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130 results for “ascomycetes”
Table 1 in A phylogenetic survey of the ascomycete genus Arthrorhaphis (Arthrorhaphidaceae, Lecanoromycetes) including new species in Arthrorhaphis citrinella sensu lato
<p><b>Table 1.</b> Strictly lichenicolous species of <i>Arthrorhaphis</i> with their host lichens and references.</p><table><tbody><tr><th>Taxon</th><th>Hosts</th><th>References</th></tr></tbody><tbody><tr><th><i>Arthrorhaphis aeruginosa</i></th><td><i>Cladonia</i> spp. squamules, rarely podetia</td><td>Santesson & Tønsberg, 1994</td></tr><tr><th><i>Arthrorhaphis arctoparmeliae</i></th><td><i>Arctoparmelia incurva</i></td><td>Kocourková & Van den Boom, 2005</td></tr><tr><th><i>Arthrorhaphis grisea</i></th><td><i>Baeomyces rufus</i>, <i>B. placophyllus</i></td><td>Obermayer, 1994</td></tr><tr><th><i>Arthrorhaphis muddii</i></th><td><i>Dibaeis baeomyces</i></td><td>Obermayer, 1994</td></tr><tr><th><i>Arthrorhaphis olivaceae</i></th><td><i>Melanohalea olivacea</i></td><td>Santesson & Tønsberg, 1994</td></tr><tr><th><i>Arthrorhaphis phyllobaeis</i></th><td><i>Phyllobaeis imbricata</i></td><td>Etayo, 2017</td></tr></tbody></table>
Fig. 2 in Terrestrial-aquatic wood-inhabiting ascomycete Potamomyces from the Miocene of Poland
Fig. 2. Fossil ascospores of Potamomyces sp. ex gr. P. armatisporus Hyde, 1995, from Middle (A, B, D–F) and Middle/Upper (C) Miocene of Poland. A. Adamów 2017, slide Adamów 2017/0.1(1) (modified from Worobiec et al. 2022b: fig. 4c). B. Babczyn 2, slide Babczyn 2/2(31). C. Bełchatów KRAM-P 218, slide KRAM-P 218/85(1). D–F. Komorniki 97/72. D. Slide Komorniki 97/72/104.7(2). E. Slide Komorniki 97/72/104.7(3). F. Slide Komorniki 97/72/104.7(4). Scale bars 10 μm.
Fig. 1 in Terrestrial-aquatic wood-inhabiting ascomycete Potamomyces from the Miocene of Poland
Fig. 1. Location of the investigated Miocene localities in Poland (aster- sisks) where ascospores of Potamomyces were found.
Linked collectors and determiners for: Ascomycetes externi.
Natural history specimen data linked to collectors and determiners held within, "Ascomycetes externi". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/bec77265-2883-4d41-a405-6683b8ec56e3">https://bionomia.net/dataset/bec77265-2883-4d41-a405-6683b8ec56e3</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/bec77265-2883-4d41-a405-6683b8ec56e3">https://gbif.org/dataset/bec77265-2883-4d41-a405-6683b8ec56e3</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Ascomycetes Fennoscandiae orientalis.
Natural history specimen data linked to collectors and determiners held within, "Ascomycetes Fennoscandiae orientalis". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/152b320f-7845-44c5-b669-df5f190c07ad">https://bionomia.net/dataset/152b320f-7845-44c5-b669-df5f190c07ad</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/152b320f-7845-44c5-b669-df5f190c07ad">https://gbif.org/dataset/152b320f-7845-44c5-b669-df5f190c07ad</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Bitunicate ascomycetes (Dothideomycetes and Chaetothyriomycetidae) on bark and wood of selected hosts in Norway.
Natural history specimen data linked to collectors and determiners held within, "Bitunicate ascomycetes (Dothideomycetes and Chaetothyriomycetidae) on bark and wood of selected hosts in Norway". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/ca0d8107-a2bd-47a1-91a1-250179b534ec">https://bionomia.net/dataset/ca0d8107-a2bd-47a1-91a1-250179b534ec</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/ca0d8107-a2bd-47a1-91a1-250179b534ec">https://gbif.org/dataset/ca0d8107-a2bd-47a1-91a1-250179b534ec</a>. Formatted as a Frictionless Data package.
Fig. 6. A in A phylogenetic survey of the ascomycete genus Arthrorhaphis (Arthrorhaphidaceae, Lecanoromycetes) including new species in Arthrorhaphis citrinella sensu lato
Fig. 6. A, Arthrorhaphis aeruginosa (TØnsberg 19019, BG, holotype); B, A. arctoparmeliae (Kocourková & Kocourek JK5484 dpl., C); C, A. olivaceae (Santesson 11677, BG, isotype); D, A. muddii (Woods s.n., E, holotype); E, A. grisea (Th.M. Fries s.n., UPS, holotype); F, A. vulgaris (Norrlin s.n., H). — Scale: A–C, 0.5 mm; D–F, 1 mm. Photos: A. Frisch.
Fig. 5 in A phylogenetic survey of the ascomycete genus Arthrorhaphis (Arthrorhaphidaceae, Lecanoromycetes) including new species in Arthrorhaphis citrinella sensu lato
Fig. 5. Ascospore types distinguished in lichenised Arthrorhaphis (schematic redrawing based on illustrations in Obermayer, 1994, 1995; compare the cited literature for further details). A, Citrinella type; B, Alpina type; C, Vacillans type; D, Jungens type. — Ascospores of the citrinella type are arranged parallel, 1-seriate, while those of the alpina, vacillans, and jungens types are stacked in the asci. Ascospores of the variable jungens type are intermediary between the alpina and vacillans types, and either resembling the vacillans type but longer, or similar in size but 4–5(–7)-septate. — Scale: A–D, 10 μm.
Fig. 1. Bayesian 50 in A phylogenetic survey of the ascomycete genus Arthrorhaphis (Arthrorhaphidaceae, Lecanoromycetes) including new species in Arthrorhaphis citrinella sensu lato
Fig. 1. Bayesian 50% majority-rule consensus tree from analysis of MSA-1, showing the placement of Arthrorhaphis as sister to Ostropales, Ostropomycetidae. Branches supported by BPP ≥ 0.95 and ML BS ≥ 70% are indicated by bold black lines; branches supported only by BPP ≥ 0.95 are indicated by bold grey lines. Numbers in brackets represent clades discussed in the text.
Fig. 2. Bayesian 50 in A phylogenetic survey of the ascomycete genus Arthrorhaphis (Arthrorhaphidaceae, Lecanoromycetes) including new species in Arthrorhaphis citrinella sensu lato
Fig. 2. Bayesian 50% majority-rule consensus tree from analysis of MSA-2, showing the basal position of the exclusively parasitic species in Arthrorhaphis. The evolution of lichenised thalli containing pulvinic acid derivatives in the A. alpina- and the A. citrinella s.l. clades is indicated by an asterisk. Branches supported by BPP ≥ 0.95 and ML BS ≥ 70% are indicated by bold black lines; branches supported only by BPP ≥ 0.95 are indicated by bold grey lines. Numbers in brackets represent clades discussed in the text. Graphical representation of species delimitations in bGMYC, bPtP and bP&P: Colours represent delimited species for each species delimitation analysis independently, but have been selected to highlight delimitations congruent across analyses. White represents missing data. The colouring scheme applies only to the current figure.
Fig. 4 in A phylogenetic survey of the ascomycete genus Arthrorhaphis (Arthrorhaphidaceae, Lecanoromycetes) including new species in Arthrorhaphis citrinella sensu lato
Fig. 4. Partial representation of the Bayesian 50% majority-rule consensus tree from analysis of MSA-2, showing the Arthrorhaphis citrinella s.l. clade. Branches supported by BPP ≥ 0.95 and ML BS ≥ 70% are indicated by bold black lines; branches supported only by ML BS ≥ 70% are indicated by thin double lines. Numbers in brackets represent clades discussed in the text. Character states: 1 Life form: juvenile parasitism absent (light green), present (reddish brown), missing data (white). 2 Thallus areolae: present (yellow), absent (white); 3 Soredia: citrinella type (turquoise), farinosa type (light green), vulgaris type (dark green), absent (white); 4 Medulla: pale yellow (yellow), cavity (grey), absent (white); 5 Ca-oxalate crystals: absent (white); 6 Ascospores: citrinella type (blue), absent (white). Graphical representation of species delimitations in bGMYC, bPtP, and bP&P: Colours represent delimited species for each species delimitation analysis independently, but have been selected to highlight delimitations congruent across analyses. White represents missing data. The colouring scheme applies only to the current figure.
Fig. 8. A in A phylogenetic survey of the ascomycete genus Arthrorhaphis (Arthrorhaphidaceae, Lecanoromycetes) including new species in Arthrorhaphis citrinella sensu lato
Fig. 8. A, Arthrorhaphis alpina (Schaer., Lichenes Helvetici Exsiccati 532, G, lectotype); B, A. alpina var. jungens (Lichenotheca Graecensis 23, E, isotype); C, A. alpina (Ohmura 10119, TNS); D, A. alpina var. jungens (Kalb, Lichenes Neotropici 577, M); E, A. alpina (Brusse 4515, UPS); F, "A. septentrionalis" (Hansen 026, C). — Scale: A–F, 1 mm. Photos: A. Frisch.
Figure 2 in Genome-level analyses resolve an ancient lineage of symbiotic ascomycetes
Figure 2. Stability of phylogenomic topologies using analyses with concatenated alignments and gene tree coalescence (A) Congruence of major class-level clades across 481 genomes including one sample for every available genus of Ascomycota and representatives of Basidiomycota (compared trees are in Data S2A, S2B, and S2C; see Star Methods). (B) Congruence of sampled lineages within Lichinomycetes based on the same two methods. Red lines indicate edges incongruent between the two methods. A complete comparison of edges is in Data S1H. (C) Gene and site phylogenetic signal for the two methodological approaches. Related to Data S1K. (D) Phylogenetic signal of three topological hypotheses of the relationship of Lichinomycetes, Lecanoromycetes, and Eurotiomycetes. Statistical differences from Gtest (withratios 1:1 and 1:1:1 respectively) isexpressedas *** p <0.001. Relatedto Data S1K.
Figure 3 in Genome-level analyses resolve an ancient lineage of symbiotic ascomycetes
Figure 3. Lifestyle diversity of Lichinomycetes (A) Stegobium paniceum beetle host of Symbiotaphrinabuchneri (photo by Nikolai Vladimirov). (B) Candelina submexicana, a lichen from rocks in Mexico. (C) Sarea resinae, a fungus on conifer resin in boreal forests. (D) Geoglossum glabrum, an earth-tongue of Sphagnum bogs (photo by Jozef Pavlík). (E) Chaenotheca chrysocephala, a ''pin lichen'' of ancient forests. (F) Pycnora praestabilis, a lichen on wood in the Alps. (G) Vezdaea aestivalis, a lichen on plant detritus in the Rocky Mountains. (H) Piccolia ochrophora, a lichen on poplar bark in British Columbia, Canada. (I) Lichina confinis, a lichen on seashore rocks in western Scotland. Photos by the authors except where indicated.
Figure S1 in Genome-level analyses resolve an ancient lineage of symbiotic ascomycetes
Figure S1. Ancestral node reconstruction of CAZymes putatively degrading cellulose, lignin and pectin. Relatedto Figure 1. Ancestral nodes are display as letters in the tree, with colored stars referring the three nodes that were included in the PCA analyses: MRCA Lichinomycetes in blue; MRCA Lichinomycetes + Lecanoromycetes and Eurotiomycetes in green; and the MRCA of Arthoniomycetes and Dothideomycetes + Lichinomycetes, Lecanoromycetes and Eurotiomycetes in orange. Color is scaled per CAZyme. Columns with an asterisk did not converge at the ancestral state estimation (convergence =1).
Figure 1 in Genome-level analyses resolve an ancient lineage of symbiotic ascomycetes
Figure 1. Position of newly sampled early-diverging lineages in a maximum likelihood reconstruction of 115 Ascomycota genomes based on 1,292 concatenated loci Dating based on the program LSD2 with six fossils, showing confidence interval bars (see Star Methods). Newly generated genomes are indicated by bold text; underlying highlighting indicates ascomycotan classes in which these lineages have been placed until now. Single asterisk = lineages classified in ''orphan'' classes; double asterisk = additionally sampled putatively early-diverging lineages. Genome size, GC content, number of genes, tRNAs, CAZy classes, Pfams, and BGCs based on de novo annotations of all genomes. Voucher data on newly sequenced genomes are in Table S1; expanded background data on genome assemblies and annotations are found in Table S2 and Data S1L and S1Mand on CAZyme and BGC annotations in Data S1O and S1P. An underlying tree with 481 taxa is in Data S2B and S2D, an expanded CAZyme heat map with node dating is in Figure S1, and underlying CAZyme and BGC data are in Data S2E and S2F.
FIG. 2 in New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil
FIG. 2. — Section through ascoma of Melomastia septemseptata sp. nov. (holo-, CGMS). Scale bar: 200 μm.
FIG. 3 in New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil
FIG. 3. — Section through ascoma of Melomastia septemseptata sp. nov. (holo-, CGMS). Scale bar: 20 μm.
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 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.
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