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2,050 results for “southern Brazil”
FIGURE 58 in Additional morphological features of the epiphytic diatom Cocconeis sawensis Al-Handal & Riaux-Gobin (Cocconeidaceae, Bacillariophyta) from a coastal lagoon, Southern Brazil
FIGURE 58. Location of Lagoa do Peixe National Park, Brazil (♦), Sawa Lake, Iraq (▲), Napuka Atoll, Tuamatu Archipelago (●) and Florida Bay, USA (■).
FIGURES 27–32. Cocconeis sawensis from Brazil. 27, 28, 30 TEM. 29, 31, 32 SEM. 27. Raphe valve whit valvocopula attached. 28 in Additional morphological features of the epiphytic diatom Cocconeis sawensis Al-Handal & Riaux-Gobin (Cocconeidaceae, Bacillariophyta) from a coastal lagoon, Southern Brazil
FIGURES 27–32. Cocconeis sawensis from Brazil. 27, 28, 30 TEM. 29, 31, 32 SEM. 27. Raphe valve whit valvocopula attached. 28. Detail of fimbriae coinciding with each interstria. 29. Raphe valve with valvocopula attached. Note the valvocopula open. 30. Detail of long fimbriae of unequal length and shape. 31, 32. Internal view of the sternum valve with valvocopula of raphe valve attached. Scale bars = 0.5 μm (Fig. 28), 1 μm (Figs 29–32), 2 μm (Fig. 27).
FIGURES 39–44 in Additional morphological features of the epiphytic diatom Cocconeis sawensis Al-Handal & Riaux-Gobin (Cocconeidaceae, Bacillariophyta) from a coastal lagoon, Southern Brazil
FIGURES 39–44. Cocconeis sawensis, type material from Iraq. LM. 39–41. Sternum valves. 42–44 Raphe valves. Scale bars = 10 μm.
FIGURES 54–57 in Additional morphological features of the epiphytic diatom Cocconeis sawensis Al-Handal & Riaux-Gobin (Cocconeidaceae, Bacillariophyta) from a coastal lagoon, Southern Brazil
FIGURES 54–57. Cocconeis sawensis recorded in Florida Bay SEM (images provided by Dr. Thomas Frankovich). Scale bars = 2 μm (Fig. 54), 5 μm (Figs 55,56), 1 μm (Fig. 57).
FIGURES 13–20. Cocconeis sawensis from Brazil. Raphe valves. 13–18. SEM. 19, 20. TEM. 13, 15 in Additional morphological features of the epiphytic diatom Cocconeis sawensis Al-Handal & Riaux-Gobin (Cocconeidaceae, Bacillariophyta) from a coastal lagoon, Southern Brazil
FIGURES 13–20. Cocconeis sawensis from Brazil. Raphe valves. 13–18. SEM. 19, 20. TEM. 13, 15. External view of the valve. 14. Internal view of the valve showing an irregular and raised marginal rim. 16, 17. Detail of the internal valves ends. Note raphe lying in a very narrow raised axial area and distal raphe ending a small helictoglossae. 18. Detail of the central area round and slightly raised with raphe endings deflected in opposite directions. 19. Valve. 20. Detail of hymenes occluding areolae with radial perforations. Scale bars = 200 nm (Fig. 20), 1 μm (Figs 16–18), 2 μm (Figs 13, 14, 15, 19).
FIGURES 7–12. Cocconeis sawensis from Brazil. Sternum valves. 7–11. SEM. 12. TEM. 7, 8 in Additional morphological features of the epiphytic diatom Cocconeis sawensis Al-Handal & Riaux-Gobin (Cocconeidaceae, Bacillariophyta) from a coastal lagoon, Southern Brazil
FIGURES 7–12. Cocconeis sawensis from Brazil. Sternum valves. 7–11. SEM. 12. TEM. 7, 8. Epiphytic on Cladophora sp. 8. Note valve convexity, slightly concave along the axial area. 9, 10. External view showing the narrow sternum. 11. Internal view. Detail of the sternum thickened and raised. 12. Valve. Scale bars = 2 μm (Figs 9, 12), 5 μm (Figs 8, 10, 11), 10 μm (Fig. 7).
FIGURES 1–6 in Additional morphological features of the epiphytic diatom Cocconeis sawensis Al-Handal & Riaux-Gobin (Cocconeidaceae, Bacillariophyta) from a coastal lagoon, Southern Brazil
FIGURES 1–6. Cocconeis sawensis from Brazil. LM. 1–3. Sternum valves. 4–6. Raphe valves. Scale bars = 10 μm.
FIGURES 21–26. Cocconeis sawensis from Brazil. 21–23, 25 SEM. 24, 26. TEM. 21 in Additional morphological features of the epiphytic diatom Cocconeis sawensis Al-Handal & Riaux-Gobin (Cocconeidaceae, Bacillariophyta) from a coastal lagoon, Southern Brazil
FIGURES 21–26. Cocconeis sawensis from Brazil. 21–23, 25 SEM. 24, 26. TEM. 21. Internal view of the raphe valve showing valvocopula of sternum valve attached. 22, 23, 26. Detail of the short fimbriae, triangle-like. 24. Open valvocopula of sternum valve. 25. Open frustule apices showing sternum valve valvocopula. Scale bars = 1 μm (Figs 22, 23, 25, 26), 2 μm (Fig. 24), 5 μm (Fig. 21).
FIGURES 33–38 in Additional morphological features of the epiphytic diatom Cocconeis sawensis Al-Handal & Riaux-Gobin (Cocconeidaceae, Bacillariophyta) from a coastal lagoon, Southern Brazil
FIGURES 33–38. Hymenes of sternum valves of Cocconeis sawensis from Brazil. TEM. 33, 34. Hymenes with very small and rounded perforations becoming linear slits at the margin. 35–37. Hymenes with fine transverse slits with some small-rounded in the middle. 38. Hymenes degraded. Scale bars = 200 nm (Fig. 33), 0.2 μm (Figs 34–38).
FIGURES 45–53. Cocconeis sawensis, type material from Iraq. 45–50 SEM. 51–53 TEM. 45, 46 in Additional morphological features of the epiphytic diatom Cocconeis sawensis Al-Handal & Riaux-Gobin (Cocconeidaceae, Bacillariophyta) from a coastal lagoon, Southern Brazil
FIGURES 45–53. Cocconeis sawensis, type material from Iraq. 45–50 SEM. 51–53 TEM. 45, 46. External view of the valve raphe. 47–49. Internal view of the sternum valve. 50. External view of the sternum valve. 51. General view of the sternum valve. 52. Areolae with broken hymens. 53. Detail of the fimbriae of sternum valve valvocopula. Scale bars = 2 μm (Figs 45–47, 50, 51), 5 μm (Figs 48, 49), 0.5 μm (Fig. 52), 1 μm (Fig. 53).
FIGURE 2. Spikelets and achenes. A in Two new species of Rhynchospora (Cyperaceae) from southern Brazil
FIGURE 2. Spikelets and achenes. A. Rhynchospora reitzii (R. Reitz & R. Klein 2754, NY). B. Rhynchospora emaciata (G. Hatschbach 24011, NY). C. Rhynchospora serrana (J. Cordeiro & C. B. Poliquesi 915, US). D. Rhynchospora boeckeleriana (A. C. Araújo 1664, NY). The scale is the same for all spikelets and achenes.
FIGURE 1. Synflorescences with respective spikelets. A. Rhynchospora reitzii. B in Two new species of Rhynchospora (Cyperaceae) from southern Brazil
FIGURE 1. Synflorescences with respective spikelets. A. Rhynchospora reitzii. B. Rhynchospora serrana. Illustrations by Bobbi Angell, A from Smith & R. Klein 7984 (NY) and B from J. Cordeiro & C. B. Poliquesi 915 (US).
FIGURE 1. Myrceugenia joinvillensis. A in A new species of Myrceugenia (Myrtaceae) from Southern Brazil
FIGURE 1. Myrceugenia joinvillensis. A—Fruits, seeds and embryo, B—Holotype, C—Trilocular ovary (A–C from holotype).
FIGURE 2. Myrceugenia joinvillensis. A in A new species of Myrceugenia (Myrtaceae) from Southern Brazil
FIGURE 2. Myrceugenia joinvillensis. A—Mucronate apex (adaxial surface), B—Mucronate apex (abaxial surface), C—Flowers in leaf axiles, D—Bud, E and F—Bracteoles, G—Calyx-lobes, H—Petals, I—Style, J—Stamens (A–B, E–F and J from holotype; C–D and G–I from Vieira 2785).
FIGURE 3 in Chascolytrum serranum (Poaceae: Pooideae: Poeae: Calothecinae), a new microendemic species from Campos de Cima da Serra, southern Brazil
FIGURE 3. Micromorphological features of the floret of Chascolytrum serranum and related species. A‒D. C. ambiguum. A. Lemma, lateral view. B. Detail of the lemma surface. C. Palea, dorsal view. D. Detail of the palea surface. E‒H. C. juergensii var. angustilemma. E. Lemma, lateral view. F. Detail of the lemma surface. G. Palea, dorsal view. H. Detail of the palea surface. I‒L. C. serranum. I. Lemma, lateral view. J. Detail of the lemma surface. K. Palea, dorsal view. L. Detail of the palea surface. (A–D from L.N. da Silva 1025, ICN; E–H from L.N. da Silva 1054, ICN; I–L from L.N. da Silva 1067, ICN).
FIGURE 2. Chascolytrum serranum. A in Chascolytrum serranum (Poaceae: Pooideae: Poeae: Calothecinae), a new microendemic species from Campos de Cima da Serra, southern Brazil
FIGURE 2. Chascolytrum serranum. A. Habit of C. serranum. B. Detail of the panicle, showing the purplish and shiny spikelets. C. Habitat of C. serranum, in the Serra Geral National Park, near to "Arroio Segredo". D. Habitat of C. serranum, in the Serra Geral National Park, near to "Cachoeira do Tigre Preto". (Photos by L.N. da Silva)
FIGURE 1. Chascolytrum serranum. A. Habit. B. Spikelet, lateral view. C. Palea, dorsal view. D in Chascolytrum serranum (Poaceae: Pooideae: Poeae: Calothecinae), a new microendemic species from Campos de Cima da Serra, southern Brazil
FIGURE 1. Chascolytrum serranum. A. Habit. B. Spikelet, lateral view. C. Palea, dorsal view. D. Lemma, lateral view. Drawn from the holotype (L.N. da Silva et al. 1067, ICN) by Rafaella M. Marchioretto.
FIGURE 4 in Geographical distribution of Dyckia walteriana (Bromeliaceae), a recently described and endangered species endemic to the Serra Geral formation, southern Brazil
FIGURE 4. Geographic distribution of population 10 of Dyckia walteriana in the Serra Geral formation, Paraná State, Brazil. Red area: registered population (yellow square B in Figure 2).
FIGURE 3 in Geographical distribution of Dyckia walteriana (Bromeliaceae), a recently described and endangered species endemic to the Serra Geral formation, southern Brazil
FIGURE 3. Geographic distribution of populations 1-9 & 12 of Dyckia walteriana in the Serra Geral formation, Paraná State, Brazil. Red areas: registered populations (yellow square A in Figure 2).
FIGURE 2 in Geographical distribution of Dyckia walteriana (Bromeliaceae), a recently described and endangered species endemic to the Serra Geral formation, southern Brazil
FIGURE 2. Geographic distribution of Dyckia walteriana in the Serra Geral formation, Paraná State, Brazil. Red polygon: region studied in order to select promising locations for the occurrence of D. walteriana populations. Yellow squares: regions of occurrence of one or more populations. A see Figure 3; B see Figure 4; C see Figure 5.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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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.