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1,342 results for “Lichen”
FIG. 13 in Analysis of lichen secondary chemistry doubled the number of Cetrelia W.L. Culb. & C.F. Culb. species (Parmeliaceae, lichenised Ascomycota) in Hungary
FIG. 13. — The number of Cetrelia W.L. Culb. & C.F. Culb. species after revision in various parts of Hungary.
FIG. 3 in Saxicolous lichens in the semi-arid Caatinga in Brazil show substratum shifts
FIG. 3. — Peltula nigrotestudinea Aptroot & M. Cáceres, sp. nov., holotype: A, habitus on top of granite boulder, with a Xanthoparmelia; B, detail showing thallus areoles. Scale bars: 1 mm.
FIG. 3 in New lichen species and records from the Chapada dos Guimarães, Mato Grosso, Brazil
FIG. 3. — Gassicurtia lopesiana sp. nov.,(left) and Gassicurtia pruinosa sp. nov. (right) under 365 nm UV light, A.Aptroot & M.F.Souza 81496. Width of picture 20 mm.
FIG. 6 in Multi-aged forest fragments in Atlantic France that are surrounded by meadows retain a richer epiphyte lichen flora
FIG. 6. — The gamma diversity indicated that the highest number of lichen species was recorded on larger trees in the interiors of the FFs surrounded by meadows (legend is as in Fig. 2).
FIG. 3 in Multi-aged forest fragments in Atlantic France that are surrounded by meadows retain a richer epiphyte lichen flora
FIG. 3. — The significant effect of host tree species (A) and shrub cover (B) on lichen species abundance according to a summary of the GLMMs. The GLMM results are presented for the interior forest at the tree level within FFs surrounded by meadows, taking into account the larger tree category (trees that range in circumference between 0.56 and 2.97).
FIG. 5 in Multi-aged forest fragments in Atlantic France that are surrounded by meadows retain a richer epiphyte lichen flora
FIG. 5. — The significant effect of tree circumference on the number of lichen species according to the summary of the GLMMs. The GLMM results are presented at the tree level within FFs surrounded by crops, taking into account the larger tree category (details as in Fig. 2).
FIG. 2 in Multi-aged forest fragments in Atlantic France that are surrounded by meadows retain a richer epiphyte lichen flora
FIG. 2. — The significant effects of: A, B, moss coverage; C, D, tree circumference; and E, F, host tree species on lichen abundance according to a summary of the GLMMs. The values of the estimator (E), standard error (SE), and Wald chi-squared test (chisq), the degrees of freedom (dfs) and significance (p) are presented. The GLMM results are presented for the larger tree category (trees that range in circumference between 0.56 and 2.97) at the tree and forest levels at the exteriors of the FFs surrounded by crops.
FIG. 2. — A, B in The lichen genus Schistophoron Stirt. (Ascomycetes, Graphidaceae) in Brazil with a world key to the species
FIG. 2. — A, B, Schistophoron indicum Kr.P.Singh & Swarnalatha (Spielmann et al. 9546): A, ascomata; B, ascospores, shape and septation. C-F, Schistophoron tenue Stirt. (Spielmann et al. 5368): C, ascomata; D, ascospores, shape and septation; E, scanning electronic photo of a mazedium; F, scanning electronic photo of ornamented ascospore. Scale bars: A-C, 0.5 mm; B-D, 2 µm; E, 50 µm; F, 1 µm.
FIG. 1 in Multi-aged forest fragments in Atlantic France that are surrounded by meadows retain a richer epiphyte lichen flora
FIG. 1. — The location of the study area within the Poitou-Charentes region (western France). Source: Google Earth Pro V 7.3.2.5776. (14 December 2015). France. 45°21'34.14"N, 0°12'32.38"W, Eye alt 340.93 km. SIO, NOAA, U.S. Navy, NGA, GEBCO. US Dept of State Geographer. Landsat/Copernicus 2018. http://www. earth.google.com (13 February 2019).
FIG. 1 in The lichen genus Schistophoron Stirt. (Ascomycetes, Graphidaceae) in Brazil with a world key to the species
FIG. 1. — Geographic distribution of Schistophoron Stirt. species. The yellow dot corresponds to S. aurantiacum Aptroot & Sipman; the green dots to S. indicum Kr.P.Singh & Swarnalatha; the blue dots to S. tenue Stirt.; the red dot to S. muriforme Weerakoon & Aptroot; the violet dots to S. variabile Tibell.
FIG. 3 in Changes in functional and taxonomic diversity and composition of corticolous lichens in an altitudinal gradient in Colombia
FIG. 3. — Lichen diversity and vegetation richness in the Chocó region of Valle del Cauca, Colombi: A, mean and standard error for alpha lichen diversity along the altitudinal gradient; B, mean and standard error for alpha lichen diversity by locality and microhabitat; C, beta lichen diversity; D, total lichen species richness (observed and rarefied) by locality.
FIG. 1 in Changes in functional and taxonomic diversity and composition of corticolous lichens in an altitudinal gradient in Colombia
FIG. 1. — Map of the department of Valle del Cauca, Colombia, showing the sampling points: Δ, Chucheros; Z, Pericos; •, El Queremal; O, Cerro El Inglés; ^, Pico Pance.
FIG. 5. — A in Changes in functional and taxonomic diversity and composition of corticolous lichens in an altitudinal gradient in Colombia
FIG. 5. — A, non-metric multidimensional scaling for composition of lichen species along the gradient (Stres=0.21); B, detrended correspondence analysis for the lichen functional traits along the gradient. In both graphs there is a clear separation between elevations, showing a gradient of species composition and functional traits along the altitudinal gradient. Locations: z, Alto Pance; +, Cerro El Inglés; X, El Queremal; •, Pericos; , Chucheros.
FIG. 3. — A in Analysis of lichen secondary chemistry doubled the number of Cetrelia W.L. Culb. & C.F. Culb. species (Parmeliaceae, lichenised Ascomycota) in Hungary
FIG. 3. — A detail of the chromatographic plate TLC nr 1903 developed in solvent system C presenting C. chicitae (W.L. Culb.) W.L. Culb. & C.F. Culb. specimens under UV 254 nm (A), UV 366 nm (B) and sprayed with anisaldehyde/sulphuric acid (C). Specimens in positions 3-9 are: 3, from Page County, Virginia, United States (BP 75822); 4, from the Bükk Mts, Hungary (BP 71276); 5, from the Zemplén Mts, Hungary (BP 49905); 6, from Pocahontas County, West Virginia, United States (BP 91365); 7, from Ukraine (BP 44999); 8, from Romania (BP 85320); 9, from Poland (BP 21508). Abbreviations of LSMs are according to Table 2.
FIG. 2 in Changes in functional and taxonomic diversity and composition of corticolous lichens in an altitudinal gradient in Colombia
FIG. 2. — Number of species of the lichen families with higher diversity at each locality in the Chocó region of Valle del Cauca, Colombia.
FIG. 6 in Changes in functional and taxonomic diversity and composition of corticolous lichens in an altitudinal gradient in Colombia
FIG. 6. — Community Weighted Means (CWMs) of functional lichen traits along the altitudinal gradient in the Chocó region of Valle del Cauca, Colombia: A, crustose thallus; B, crustose thallus by microhabitat; C, foliose thallus; D, fruticose thallus; E, fruticose thallus by microhabitat; F, rhizines by microhabitat; G, cyanobacterial photobiont; H, vegetative propagules; I, ascoma; J, ascospore septation (septate, muriform and simple); K, thickness of the ascospore wall; L, size of the ascospores.
FIG. 7 in Changes in functional and taxonomic diversity and composition of corticolous lichens in an altitudinal gradient in Colombia
FIG. 7. — Functional diversity along the altitudinal gradient: A, relative Rao Index; B, functional Dominance.
FIG. 4 in Changes in functional and taxonomic diversity and composition of corticolous lichens in an altitudinal gradient in Colombia
FIG. 4. — Scatter plot for the alpha lichen diversity and tree density ratio in each study site in the Chocó region of Valle del Cauca, Colombia.
FIG. 3 in Trebouxia maresiae sp. nov. (Trebouxiophyceae, Chlorophyta), a new lichenized species of microalga found in coastal environments
FIG. 3. — Ultrastructure of Trebouxia maresiae Garrido-Benavent, Chiva & Barreno, sp. nov. by TEM: A, B, cultured cells; C-F, cells within lichen thallus; F, detail of a pyrenoid. White arrowheads in D, E and F indicate the tubules in pyrenoid periphery that are more similar to these which characterize the gigantea-type pyrenoid. Abbreviations: Chl, chloroplast; CW, cell wall; Pg, pyrenoglobuli; Py, pyrenoid; Tu, tubules; Nu, nucleus; s, starch granules. Scale bars: 2 µm.
FIG. 2 in Trebouxia maresiae sp. nov. (Trebouxiophyceae, Chlorophyta), a new lichenized species of microalga found in coastal environments
FIG. 2. — Habitat and morphology of Trebouxia maresiae Garrido-Benavent, Chiva & Barreno, sp. nov.: A, a thallus of the lichen Seirophora villosa (Ach.) FrÖdén from Es Trenc (Mallorca) with which this microalga associates; orange discs are apothecia produced by the lichen fungus to reproduce sexually; B-H, light microscopy photographs showing the gross morphology of vegetative cells and autosporangia; B, H, young and mature cells; C, central, crenulate chloroplast with a single pyrenoid; D, old cell with carotenoids in the cytoplasm; E-G, development of autosporangia and autospores; I-K, reconstruction of chloroplasts by LSCM; K, crenulate chloroplast with three pyrenoids (white arrowheads); L, reconstructed chloroplast of autospores within an autosporangium. Scale bars: 10 µm.
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International Brain Laboratory public data
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OpenNeuro
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