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.
pensoft-publishers)
Showing 801 to 850 of 6881 works
The FrogID dataset: expert-validated occurrence records of Australia’s frogs collected by citizen scientists
This dataset represents expert-validated occurrence records of calling frogs across Australia collected via the national citizen science project FrogID (http://www.frogid.net.au).…
Genetic diversity and population structure of Terapon jarbua (Forskål, 1775) (Teleostei, Terapontidae) in Malaysian wat…
A background study is important for the conservation and stock management of a species. Terapon jarbua is a coastal Indo-Pacific species, sourced for human consumption. This study…
Aurivillius’s “Neue oder wenig bekannte Coleoptera Longicornia” (1886–1927), the correct years and page numbers
Aurivillius’s work entitled “Neue oder wenig bekannte Coleoptera Longicornia” was published in parts over a period of over four decades. There were two page numbers on most pages …
A new species of Astreptolabis in mid-Cretaceous amber from northern Myanmar, with the discovery of the first male of A…
A new species of one of the basal families among extant Dermaptera, Pygidicranidae, is described from mid-Cretaceous amber of Myanmar based on two females and a male. Astreptolabi…
Status of the burbot (Lota lota L.) in the Lower Danube (Bulgaria) – a species threatened by climate change
The study provides data on the catch composition, length-weight relationship, age structure, gender structure, growth, maturation, fecundity, distribution and conservation status …
Phestilla subodiosus sp. nov. (Nudibranchia, Trinchesiidae), a corallivorous pest species in the aquarium trade
Phestilla subodiosus sp. nov. (Nudibranchia: Trinchesiidae) is a novel species that feeds on corals in the genus Montipora (Scleractinia: Acroporidae) which are economically impor…
A new leafhopper genus of Empoascini (Hemiptera, Cicadellidae, Typhlocybinae) from China
A new leafhopper genus, Fanjinga gen. nov., with type species F. digitata Yu & Yang, sp. nov., is described from the Guizhou Province of Southwest China. Habitus photos and illust…
Description of a new, unusual species of Diestostemma Amyot & Serville (Hemiptera, Cicadellidae) from Ecuador
Diestostemma bicristata sp. nov., is described from Napo Province, Ecuador. It is unusual for the genus in lacking a visible white powdery covering, having raised, weakly reticula…
Identification key to Nephtyidae (Annelida) of the Black Sea
Currently, nine species of Nephtyidae (Annelida) are known from the Black Sea. A new user-friendly identification key is presented with a brief description for each species based …
Notes on the green lacewing subgenus Ankylopteryx Brauer, 1864 (s. str.) (Neuroptera, Chrysopidae) from China, with des…
A taxonomic study of the green lacewing subgenus Ankylopteryx Brauer, 1864, from China is presented. Eight species of this subgenus are recorded from China. A new species, namely …
A new Diplolepis Geoffroy (Hymenoptera, Cynipidae, Diplolepidini) species from China: a rare example of a rose gall-ind…
A new species of the genus Diplolepis Geoffroy, Diplolepis abei Pujade-Villar & Wang sp. nov. is described on host plant Rosa sertata Rolfe × R. rugosa Thunb. from China with an i…
A new Megophrys Kuhl & Van Hasselt (Amphibia, Megophryidae) from southeastern China
A new species of the genus Megophrys from Zhejiang Province, China is described. Molecular phylogenetic analyses supported the new taxon as an independent clade nested into the Me…
Fish rubbings, ‘gyotaku’, as a source of historical biodiversity data
Methods for obtaining historical biodiversity information are mostly limited to examining museum specimens or surveying past literature. Such materials are sometimes time limited …
Three new species of Meleonoma Meyrick from Yunnan, China (Lepidoptera, Gelechioidea, Xyloryctidae)
Three new species of Meleonoma Meyrick, 1914 (Gelechioidea, Xyloryctidae) from China, Yunnan Province, Meleonoma plicata sp. nov., M. scalprata sp. nov. and M. taeniata sp. nov., …
An overview on the nomenclatural and phylogenetic problems of native Asian brine shrimps of the genus Artemia Leach, 18…
The genus Artemia Leach, 1819 is a cosmopolitan halophilic crustacean, consisting of bisexual species and obligate parthenogenetic populations. Asia is rich in Artemia biodiversit…
First report on the gall wasp Ophelimus near migdanorum (Hymenoptera, Eulophidae) and its parasitoid Closterocerus cham…
Ophelimus near migdanorum, a foliage gall wasp-inducer of Eucalyptus, is recorded for the first time in Colombia, infesting both mature ornamental trees of Eucalyptus globulus (La…
Oreocharis sihuiensis (Gesneriaceae), a critically endangered new species from Guangdong Province, China
Oreocharis sihuiensis sp. nov. (Gesneriaceae) is described from Guangdong Province, China. Morphologically, the flower shape of this new species is similar to that of O. dayaoshan…
On the incorrect use of Spinella for species of Orostachys subsect. Appendiculatae (Crassulaceae)
Recent phylogenomic studies have consistently shown that Orostachys s.l. is polyphyletic and that the traditional subsections Appendiculatae and Orostachys represent distinct line…
A multiverse of trophic networks and coevolutionary trajectories among holoparasitic Orobanchaceae and their animal ass…
Holoparasitism, in achlorophyllous, fully heterotrophic plants, is one of the most peculiar symbioses in the plant world. In particular, holoparasites from Orobanchaceae, the larg…
A revised checklist of Pottiaceae (Bryophyta) in Mongolia
This updated checklist of Mongolian Pottiaceae is based on a thorough review of over 2,000 specimens from HIMC, UBA, and MO, along with published records. A total of 1,030 occurre…
Studies of Vietnamese pteridophyte flora 4: topotype project
Nomenclatural types serve as reference points in biodiversity research, providing a stable foundation for species naming and identification. Despite their critical role in taxonom…
A comprehensive phylogenomic framework for cycads (Cycadales)
Here we present a time-calibrated phylogeny of 346 cycad accessions, covering ≈86% of the 380 accepted species, across all 10 extant genera, inferred from 1,409 single-copy nuclea…
Taxonomic treatment of three Thai Garcinia species (section Brindonia, Clusiaceae), with six lectotypifications and con…
The taxonomy of three Garcinia species—G. bancana, G. costata, and G. parvifolia (section Brindonia, Clusiaceae)—is revised for Thailand. Morphological descriptions, illustrations…
A phylogeny of Uniolinae with a new genus, Eragrostiola and combination, E. spicata (Poaceae, Chloridoideae, Eragrostid…
We present a molecular DNA phylogeny of Uniola utilizing three plastid (rps16-trnK spacer, rps16 intron, rpl32-trnL spacer) and the nuclear ribosomal internal transcribed spacer (…
A striking new species of Dioon (Zamiaceae) from pine and pine-oak forest of Guerrero, Mexico
Taxonomic studies in cycad genera using multiple approaches have refined the delimitation of many species. In the case of Dioon Lindl., a Mesoamerican genus, a reliable classifica…
Phylogenetic relationships and critical taxonomic notes on the genus Astragalus (Fabaceae) in Kazakhstan (Central Asia)…
In the case of many previously described Astragalus species, more than 3,100 species worldwide, particularly those that are endemic and rare, there is a lack of critical informati…
Pogostemon puerensis (Lamiaceae), a new species from Yunnan of China
Pogostemon is the largest genus in tribe Pogostemoneae (Lamiaceae) and exhibits considerable morphological diversity, which has complicated species delimitation in parts of Southe…
Two new species of Rhipidoglossum (Orchidaceae, Angraecinae) from Central Africa, probably pollinated by settling moths
A revision of Central African specimens of Rhipidoglossum has revealed two new species from the Cameroon Volcanic Line (CVL) and the lowland and peripheric forests of the Guineo-C…
Evaluation of genetic diversity and structure of the endangered medicinal plant genus Huperzia (Lycopodiaceae) in China…
Huperzia serrata is an endangered perennial medicinal lycophyte, primarily distributed across most regions of China, eastern and southern Asia, Oceania, and the Americas. It produ…
Dracula aguilarii (Orchidaceae, Pleurothallidinae), a new species from southwestern Ecuador and the first confirmed loc…
The genus Dracula comprises more than 130 species of epiphytic orchids, with its highest diversity in the northern Andes of Colombia and Ecuador. Here, we describe Dracula aguilar…
Morphological and genomic data from Belgian naturalised populations reinstate the enigmatic Lathyrus platyphyllos (Faba…
The genus Lathyrus L. (Fabaceae) is represented in Belgium by several native and alien species, amongst which the Lathyrus sylvestris–latifolius complex has long posed taxonomic d…
Systematics of Parnassia (Celastraceae) inferred from plastid and nuclear DNA sequence data
We presented a comprehensive phylogenetic analysis of Parnassia covering approximately 80% of recognized species. By integrating five plastid markers (rbcL, matK, rpl32-trnL, trnT…
Aristolochia ferox, a new species of subg. Siphisia (Aristolochiaceae) from Guangxi, China
Aristolochia ferox is described as a new species endemic to the Jiuwanshan Mountains, northern Guangxi, China. It is morphologically similar to A. championii, A. quangbinhensis, I…
Taxonomic and nomenclatural notes on Salix (Salicaceae) from northern China
This study designates lectotypes for 20 names of Salix from northern China: Salix bikouensis var. villosa, S. flavida, S. gordejevii, S. hsinganica, S. juparica, S. matsudana var.…
A vouchered and georeferenced checklist of the endemic vascular plant species of the Lesser Sunda Islands highlights da…
A checklist of the 319 endemic vascular plants of the Lesser Sunda Islands is presented, derived from specimen data and expert-verified georeferences. The majority of these endemi…
Morphological and genetic evidence support the reinstatement of the long-forgotten Telipogon teuscheri (Orchidaceae, On…
Telipogon teuscheri, a rare orchid species from southwestern Ecuador, was described by Garay in 1958, but has long been forgotten after being placed in synonymy with T. tesselatus…
Corrigendum: Xu D, Li L, Zhang B, Song Z (2026) Morphological and molecular evidence support the inclusion of Mycetia h…
In our recent work (Xu et al. 2026), we failed to directly cite the basionym when publishing the new combination Mouretia hainanensis. This omission renders the combination nomenc…
Five new synonyms in Impatiens (Ericales, Balsaminaceae) from China
Species of Impatiens L. on the Yunnan–Guizhou Plateau show exceptionally high diversity, but inadequate early regional surveys have led to persistent taxonomic ambiguity. Critical…
Molecular and morphological evidence supports transferring Sacosperma (Rubiaceae, Rubioideae) from Spermacoceae to Knox…
The genus Sacosperma (Rubiaceae) comprises two species of lianas occurring in tropical African rainforests. It is currently placed in tribe Spermacoceae, but morphological evidenc…
Lectotypification of ten names of Carex hybrids (Cyperaceae), with notes on their morphology, habitat, and distribution
Lectotypes are designated for ten names of Carex hybrids based on material deposited in the B, BP, and WRSL herbaria. Morphological comparison between the hybrids and their parent…
Pittosporum qibainongense (Pittosporaceae), a new species from karst areas of southwest China
Pittosporum qibainongense Y.S.Huang, Yan Liu & Y.F.Deng, a new species of Pittosporaceae, is described and illustrated from karst areas of southwest China. It is morphologically s…
Novelties in Uvaria (Annonaceae) from West Africa
A new species of Uvaria (Annonaceae) from Liberia, only known from one fruiting collection, is described and illustrated. Uvaria tobliensis sp. nov. differs from all other African…
Typification and new synonyms of tea (Camellia sinensis, Theaceae) and one of its infraspecific taxa
Tea, Camellia sinensis, is a world-widely popular beverage source shrub. Its basionym, Thea sinensis, was lectotypified as a vague illustration, which cannot precisely exhibit the…
Monotropa callistoma (Ericaceae), a new species based on morphological and molecular evidence from Hunan, China
The subfamily Monotropoideae (Ericaceae) comprises unique non-photosynthetic and mycoheterotrophic plants. Their extensive morphological reduction often poses significant challeng…
The floral morphology of Pseudosasa nanunica (Poaceae, Bambusoideae)
Pseudosasa nanunica, a bamboo endemic to Guangdong and Hunan provinces, China, has a complicated taxonomic history due to lack of information on its floral morphology. It was init…
The Pleurothallis crateriformis complex (Orchidaceae): undescribed diversity and pollination biology of a newly recogni…
A new complex of species is recognized within Pleurothallis subgenus Pleurothallis section Macrophyllae-Fasciculatae, comprising P. crateriformis, P. equipedites, P. nipterophylla…
Integration of leaf traits supports the current circumscription of Afgekia Craib. and Padbruggea Miq. (Fabaceae, Wister…
Accurate delimitation of Afgekia and Padbruggea, two morphologically similar genera in the tribe Wisterieae (Fabaceae), has long posed challenges by overlapping vegetative traits,…
Morphological and molecular evidence support the inclusion of Mycetia hainanensis in Mouretia (Rubiaceae)
A key diagnostic feature of the genus Mycetia is its berry-like fruits, which distinguish it from its capsular-fruited relatives in the tribe Argostemmateae. However, the fruit ch…
Knowledge base and online identification key of native Asian thorny bamboos within Bambusa (Bambusoideae, Poaceae)
This study presents a checklist of 13 species of thorny bamboos native to Asia and documents them to contribute to a broader understanding of their morphology. To support this lis…
Angiopteris weimingii (Marattiaceae): a new endangered fern species from southern Yunnan, China, revealed by morphology…
Angiopteris weimingii, a morphologically distinct new species of Angiopteris (Marattiaceae) from southern Yunnan, China, is described. Compared with A. itoi, the new species can b…
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: