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45 results for “ascospores”
FIGURE 2. Buellia rugosissima, holotype. A. Habit. B. Ascospores showing a strongly rugulate ornamentation. C in Three new species of crustose Physciaceae from Guatemala, with notes on some additional species
FIGURE 2. Buellia rugosissima, holotype. A. Habit. B. Ascospores showing a strongly rugulate ornamentation. C. Buellia-type ascospores.
FIGURE 4. Sculptolumina conradiae, holotype. A. Inmature ascospores with a single lumen. B. Young 1–2-septate ascospores. C–D. Mature 3 in Three new species of crustose Physciaceae from Guatemala, with notes on some additional species
FIGURE 4. Sculptolumina conradiae, holotype. A. Inmature ascospores with a single lumen. B. Young 1–2-septate ascospores. C–D. Mature 3-septate ascospores with four ±rounded lumina (similar to the Conradia-type) and walls not ornamented. D–E. Habit.
FIGURE 3. Hysterodifractum partisporum. A–B. Ascomata. C–D. Ascus with ascospores. E. Asci with ascospores and pseudoparaphyses. F in A new genus and three new species of hysteriaceous ascomycetes from the semiarid region of Brazil
FIGURE 3. Hysterodifractum partisporum. A–B. Ascomata. C–D. Ascus with ascospores. E. Asci with ascospores and pseudoparaphyses. F. Apex of the ascus with ascospores. G–I. Ascospores. Scale bars: A–B = 0.5 mm, C–D = 10 µm, E = 20 µm, F–I = 2 µm.
FIGURE 1. Anteaglonium brasiliense. A–B. Ascomata. C–D. Asci with ascospores and pseudoparaphyses. E. Ascus with ascospores. F–H in A new genus and three new species of hysteriaceous ascomycetes from the semiarid region of Brazil
FIGURE 1. Anteaglonium brasiliense. A–B. Ascomata. C–D. Asci with ascospores and pseudoparaphyses. E. Ascus with ascospores. F–H. Ascospores. Scale bars: A–B = 0.5 mm, C–E = 10 µm, F–H = 5 µm.
FIGURE 2. Goosia melastomatis. A. Hyphae with immature ascomata and hyphopodia. B. Phialides and hyphopodia. C. Asci containing ascospores. D. Ascospores with one septum. E in Englerulaceae (Dothideomycetes)
FIGURE 2. Goosia melastomatis. A. Hyphae with immature ascomata and hyphopodia. B. Phialides and hyphopodia. C. Asci containing ascospores. D. Ascospores with one septum. E. Globose conidia. Scale bars: A, B = 30 µm, C = 15 µm, D, E = 10 µm. Redrawn from Bin (2003).
FIGURE 1. Astrothelium mordonialense. A in Two new species of Astrothelium (Trypetheliaceae) with amyloid ascospores inhabiting the canopy of Quercus humboldtii trees in Colombia
FIGURE 1. Astrothelium mordonialense. A. Thallus with perithecia; B. Perithecia enlarged showing darkened ostiolar area. C. Hymenium showing asci and ascospores reacting IKI + blue; D. Ascopore. Scale = 1 mm in A–B, 100 µm in C, 10 µm in D.
FIGURE 2. Astrothelium rogitamae A in Two new species of Astrothelium (Trypetheliaceae) with amyloid ascospores inhabiting the canopy of Quercus humboldtii trees in Colombia
FIGURE 2. Astrothelium rogitamae A. Thallus with perithecia; B. Perithecium enlarged showing pigmented ostiolar area. C. Ascospore. D. Ascospore showing IKI + blue reaction. Scale = 1 mm in A–B, 10 µm in C–D.
FIGURE. Tolypocladium cucullae (HKAS 55588, holotype). a, b. Material of Tolypocladium cucullae. c. Ascostromata. d. Fertile head of ascostroma. e. Vertical section of stroma. f. Peridium. g–j. Asci. k. Apical cap of asci. l–o. Secondary ascospores. Scale Bars: d = 5 mm, e = 100 µm, f = 50 µm, g–j = 200 µm, k, l–o = 20 µm. in Yunnan-Guizhou Plateau: a mycological hotspot
FIGURE. Tolypocladium cucullae (HKAS 55588, holotype). a, b. Material of Tolypocladium cucullae. c. Ascostromata. d. Fertile head of ascostroma. e. Vertical section of stroma. f. Peridium. g–j. Asci. k. Apical cap of asci. l–o. Secondary ascospores. Scale Bars: d = 5 mm, e = 100 µm, f = 50 µm, g–j = 200 µm, k, l–o = 20 µm.
FIGURE. Roussoella pseudohysterioides (GMB0009). a–d. Ascostromata developing on bamboo culm. e, f. Vertical sections of ascostromata. g–j. Asci containing eight ascospores. k. Fragment of ascostromata in KOH without stromatal pigments. l–m. Ascus apex in Melzer's reagent. n–r. Dark brown ascospores. Scale bars: j–r = 10 μm. in Yunnan-Guizhou Plateau: a mycological hotspot
FIGURE. Roussoella pseudohysterioides (GMB0009). a–d. Ascostromata developing on bamboo culm. e, f. Vertical sections of ascostromata. g–j. Asci containing eight ascospores. k. Fragment of ascostromata in KOH without stromatal pigments. l–m. Ascus apex in Melzer's reagent. n–r. Dark brown ascospores. Scale bars: j–r = 10 μm.
Supplementary material 6 from: Dou M, Liu S, Li J, Aptroot A, Jia Z (2024) Three new Pyrenula species with 3-septate ascospores with red or orange oil when over-mature (Ascomycota, Pyrenulales, Pyrenulaceae) from China. MycoKeys 102: 107-125. https://doi.org/10.3897/mycokeys.102.113619
TLC test of the new species Pyrenula thailandicoides using B solvent systems
Supplementary material 4 from: Dou M, Liu S, Li J, Aptroot A, Jia Z (2024) Three new Pyrenula species with 3-septate ascospores with red or orange oil when over-mature (Ascomycota, Pyrenulales, Pyrenulaceae) from China. MycoKeys 102: 107-125. https://doi.org/10.3897/mycokeys.102.113619
The colour reaction of hamathecium of Pyrenula thailandicoides (LCUF YN18212) just in I
Supplementary material 5 from: Dou M, Liu S, Li J, Aptroot A, Jia Z (2024) Three new Pyrenula species with 3-septate ascospores with red or orange oil when over-mature (Ascomycota, Pyrenulales, Pyrenulaceae) from China. MycoKeys 102: 107-125. https://doi.org/10.3897/mycokeys.102.113619
TLC test of the new species Pyrenula thailandicoides using C solvent systems
Supplementary material 2 from: Dou M, Liu S, Li J, Aptroot A, Jia Z (2024) Three new Pyrenula species with 3-septate ascospores with red or orange oil when over-mature (Ascomycota, Pyrenulales, Pyrenulaceae) from China. MycoKeys 102: 107-125. https://doi.org/10.3897/mycokeys.102.113619
Section of the ascomata of Pyrenula inspersa (LCUF HN17058) showing hamathecium with inspersion
Figure 1 from: Dou M, Liu S, Li J, Aptroot A, Jia Z (2024) Three new Pyrenula species with 3-septate ascospores with red or orange oil when over-mature (Ascomycota, Pyrenulales, Pyrenulaceae) from China. MycoKeys 102: 107-125. https://doi.org/10.3897/mycokeys.102.113619
Figure 1 Phylogeny of the family Pyrenulaceae, based on a two-gene dataset (ITS and nuLSU) and 121 taxa a overview of the entire tree and details of Group 1 b details of Group 2. Most likely tree obtained using MrBayes. Support values are reported above the branches [posterior probability (PP)/bootstrap value (BS)]. Only significant values (higher than 95% PP and higher than 70% BS) are shown. Cyphellophora europaea and Endocarpon pusillum are the out-group taxa.
Figure 4 from: Dou M, Liu S, Li J, Aptroot A, Jia Z (2024) Three new Pyrenula species with 3-septate ascospores with red or orange oil when over-mature (Ascomycota, Pyrenulales, Pyrenulaceae) from China. MycoKeys 102: 107-125. https://doi.org/10.3897/mycokeys.102.113619
Figure 4 Pyrenula apiculata (LCUF YN18172) A, B thallus with apothecia C–E over-mature ascospores with red oil F–I ascospores at different developmental stages, red arrow in F shows gelatinous sheath. Scale bars: 2 mm (A); 1 mm (B); 5 μm (C, E, I); 10 μm (D, F, H); 20 μm (G).
Figure 2 from: Dou M, Liu S, Li J, Aptroot A, Jia Z (2024) Three new Pyrenula species with 3-septate ascospores with red or orange oil when over-mature (Ascomycota, Pyrenulales, Pyrenulaceae) from China. MycoKeys 102: 107-125. https://doi.org/10.3897/mycokeys.102.113619
Figure 2 Pyrenula inspersa (LCUF HN17058) A thallus with apothecia B apothecia and pseudocyphellae C, F–H ascospores at different developmental stages, over-mature ascospores with orange-oil can be seen in C, F and H D section of apothecium E section visualised with polarised light showing cortex of apothecium with crystals, red stars in D–H show the inspersion in hamathecium I–K young ascospores, red arrows show gelatinous halo. Scale bars: 2 mm (A); 1 mm (B); 10 μm (C, I); 200 μm (D, E); 50 μm (F, H); 35 μm (G); 20 μm (J, K).
Figure 3 from: Dou M, Liu S, Li J, Aptroot A, Jia Z (2024) Three new Pyrenula species with 3-septate ascospores with red or orange oil when over-mature (Ascomycota, Pyrenulales, Pyrenulaceae) from China. MycoKeys 102: 107-125. https://doi.org/10.3897/mycokeys.102.113619
Figure 3 Pyrenula thailandicoides (LCUF YN18212) A, B thallus with apothecia C, D ascospores at different developmental stages, over-mature ascospores with red-oil can be seen in C, red arrows in D show gelatinous halo E IKI+ red hamathecium. Scale bars: 2 mm (A); 1 mm (B); 30 μm (C); 20 μm (D); 50 μm (E).
Figure 2 from: Luangsuphabool T, Lumbsch HT, Piapukiew J, Sangvichien E (2018) Architrypethelium murisporum (Ascomycota, Trypetheliaceae), a remarkable new lichen species from Thailand challenging ascospore septation as an indicator of phylogenetic relationships. MycoKeys 34: 25-34. https://doi.org/10.3897/mycokeys.34.23836
Figure 2 Morphological characters of Architrypethelium murisporum (holotype): A thallus and pseudostromata with ascomata B ascus with ascospores and C ascospores. Scale bars: 1 mm (A); 10 μm (B–C).
Figure 1 from: Luangsuphabool T, Lumbsch HT, Piapukiew J, Sangvichien E (2018) Architrypethelium murisporum (Ascomycota, Trypetheliaceae), a remarkable new lichen species from Thailand challenging ascospore septation as an indicator of phylogenetic relationships. MycoKeys 34: 25-34. https://doi.org/10.3897/mycokeys.34.23836
Figure 1 Phylogenetic relationships of Architrypethelium and sister genera based on a combined data set of two DNA loci (mtSSU and nuLSU rDNA). Bootstrap values ≥ 70% and posterior probabilities ≥ 0.95 are shown at above and below branches.
Figure 1 from: Karakehian JM, Quijada L, Friebes G, Tanney JB, Pfister DH (2019) Placement of Triblidiaceae in Rhytismatales and comments on unique ascospore morphologies in Leotiomycetes (Fungi, Ascomycota). MycoKeys 54: 99-133. https://doi.org/10.3897/mycokeys.54.35697
Figure 1 Morphological features of Triblidiaceae. a–d, h–l, uTriblidiumcaliciiformea dried apothecia on bark b same apothecia hydrated c 15 µm thick longitudinal section d dead asci containing living ascospores h–i ascospores j germinating ascospore k dead ascus containing living ascospores, detailing the apex l ascus detailing the apex (phl) u fine transverse striations of dehisced ascus (phl). e–g, m–tHuangshaniaverrucosae habit of apothecia on bark (dried) f detail of dried apothecia g detail of same apothecia hydrated m 15 µm thick longitudinal section in (Cr) n asci (KOH & Mlz) o detail of ascus apex (Cr) p ascospore q ascospore (cb/l) r detail of plug-like structure in a terminal cell of an ascospore s–t detail of verrucose ascospore surface (t in cb/l). All microphotographs of cells and tissues mounted in water unless otherwise noted: Congo red (Cr), cotton blue in lactophenol (cb/l), Melzer's reagent (Mlz), phloxine (phl), potassium hydroxide (KOH). † = dead, * = living. Scale bars: 1 mm (a–b, e–g); 50 µm (c, m–n); 20 µm (h–k, p–q); 10 µm (l, o); 5 µm (r–u). Specimens photographed: T.caliciiforme: a–b, d, j GJO-0088904; i FH-15071105; c, h, k–l, u CUP-18080101; H.verrucosa: UME-29336a.
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