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Showing 55051 to 55100 of 59105 works

Slopes of Lunar Crater Size‐Frequency Distributions at Copernican‐Aged Craters

<title xmlns:mml="http://www.w3.org/1998/Math/MathML">Abstract</title><p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">Craters on the lunar surface can provide valu…

Phryna hamzaoglui Koç & Budak (Caryophyllaceae), a new species from Central Anatolia, Turkey

A new species Phryna hamzaoglui was discovered in Hekimhan (Turkey, Malatya province) where it grows on hillsides. The P. hamzaoglui and P. ortegioides were compared with each oth…

A series of unfortunate events: the forgotten botanist and the misattribution of a type collection

In 1777, Spain sent The Royal Expedition to Peru and Chile, commonly referred to as the “Ruiz and Pavón Expedition”, to document the flora of this richly diverse part of its colon…

Togo National Herbarium database

This article describes the herbarium database of the University of Lomé. The database provides a good representation of the current knowledge of the flora of Togo. The herbarium o…

Zu Pumpversuchen in Tiefbrunnen - eine idealisierte Betrachtung für den Buntsandstein der Pfälzer Mulde

Der Buntsandstein der Pfälzer Mulde stellt einen der bedeutenden Trinkwassergewinnungsräume in Rheinland-Pfalz dar. Das Grundwasser wurde in den letzten Jahrzehnten in zunehmend…

Taxonomic status of Populus wulianensis and P. ningshanica (Salicaceae)

Species delimitation in the genus Populus is particularly challenging due to high levels of intraspecific polymorphism as well as frequent interspecific hybridisation and introgre…

Nomenclatural review of Acalypha (Euphorbiaceae) of the Western Indian Ocean Region (Madagascar, the Comoros Archipelag…

This work presents a critical nomenclatural review of the Acalypha species of the Western Indian Ocean Region (Madagascar, the Comoros Archipelago, the Mascarene Islands and the S…

Total evidence phylogeny of Pontederiaceae (Commelinales) sheds light on the necessity of its recircumscription and syn…

A total evidence phylogeny for Pontederiaceae is herein presented based on new morphological and previously published molecular data. Our results led us to re-circumscribe Pontede…

A new black nightshade (Morelloid clade, Solanum, Solanaceae) from the caatinga biome of north-eastern Brazil with a ke…

Solanum caatingae sp. nov. is described from the arid caatinga biome of north-eastern Brazil. It is known from only a few specimens, but these were found amongst the many sheets o…

Evidence from checklists for a Holarctic (circumboreal) kingdom of diatoms

Published checklists of freshwater diatoms that represent the American Northwest, Laurentian Great Lakes, Germany and the South Polar Region were compared systematically and the n…

Combining reverse Monte Carlo analysis of X‐ray scattering and extended X‐ray absorption fine structure spectra of very…

Finite size effects in partial pair distribution functions generate artefacts in the scattering structure factor and scattering intensity. It is shown how they can be overcome usi…

A revision of Dissochaeta (Melastomataceae, Dissochaeteae)

Dissochaeta is a plant genus of woody climbers, classified in the tribe Dissochaeteae (Melastomataceae). The taxonomic history of the genus is complicated and includes some allied…

Auf der Suche nach der Ursache für die Weißblättrigkeit

DFG, SUB Göttingen, DGMT

Checklist of gypsophilous vascular flora in Italy

Our understanding of the richness and uniqueness of the flora growing on gypsum substrates in Italy has grown significantly since the 19th century and, even today, new plant speci…

Natural and anthropogenic compaction in North Germany (Schleswig-Holstein): Verification of harmful subsoil compactions

Many soil types in the federal state of Schleswig-Holstein (North Germany) are naturally compacted in the subsoil due to pedo- or geogenic processes (42% of the area) but, due to …

Odontochilus putaoensis (Cranichideae, Orchidaceae), a new species from Myanmar

Odontochilus putaoensis, a new species of Orchidaceae, is described and illustrated from Putao Township, Kachin State, Myanmar. Odontochilus putaoensis is close to O. duplex, but …

The medicinal plants of Myanmar

A comprehensive compilation is provided of the medicinal plants of the Southeast Asian country of Myanmar (formerly Burma). This contribution, containing 123 families, 367 genera,…

Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Com…

I present the first taxonomic revision for T. subg. Austrotradescantia, based on extensive field, cultivation and herbaria studies. I accept 13 species, three of them (i.e. T. atl…

New insights into the taxonomy of tribe Euclidieae (Brassicaceae), evidence from nrITS sequence data

As currently delimitated, the species-rich mustard tribe Euclidieae DC. (Brassicaceae) comprises 28 genera and 152 species distributed primarily in Asia. To date, no tribe-wide co…

Geologisches Jahrbuch Hessen

DFG, SUB Göttingen

Taxonomic review of Ceratozamia (Zamiaceae) in the Sierra Madre Oriental, Mexico

The genus Ceratozamia is revised for the Sierra Madre Oriental in Mexico. This region is one of the biogeographic areas with the greatest diversity of species in this genus. These…

Hemiboea suiyangensis (Gesneriaceae): a new species from Guizhou, China

The limestone areas in south China are a major biodiversity hotspot for terrestrial biomes. Hemiboea, with 34 species and 5 varieties, mainly distributed in south China, is one of…

Anemonastrum tenuicaule and A. antucense (Ranunculaceae), new combinations for a New Zealand endemic species and its So…

A rational taxonomic circumscription of genera in tribe Anemoneae (Ranunculaceae) is briefly discussed. It is concluded that, in view of the morphological diversity of the group a…

A remote sensing based monitoring system for discrimination between climate and human-induced vegetation change in Cent…

Purpose – This paper aims to demonstrate the importance of taking into account precipitation and the vegetation response to it when trying to analyse changes of vegetation cover …

Four new endemic genera of Rubiaceae (Pavetteae) from Madagascar represent multiple radiations into drylands

The taxonomic positions and phylogenetic relationships of six Pavetteae species endemic to Madagascar were tested with a phylogenetic study of the Afro-Madagascan representatives …

Climbers of the Estação Ecológica de Assis, State of São Paulo, Brazil: floristics and identification keys

Climbers are an important life form in the understory and canopy of tropical forests. They are characterised by constant root connection to the ground and use of other species, ma…

Coelogyne victoria-reginae (Orchidaceae, Epidendroideae, Arethuseae), a new species from Chin State, Myanmar

Coelogyne victoria-reginae, a new species of section Proliferae, from Natma Taung (Mt.Victoria) National Park, Chin State, Myanmar, is described and illustrated. It is morphologic…

Lysimachia tianmaensis (Primulaceae), a new species from Anhui, China

A new species of Lysimachia (Primulaceae), Lysimachia tianmaensis K. Liu, S.B. Zhou & Ying Wang sp. nov., is described and illustrated from Jinzhai County, Anhui, China. It is end…

Deciphering the sexual diploid members of the Boechera suffrutescens complex (Brassicaceae, Boechereae)

Boechera is a model genus that is of particular interest for understanding apomixis due to the presence of numerous apomictic diploid lineages that are tightly correlated with hyb…

Recognition of the genus Thaumatophyllum Schott − formerly Philodendron subg. Meconostigma (Araceae) − based on molecul…

Philodendron subgenus Meconostigma has been a well-circumscribed group since 1829. Members of this group are easily distinguished by diagnostic morphological characters as well as…

Hochmoore in Niedersachsen - Die Schutzbemühungen des Naturschutzes, verbunden mit einer Bestandsaufnahme (Stand Juni 1…

In einer kurzen Bestandsaufnahme der Moore in Niedersachsen beschreibt der Autor ihre ursprüngliche Ausdehnung und die heutige Situation. Anschließend wird auf den gegenwärtigen Z…

The hidden Heuchera: How science Twitter uncovered a globally imperiled species in Pennsylvania, USA

The genus Heuchera is recognized as one of the most diverse endemic radiations of Saxifragaceae in North America, yet species delimitation and geographic distribution within the g…

Two new Phlegmariurus species (Lycopodiaceae) and one new combination from Peninsular Malaysia

Two new species, Phlegmariurus iminii Kiew (Lycopodiaceae) from limestone karst and P. monticola Kiew from montane habitats, are described from Peninsular Malaysia and a new combi…

Comparative anatomical studies of some Teucrium sect. Teucrium species: Teucrium alyssifolium Stapf, Teucrium brevifoli…

Teucrium alyssifolium Stapf (endemic), Teucrium pestalozzae Boiss. (endemic) and Teucrium brevifolium Schreb. are three closely related taxa in Teucrium sect. Teucrium. The obtain…

Taxonomic studies of Glochidion (Phyllanthaceae) from the Indo-China Peninsula (I): G. shanense, a new species from Mya…

Based on morphological studies performed on live plants in the field and specimens deposited in herbaria, a new species, Glochidion shanense Gang Yao & Shixiao Luo (Phyllantheae, …

Home at last III: Transferring Uechtritzia and Asian Gerbera species into Oreoseris (Compositae, Mutisieae)

Recently the Asian Gerbera species were shown to form a clade that was not the sister group of the African Gerbera. In this study, the position of the Asian Gerbera species was fu…

Combining 3D seismics, eyewitness accounts and numerical simulations to reconstruct the 1888 Ritter Island sector colla…

The 1888 Ritter Island volcanic sector collapse triggered a regionally damaging tsunami. Historic eyewitness accounts allow the reconstruction of the arrival time, phase and heigh…

A new lectotype for Passiflora laurifolia L.

From the "Description des plantes d'Amérique" by Plumier, in 1693, to the "Species Plantarum" by Linnaeus in 1753, several dubious synonymies of Passiflora laurifolia L. were prop…

Home at Last II: Gerbera hieracioides (Kunth) Zardini (Mutisieae, Asteraceae) is really a Chaptalia

Gerbera hieracioides (Kunth) Zardini of the Gerbera-complex (Mutisieae, Asteraceae/Compositae) is distributed in Ecuador and Peru. This perennial herb was first named as Onoseris …

Two new species and two new records of Artabotrys (Annonaceae) from Thailand

Two new species of Artabotrys are described from Thailand. Artabotrys tanaosriensis J.Chen, Chalermglin & R.M.K.Saunders, sp. nov., is similar to A. oblanceolatus Craib but differ…

Über alttertiäre fluviatile Abflusswege in der Eifel

Ausgangspunkt der Untersuchung ist eine Erstbeschreibung der sandig-kiesigen, von Quarz dominierten fluviatilen Schichten im unteren Teil der oberpaläozänen bis eozänen Antweile…

Muslims and climate change: How Islam, Muslim organizations, and religious leaders influence climate change perceptions…

A growing body of research stresses the importance of religion in understanding and addressing climate change. However, so far, little is known about the relationship between Musl…

Constraining Andean Propagation of Exhumation at the Limit of the Eastern Cordillera, NW Argentina, Using Low‐Temperatu…

Within the Central Andes of NW Argentina, the spatiotemporal distribution and style of deformation is strongly influenced by pre‐Cenozoic heterogeneities, mostly related to the Sa…

Polyphyly of Lichen-cryptic Dagger Moths: synonymy of Agriopodes Hampson and description of a new basal acronictine gen…

The taxonomic composition and systematic position of Agriopodes Hampson is examined through an integrated approach using adult and larval morphology, biology, and molecular sequen…

The type-material of Arctiinae (Lepidoptera, Erebidae) described by Burmeister and Berg in the collection of the Museo …

Carlos G. Burmeister and Carlos Berg were among the most important and influential naturalists and zoologists in Argentina and South America and described 241 species and 34 gener…

Four new species of Symmerista Hübner, 1816 (Notodontidae, Nystaleinae) from Costa Rica

The genus Symmerista Hübner (Notodontidae, Nystaleinae) is reviewed for Costa Rica, based on 49 wild-caught specimens. Four species are newly described: Symmerista luisdiegogomezi…

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