Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
4,462
datasets available to search
ShareScore release 0.9.0
Dataset results
4,462 results for “South America”
FIGURE 7. Cypella suffusa. A. Habit. B in Three new species of Cypella (Iridaceae) from South America, and taxonomic delimitation of C. suffusa Ravenna
FIGURE 7. Cypella suffusa. A. Habit. B. Distal part of the plant. C. Flower and spathe, lateral view. D. Flower, upper view. E. Flowers, tepals removed. F. Inner tepal. G. Capsule. H. Seed. I. Spathe with immature capsule. J. Distal cauline leaf (A–J from Deble et Alves 15511).
FIGURE 5. Cypella aurinegra. A. flower, upper view. B. flower, lateral view. C in Three new species of Cypella (Iridaceae) from South America, and taxonomic delimitation of C. suffusa Ravenna
FIGURE 5. Cypella aurinegra. A. flower, upper view. B. flower, lateral view. C. Detail of stamens and style. Cypella gutatta. D. Flower, upper view. E. Flower, lateral view. F. Detail of stamens and style (A–B from L.P. Deble et al. 15105; C from González 2250; D from L.P. Deble et al. 14990; E–F from L.P. Deble et al. 14991).
FIGURE 6. Cypella ravenniana. A. Habit. B. Flower, lateral view. C. Flower, upper view. D. Flowers, tepals removed. E. Inner tepal. F. Capsule. G. Seed. H. Spathe with immature capsule. I in Three new species of Cypella (Iridaceae) from South America, and taxonomic delimitation of C. suffusa Ravenna
FIGURE 6. Cypella ravenniana. A. Habit. B. Flower, lateral view. C. Flower, upper view. D. Flowers, tepals removed. E. Inner tepal. F. Capsule. G. Seed. H. Spathe with immature capsule. I. Stamen (A–C, E–I from Deble et Alves 15505; D from Deble & Alves 15504).
FIGURE 1. Cypella aurinegra. A. Habit. B in Three new species of Cypella (Iridaceae) from South America, and taxonomic delimitation of C. suffusa Ravenna
FIGURE 1. Cypella aurinegra. A. Habit. B. Flower and spathe, lateral view. C. Flower, upper view. D. Flowers, tepals removed. E. Inner tepal. F. Capsule. G. Seed. H. Spathe with immature capsule. I. Crests of the style branches. J. Cauline leaf. K. Stamen (A–K from L.P. Deble et al. 15105).
FIGURE 9. Cypella ravenniana. A. flower, upper view. B. flower, inclinate view. C. Flower, lateral view. Cypella suffusa. D. Flower, upper view. E. Flower, inclinate view. F in Three new species of Cypella (Iridaceae) from South America, and taxonomic delimitation of C. suffusa Ravenna
FIGURE 9. Cypella ravenniana. A. flower, upper view. B. flower, inclinate view. C. Flower, lateral view. Cypella suffusa. D. Flower, upper view. E. Flower, inclinate view. F. Flower, lateral view (A from Deble et al. 15504; B–C from Deble et Alves 15505; D–F from Deble et Alves 15511).
FIGURE 7 in Paspalum chilense (Poaceae, Paspaleae): A new species from southern South America
FIGURE 7. Meiotic microsporocyte of Paspalum chilense sp. nov. (Rua et al. 918) at diakinesis showing 10II.
FIGURE 8 in Paspalum chilense (Poaceae, Paspaleae): A new species from southern South America
FIGURE 8. Phylogenetic relationships of P. chilense sp. nov. and related species in the Notata group s.s., obtained from four cp-DNA markers. Strict consensus of two most parsimonious trees (length=17). Numbers above branches indicate Bremer support, those below branches represent symmetric jackknifing frequencies. Chromosome numbers are indicated beside each species name.
FIGURE 6 in Paspalum chilense (Poaceae, Paspaleae): A new species from southern South America
FIGURE 6. Paspalum chilense sp. nov. Transverse section of the leaf blade (from the type collection).
FIGURE 5 in Paspalum chilense (Poaceae, Paspaleae): A new species from southern South America
FIGURE 5. Spikelet length/width ratio vs. spikelet length plot showing differences in shape and size between P. chilense sp. nov. and the related species P. nummularium, P. barretoi, P. pumilum, P. minus, and P. conduplicatum.
FIGURE 1 in Paspalum chilense (Poaceae, Paspaleae): A new species from southern South America
FIGURE 1. Paspalum chilense sp. nov. A. Habit. B: Detail of ligule. C. Spikelet, abaxial view. D. Spikelet, adaxial view. E. Upper floret, adaxial view. F. Upper floret, abaxial view. G. Upper floret, palea and lodicules. Drawn from the type specimen (Rua et al. 918) by Natalia Gómiz.
FIGURE 3 in Paspalum chilense (Poaceae, Paspaleae): A new species from southern South America
FIGURE 3. Distribution of Paspalum chilense sp. nov. and the related species P. barretoi, P. pumilum, P nummularium, P. conduplicatum, and P. minus. The new species occurs near the southern limit of the generic distribution.
FIGURE 2 in Paspalum chilense (Poaceae, Paspaleae): A new species from southern South America
FIGURE 2. Paspalum chilense sp. nov. Field photographs from the type collection.A. Plant, showing the cespitose habit. B. Inflorescences, each composed of two subconjugate, divergent racemes. C. Detail of spikelets at anthesis. D. Habitat, in the vicinity of Lago Ranco, Chile. Photographs by G. H. Rua.
FIGURE 4 in Paspalum chilense (Poaceae, Paspaleae): A new species from southern South America
FIGURE 4. Comparative view of spikelets of A. Paspalum chilense sp. nov. (Rua et al. 918). B. P. barretoi (Rua et al. 736). C. P. minus (Valls 15229). D. P. nummularium (Rua et al. 737). E. P. pumilum (Parodi 163).
FIGURE 3 in The circumscription of problematic species of Ophioglossum (Ophioglossaceae) from Southern South America: a palynological approach
FIGURE 3. Original plate of Barrelier (1714). The central plant in the plate (II) corresponds to Ophioglossum lusitanicum.
FIGURE 1. A, B in The circumscription of problematic species of Ophioglossum (Ophioglossaceae) from Southern South America: a palynological approach
FIGURE 1. A, B: Ophioglossum crotalophoroides spore type. A, proximal face; B, distal face, [Osten & Rojas 8707 (MVM)]. C, D: Ophioglossum vulgatum spore type from American specimens; C, proximal face; D: distal face [(von Rentzell 6215 (SI)]; E: Ophioglossum vulgatum type from European specimens [Pedersen 7420 (CTES)]. F. Ophioglossum coriaceum, from New Zeland, distal face [Large & Large 169 (CTES)]
FIGURE 1. A–G in Two new species of Gurania (Cucurbitaceae) from South America
FIGURE 1. A–G: Gurania calathina M. Nee & Gomes-Costa (Holotype:—J. Betancur et al. 773). A. habit; B. branch cross-section showing papyraceous bark; C. leaf, adaxial surface; D. leaf, abaxial surface; E. staminate flower; F. anther, front view; G. anther, dorsal view. H–L: Gurania jeffreyi M. Nee & Gomes-Costa (Holotype:—A. H. G. Alston 8437). H. habit; I. leaf, abaxial surface with prominent veins; J. staminate flower; K. anther, dorsal view; L. anther, front view. Illustrations by Regina Carvalho.
FIGURE 2 in First record of Nocturama (Batrachospermales, Rhodophyta) in South America, with the description of a new species N. novamundensis
FIGURE 2. ML Phylogenetic tree based on SSU rDNAsequences. The numbers associated with the nodes indicate the bootstrap values (BS) for maximumlikelihood and posterior probability (PP) for Bayesian analysis; nodes without values indicate BS <70% and PP <0.70. Newly generated sequences are in boldface.
FIGURE 1 in First record of Nocturama (Batrachospermales, Rhodophyta) in South America, with the description of a new species N. novamundensis
FIGURE 1. ML Phylogenetic tree based on rbcL sequences. The numbers associated with the nodes indicate the bootstrap values (BS) for maximum likelihood and posterior probability (PP) for Bayesian analysis; nodes without values indicate BS <70% and PP <0.70. Newly generated sequences are in boldface. Setacea is alternatively treated as a section of the genus Nothocladus s. lat. (Entwisle et al. 2016).
FIGURES 3–13 in First record of Nocturama (Batrachospermales, Rhodophyta) in South America, with the description of a new species N. novamundensis
FIGURES 3–13. Nocturama novamundensis Necchi & Entwisle sp. nov. 3–4. Whorls and carposporophytes (arrow); 5. Developing carposporophyte showing pedicellate (arrow); 6. Whorls showing curved primary fascicles (arrows); 7–8. Details of primary fascicles showing the curved disposition; 9. Entire carpogonial branch showing trichogyne (arrow); 10–11. Apical part of carpogonial branches showing young (10) and mature carpogonia; 12–13. Details of an intact (12) and a squashed carposporophyte. Scale bars: 250 μm for figures 3; 100 μm for figures 4–6; 50 μm for figures 7–8; 25 μm for figures 9, 12–13; 10 μm for figures 10–11.
FIGURE 8 in New species of Bulbostylis (Cyperaceae) from South America
FIGURE 8. Scanning electron microscope photographs of achenes of Bulbostylis. A–B. B. wanderleyana Prata & M.G.López (Prata et al. 859, ASE). A. Achene B. Achene surface detail. C–D. B. consanguinea (Kunth) C.B. Clarke. C. Achene D. Achene surface detail (Batalha & Mantovani 60, SP).
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.