Scholars@Duke
Francois M. Lutzoni

Francois M. Lutzoni

Professor of Biology
Biology
francois.lutzoni@duke.edu
Box 90338, Durham, NC 27708-0338
357 Bio Sci Bldg, Durham, NC 27708

Selected Publications

Environmental drivers and cryptic biodiversity hotspots define endophytes in Earth's largest terrestrial biome.

Journal Article Current biology : CB · March 2024 Understanding how symbiotic associations differ across environmental gradients is key to predicting the fate of symbioses as environments change, and it is vital for detecting global reservoirs of symbiont biodiversity in a changing world.1 ... Full text Cite

High species richness in the lichen genus Peltigera (Ascomycota, Lecanoromycetes): 34 species in the dolichorhizoid and scabrosoid clades of section Polydactylon, including 24 new to science

Journal Article Persoonia: Molecular Phylogeny and Evolution of Fungi · December 1, 2023 Applying molecular methods to fungi establishing lichenized associations with green algae or cyanobacteria has repeatedly revealed the existence of numerous phylogenetic taxa overlooked by classical taxonomic approaches. Here, we report taxonomical conclus ... Full text Cite

Towards a nomenclatural clarification of the Peltigera ponojensis/monticola clade including metagenomic sequencing of type material and the introduction of P. globulata Miadl. & Magain sp. nov.

Journal Article Lichenologist · September 22, 2023 Peltigera globulata Miadl. & Magain, a new species in the P. ponojensis/monticola species complex of section Peltigera, is formally described. This clade was previously given the interim designation Peltigera sp. 17. It is found in sun-exposed and xeric ha ... Full text Cite

Ancient Rapid Radiation Explains Most Conflicts Among Gene Trees and Well-Supported Phylogenomic Trees of Nostocalean Cyanobacteria.

Journal Article Systematic biology · June 2023 Prokaryotic genomes are often considered to be mosaics of genes that do not necessarily share the same evolutionary history due to widespread horizontal gene transfers (HGTs). Consequently, representing evolutionary relationships of prokaryotes as bifurcat ... Full text Cite

Contribution to a modern treatment of Graphidaceae biodiversity in South Africa: genera of tribe Graphideae with hyaline ascospores

Journal Article Lichenologist · September 12, 2022 Additions and corrections are provided for the South African species of Graphidaceae tribe Graphideae with hyaline ascospores. Allographa oldayana I. Medeiros sp. nov. is described as new to science based on morphological, chemical and molecular data. The ... Full text Cite

Comparative transcriptomics of fungal endophytes in co-culture with their moss host Dicranum scoparium reveals fungal trophic lability and moss unchanged to slightly increased growth rates.

Journal Article The New phytologist · June 2022 Mosses harbor fungi whose interactions within their hosts remain largely unexplored. Trophic ranges of fungal endophytes from the moss Dicranum scoparium were hypothesized to encompass saprotrophism. This moss is an ideal host to study fungal trophic labil ... Full text Cite

Community dynamics of soil-borne fungal communities along elevation gradients in neotropical and palaeotropical forests.

Journal Article Molecular ecology · April 2022 Because of their steep gradients in abiotic and biotic factors, mountains offer an ideal setting to illuminate the mechanisms that underlie patterns of species distributions and community assembly. We compared the composition of taxonomically and functiona ... Full text Cite

Ecological generalism drives hyperdiversity of secondary metabolite gene clusters in xylarialean endophytes.

Journal Article The New phytologist · February 2022 Although secondary metabolites are typically associated with competitive or pathogenic interactions, the high bioactivity of endophytic fungi in the Xylariales, coupled with their abundance and broad host ranges spanning all lineages of land plants and lic ... Full text Cite

Phylogenetic structure of specialization: A new approach that integrates partner availability and phylogenetic diversity to quantify biotic specialization in ecological networks.

Journal Article Ecology and evolution · February 2022 Biotic specialization holds information about the assembly, evolution, and stability of biological communities. Partner availabilities can play an important role in enabling species interactions, where uneven partner availabilities can bias estimates of bi ... Full text Cite

Exploring syntenic conservation across genomes for phylogenetic studies of organisms subjected to horizontal gene transfers: A case study with Cyanobacteria and cyanolichens.

Journal Article Molecular phylogenetics and evolution · September 2021 Understanding the evolutionary history of symbiotic Cyanobacteria at a fine scale is essential to unveil patterns of associations with their hosts and factors driving their spatiotemporal interactions. As for bacteria in general, Horizontal Gene Transfers ... Full text Cite

New and Interesting Fungi. 4.

Journal Article Fungal systematics and evolution · June 2021 An order, family and genus are validated, seven new genera, 35 new species, two new combinations, two epitypes, two lectotypes, and 17 interesting new host and / or geographical records are introduced in this study. Validated order, family and genus: Su ... Full text Cite

Climate and seasonality drive the richness and composition of tropical fungal endophytes at a landscape scale.

Journal Article Communications biology · March 2021 Featured Publication Understanding how species-rich communities persist is a foundational question in ecology. In tropical forests, tree diversity is structured by edaphic factors, climate, and biotic interactions, with seasonality playing an essential role at landscape scales ... Full text Cite

Turnover of Lecanoroid Mycobionts and Their Trebouxia Photobionts Along an Elevation Gradient in Bolivia Highlights the Role of Environment in Structuring the Lichen Symbiosis.

Journal Article Frontiers in microbiology · January 2021 Shifts in climate along elevation gradients structure mycobiont-photobiont associations in lichens. We obtained mycobiont (lecanoroid Lecanoraceae) and photobiont (Trebouxia alga) DNA sequences from 89 lichen thalli collected in Bolivia from a ca. 4 ... Full text Cite

101 Dothideomycetes genomes: A test case for predicting lifestyles and emergence of pathogens.

Journal Article Studies in mycology · June 2020 Dothideomycetes is the largest class of kingdom Fungi and comprises an incredible diversity of lifestyles, many of which have evolved multiple times. Plant pathogens represent a major ecological niche of the class Dothideomycetes and they are ... Full text Cite

Peltigera hydrophila (Lecanoromycetes, Ascomycota), a new semi-aquatic cyanolichen species from Chile

Journal Article Plant and Fungal Systematics · June 1, 2020 Peltigera hydrophila, a new species from Chile tentatively distinguished based on phylogenetic evidence but not yet named, is formally described here. Morphological differences (e.g., non-tomentose thallus) and habitat preferences (semi-aquatic) corroborat ... Full text Cite

Peltigera serusiauxii (Lecanoromycetes, Ascomycota), a new species from Papua New Guinea and Malaysia

Journal Article Plant and Fungal Systematics · June 1, 2020 Peltigera serusiauxii is proposed here as a new species from Papua New Guinea and Sabah, northern Borneo (Malaysia). The species belongs to the polydactyloid clade of section Polydactylon. Because of its large thalli with a glabrous upper surface, this spe ... Full text Cite

Molybdenum threshold for ecosystem scale alternative vanadium nitrogenase activity in boreal forests.

Journal Article Proceedings of the National Academy of Sciences of the United States of America · December 2019 Biological nitrogen fixation (BNF) by microorganisms associated with cryptogamic covers, such as cyanolichens and bryophytes, is a primary source of fixed nitrogen in pristine, high-latitude ecosystems. On land, low molybdenum (Mo) availability has been sh ... Full text Cite

Biodiversity assessment of ascomycetes inhabiting Lobariella lichens in Andean cloud forests led to one new family, three new genera and 13 new species of lichenicolous fungi

Journal Article Plant and Fungal Systematics · December 1, 2019 Neotropical mountain forests are characterized by having hyperdiverse and unusual fungi inhabiting lichens. The great majority of these lichenicolous fungi (i.e., detectable by light microscopy) remain undescribed and their phylogenetic relationships are m ... Full text Cite

Host availability drives distributions of fungal endophytes in the imperilled boreal realm.

Journal Article Nature ecology & evolution · October 2019 Boreal forests represent the world's largest terrestrial biome and provide ecosystem services of global importance. Highly imperilled by climate change, these forests host Earth's greatest phylogenetic diversity of endophytes, a hyperdiverse group of symbi ... Full text Cite

The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata.

Journal Article BMC Genomics · July 23, 2019 BACKGROUND: Lichens, encompassing 20,000 known species, are symbioses between specialized fungi (mycobionts), mostly ascomycetes, and unicellular green algae or cyanobacteria (photobionts). Here we describe the first parallel genomic analysis of the mycobi ... Full text Link to item Cite

Differential gene expression associated with fungal trophic shifts along the senescence gradient of the moss Dicranum scoparium.

Journal Article Environmental microbiology · July 2019 Bryophytes harbour microbiomes, including diverse communities of fungi. The molecular mechanisms by which perennial mosses interact with these fungal partners along their senescence gradients are unknown, yet this is an ideal system to study variation in g ... Full text Cite

Species diversification and phylogenetically constrained symbiont switching generated high modularity in the lichen genus Peltigera

Journal Article Journal of Ecology · July 1, 2019 Ecological interactions range from purely specialized to extremely generalized in nature. Recent research has showed very high levels of specialization in the cyanolichens involving Peltigera (mycobionts) and their Nostoc photosynthetic partners (cyanobion ... Full text Cite

T-BAS Version 2.1: Tree-Based Alignment Selector Toolkit for Evolutionary Placement of DNA Sequences and Viewing Alignments and Specimen Metadata on Curated and Custom Trees.

Journal Article Microbiology resource announcements · July 2019 The Tree-Based Alignment Selector (T-BAS) toolkit combines phylogenetic-based placement of DNA sequences with alignment and specimen metadata visualization tools in an integrative pipeline for analyzing microbial biodiversity. The release of T-BAS version ... Full text Cite

Contemporaneous radiations of fungi and plants linked to symbiosis.

Journal Article Nature communications · December 2018 Interactions between fungi and plants, including parasitism, mutualism, and saprotrophy, have been invoked as key to their respective macroevolutionary success. Here we evaluate the origins of plant-fungal symbioses and saprotrophy using a time-calibrated ... Full text Cite

Species in section Peltidea (aphthosa group) of the genus Peltigera remain cryptic after molecular phylogenetic revision

Journal Article Plant and Fungal Systematics · December 1, 2018 Closely related lichen-forming fungal species circumscribed using phenotypic traits (morphospecies) do not always align well with phylogenetic inferences based on molecular data. Using multilocus data obtained from a worldwide sampling, we inferred phyloge ... Full text Cite

Contrasting Symbiotic Patterns in Two Closely Related Lineages of Trimembered Lichens of the Genus Peltigera

Journal Article Frontiers in Microbiology · November 16, 2018 Species circumscription is key to the characterization of patterns of specificity in symbiotic systems at a macroevolutionary scale. Here, a worldwide phylogenetic framework was used to assess the biodiversity and symbiotic patterns of association among pa ... Full text Cite

Stable isotope analyses reveal previously unknown trophic mode diversity in the Hymenochaetales.

Journal Article American journal of botany · November 2018 Premise of the studyThe Hymenochaetales are dominated by lignicolous saprotrophic fungi involved in wood decay. However, the group also includes bryophilous and terricolous taxa, but their modes of nutrition are not clear. Here, we investigate pat ... Full text Cite

Species delimitation at a global scale reveals high species richness with complex biogeography and patterns of symbiont association in peltigera section peltigera (Lichenized ascomycota: Lecanoromycetes)

Journal Article Taxon · October 1, 2018 This comprehensive phylogenetic revision of sections Peltigera and Retifoveatae of the cyanolichen genus Peltigera is based on DNA sequences from more than 500 specimens from five continents. We amplified five loci (nrITS, β-tubulin and three intergenic sp ... Full text Cite

Strong specificity and network modularity at a very fine phylogenetic scale in the lichen genus Peltigera.

Journal Article Oecologia · July 2018 Identifying the drivers and evolutionary consequences of species interactions is a major goal of community ecology. Network-based analyses can provide mathematical tools to detect non-random patterns of interactions, and potentially help predicting the con ... Full text Cite

Bioclimatic factors at an intrabiome scale are more limiting than cyanobiont availability for the lichen-forming genus Peltigera.

Journal Article American journal of botany · July 2018 Premise of the studyFactors shaping spatiotemporal patterns of associations in mutualistic systems are poorly understood. We used the lichen-forming fungi Peltigera and their cyanobacterial partners Nostoc to investigate the spatial structure of t ... Full text Cite

RNA-based analyses reveal fungal communities structured by a senescence gradient in the moss Dicranum scoparium and the presence of putative multi-trophic fungi.

Journal Article The New phytologist · June 2018 Diverse plant-associated fungi are thought to have symbiotrophic and saprotrophic states because they can be isolated from both dead and living plant tissues. However, such tissues often are separated in time and space, and fungal activity at various stage ... Full text Cite

Molecular data favours a monogeneric Peltulaceae (Lichinomycetes)

Journal Article Lichenologist · May 1, 2018 The family Peltulaceae is currently composed of the three genera Peltula, Phyllopeltula and Neoheppia. The last two genera, both with two species, are distinguished from Peltula only by a small number of morphological characters. The morphology of the genu ... Full text Cite

Conserved genomic collinearity as a source of broadly applicable, fast evolving, markers to resolve species complexes: A case study using the lichen-forming genus Peltigera section Polydactylon.

Journal Article Molecular phylogenetics and evolution · December 2017 Synteny can be maintained for certain genomic regions across broad phylogenetic groups. In these homologous genomic regions, sites that are under relaxed purifying selection, such as intergenic regions, could be used broadly as markers for population genet ... Full text Cite

Multi-locus phylogeny supports the placement of endocarpon pulvinatum within staurothele s. Str. (lichenised ascomycetes, eurotiomycetes, verrucariaceae)

Journal Article Phytotaxa · May 5, 2017 Within the lichen family Verrucariaceae, the genera Endocarpon, Willeya and Staurothele are characterised by muriform ascospores and the presence of algal cells in the hymenium. Endocarpon thalli are squamulose to subfruticose, whereas Willeya and Stauroth ... Full text Cite

T-BAS: Tree-Based Alignment Selector toolkit for phylogenetic-based placement, alignment downloads and metadata visualization: an example with the Pezizomycotina tree of life.

Journal Article Bioinformatics (Oxford, England) · April 2017 MotivationHigh-quality phylogenetic placement of sequence data has the potential to greatly accelerate studies of the diversity, systematics, ecology and functional biology of diverse groups. We developed the Tree-Based Alignment Selector (T-BAS) ... Full text Cite

Biological nitrogen fixation by alternative nitrogenases in boreal cyanolichens: importance of molybdenum availability and implications for current biological nitrogen fixation estimates.

Journal Article The New phytologist · January 2017 Cryptogamic species and their associated cyanobacteria have attracted the attention of biogeochemists because of their critical roles in the nitrogen cycle through symbiotic and asymbiotic biological fixation of nitrogen (BNF). BNF is mediated by the nitro ... Full text Cite

Macroevolution of Specificity in Cyanolichens of the Genus Peltigera Section Polydactylon (Lecanoromycetes, Ascomycota).

Conference Systematic biology · January 2017 Patterns of specificity among symbiotic partners are key to a comprehensive understanding of the evolution of symbiotic systems. Specificity of mutualistic partners, within a widespread monophyletic group for which all species are sampled has rarely been e ... Full text Cite

Photobiont associations in co-occurring umbilicate lichens with contrasting modes of reproduction in coastal Norway

Journal Article Lichenologist · September 1, 2016 The identity and phylogenetic placement of photobionts associated with two lichen-forming fungi, Umbilicaria spodochroa and Lasallia pustulata were examined. These lichens commonly grow together in high abundance on coastal cliffs in Norway, Sweden and Fin ... Full text Cite

Wood staining fungi revealed taxonomic novelties in Pezizomycotina: New order Superstratomycetales and new species Cyanodermella oleoligni.

Journal Article Studies in mycology · September 2016 A culture-based survey of staining fungi on oil-treated timber after outdoor exposure in Australia and the Netherlands uncovered new taxa in Pezizomycotina. Their taxonomic novelty was confirmed by phylogenetic analyses of multi-locus sequences (ITS ... Full text Cite

Contributions of North American endophytes to the phylogeny, ecology, and taxonomy of Xylariaceae (Sordariomycetes, Ascomycota).

Journal Article Molecular phylogenetics and evolution · May 2016 The Xylariaceae (Sordariomycetes) comprise one of the largest and most diverse families of Ascomycota, with at least 85 accepted genera and ca. 1343 accepted species. In addition to their frequent occurrence as saprotrophs, members of the family often are ... Full text Cite

Interaction type influences ecological network structure more than local abiotic conditions: evidence from endophytic and endolichenic fungi at a continental scale.

Journal Article Oecologia · January 2016 Understanding the factors that shape community assembly remains one of the most enduring and important questions in modern ecology. Network theory can reveal rules of community assembly within and across study systems and suggest novel hypotheses regarding ... Full text Cite

Determination of elemental baseline using peltigeralean lichens from Northeastern Canada (Québec): Initial data collection for long term monitoring of the impact of global climate change on boreal and subarctic area in Canada.

Journal Article The Science of the total environment · November 2015 Northeastern Canada is mostly free of anthropogenic activities. The extent to which this territory has been impacted by anthropogenic atmospheric depositions remains to be studied. The main goal of our study was to establish background levels for metals in ... Full text Cite

A comparison of the community diversity of foliar fungal endophytes between seedling and adult loblolly pines (Pinus taeda).

Journal Article Fungal biology · October 2015 Fungal endophytes represent one of the most ubiquitous plant symbionts on Earth and are phylogenetically diverse. The structure and diversity of endophyte communities have been shown to depend on host taxa and climate, but there have been relatively few st ... Full text Cite

The adaptive radiation of lichen-forming Teloschistaceae is associated with sunscreening pigments and a bark-to-rock substrate shift.

Journal Article Proceedings of the National Academy of Sciences of the United States of America · September 2015 Adaptive radiations play key roles in the generation of biodiversity and biological novelty, and therefore understanding the factors that drive them remains one of the most important challenges of evolutionary biology. Although both intrinsic innovations a ... Full text Cite

Phylogenetic analyses of eurotiomycetous endophytes reveal their close affinities to Chaetothyriales, Eurotiales, and a new order - Phaeomoniellales.

Journal Article Molecular phylogenetics and evolution · April 2015 Symbiotic fungi living in plants as endophytes, and in lichens as endolichenic fungi, cause no apparent symptoms to their hosts. They are ubiquitous, ecologically important, hyperdiverse, and represent a rich source of secondary compounds for new pharmaceu ... Full text Cite

Pezizomycotina: Lecanoromycetes

Journal Article · January 1, 2015 Lecanoromycetes is the class of Ascomycota with the largest number of lichen-forming fungi. Members of this class are important components of most terrestrial ecosystems and occur in various habitats and on different substrates, from tropical to polar regi ... Full text Cite

A multigene phylogenetic synthesis for the class Lecanoromycetes (Ascomycota): 1307 fungi representing 1139 infrageneric taxa, 317 genera and 66 families.

Journal Article Molecular phylogenetics and evolution · October 2014 The Lecanoromycetes is the largest class of lichenized Fungi, and one of the most species-rich classes in the kingdom. Here we provide a multigene phylogenetic synthesis (using three ribosomal RNA-coding and two protein-coding genes) of the Lecanoromycetes ... Full text Cite

Genetic variation in horizontally transmitted fungal endophytes of pine needles reveals population structure in cryptic species.

Journal Article American journal of botany · August 2014 Unlabelled•Premise of the studyFungal endophytes comprise one of the most ubiquitous groups of plant symbionts, inhabiting healthy leaves and stems of all major lineages of plants. Together, they comprise immense species richness, but lit ... Full text Cite

Phylogenetic placement, species delimitation, and cyanobiont identity of endangered aquatic Peltigera species (lichen-forming Ascomycota, Lecanoromycetes).

Journal Article American journal of botany · July 2014 • Premise of this study: Aquatic cyanolichens from the genus Peltigera section Hydrothyriae are subject to anthropogenic threats and, therefore, are considered endangered. In this study we addressed the phylogenetic placement of section Hydrothyriae within ... Full text Cite

Is vanadium a biometal for boreal cyanolichens?

Journal Article The New phytologist · May 2014 Molybdenum (Mo) nitrogenase has long been considered the predominant isoenzyme responsible for dinitrogen fixation worldwide. Recent findings have challenged the paradigm of Mo hegemony, and highlighted the role of alternative nitrogenases, such as the van ... Full text Cite

Phylogenetic study of Diploschistes (lichen-forming Ascomycota: Ostropales: Graphidaceae), based on morphological, chemical, and molecular data

Journal Article Taxon · April 20, 2013 The genus Diploschistes includes crustose lichen-forming fungi with a carbonized proper excipulum with lateral paraphyses, and a chemistry dominated by orcinol depsides. However, the taxon D. ocellatus lacks these excipular characters and has β-orcinol dep ... Full text Cite

High-throughput genome sequencing of lichenizing fungi to assess gene loss in the ammonium transporter/ammonia permease gene family.

Journal Article BMC Genomics · April 4, 2013 BACKGROUND: Horizontal gene transfer has shaped the evolution of the ammonium transporter/ammonia permease gene family. Horizontal transfers of ammonium transporter/ammonia permease genes into the fungi include one transfer from archaea to the filamentous ... Full text Link to item Cite

Assessing population structure and host specialization in lichenized cyanobacteria.

Journal Article The New phytologist · April 2013 Coevolutionary theory predicts that the distribution of obligately symbiotic organisms will be determined by the dispersal ability and ecological range of both partners. We examined this prediction for lichen-forming fungi that form obligate symbioses with ... Full text Cite

Culture-based study of endophytes associated with rubber trees in Peru reveals a new class of Pezizomycotina: Xylonomycetes.

Journal Article Molecular phylogenetics and evolution · October 2012 Through a culture-based survey of living sapwood and leaves of rubber trees (Hevea spp.) in remote forests of Peru, we discovered a new major lineage of Ascomycota, equivalent to a class rank. Multilocus phylogenetic analyses reveal that this new lineage o ... Full text Cite

Are widespread morphospecies from the Lecanora dispersa group (lichen-forming Ascomycota) monophyletic?

Journal Article Bryologist · June 1, 2012 To evaluate the current delimitation of broadly distributed morphospecies from the Lecanora dispersa group, the nuclear ribosomal internal transcribed spacer region (ITS1, 5.8S and ITS2) was analyzed phylogenetically and compared to phenotypic data variati ... Full text Cite

Implementing a cumulative supermatrix approach for a comprehensive phylogenetic study of the Teloschistales (Pezizomycotina, Ascomycota).

Journal Article Molecular phylogenetics and evolution · May 2012 The resolution of the phylogenetic relationships within the order Teloschistales (Ascomycota, lichen-forming-fungi), with nearly 2000 known species and outstanding phenotypic diversity, has been hindered by the limitation in the resolving power that single ... Full text Cite

Host and geographic structure of endophytic and endolichenic fungi at a continental scale.

Journal Article American journal of botany · May 2012 Premise of the studyEndophytic and endolichenic fungi occur in healthy tissues of plants and lichens, respectively, playing potentially important roles in the ecology and evolution of their hosts. However, previous sampling has not comprehensively ... Full text Cite

Frequent circumarctic and rare transequatorial dispersals in the lichenised agaric genus Lichenomphalia (Hygrophoraceae, Basidiomycota).

Journal Article Fungal biology · March 2012 Species of the genus Lichenomphalia are mostly restricted to arctic-alpine environments with the exception of Lichenomphalia umbellifera which is also common in northern forests. Although Lichenomphalia species inhabit vast regions in several continents, n ... Full text Cite

Molecular phylogeny of Heteroplacidium, Placidium, and related catapyrenioid genera (Verrucariaceae, lichen-forming Ascomycota).

Journal Article American journal of botany · January 2012 Premise of the studyVerrucariaceae is a fascinating lineage of lichenized fungi for which generic and species delimitation is problematic due to the scarcity of discriminating morphological characters. Members of this family inhabit rocks, but the ... Full text Cite

Photoautotrophic symbiont and geography are major factors affecting highly structured and diverse bacterial communities in the lichen microbiome.

Journal Article Environmental microbiology · January 2012 Although common knowledge dictates that the lichen thallus is formed solely by a fungus (mycobiont) that develops a symbiotic relationship with an alga and/or cyanobacterium (photobiont), the non-photoautotrophic bacteria found in lichen microbiomes are in ... Full text Cite

Multiple horizontal gene transfers of ammonium transporters/ammonia permeases from prokaryotes to eukaryotes: toward a new functional and evolutionary classification.

Journal Article Mol Biol Evol · January 2012 The proteins of the ammonium transporter/methylammonium permease/Rhesus factor family (AMT/MEP/Rh family) are responsible for the movement of ammonia or ammonium ions across the cell membrane. Although it has been established that the Rh proteins are dista ... Full text Link to item Cite

Phylogenetic affiliations of members of the heterogeneous lichen-forming fungi of the genus Lecidea sensu Zahlbruckner (Lecanoromycetes, Ascomycota).

Journal Article Mycologia · September 2011 The genus Lecidea Ach. sensu lato (sensu Zahlbruckner) includes almost 1200 species, out of which only 100 species represent Lecidea sensu stricto (sensu Hertel). The systematic position of the remaining species is mostly unsettled but anticipated to repre ... Full text Cite

Expansion of the Stictidaceae by the addition of the saxicolous lichen-forming genus Ingvariella.

Journal Article Mycologia · July 2011 The monotypic, lichen-forming genus Ingvariella originally was segregated from Diploschistes and placed within the Thelotremataceae (Ostropales) based on aspects of exciple morphology. However, the I+ hymenium and amyloid ascus wall suggest affinities to f ... Full text Cite

A multidimensional study of endophytic fungal diversity

Journal Article IMA Fungus · June 1, 2011 Cite

Hypogymnia phylogeny, including Cavernularia, reveals biogeographic structure

Journal Article Bryologist · June 1, 2011 We inferred phylogenetic relationships using Bayesian and maximum likelihood approaches for two genera of lichenized fungi, Hypogymnia and Cavernularia (Parmeliaceae). Based on the combined ITS and GPD1 dataset from 23 species (49 specimens) of Hypogymnia ... Full text Cite

Align or not to align? Resolving species complexes within the Caloplaca saxicola group as a case study.

Journal Article Mycologia · March 2011 The Caloplaca saxicola group is the main group of saxicolous, lobed-effigurate species within genus Caloplaca (Teloschistaceae, lichen-forming Ascomycota). A recent monographic revision by the first author detected a wide range of morphological variation. ... Full text Cite

Fungal and algal gene expression in early developmental stages of lichen-symbiosis.

Journal Article Mycologia · March 2011 How plants and microbes recognize each other and interact to form long-lasting relationships remains one of the central questions in cellular communication. The symbiosis between the filamentous fungus Cladonia grayi and the single-celled green alga Astero ... Full text Cite

Single origin and subsequent diversification of central Andean endemic Umbilicaria species.

Journal Article Mycologia · January 2011 We studied an Andean endemic group of species of the lichen-forming fungal genus Umbilicaria from the subalpine and low-alpine zone, with their biogeographic center in Bolivia and Peru. A number of species and varieties have been described from this elemen ... Full text Cite

Revisiting photobiont diversity in the lichen family verrucariaceae (ascomycota)

Journal Article European Journal of Phycology · January 1, 2011 The Verrucariaceae (Ascomycota) is a family of mostly lichenized fungi with a unique diversity of algal symbionts, including some algae that are rarely or never associated with other lichens. The phylogenetic position of most of these algae has not yet bee ... Full text Cite

Phylogenetic generic classification of parmelioid lichens (Parmeliaceae, Ascomycota) based on molecular, morphological and chemical evidence

Journal Article Taxon · December 1, 2010 Parmelioid lichens are a diverse and ubiquitous group of foliose lichens. Generic delimitation in parmelioid lichens has been in a state of flux since the late 1960s with the segregation of the large, heterogeneous genus Parmelia into numerous smaller gene ... Full text Cite

Multiple origins of high reciprocal symbiotic specificity at an intercontinental spatial scale among gelatinous lichens (Collemataceae, Lecanoromycetes).

Journal Article Molecular phylogenetics and evolution · September 2010 Because the number of fungal species (mycobionts) exceeds the number of algae and cyanobacteria (photobionts) found in lichens by more than two orders of magnitude, reciprocal one-to-one specificity between one fungal species and one photobiont across thei ... Full text Cite

Phylogenetic study of Catapyrenium s. str. (Verrucariaceae, lichen-forming Ascomycota) and related genus Placidiopsis.

Journal Article Mycologia · March 2010 The current classification of what used to be called Catapyrenium comprises eight genera belonging to distinct lineages in the Verrucariaceae. Previous phylogenetic studies have shown that the redefined genus Catapyrenium (Catapyrenium s. str.) is monophyl ... Full text Cite

Disentangling the Collema-Leptogium complex through a molecular phylogenetic study of the Collemataceae (Peltigerales, lichen-forming Ascomycota).

Journal Article Mycologia · March 2010 Family Collemataceae (Peltigerales, Ascomycota) includes species of cyanolichens with foliose to fruticose or crustose thalli, with simple or septate ascospores. The current classification divides this family into two groups on the basis of ascospore types ... Full text Cite

The search for the fungal tree of life.

Journal Article Trends in microbiology · November 2009 The Fungi comprise a diverse kingdom of eukaryotes that are characterized by a typically filamentous but sometimes unicellular vegetative form, and heterotrophic, absorptive nutrition. Their simple morphologies and variable ecological strategies have confo ... Full text Cite

Assessing reproductive isolation in highly diverse communities of the lichen-forming fungal genus peltigera.

Journal Article Evolution; international journal of organic evolution · August 2009 The lichen-forming fungal genus Peltigera includes a number of species that are extremely widespread, both geographically and ecologically. However, morphological variability has lead to doubts about the distinctness of some species, and it has been sugges ... Full text Cite

Lichens.

Journal Article Current biology : CB · July 2009 Full text Cite

A phylogenetic estimation of trophic transition networks for ascomycetous fungi: are lichens cradles of symbiotrophic fungal diversification?

Journal Article Systematic biology · June 2009 Fungi associated with photosynthetic organisms are major determinants of terrestrial biomass, nutrient cycling, and ecosystem productivity from the poles to the equator. Whereas most fungi are known because of their fruit bodies (e.g., saprotrophs), sympto ... Full text Cite

The Ascomycota tree of life: a phylum-wide phylogeny clarifies the origin and evolution of fundamental reproductive and ecological traits.

Journal Article Systematic biology · April 2009 We present a 6-gene, 420-species maximum-likelihood phylogeny of Ascomycota, the largest phylum of Fungi. This analysis is the most taxonomically complete to date with species sampled from all 15 currently circumscribed classes. A number of superclass-leve ... Full text Cite

A microbiotic survey of lichen-associated bacteria reveals a new lineage from the Rhizobiales

Journal Article Symbiosis · January 1, 2009 This study uses a set of PCR-based methods to examine the putative microbiota associated with lichen thalli. In initial experiments, generalized oligonucleotide-primers for the 16S rRNA gene resulted in amplicon pools populated almost exclusively with frag ... Full text Cite

Towards a new classification of the Arthoniales (Ascomycota) based on a three-gene phylogeny focussing on the genus Opegrapha.

Journal Article Mycological research. · January 2009 A multi-locus phylogenetic study of the order Arthoniales is presented here using the nuclear ribosomal large subunit (nuLSU), the second largest subunit of RNA polymerase II (RPB2) and the mitochondrial ribosomal small subunit (mtSSU). These genes were se ... Full text Cite

Generic classification of the Verrucariaceae (Ascomycota) based on molecular and morphological evidence: Recent progress and remaining challenges

Journal Article Taxon · January 1, 2009 Recent molecular phylogenetic analyses and morphological studies have shown that it is necessary to revise the present morphology-based generic delineation of the lichen family Verrucariaceae in order to account for evolutionary relatedness between species ... Full text Cite

Phylogeny of rock-inhabiting fungi related to Dothideomycetes.

Journal Article Studies in mycology · January 2009 The class Dothideomycetes (along with Eurotiomycetes) includes numerous rock-inhabiting fungi (RIF), a group of ascomycetes that tolerates surprisingly well harsh conditions prevailing on rock surfaces. Despite their convergent morphology and physiology, R ... Full text Cite

Compatibility and thigmotropism in the lichen symbiosis: A reappraisal

Journal Article Symbiosis · January 1, 2009 The development of many complex stratified lichen thalli is made through stages of complex phenotypic interactions between a filamentous fungus (the mycobiont), and a trebouxioid alga (the photobiont). Typically, the second stage of this symbiotic developm ... Full text Cite

Molecular phylogeny and systematics of Polyblastia (Verrucariaceae, Eurotiomycetes) and allied genera.

Journal Article Mycological research. · November 2008 Phylogenetic relationships of the lichen genus Polyblastia and closely related taxa in the family Verrucariaceae (Verrucariales, Chaetothyriomycetidae) were studied. A total of 130 sets of sequences (nuLSU rDNA, nuITS rDNA and RPB1 region A-D), including 1 ... Full text Cite

Phylogenetic reassessment of the Teloschistaceae (lichen-forming Ascomycota, Lecanoromycetes).

Journal Article Mycological research. · May 2008 The Teloschistaceae is a widespread family with considerable morphological and ecological heterogeneity across genera and species groups. In order to provide a comprehensive molecular phylogeny for this family, phylogenetic analyses were carried out on seq ... Full text Cite

Dermatocarpon (Verrucariaceae) in the Ozark Highlands, North America

Journal Article Bryologist · March 1, 2008 Dermatocarpon, a saxicolous lichen, is common throughout the Ozarks Highlands of North America where exposed rock is abundant. Dermatocarpon is an understudied genus. Species delimitation is difficult because of a paucity of morphological characters and a ... Full text Cite

Phylogenetic relationships and taxonomy of the Leptogium lichenoides group (Collemataceae, Ascomycota) in Europe

Journal Article Taxon · January 1, 2008 The taxonomy of the Leptogium lichenoides complex is revised here based on a morphological, ecological and molecular phylogenetic study. A phylogenetic analysis of phenotypic characters was compared to a phylogeny based on nrITS and β-tubulin data. Using t ... Full text Cite

A rock-inhabiting ancestor for mutualistic and pathogen-rich fungal lineages.

Journal Article Studies in mycology · January 2008 Rock surfaces are unique terrestrial habitats in which rapid changes in the intensity of radiation, temperature, water supply and nutrient availability challenge the survival of microbes. A specialised, but diverse group of free-living, melanised fungi are ... Full text Cite

Using a multigene phylogenetic analysis to assess generic delineation and character evolution in Verrucariaceae (Verrucariales, Ascomycota).

Journal Article Mycological research. · October 2007 Verrucariaceae are a family of mostly crustose lichenized ascomycetes colonizing various habitats ranging from marine and fresh water to arid environments. Phylogenetic relationships among members of the Verrucariaceae are mostly unknown and the current mo ... Full text Cite

Phylogenetic comparison of protein-coding versus ribosomal RNA-coding sequence data: a case study of the Lecanoromycetes (Ascomycota).

Journal Article Molecular phylogenetics and evolution · July 2007 The resolving power and statistical support provided by two protein-coding (RPB1 and RPB2) and three ribosomal RNA-coding (nucSSU, nucLSU, and mitSSU) genes individually and in various combinations were investigated based on maximum likelihood bootstrap an ... Full text Cite

DNA sequence characterization and molecular evolution of MAT1 and MAT2 mating-type loci of the self-compatible ascomycete mold Neosartorya fischeri.

Journal Article Eukaryotic cell · May 2007 Degenerate PCR and chromosome-walking approaches were used to identify mating-type (MAT) genes and flanking regions from the homothallic (sexually self-fertile) euascomycete fungus Neosartorya fischeri, a close relative of the opportunistic human pathogen ... Full text Cite

Diversity and host range of foliar fungal endophytes: are tropical leaves biodiversity hotspots?

Journal Article Ecology · March 2007 Fungal endophytes are found in asymptomatic photosynthetic tissues of all major lineages of land plants. The ubiquity of these cryptic symbionts is clear, but the scale of their diversity, host range, and geographic distributions are unknown. To explore th ... Full text Cite

Evolution of Pleopsidium (lichenized Ascomycota) S943 group I introns and the phylogeography of an intron-encoded putative homing endonuclease.

Journal Article Journal of molecular evolution · March 2007 The sporadic distribution of nuclear group I introns among different fungal lineages can be explained by vertical inheritance of the introns followed by successive losses, or horizontal transfers from one lineage to another through intron homing or reverse ... Full text Cite

Diversity and phylogenetic affinities of foliar fungal endophytes in loblolly pine inferred by culturing and environmental PCR.

Journal Article Mycologia · March 2007 We examined endophytic fungi in asymptomatic foliage of loblolly pine (Pinus taeda) in North Carolina, U.S.A., with four goals: (i) to evaluate morphotaxa, BLAST matches and groups based on sequence similarity as functional taxonomic units; (ii) to explore ... Full text Cite

Phylogenetic relationships, host affinity, and geographic structure of boreal and arctic endophytes from three major plant lineages.

Journal Article Molecular phylogenetics and evolution · February 2007 Although associated with all plants, fungal endophytes (microfungi that live within healthy plant tissues) represent an unknown proportion of fungal diversity. While there is a growing appreciation of their ecological importance and human uses, little is k ... Full text Cite

Recognizing dinoglagellate species using ITS rDNA sequences

Journal Article Journal of Phycology · 2007 Cite

A higher-level phylogenetic classification of the Fungi

Journal Article Mycological Research · 2007 Cite

New insights into classification and evolution of the Lecanoromycetes (Pezizomycotina, Ascomycota) from phylogenetic analyses of three ribosomal RNA- and two protein-coding genes.

Journal Article Mycologia · November 2006 The Lecanoromycetes includes most of the lichen-forming fungal species (> 13500) and is therefore one of the most diverse class of all Fungi in terms of phenotypic complexity. We report phylogenetic relationships within the Lecanoromycetes resulting from B ... Full text Cite

Eurotiomycetes: Eurotiomycetidae and Chaetothyriomycetidae.

Journal Article Mycologia · November 2006 The class Eurotiomycetes (Ascomycota, Pezizomycotina) is a monophyletic group comprising two major clades of very different ascomycetous fungi: (i) the subclass Eurotiomycetidae, a clade that contains most of the fungi previously recognized as Plectomycete ... Full text Cite

A five-gene phylogeny of Pezizomycotina.

Journal Article Mycologia · November 2006 Pezizomycotina is the largest subphylum of Ascomycota and includes the vast majority of filamentous, ascoma-producing species. Here we report the results from weighted parsimony, maximum likelihood and Bayesian phylogenetic analyses of five nuclear loci (S ... Full text Cite

Low genetic variation and no detectable population structure in aspergillus fumigatus compared to closely related Neosartorya species.

Journal Article Eukaryotic cell · April 2006 Aspergillus fumigatus is an anamorphic euascomycete mold with a ubiquitous presence worldwide. Despite intensive work to understand its success as a pathogen infecting immunosuppressed patients, the population dynamics and recent evolutionary history of A. ... Full text Cite

Systematics of the genus Chaetosphaeria and its allied genera: morphological and phylogenetic diversity in north temperate and neotropical taxa.

Journal Article Mycologia · January 2006 Chaetosphaeria is a common saprobic pyrenomycete genus with simple, homogeneous teleomorphs and complex, diverse anamorphs. As currently circumscribed in the literature, the genus encompasses 30 species distributed in four 'natural groups', and includes mo ... Full text Cite

A five-gene phylogeny of Pezizomycotina

Journal Article Mycologia · 2006 Cite

Phylogenetic analyses suggest reverse splicing spread of group I introns in fungal ribosomal DNA.

Journal Article BMC evolutionary biology · November 2005 BackgroundGroup I introns have spread into over 90 different sites in nuclear ribosomal DNA (rDNA) with greater than 1700 introns reported in these genes. These ribozymes generally spread through endonuclease-mediated intron homing. Another putati ... Full text Cite

Assessing host specialization in symbiotic cyanobacteria associated with four closely related species of the lichen fungus Peltigera

Journal Article European Journal of Phycology · November 1, 2005 Heterocystous cyanobacteria form symbiotic associations with a wide range of plant and fungal hosts. We used a molecular phylogenetic approach to investigate the degree of host specialization of cyanobacteria associated with four closely related species of ... Full text Cite

Erratum: (American Journal of Botany (October 2004) 91:10 (1450))

Journal Article American Journal of Botany · January 1, 2005 Cite

Assembling the fungal tree of life: progress, classification, and evolution of subcellular traits.

Journal Article American journal of botany · October 2004 Based on an overview of progress in molecular systematics of the true fungi (Fungi/Eumycota) since 1990, little overlap was found among single-locus data matrices, which explains why no large-scale multilocus phylogenetic analysis had been undertaken to re ... Full text Cite

Contribution of RPB2 to multilocus phylogenetic studies of the euascomycetes (Pezizomycotina, Fungi) with special emphasis on the lichen-forming Acarosporaceae and evolution of polyspory.

Journal Article Molecular phylogenetics and evolution · September 2004 Despite the recent progress in molecular phylogenetics, many of the deepest relationships among the main lineages of the largest fungal phylum, Ascomycota, remain unresolved. To increase both resolution and support on a large-scale phylogeny of lichenized ... Full text Cite

Phylogenetic classification of peltigeralean fungi (Peltigerales, Ascomycota) based on ribosomal RNA small and large subunits.

Journal Article American journal of botany · March 2004 To provide a comprehensive molecular phylogeny for peltigeralean fungi and to establish a classification based on monophyly, phylogenetic analyses were carried out on sequences from the nuclear ribosomal large (LSU) and small (SSU) subunits obtained from 1 ... Full text Cite

The evolution of homing endonuclease genes and group I introns in nuclear rDNA.

Journal Article Molecular Biology and Evolution · 2004 Cite

The evolution of homing endonuclease genes and group I introns in nuclear rDNA.

Journal Article Molecular biology and evolution · January 2004 Group I introns are autonomous genetic elements that can catalyze their own excision from pre-RNA. Understanding how group I introns move in nuclear ribosomal (r)DNA remains an important question in evolutionary biology. Two models are invoked to explain g ... Full text Cite

Slow algae, fast fungi: exceptionally high nucleotide substitution rate differences between lichenized fungi Omphalina and their symbiotic green algae Coccomyxa.

Journal Article Molecular phylogenetics and evolution · December 2003 Omphalina basidiolichens are obligate mutualistic associations of a fungus of the genus Omphalina (the exhabitant) and a unicellular green alga of the genus Coccomyxa (the inhabitant). It has been suggested that symbiotic inhabitants have a lower rate of g ... Full text Cite

Molecular phylogenetic study at the generic boundary between the lichen-forming fungi Caloplaca and Xanthoria (Ascomycota, Teloschistaceae).

Journal Article Mycological research. · November 2003 A molecular phylogenetic analysis of rDNA was performed for seven Caloplaca, seven Xanthoria, one Fulgensia and five outgroup species. Phylogenetic hypotheses are constructed based on nuclear small and large subunit rDNA, separately and in combination. Thr ... Full text Cite

New approach to an old problem: Incorporating signal from gap-rich regions of ITS and rDNA large subunit into phylogenetic analyses to resolve the Peltigera canina species complex.

Journal Article Mycologia · November 2003 The Peltigera canina species complex consists of foliose lichenized bitunicate ascohymenial discomycetes forming section Peltigera within the genus Peltigera (Lecanoromycetes, lichen-forming Ascomycetes). To test the circumscription of highly polymorphic s ... Full text Cite

Phylogenetic study of Fulgensia and allied Caloplaca and Xanthoria species (Teloschistaceae, lichen-forming ascomycota).

Journal Article American journal of botany · July 2003 Fulgensia Massal. & De Not. is a widespread genus with considerable morphological and ecological heterogeneity across species. For this reason, the taxonomic delimitation of this genus has been controversial. Relationships among species of Fulgensia, Calop ... Full text Cite

Bayes or bootstrap? A simulation study comparing the performance of Bayesian Markov chain Monte Carlo sampling and bootstrapping in assessing phylogenetic confidence.

Journal Article Molecular biology and evolution · February 2003 Bayesian Markov chain Monte Carlo sampling has become increasingly popular in phylogenetics as a method for both estimating the maximum likelihood topology and for assessing nodal confidence. Despite the growing use of posterior probabilities, the relation ... Full text Cite

The lichen genus Sticta in the Great Smoky Mountains: A phylogenetic study of morphological, chemical, and molecular data

Journal Article Bryologist · January 1, 2003 In this paper we segregate specimens from the genus Sticta in the Great Smoky Mountains National Park into phenotypic groups corresponding to putative species using traditional taxonomic methods, paying particular attention to specimens from the S. weigeli ... Full text Cite

Phylogeny of the Gyalectales and Ostropales (Ascomycota, Fungi): among and within order relationships based on nuclear ribosomal RNA small and large subunits.

Journal Article Molecular phylogenetics and evolution · October 2002 Despite various morphological and anatomical similarities, the two orders Gyalectales (lichenized ascomycetes) and Ostropales (lichenized and non-lichenized ascomycetes) have been considered to be distantly related to each other and their position within t ... Full text Cite

The utility of the incongruence length difference test.

Journal Article Systematic biology · August 2002 Full text Cite

Phylogeny of agarics: partial systematics solutions for core omphalinoid genera in the agaricales (Euagarics).

Journal Article Mycotaxon. · July 2002 The taxonomy of species previously assigned to Omphalina sensu lato or Clitocybe is reevaluated in light of recent molecularly-based phylogenetic hypotheses. Nomenclatural complications involving generic and specific names, lectotypifications and changes t ... Cite

Phylogeny of agarics: partial systematics solutions for bryophilous omphalinoid agarics outside of the Agaricales (Euagarics).

Journal Article Mycotaxon. · June 2002 The taxonomy of several species previously assigned to Omphalina sensu lato or Gerronema is reevaluated in light of recent molecularly based phylogenetic hypotheses. One surmised clade, herein informally labelled the rickenelloid clade, falls outside of th ... Cite

Pseudocyphellaria perpetua, a new lichen from western North America

Journal Article Bryologist · January 1, 2002 Pseudocyphellaria perpetua McCune & Miadlikowska is described as a new species of lichenized fungus from Oregon, U.S.A. Morphologically similar to some forms of P. crocata, P. perpetua is separated from that species by a yellow medulla and predominantly ma ... Full text Cite

Major fungal lineages are derived from lichen symbiotic ancestors.

Journal Article Nature · June 2001 About one-fifth of all known extant fungal species form obligate symbiotic associations with green algae, cyanobacteria or with both photobionts. These symbioses, known as lichens, are one way for fungi to meet their requirement for carbohydrates. Lichens ... Full text Cite

Evolutionary relationships among mucoralean fungi (Zygomycota): Evidence for family polyphyly on a large scale

Journal Article Mycologia · January 1, 2001 Mucorales (Zygomycota) are ubiquitous, morphologically simple terrestrial fungi that are united taxonomically by possession of a coenocytic mycelium upon which nonmotile mitotic spores are produced asexually in uni- to multispored sporangia, and zygospores ... Full text Cite

Integrating ambiguously aligned regions of DNA sequences in phylogenetic analyses without violating positional homology.

Journal Article Systematic biology · December 2000 Phylogenetic analyses of non-protein-coding nucleotide sequences such as ribosomal RNA genes, internal transcribed spacers, and introns are often impeded by regions of the alignments that are ambiguously aligned. These regions are characterized by the pres ... Full text Cite

Widespread occurrence of spliceosomal introns in the rDNA genes of ascomycetes.

Journal Article Molecular biology and evolution · December 2000 Spliceosomal (pre-mRNA) introns have previously been found in eukaryotic protein-coding genes, in the small nuclear RNAs of some fungi, and in the small- and large-subunit ribosomal DNA genes of a limited number of ascomycetes. How the majority of these in ... Full text Cite

Phylogenetic and biogeographic relationships of eastern Asian and eastern North American disjunct Suillus species (fungi) as inferred from nuclear ribosomal RNA ITS sequences.

Journal Article Molecular phylogenetics and evolution · October 2000 Species of Suillus produce fleshy, pored mushrooms. They are important symbiotic (ectomycorrhizal) partners of many coniferous trees. The genus includes several putative eastern Asian and eastern North American disjunct species, i.e., the S. americanus-S. ... Full text Cite

Phylogenetic relationships of agaric fungi based on nuclear large subunit ribosomal DNA sequences.

Journal Article Systematic biology · June 2000 Phylogenetic relationships of mushrooms and their relatives within the order Agaricales were addressed by using nuclear large subunit ribosomal DNA sequences. Approximately 900 bases of the 5' end of the nucleus-encoded large subunit RNA gene were sequence ... Full text Cite

Phylogenetic revision of the genus Peltigera (lichen-forming Ascomycota) based on morphological, chemical, and large subunit nuclear ribosomal DNA data

Journal Article International Journal of Plant Sciences · January 1, 2000 Peltigera (Peltigerineae, lichenized Ascomycota) is one of the most widespread lichen genera incorporating bi- and trimembered associations involving fungi, green algae (cf. Coccomyxa), and cyanobacteria (cf. Nostoc). A wide range of morphological and chem ... Full text Cite

Genetic variation within and among populations of the threatened lichen Lobaria pulmonaria in Switzerland and implications for its conservation.

Journal Article Molecular ecology · December 1999 The foliose epiphytic lichen Lobaria pulmonaria has suffered a significant decline in European lowlands during the last decades and therefore is considered as endangered throughout Europe. An assessment of the genetic variability is necessary to formulate ... Full text Cite

Teleomorph-anamorph connections: The new pyrenomycetous genus Carpoligna and its Pleurothecium anamorph

Journal Article Mycologia · January 1, 1999 Several collections of a pyrenomycete identified as Chaetosphaeria were made from decorticated wood of twigs and branches in Costa Rica, Panama, Puerto Rico and continental USA. Discrete and continuous characters of the ascomata, asci and ascospores in the ... Full text Cite

Accelerated evolution as a consequence of transitions to mutualism.

Journal Article Proceedings of the National Academy of Sciences of the United States of America · October 1997 Differential rates of nucleotide substitutions among taxa are a common observation in molecular phylogenetic studies, yet links between rates of DNA evolution and traits or behaviors of organisms have proved elusive. Likelihood ratio testing is used here f ... Full text Cite

Phylogeny of lichen- and non-lichen-forming omphalinoid mushrooms and the utility of testing for combinability among multiple data sets.

Journal Article Systematic biology · September 1997 As an initial step toward developing a model system to study requirements for and consequences of transitions to mutualism, the phylogeny of a group of closely related lichenized and nonlichenized basidiomycetes (Omphalina) was reconstructed. The phylogene ... Full text Cite

Integration of morphological and molecular data sets in estimating fungal phytogenies

Conference Canadian Journal of Botany · December 31, 1995 To provide a clearer picture of fungal species relationships, increased efforts are being made to include both molecular and morphological data sets in phylogenetic studies. This general practice in systematics has raised many unresolved questions ... Full text Cite

References on the vegetation of Québec

Journal Article Excerpta Botanica Sec. B. Bd · 1991 Cite

Lichens on serpentine and amphibolite on the plateau of Mt. Albert, Gaspesie, Quebec

Journal Article Canadian Journal of Botany · January 1, 1988 At Mount Albert, many taxa are found exclusively on either serpentine or amphibolite contiguous formations, and are exclusively more noticeable within saxicolous lichens. There are more infrequent taxa on serpentine than on amphibolite. The saxicolous, mus ... Full text Cite