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11 results for “Siphula”
FIGURE 5 in The genus Siphula Fr. (Icmadophilaceae, Lichenized Fungi) in Venezuela
FIGURE 5. Siphula carassana. Specimen showing dichotomously branched lobes and wrinkled surface (V. Marcano CHU–07–05); scale = 0.5 cm
FIGURE 4 in The genus Siphula Fr. (Icmadophilaceae, Lichenized Fungi) in Venezuela
FIGURE 4. Characteristic substrates of Siphula species in Venezuela. A. S. carassana associated with cyanobacteria on quartzite rock, Churí tepui, Chimantá massif, 2350 m, Guayana Highlands. B. S. decumbens associated with Neuropogon and Usnea on granitic rock, Paramo La Victoria, Sierra Nevada de Mérida, 3200 m, Venezuelan Andes.
FIGURE 3 in The genus Siphula Fr. (Icmadophilaceae, Lichenized Fungi) in Venezuela
FIGURE 3. Typical habitats of Siphula species on Venezuela. A. Humid sandstone tableland, top of Churí tepui, Chimantá massif, 2350 m, Guayana Highlands. B. Exposed rock surfaces, Paramo Los Conejos, Sierra La Culata, 3200 m, Venezuelan Andes.
FIGURE 6. Siphula chimantensis. A in The genus Siphula Fr. (Icmadophilaceae, Lichenized Fungi) in Venezuela
FIGURE 6. Siphula chimantensis. A. ventral surface; scale = 0.5cm. B. dorsal surface (V. Marcano CHU–06–05 holotype); scale = 0.4 cm.
FIGURE 1 in The genus Siphula Fr. (Icmadophilaceae, Lichenized Fungi) in Venezuela
FIGURE 1. Morphological details and chemical relationships in Siphula species from Guayana Highlands. Meta-depsides and chromone: A, S. carassana, wrinkled and branched lobe (thamnolic and decarboxythamnolic acids, siphulin), scale = 0.4 cm; meta-depsides: B, S. chimantensis, flabellate lobes (thamnolic and hypothamnolic acids), scale = 0.5 cm; para-depsides: C, S. subsimplex, short terete and erect lobes with truncate or concave apices (squamatic acid), scale = 2 mm; D, S. subpteruloides, long terete lobe with concave, truncate, not eroded apices (squamatic and baeomycesic acids), scale = 0.5 cm.
FIGURE 6 in Siphula paramensis V. Marcano & L. Castillo (Icmadophilaceae, Lichenized Fungi), a new species from the high paramo in Venezuela
FIGURE 6. Typical habitat of Siphula paramensis on the Sierra Nevada de Merida at the Venezuelan Andes, 3800 m. A. Paramo Los Chorros valley. B. Steep moraine slope. Arrows indicate the site of the populations.
FIGURE 1 in Siphula paramensis V. Marcano & L. Castillo (Icmadophilaceae, Lichenized Fungi), a new species from the high paramo in Venezuela
FIGURE 1. Habit of Siphula paramensis (V. Marcano, L. Castillo & D. Abreu 21–65 holotype); scale = 0.6 cm.
FIGURE 3 in Siphula paramensis V. Marcano & L. Castillo (Icmadophilaceae, Lichenized Fungi), a new species from the high paramo in Venezuela
FIGURE 3. Comparison of cross sections in Siphula paramensis (A and B) and S. subsimplex (C and D). A–B. Specimens showing thin cortex, continuous algal layer and compact medulla (V. Marcano, L. Castillo & D. Abreu 21–65 holotype); A, scale = 0.3 mm; B, scale = 0.4 mm. C–D. Thicker cortex, algal layer sometimes interrupted, and compact medulla with cells occasionally interspersed (V. Marcano CHU-28-05 holotype); scales = 0.4 mm.
FIGURE 5 in Siphula paramensis V. Marcano & L. Castillo (Icmadophilaceae, Lichenized Fungi), a new species from the high paramo in Venezuela
FIGURE 5. Characteristic substrate of Siphula paramensis growing on exposed, granitic rock surfaces in steep slope, Paramo Los Chorros valley, Sierra Nevada de Mérida, Venezuelan Andes.
FIGURE 2 in Siphula paramensis V. Marcano & L. Castillo (Icmadophilaceae, Lichenized Fungi), a new species from the high paramo in Venezuela
FIGURE 2. Comparative details of lobes in Siphula paramensis (A and B) and S. subsimplex (C and D). A–B. Specimens exhibiting rounded, rugose, entire apices (V. Marcano, L. Castillo & D. Abreu 21–65, holotype); scale = 0.6 mm. C–D. Secondary, erect, more or less terete divisions emerging from the apices (V. Marcano CHU–28–05, holotype); C, scale 0.4 mm; D, scale = 0.5 mm.
FIGURE 4 in Siphula paramensis V. Marcano & L. Castillo (Icmadophilaceae, Lichenized Fungi), a new species from the high paramo in Venezuela
FIGURE 4. Rugose surface in the apices of Siphula paramensis exhibiting reticulated lines (V. Marcano, L. Castillo & D. Abreu 21–65 holotype); A, scale = 167 μm; B, scale = 80 μm.
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International Brain Laboratory public data
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OpenNeuro
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