Contribute Geolocation Data
Help us add geographic metadata to scientific works!
The works listed below have been harvested from various scientific sources but do not have geolocation data yet. If you know the geographic location or area mentioned in any of these works, you can help us improve our database.
Know a publication that should be in OPTIMAP? Enter its DOI and we will fetch its metadata from Crossref and enrich it automatically. If we already have it, you will be taken to its page.
Please log in to add works by DOI — use the user menu at the top right of the page.
Showing 54551 to 54600 of 59105 works
Erythrina L. (Phaseoleae, Papilionoideae, Leguminosae) of Brazil: an updated nomenclatural treatment with notes on ety…
Erythrina L. is a genus that comprises ca. 120 to 130 species distributed throughout the tropics and subtropics of the world. Linnaeus established the genus in Genera Plantarum (1…
Alternating Emission Features in Io's Footprint Tail: Magnetohydrodynamical Simulations of Possible Causes
Io's movement relative to the plasma in Jupiter's magnetosphere creates Alfvén waves propagating along the magnetic field lines which are partially reflected along their path. The…
An unexpected new tree species from Gansu, China: Illicium gansuense (Schisandraceae)
We describe the newly-discovered species Illicium gansuense (Schisandraceae), discovered in the Yuhe area of Giant Panda National Park, Gansu, China. Morphologically, I. gansuense…
Thrixspermum taeniophyllum (Orchidaceae, Epidendroideae), a new species from southwest China, based on molecular and m…
Thrixspermum taeniophyllum is described as a new orchid species from Wenchuan County, Sichuan Province of southwest China. It is morphologically similar to T. japonicum, but it di…
Neotypification for five names linked to Arenaria (Caryophyllaceae) for the endemic flora of Peru and Bolivia
The names Arenaria mattfeldii, A. pallens, A. peruviana, A. pintaudii, and A. stuebelii (Caryophyllaceae, Arenarieae) from Peru and Bolivia were studied and neotypified based on s…
Stochastic flow simulation in 3D porous media
Stochastic models and Monte Carlo algorithms for simulation of flow through porous media beyond the small hydraulic conductivity fluctuation assumptions are developed. The hydraul…
Taxonomic revision of Muhlenbergia (Poaceae, Chloridoideae, Cynodonteae, Muhlenbergiinae) in Central America: phylogen…
A taxonomic treatment of 38 species of Muhlenbergia, a phylogeny based on analysis of six DNA sequence markers, and classification of Muhlenbergia for Central America (Belize, Cos…
Neottia bifidus (Orchidaceae, Epidendroideae, Neottieae), a new mycoheterotrophic species from Guizhou, China
Neottia bifidus, a new mycoheterotrophic orchid, found in Maolan National Nature Reserve in Guizhou Province, China, is described and illustrated here. The new species is close to…
Review of Orchidaceae of the northern part of Kazakhstan
We present a review of Orchidaceae Juss. of the northern part of Kazakhstan, within the steppe, forest-steppe and semi-desert habitats of the country (Pavlodar, northern Kazakhsta…
Evolution and Features of Dust Devil‐Like Vortices in Turbulent Rayleigh‐Bénard Convection—An Experimental Study
We present an experimental study simulating atmospheric dust devils in a controlled laboratory experiment. The experimental facility, called the “Barrel of Ilmenau” (www.ilmenauer…
Rosa davurica var. rubro-stipulata (Rosaceae), the correct name for R. davurica var. alpestris
The name Rosa davurica var. alpestris (Nakai) Kitag. was published in 1979 as a new combination based on R. rubro-stipullata var. alpestris Nakai. It is generally accepted as a de…
Malus includes Docynia (Maleae, Rosaceae): evidence from phylogenomics and morphology
Docynia has been treated as a separate genus or merged into Cydonia or Docyniopsis. Our phylogenomic evidence from 797 single-copy nuclear genes and plastomes confirmed the sister…
Reconstructing Quaternary vegetation history in the Carpathian Basin, SE-Europe, using n-alkane biomarkers as molecular…
Seit einigen Jahren gibt es zunehmend Studien, die, basierend auf der Untersuchung von fossilen Holzkohlen und Schneckenschalen aus Löss-Paläoboden Sequenzen, die traditionelle Vo…
Checklist of Orchidaceae from Caquetá, Colombia
A checklist of Orchidaceae from Caquetá, Colombia is presented here. We recorded 98 genera and 418 species, exceeding a previous inventory by 276 species. The checklist is conserv…
Clermontia hanaulaensis (Campanulaceae, Lobelioideae), a new, critically endangered species from Maui, Hawaiian Islands
Clermontia hanaulaensis H.Oppenheimer, Lorence & W.L.Wagner, sp. nov., a newly discovered, narrowly distributed endemic species, is herein described based on its morphological cha…
Inter‐laboratory Characterisation of Apatite Reference Materials for Chlorine Isotope Analysis
Here we report on a set of six apatite reference materials (chlorapatites MGMH#133648, TUBAF#38 and fluorapatites MGMH#128441A, TUBAF#37, 40, 50) which we have characterised for t…
Überblick über die Fauna des saarpfälzischen Rotliegenden (Unter-Perm)
Die Fauna der Rotliegend-Serien des Saar-Nahe-Gebietes wird in knapper Form mit den wesentlichsten Merkmalen beschrieben. Wegen des Fehlens moderner Bearbeitungen werden einige …
A new species of Sterculia (Malvaceae) from Vietnam
A new species of Sterculia from Vietnam – S. konchurangensis – is described, illustrated, and compared with the similar S. lanceolata. S. konchurangensis differs from S. lanceolat…
Insect herbivore and fungal communities on Agathis (Araucariaceae) from the latest Cretaceous to Recent
Agathis (Araucariaceae) is a genus of broadleaved conifers that today inhabits lowland to upper montane rainforests of Australasia and Southeast Asia. A previous report showed tha…
Independent origins of Spiranthes ×kapnosperia (Orchidaceae) and their nomenclatural implications
Spiranthes Rich. (Orchidaceae) is a commonly encountered but systematically and nomenclaturally challenging component of the North American orchid flora. Here, the evolutionary hi…
Lectotypification and nomenclature notes of the name Caragana opulens (Fabaceae, Papilionoideae) and its synonyms
Morphological characters currently used to differentiate Caragana opulens as a species have been found to be insufficient and inconsistent. Through extensive research and comparis…
Morphology, taxonomy, biogeography and ecology of Micrasterias foliacea Bailey ex Ralfs (Desmidiales, Zygnematophyceae)
Micrasterias foliacea (Desmidiales, Zygnematophyceae) is an interesting desmid species as its filamentous life form is quite different from all other species within the genus. Due…
Sinosasa gracilis (Poaceae, Bambusoideae), a new combination supported by morphological and phylogenetic evidence
The results of phylogenetic analysis, based on the whole chloroplast genome and morphological study support the transfer of a long ignored bamboo species, Sasa gracilis, to the re…
Journal of Geophysics - Zeitschrift für Geophysik 45
Dieser Band enthält 44 Artikel zu Themengebieten der Seismologie, Erdmagnetismus und Gesteinsphysik veröffentlicht durch die Deutsche Geophysikalische Gesellschaft in dem Jahr 197…
Parallel developments in floral adaptations to obligate moth pollination mutualism in tribe Phyllantheae (Phyllanthace…
Several groups within tribe Phyllantheae (Phyllanthaceae) formed, independently, an (obligate) pollination mutualism with Epicephala moths, which originally had been parasitic. In…
Nomenclature and typification in Verbascum (Scrophulariaceae) from North Africa
The progress of taxonomic work on native Verbascum L. taxa found in Morocco led to a search for reference specimens in various herbaria. This process was extended to the taxa foun…
Quellen und Vorkommen kurzkettiger Alkylphenole (SCAP)
Aus der Literaturrecherche und eigenen Untersuchungen geht hervor, dass kurzkettige Alkylphenole (SCAP) während der Verarbeitungs- bzw. Veredelungsprozesse fester fossiler Brennst…
Petrocodon wui (Gesneriaceae), a new species from Guizhou, China
Petrocodon wui F.Wen & R.B.Zhang (Gesneriaceae), a typically lithophyte occurring in the Danxia areas of north-western Guizhou, China, is described and illustrated as new to scien…
Endiandra macrocarpa (Lauraceae), a new tree species from south-western China
Endiandra macrocarpa, a new species of Endiandra (Lauraceae) from Yunnan Province of south-western China, is here described and illustrated, based on morphological evidence. Compa…
Checklist of the diatoms (Bacillariophyta) from Lake Naivasha, Kenya, with some historical notes
Lake Naivasha is one of only two large freshwater lakes in the Eastern Rift Valley of Kenya, East Africa. Together with its satellite lakes Crescent Island Crater, Oloidien and So…
[Neue Nr. 2430] Gudow / Geologische Karte
Geologische Karte 1: 25 000 mit Erläuterungen. Digitalisat des FID GEO (Fachinformationsdienst Geowissenschaften der festen Erde), erstellt durch das GDZ (Göttinger Digitalisierun…
Five new synonyms for Impatiens procumbens (Balsaminaceae) in China
In the revision on the genus Impatiens L. in China, we found that there were synonyms amongst some species. Impatiens procumbens Franch. morphologically resembled I. reptans Hook.…
Taxonomic status and nomenclature of Cephalotaxus lanceolata (Cephalotaxaceae)
The nomenclature of Cephalotaxus lanceolata is controversial. After a thorough literature investigation, the nomenclatural problems have been resolved. This name was published in …
Eighteen new species of Neotropical Costaceae (Zingiberales)
In preparation for a full taxonomic revision of the Neotropical genera of Costaceae (i.e., Chamaecostus, Costus, Dimerocostus, and Monocostus), we present the description of 17 ne…
Hoya spectatissima (Gentianales, Apocynaceae), a new species from Yunnan, China
Hoya spectatissima, a new species from Yunnan Province, China, is described and illustrated. Hoya spectatissima is morphologically similar to H. lyi, but can be easily distinguish…
Recent developments in neutron imaging with applications for porous media research
Computed tomography has become a routine method for probing processes in porous media, and the use of neutron imaging is especially suited to the study of the dynamics of hydro…
A new species of Hoya R.Br. (Apocynaceae, Asclepiadoideae) from the Philippines
Hoya medusa M.D.De Leon, Cabactulan, Cuerdo & Rodda, sp. nov. (Apocynaceae, Asclepiadoideae) is described from the Philippines. Even though numerous taxa with a shrubby habit from…
Kengiochloa, a new bamboo genus to accommodate the morphologically unique species, Pseudosasa pubiflora (Poaceae)
Pseudosasa was confirmed as polyphyletic by recent phylogenetic analyses, with Chinese species of Pseudosasa distantly related to those from Japan. Among the Chinese species of Ps…
Der Teufelstisch bei Hinterweidenthal
Ausgangspunkt der Untersuchungen war die Erfordernis, die Standsicherheitsverhältnisse des Naturdenkmals Teufelstisch im Hinblick auf die Gefährdung seiner Besucher zu überprüfe…
Solved at last: The Philippine endemic Psychotria philippensis is a synonym of Scyphiphora hydrophylacea (Rubiaceae, S…
Psychotria philippensis (Rubiaceae) was described by Chamisso and Schlechtendal in 1829, was the first Psychotria name published for the Philippines and is currently considered a …
Thismia kenyirensis (Thismiaceae), a new species from Taman Negeri Kenyir, Terengganu, Peninsular Malaysia
A new mycoheterotrophic species, Thismia kenyirensis Siti-Munirah & Dome from Peninsular Malaysia, is described and illustrated. Thismia kenyirensis differs from other previously …
Erinnerungen an die „SCHNEIDER-Stunden“
DFG, SUB Göttingen, DGMT
Taxonomy and nomenclature of Abutilon albidum (Malvaceae, Malvoideae), a cryptic Saharo-Canarian species recently redi…
Abutilon albidum, a cryptic Saharo-Canarian species, was thought to have been last collected in 1945 in Tenerife by E.R. Sventenius. In 2019, it was rediscovered in the same area.…
An updated classification of the Brassicaceae (Cruciferae)
Based on recent achievements in phylogenetic studies of the Brassicaceae, a novel infrafamilial classification is proposed that includes major improvements at the subfamilial and …
The molecular phylogenetic position of Harpagocarpus (Polygonaceae) sheds new light on the infrageneric classification…
In the context of the molecular phylogeny of Polygonaceae, the phylogenetic positions of most genera and their relationships have been resolved. However, the monotypic genus Harpa…
New insights into the phylogenetic relationships of Japanese knotweed (Reynoutria japonica) and allied taxa in subtrib…
Japanese knotweed (Reynoutria japonica) is native to East Asia, but has been introduced to the West where it is a noxious invasive weed. Taxonomically, Japanese knotweed is placed…
Importance of Cadmium Sulfides for Biogeochemical Cycling of Cd and Its Isotopes in Oxygen Deficient Zones—A Case Study…
Understanding oceanic cadmium (Cd) cycling is paramount due to its micronutrient-like behavior in seawater, which has been inferred from its similarity to phosphate (PO4) cycling.…
Veronica hongii (Plantaginaceae), a new species from Central China
A new species Veronica hongii, from western Hubei Province, Central China is described and illustrated. The species is morphologically similar to V. henryi Yamazaki, but mainly di…
Gastrodia bawanglingensis (Orchidaceae, Epidendroideae), a new species from Hainan Island, China
Gastrodia bawanglingensis, a new species of Orchidaceae from Hainan Island, China, is described and illustrated. It is morphologically similar to G. theana, G. albidoides and G. a…
The correct name for an Aquilegia (Ranunculaceae) hybrid of the parentage Aquilegia flavescens × A. formosa
Aquilegia × miniana (J.F.Macbr. & Payson) Cronk, hybr. & stat. nov. is the correct name for the hybrid Aquilegia flavescens S.Watson × A. formosa Fisch. & DC. var. formosa. In 191…
How to help
If you recognize any works that reference specific geographic locations, please login, confirm your account, and contribute metadata.
In case you find any errors in other metadata fields, if you see a work with incorrect location or time information, or if you find works that should be included in our database, please contact us: