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422 results for “species rediscovery”
FIGURE 2. Rhipsalis ewaldiana. a in Rediscovery of Rhipsalis ewaldiana Barthlott & N.P. Taylor (Cactaceae): notes of morphology and conservation of an endemic and threatened species from the Brazilian Atlantic Forest
FIGURE 2. Rhipsalis ewaldiana. a. Habit; b. Steam; c. Stem with floral buds; d. Steam with flower; e. Flower in details; f. Steam with fruits (photos by D.R. Gonzaga and L. Moraes).
FIGURE 3 in Not extinct after all: rediscovery of Commelina dielsii (Commelinaceae) after 140 years, and first record of this species in Uruguay
FIGURE 3. Environment of the population of Commelina dielsii in Paysandú, Uruguay, on the east bank of the Uruguay River. A: view to the north; B: view to the south.
FIGURE 4 in Rediscovery and lectotypification of Croton claussenianus (Euphorbiaceae), an enigmatic endemic species from southeastern Brazil
FIGURE 4. Lectotype of Croton claussenianus at the Muséum National d'Histoire Naturelle, Paris (France), specimen P00623106.
FIGURE 2 in Rediscovery and lectotypification of Croton claussenianus (Euphorbiaceae), an enigmatic endemic species from southeastern Brazil
FIGURE 2. Sheet from the rediscovery collection at the herbarium at the Universidade Federal de Minas Gerais (BHCB) (barcode BHCB191241).
FIGURE 1. Croton claussenianus. A. Flowering branch, B. Bract, C. Staminate flower, D. Stamen, E in Rediscovery and lectotypification of Croton claussenianus (Euphorbiaceae), an enigmatic endemic species from southeastern Brazil
FIGURE 1. Croton claussenianus. A. Flowering branch, B. Bract, C. Staminate flower, D. Stamen, E. Staminate flower, showing the disk (stamens removed), F. Pistillate flower, G. Pistillate flower, showing the disk (ovary and two sepals removed), H. Young capsule with stigmas still intact, I. Lepidote trichrome on the fruit, J. Seed, ventral surface, K. Seed, dorsal surface. Illustrated by Regina Carvalho, from Moreira et al. 177.
FIGURE 5 in Rediscovery and lectotypification of Croton claussenianus (Euphorbiaceae), an enigmatic endemic species from southeastern Brazil
FIGURE 5. The remaining syntype of Croton claussenianus at the Conservatoire et Jardin botaniques de la Ville de Genève (Switzerland), specimen G00434503.
FIGURE 5 in Rediscovery and new combination of Serpocaulon demissum (Polypodiaceae), an endangered endemic species to the Brazilian inselbergs
FIGURE 5. Comparison between rhizome scales of the related species of Serpocaulon: A. S. catharinae (from D. Sanín et al. 6834, BHCB). B, C. S. demissum (from D. Sanín et al. 7229, BHCB). D. S. vacillans (from D. Sanín et al. 6855, BHCB). Scale bars: A, B & D: 1 mm, C: 0.5 mm.
FIGURE 4 in Rediscovery and new combination of Serpocaulon demissum (Polypodiaceae), an endangered endemic species to the Brazilian inselbergs
FIGURE 4. Distribution of Serpocaulon demissum. Black dots represent collections. Conventions: ES, Espírito Santo; MG, Minas Gerais; RJ, Rio de Janeiro, and SP, São Paulo States.
FIGURE 2 in Rediscovery and new combination of Serpocaulon demissum (Polypodiaceae), an endangered endemic species to the Brazilian inselbergs
FIGURE 2. Serpocaulon demissum: A. Habit. B. Detail of segments. C. Rhizome scale. D. Laminar scale. From: D. Sanín et al. 7229 (BHCB).
FIGURE 7 in Rediscovery and new combination of Serpocaulon demissum (Polypodiaceae), an endangered endemic species to the Brazilian inselbergs
FIGURE 7. Comparison of Lugol starch test (Johansen 1940), on the rhizome of Serpocaulon demissum and its relatives. A. S. catharinae (from D. Sanín et al. 7209, BHCB). B. S. demissum (from D. Sanín et al. 7229, BHCB). C S. vacillans (from D. Sanín et al. 7164, BHCB). Scale bars: A−C: 1 mm.
FIGURE 1 in Rediscovery and new combination of Serpocaulon demissum (Polypodiaceae), an endangered endemic species to the Brazilian inselbergs
FIGURE 1. Brazilian inselbergs locality where Serpocaulon demissum occurs: A, B., Pedra do Garrafão, Espírito Santo.
FIGURE 6 in Rediscovery and new combination of Serpocaulon demissum (Polypodiaceae), an endangered endemic species to the Brazilian inselbergs
FIGURE 6. Spore comparisons between the related species of Serpocaulon. A. Lateral view of S. catharinae. B. Detail from folded perine of S. catharinae (A, B from D. Sanín et al. 6771, BHCB). C, D. Lateral and proximal view of S. demissum (from A. Salino et al. 14539, BHCB). E, F. Lateral and proximal view of S. vacillans (from D. Sanín et al. 6855, BHCB). Scale bars: A, C−F: 20 µm; B: 10 µm.
FIGURE 3 in Rediscovery and new combination of Serpocaulon demissum (Polypodiaceae), an endangered endemic species to the Brazilian inselbergs
FIGURE 3. Serpocaulon demissum: A. Habit, scale bar: 10 cm. B. Rhizome with size perspective, scale bar: 5 cm. C. Rhizome branching, scale bar: 2 cm. D. Fiddlehead, scale bar: 4 cm. E. Phyllopodia detail, scale bar: 2 cm. F. Rhizome cross-section, scale bar: 2 cm. G. Base of the lamina with falcate and reflexed pinnae, scale bar: 3 cm. H. Abaxial view of the fertile lamina, scale bar: 5 cm. I. Middle fertile segment detail, scale bar: 1.5 cm. J. Proximal segments with nectaries. K. Apex of the lamina, scale bar: 2 cm. All from D. Sanín et al. 7229 (BHCB). The asterisk indicates the rhizome apex and the arrows indicate the location of nectaries.
FIGURES 24–25. 24 in Rediscovery of Choroterpes atramentum in Costa Rica, type species of Tikuna new genus (Ephemeroptera: Leptophlebiidae: Atalophlebiinae), and its role in the "Great American Interchange"
FIGURES 24–25. 24, Geological map of Costa Rica (redrawn from Abratis 1998) showing terranes of the Nicoya Complex (light grey), localities of recent collections of Tikuna atramentum (black squares), and two possible locations for the type locality (question marks). 25, Reconstruction of development of Lower Central America during the late Cretaceous (80 Ma) and early Tertiary (50 Ma) (redrawn from Meschede 1998). The black arrows point to the northern apex of the Costa Rica–Panamá island arc.
FIGURES 19–23. nymphal mouthparts. 19 in Rediscovery of Choroterpes atramentum in Costa Rica, type species of Tikuna new genus (Ephemeroptera: Leptophlebiidae: Atalophlebiinae), and its role in the "Great American Interchange"
FIGURES 19–23. nymphal mouthparts. 19, labrum; 20, left mandible; 21, maxilla; 22, hypopharynx; 23, labium: left, dorsum; right, venter.
FIGURES 1–13 in Rediscovery of Choroterpes atramentum in Costa Rica, type species of Tikuna new genus (Ephemeroptera: Leptophlebiidae: Atalophlebiinae), and its role in the "Great American Interchange"
FIGURES 1–13. Tikuna atramentum, imago and subimago. 1, fore– and hind wings; 2, hind wing, enlarged; 3, head of ♂ imago, lateral view; 4, head of ♀ imago, dorsal view; 5, fore and hind wings of holotype subimago; 6, hind wing of holotype subimago, enlarged; 7, abdominal terga 1–9 of ♂ imago. 8, abdominal terga 1–9 of ♀ imago. 9, sterna 7–9 of ♀ imago; 10, claws of ♀ imago; 11, genital segments of ♂ imago; 12, penes, enlarged; 13, genital segments of holotype ♂ subimago.
FIGURES 14–18. Tikuna atramentum, nymph. 14 in Rediscovery of Choroterpes atramentum in Costa Rica, type species of Tikuna new genus (Ephemeroptera: Leptophlebiidae: Atalophlebiinae), and its role in the "Great American Interchange"
FIGURES 14–18. Tikuna atramentum, nymph. 14, nymph (median caudal filament broken); 15, foreclaw. 16–18, abdominal gills on: 16, segment 1; 17, segment 5; 18, segment 7.
FIGURE 1 in Manilkara dardanoi (Sapotaceae): the rediscovery of an endemic and threatened species in northeastern Brazil
FIGURE 1. Place of occurrence of Manilkara dardanoi, Pernambuco State: (1) Aldeia (Municipality of Camaragibe, Metropolitan Region of Recife), with three specimens, (2) "Mata da Gia" (Municipality of Barreiros, southern coast of Pernambuco State), with two specimens.
FIGURE 2. A–C Microlicia maximowicziana. A in Rediscovery of two species of Microlicia (Melastomataceae) in Minas Gerais, Brazil
FIGURE 2. A–C Microlicia maximowicziana. A. Habitat in Grão Mogol. B. Flowering branch. C. Vegetative branch, showing horizontal to ascending leaves. D–E Microlicia riedeliana. D. Santana de Pirapama. E. Branch with 5- and 6-merous flowers. (Photos: P.O. Rosa A–B, A.F.A. Versiane C & W. Milliken D–E).
FIGURE 1. A–M in Rediscovery of two species of Microlicia (Melastomataceae) in Minas Gerais, Brazil
FIGURE 1. A–M Microlicia maximowicziana (Rosa et al. 1001). A. Flowering branch. B. Flower. C. Hypanthium and calyx lobes, with the petals, stamens and style removed, with detail of calyx lobes. D. Ovary in cross section. E. Petal. F. Lateral view of large stamen. G. Lateral view of small stamen. H. Pistil and detail of stigma. I. Capsule showing the hypanthium which gradually peels away at maturity. J. Seed. K. Leaf adaxial surface, showing indumentum of pale trichomes and sessile glands. L. Leaf adaxial surface (Marques 319). M. Leaf adaxial surface (Marques 356). N–O Leaf adaxial surface, showing indumentum of glandular trichomes and sessile glands. N. Microlicia graveolens (Romero 8345). O. Microlicia regeliana (Romero 8382). P. Microlicia stricta, leaf adaxial surface, showing indumentum of sessile glands and shorter pale trichomes (Romero 8819). Q. Microlicia fasciculata, leaf adaxial surface, showing indumentum and short petiole (Versiane 59). (Illustration: Rogério Lupo).
ScienceDex guides
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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.