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239 results for “Sierra Nevada”
FIG. 1 in Demography, Habitat, and Movements of the Sierra Nevada Yellow-Legged Frog (Rana sierrae) in Streams
FIG. 1. Locations of sites of Rana sierrae surveyed in 2003 and 2009– 2011. The shaded area shows the range of Rana sierrae. Squares are 2003 survey streams and circles are 2009–2011 survey streams. County lines are shown for reference.
FIGURE 7 in Melastomataceae of the Sierra Nevada de Santa Marta (Colombia): floristic affinities and annotated catalogue
FIGURE 7. Cluster analyses for the Melastomataceae diversity found in neotropical countries or regions. A) Cluster analysis using the Dice similarity index. B) Cluster analysis using the Jaccard similarity index. The analyses were done using the UPGMA algorithm.
FIGURE 6 in Melastomataceae of the Sierra Nevada de Santa Marta (Colombia): floristic affinities and annotated catalogue
FIGURE 6. Number of species and endemic species of Melastomataceae by neotropical countries and regions.
FIGURE 3 in Melastomataceae of the Sierra Nevada de Santa Marta (Colombia): floristic affinities and annotated catalogue
FIGURE 3. Number of species and endemic species of Melastomataceae by biogeographic regions in Colombia.
FIGURE 5 in Melastomataceae of the Sierra Nevada de Santa Marta (Colombia): floristic affinities and annotated catalogue
FIGURE 5. Number of genera and endemic genera of Melastomataceae by neotropical countries and regions.
FIGURE 4 in Melastomataceae of the Sierra Nevada de Santa Marta (Colombia): floristic affinities and annotated catalogue
FIGURE 4. Cluster analyses for Melastomataceae diversity found in the ten biogeographic regions in Colombia. A) Cluster analysis using the Dice similarity index. B) Cluster analysis using the Jaccard similarity index. The analyses were done using the UPGMA algorithm.
FIGURE 2 in Melastomataceae of the Sierra Nevada de Santa Marta (Colombia): floristic affinities and annotated catalogue
FIGURE 2. Representative species of Melastomataceae and habitats of the SNSM. A. View of the main massif peaks from Cerro Kennedy. B. Cloud forest. C. Huilaea kirkbridei. D. Miconia floribunda. E. Monochaetum magdalenense. F. Monochaetum rotundifolium. All photos by F. Almeda.
FIGURE 5 in Serpocaulon tayronae (Polypodiaceae), a new species from the Sierra Nevada de Santa Marta, Colombia
FIGURE 5. Silhouettes of species resembling Serpocaulon tayronae. A S. eleutherophlebium (from Jaramillo-Mejía 6451, CAUP), B. S. obscurinervium (from the type Hagemann & Leist 1898 (PSO). C. S. patentissimum (from Arbeláez 325, HUA). D. Polypodium colpodes var. oligomerum (from Tonduz 8804, BR). E. S. tayronae (from the type Smith 1025, BR). F. P. tenuifolium (from Wright 1030, NHN). G. P. dulce (from Tückheim 4047, BR). H. P flagellare (from the type Biolley 2671, BR). I. P. plesiosorum (from Pringle 3352, BR). Scale bar: 10 cm.
FIGURE 2. Serpocaulon tayronae. A in Serpocaulon tayronae (Polypodiaceae), a new species from the Sierra Nevada de Santa Marta, Colombia
FIGURE 2. Serpocaulon tayronae. A. Spore in proximal view. B. Spore in ventral view. C. Verrucae detail. D. Esporangium. E. Clathrate rhizome scale. F. Margin of the segment. All from Smith 1025 (BR).
FIGURE 1. Serpocaulon tayronae. A. Habit. B. Rhizome scale. C in Serpocaulon tayronae (Polypodiaceae), a new species from the Sierra Nevada de Santa Marta, Colombia
FIGURE 1. Serpocaulon tayronae. A. Habit. B. Rhizome scale. C. Basiscopic sterile part of the segment. D. Acroscopic fertile part of the segment. E. Lamina trichome. All from Smith 1025 (BR).
FIGURE 4 in Serpocaulon tayronae (Polypodiaceae), a new species from the Sierra Nevada de Santa Marta, Colombia
FIGURE 4. Comparison between the rhizome scales of similar species of Polypodium and Serpocaulon. A. Serpocaulon eleutherophlebium (from Rodríguez et al 5970, COL). B. S. tayronae (from the type Smith 1025, BR), C. S. obscurinervium (from the type Hagemann & Leist 1898 (PSO). D. S. patentissimum (from Arbeláez 325, HUA). E. Polypodium colpodes var. oligomerum (from Tonduz 8804, BR). F. P. tenuifolium (from Wright 1030, NHN). G. P. dulce (from Tückheim 4047, BR). H. P. flagellare (from the type Biolley 2671, BR). I. P. plesiosorum (from Pringle 3352, BR). Scale bar: A–D (0.5 mm), E–I (1 mm).
FIGURE 3 in Serpocaulon tayronae (Polypodiaceae), a new species from the Sierra Nevada de Santa Marta, Colombia
FIGURE 3. Location of the collecting sites of H.H. Smith. A. Location of the Sierra Nevada de Santa Marta, Colombia. B. Study area of Smith's expedition; circles: sites of interest (Simón Bolivar and Cristóbal Colón peaks at 5775 m, and Santa Marta City); stars: most important collecting sites and location of the type locality, Las Nubes.
FIGURES 67–71 in New Freshwater Gomphonemoid Diatoms from Streams in the Sierra Nevada Mountains, California, USA
FIGURES 67–71. Gomphoneis oreophila Stancheva & Kociolek, sp. nov. type material from Rice Creek, California, USA (site 518RCNAPC). SEM images. Internal valve view of the same specimen. Fig. 67 shows a large axial plate and narrow marginal lamina. Fig. 68 central nodule bears a slit-like stigma and recurved proximal raphe ends. Fig 69 detail of the marginal lamina near the central area. Figs 70 and 71 detail of the marginal lamina at the foot pole. Scale bars: Fig. 67 = 10 μm; Fig. 68 = 3 μm; Fig. 70 = 2 μm; Figs 69, 71 = 0.5 μm.
FIGURES 59–66 in New Freshwater Gomphonemoid Diatoms from Streams in the Sierra Nevada Mountains, California, USA
FIGURES 59–66. Gomphoneis oreophila Stancheva & Kociolek, sp. nov. type material from Rice Creek, California, USA (site 518RCNAPC). SEM images. Fig. 59 external valve view. Fig. 60 external valve view of initial cell. Fig. 61 external girdle view. Figs 62 and 63 detail of the head pole. Fig. 64 detail of foot pole with apical pore field. Fig. 65 central area with single circular stigma. Fig. 66 central area of initial cell with single stigma and several sigmoid areolae. Figs showing the same specimen are: 59, 62, 64, and 65; 60, 63, and 66. Scale bars: Figs 59–61 = 10 μm; Fig. 63 = 3 μm; Figs 62, 64, 65, 66 = 2 μm.
FIGURES 46–58 in New Freshwater Gomphonemoid Diatoms from Streams in the Sierra Nevada Mountains, California, USA
FIGURES 46–58. Gomphoneis oreophila Stancheva & Kociolek, sp. nov. type material from Rice Creek, California, USA (site 518RCNAPC). LM images. Figs 46–52, 55–57 valve view. Figs 53, 54 valve view of initial valves. Fig. 58 girdle view. Scale bar: 10 μm.
FIGURES 28–39 in New Freshwater Gomphonemoid Diatoms from Streams in the Sierra Nevada Mountains, California, USA
FIGURES 28–39. Gomphonema sierrianum Stancheva & Kociolek, sp. nov. type material from San Antonio Creek, California, USA (site 533SPILSA). LM images. Figs 28–33, 35–39 valve view. Fig. 34 girdle view. Scale bar: 10 μm.
FIGURES 22–27 in New Freshwater Gomphonemoid Diatoms from Streams in the Sierra Nevada Mountains, California, USA
FIGURES 22–27. Gomphonema californicum Stancheva & Kociolek, sp. nov. type material from Digger Creek, California, USA (site 507DCABSF). SEM images. Figs 22 and 23 show external valve view of the central area with isolated stigma and small depressions (white arrows), surrounded by short striae composed of areolae with variable shape. Figs 24–27 internal valve view. Figs 25 and 26 illustrate the interval view of the central nodule, bearing a slit-like stigma opening and dilated and recurved proximal raphe ends. Figs showing the same specimen are: 24 and 25; 26 and 27. Scale bars: Figs 24, 27 = 10 μm; Figs 22, 23, 25, 26 = 2 μm.
FIGURES 15–21 in New Freshwater Gomphonemoid Diatoms from Streams in the Sierra Nevada Mountains, California, USA
FIGURES 15–21. Gomphonema californicum Stancheva & Kociolek, sp. nov. type material from Digger Creek, California, USA (site 507DCABSF). SEM images. Figs 15, 16, 19, 20 external valve view. Figs 17, 18, 21 external girdle view. Figs 17, 18, 19, 21 show an apical spine at the head pole (white arrows). Fig. 20 illustrates narrow, unornamented area within the apical pore field at the foot pole (white arrowheads). Figs showing the same specimen are: 15 and 19; 16 and 20; 18 and 21. Scale bars: Figs 15–18 = 10 μm; Figs 19–21 = 2 μm.
FIGURES 40–45 in New Freshwater Gomphonemoid Diatoms from Streams in the Sierra Nevada Mountains, California, USA
FIGURES 40–45. Gomphonema sierrianum Stancheva & Kociolek, sp. nov. type material from San Antonio Creek, California, USA (site 533SPILSA). SEM images. Figs 40, 44 internal valve
FIGURES 1–14 in New Freshwater Gomphonemoid Diatoms from Streams in the Sierra Nevada Mountains, California, USA
FIGURES 1–14. Gomphonema californicum Stancheva & Kociolek, sp. nov., LM images. Figs 1, 4, 5, 6 (type material, site 507DCABSF). Figs 3, 10, 12, 13, 14 (site 518RCNAPC). Figs 2, 7, 8, 9, 11 (site 521BTC303). Figs 1–11 valve view. Figs 12 and 13 girdle view; note that the focus on Fig. 13 is on the apical spines. Fig. 14 initial valve. Scale bar: 10 μm.
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