of anticipated climatic changes and a constant increase in water demand, water sup…

Genetic delimitation of Oreocharis species from Hainan Island

Hainan Island harbours an extraordinary diversity of Gesneriaceae with 14 genera and 23 species, amongst which two species and one variety are recognised in the genus Oreocharis. …

Reassessment of Bournea Oliver (Gesneriaceae) based on molecular and palynological evidence

The former genus Bournea is endemic to China, including two species, has been under consideration for incorporation into the expanded genus Oreocharis s.l. in Gesneriaceae. The ph…

Älteres wirbeltierführendes Mittelpleistozän am Hillesheimer Horst (Mainzer Becken)

Sand- und Geröllmergel zweier Vorkommen am Südostrand des Hillesheimer Rotliegend-Horstes (nördlich und nordöstlich von Dorn-Dürkheim, Rheinhessen, Rheinland-Pfalz) werden nach …

Biogeography and evolution of Asian Gesneriaceae based on updated taxonomy

Based on an updated taxonomy of Gesneriaceae, the biogeography and evolution of the Asian Gesneriaceae are outlined and discussed. Most of the Asian Gesneriaceae belongs to Didymo…

Experimental Investigation of Apollo 16 “Rusty Rock” Alteration by a Lunar Fumarolic Gas

The Apollo 16 sample 66095, named “Rusty Rock”, is enriched in volatile and moderately volatile elements. The impact melt breccia is characterized by abundant Fe‐rich sulfide and …

A novelty in Ceratozamia (Zamiaceae, Cycadales) from the Sierra Madre del Sur, Mexico: biogeographic and morphological …

Ceratozamia is a genus of cycads occurring in eastern Mexico and Central America. In this study, we describe a new species from the Pacific region of Mexico in Guerrero state. Thi…

FlorItaly – the portal to the Flora of Italy

Digital data concerning the flora of Italy are largely fragmented among different resources hosted on different platforms, and often with different data standards, which are neith…

Geochemische Untersuchungen an Erz- und Gangartmineralen des Harzes

Die Hauptmineralisationsphase des Oberharzes ist u.a. charakterisiert durch Karbonat-Suifid Bändererztrümer. Die post-orogenen Vererzungen sitzen überwiegend WNW-ESE streichenden …

Geum sunhangii (Rosaceae), a new species from Hubei Province, China

Geum sunhangii – first discovered in Shennongjia National Nature Reserve, Hubei Province, China – is described as a new species of Rosaceae. Compared to all known Chinese Geum spe…

Comparative wood anatomy of Korean Viburnum L. (Adoxaceae) and its taxonomic implication

Comparative wood anatomy of Viburnum was carried out to understand the differences in wood features amongst the species which might be useful for taxonomic discrimination in the g…

Lectotypification of the name Stereodon nemoralis Mitt. (Plagiotheciaceae), a basionym of Plagiothecium nemorale (Mitt.…

In 1859, William Mitten described Stereodon nemoralis (≡ Plagiothecium nemorale) based on the gathering of Sir J.D. Hooker from India. However, the protologue did not indicate any…

Typification and taxonomic remarks on five species names in Cytisus (Fabaceae)

This paper deals with the typification and taxonomy of five Mediterranean Cytisus species. Cytisus affinis, C. candidus, and C. spinescens nom. illeg., non Sieber ex Spreng. were …

An annotated checklist of the vascular flora of South and North Nandi Forests, Kenya

We compiled a checklist of the flora of South and North Nandi forests based on literature, online databases, herbarium collections and floristic field surveys. A combination of ge…

Zapałowicz’s Conspectus florae Galiciae criticus: Clarification of publication dates for nomenclatural purposes and bib…

Work on the catalogue of type specimens of vascular plants deposited in the KRAM herbarium has highlighted uncertainties and errors in references to place of valid publication of …

[Neue Nr. 4431] Stolberg [Stolberg am Harz] / Geologische Karte

Geologische Karte 1: 25 000 mit Erläuterungen. Digitalisat des FID GEO (Fachinformationsdienst Geowissenschaften der festen Erde), erstellt durch das GDZ (Göttinger Digitalisierun…

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