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.
1,865
datasets available to search
ShareScore release 0.9.0
Dataset results
1,865 results for “northeastern Brazil”
FIGURE 3. A–N in Apinagia brejoagrestinensis (Podostemaceae): a new rheophyte from the Atlantic Forest of northeastern Brazil
FIGURE 3. A–N. Apinagia brejoagrestinensis (based on the holotype and paratype). A. Stem flattened, flexuous, evidencing the leaves of fleshy base from which emerge the flowers. B. Detail of the dichotomously branched leaf. C. Detail of the leaf axil evidencing the flower buds. D. Flower bud at the moment of rupture of the spathella during the beginning of the anthesis. E. Enlarged detail of the spathella trichomes. F. Fleshy base of the leaves showing developed flowers. G. External view of the flower in anthesis. H. Internal view of the flower in anthesis. J. Tepals. K. Enlarged detail of the tepal trichomes. L. Stamens of oblong anthers. M. Developed capsule. N. Dehiscent capsule, showing two persistent valves.
FIGURE 1 in Apinagia brejoagrestinensis (Podostemaceae): a new rheophyte from the Atlantic Forest of northeastern Brazil
FIGURE 1. Distribution of Apinagia brejoagrestinensis. A. South America highlighting (square) the northeast of Brazil. B. Northeastern Brazil, highlighting the Borborema Plateau (striped area) and municipality of Agrestina, near the locality of A. brejoagrestinensis (●). C. Riacho Mentirosos, locality of the new species and municipality of Agrestina (●).
FIGURE 1. A−O. Goeppertia yoshida-arnsiae. A. Habit. B. Inflorescence. C−D. Bracts. E. Prophyll. F. Interphyll. G. Bracteole. H. Flower. I in A new species of Goeppertia (Marantaceae) from the Atlantic forest of northeastern Brazil
FIGURE 1. A−O. Goeppertia yoshida-arnsiae. A. Habit. B. Inflorescence. C−D. Bracts. E. Prophyll. F. Interphyll. G. Bracteole. H. Flower. I. Detail of flower. J. Outer staminode. L. Callose staminode. M. Culullate staminode. N. Stamen with appendix. O. Style and stigma. (Drawn from the holotype by Ellisabeth Ferralc)
FIGURE 1 in A new record of Sida glutinosa (Malvaceae), a rare species of the Caatinga in northeastern Brazil, with lectotypifications and taxonomic notes on the allied Sida glabra
FIGURE 1. Distribution of Sida glutinosa. Point record (Ì) in Serra das Gamelas, municipality of Triunfo, Paraíba state.
FIGURE 2 in A new record of Sida glutinosa (Malvaceae), a rare species of the Caatinga in northeastern Brazil, with lectotypifications and taxonomic notes on the allied Sida glabra
FIGURE 2. Sida glutinosa. (A) General view of Serra das Gamelas, Triunfo, Paraiba, Brazil; (B) terminal portion of the habit; (C–D) lateral and superior view of schizocarp showing partly the mericarps; (E) flower. Detail: in B and C note the glandular-viscid hairs.
FIGURE 1 in A new species of Duguetia (Annonaceae) from the Atlantic Forest of northeastern Brazil
FIGURE 1. Distribution of Duguetia sulcosa in the Jaqueira (PE), Quebrangulo, São José da Laje and Viçosa (AL).
FIGURE 3. A–F. Duguetia sulcosa. A. Immature flower. B in A new species of Duguetia (Annonaceae) from the Atlantic Forest of northeastern Brazil
FIGURE 3. A–F. Duguetia sulcosa. A. Immature flower. B. Mature flower with one petal removed to show reddish stamens. C. Connate sepals. D. Mature fruit with floral bud. E–F. Mature fruits. (B from Amorim 1769; A, C, D, E, and F from the Bazante 334, the type specimen).
FIGURE 2. A–O. Duguetia sulcosa. A–B. Habit. C in A new species of Duguetia (Annonaceae) from the Atlantic Forest of northeastern Brazil
FIGURE 2. A–O. Duguetia sulcosa. A–B. Habit. C. Abaxial surface of a leaf, detail. D–F. Flower buds. D. Side view. E. Top view. F. Trichomes. G. Mature flower without some petals and sepals. H. Bottom view of the sepals showing connate portion. I. Adaxial face of inner petal. J. Longitudinal section of floral receptacle. K. Stamen. L. Carpel. M. Fertile carpel. N. Fruit. O. Longitudinal section of fruit.
FIGURE 1. Zanthoxylum unifoliolatum. A in A new species of Zanthoxylum (Rutaceae) with a key to the species from Northeastern Brazil
FIGURE 1. Zanthoxylum unifoliolatum. A. Habit of male plant; B. Detail of branch with thorns; C. Staminate flower bud; D. Staminate flower, petals and one stamen removed (based on Gomes et al. 390). E. Detail of pistillate inflorescence; F. Pistillate flower, petals removed, st: staminodium; G. Petal from pistillate flower (based on Gomes et al. 1091); H. Fruit with pendulous seed; I. Open fruit. J. Seed (based on Santana & Silva 162). Illustrated by Bruno Simões Favaretto.
FIGURE 2. Zanthoxylum unifoliolatum. A in A new species of Zanthoxylum (Rutaceae) with a key to the species from Northeastern Brazil
FIGURE 2. Zanthoxylum unifoliolatum. A. Thorns on trunk; B. Vegetation in Serra das Cajazeiras Carmópolis (Sergipe, Brazil), one of the places the new species was collected. C and D. Branches with pistillate inflorescences.
FIGURE 7. A in New records, conservation assessments and distribution of Lamiaceae in Rio Grande do Norte, northeastern, Brazil
FIGURE 7. A. Aegiphila verticillata; B. Amasonia campestris; C. Eplingiella fruticosa, D. Hypenia salzmannii; E. Marsypianthes chamaedrys; F. Mesosphaerum suaveolens; G. Rhaphiodon echinus; H. Vitex gardneriana; I. Vitex rufescens. Photos: (A) E.O. Moura, (B, E, I) E.C. Tomaz, (C, D, F, G) A.S. Soares, (H) J.G. Jardim.
FIGURE 5 in New records, conservation assessments and distribution of Lamiaceae in Rio Grande do Norte, northeastern, Brazil
FIGURE 5. Distribution map of Rhaphiodon echinus, Vitex gardneriana, V. rufescens and V. schaueriana in Rio Grande do Norte State, Brazil.
FIGURE 2 in New records, conservation assessments and distribution of Lamiaceae in Rio Grande do Norte, northeastern, Brazil
FIGURE 2. Distribution map of Aegiphila verticillata, Amasonia campestris, Eplingiella fruticosa and Eriope macrostachya in Rio Grande do Norte State, Brazil.
FIGURE 3 in New records, conservation assessments and distribution of Lamiaceae in Rio Grande do Norte, northeastern, Brazil
FIGURE 3. Distribution map of Gymneia platanifolia, Hypenia salzmannii, Hyptis brevipes and H. lantanifolia in Rio Grande do Norte State, Brazil.
FIGURE 4 in New records, conservation assessments and distribution of Lamiaceae in Rio Grande do Norte, northeastern, Brazil
FIGURE 4. Distribution map of Marsypianthes chamaedrys, Mesosphaerum pectinatum, Mesosphaerum sp. and M. suaveolens in Rio Grande do Norte State, Brazil.
FIGURE 4. Tylopilus pygmaeus. A in Two new Tylopilus species (Boletaceae) from Northeastern Atlantic Forest, Brazil
FIGURE 4. Tylopilus pygmaeus. A—Photographs of fresh basidiomes in the field. B-C—Basidiospores; D—Basidia; E—Cystidia; F— Pileipellis; G—Stipitipellis. Bar 10 μm.
FIGURE 2 in Two new Tylopilus species (Boletaceae) from Northeastern Atlantic Forest, Brazil
FIGURE 2. Maximum likelihood (ML) tree of Tylopilus from dataset of 63 LSU sequences rooted with the outgroup (Bothia castanella). Bayesian posterior probability above 0.7 and Bootstrap values above 50% are shown.
FIGURE 3. Tylopilus dunensis. A in Two new Tylopilus species (Boletaceae) from Northeastern Atlantic Forest, Brazil
FIGURE 3. Tylopilus dunensis. A—Photographs of fresh basidiomes in the field. B-C—Basidiospores; D—Basidia; E—Cystidia; F— Pileipellis; G—Stipitipellis. Bar 10 μm.
FIGURE 1 in Two new Tylopilus species (Boletaceae) from Northeastern Atlantic Forest, Brazil
FIGURE 1. Maximum likelihood (ML) tree of Tylopilus from dataset of 33 ITS sequences rooted with the outgroup (Bothia castanella). Bayesian posterior probability above 0.7 and nonparametric bootstrap values above 50% are shown.
FIGURE 3 in First record of the rare Dyckia racemosa Baker (Bromeliaceae) in Maranhão state (northeastern Brazil), with an update on the species description, geographic distribution, and conservation status
FIGURE 3. Unicates herbarium specimen of Dyckia racemosa. A. Tocantins, Gardner 4015. B. Goiás, Irwin et al. 14528. C. Bahia, Forzza 7451. D. Maranhão, Guarçoni 2352 & A.W.C. Ferreira. (Fotos: Elidio A. E. Guarçoni)
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.