Anuruddha Karunarathna

Chiang Mai University | CMU · Department of Plant Pathology

The wild edible mushroom Macrocybe gigantea is widely consumed as one of the prime seasonal delicacies in the tropical and subtropical regions of the world. In this study, M. gigantea was identified through morphological and phylogenetic analyses. Spawn production and cultivation parameters of M. gigantea were investigated for the first time in Sri...

Fungi in Cercospora and Pseudocercospora are commonly known as cercosporoid fungi. In the current study, a cercosporoid fungus was isolated from Mangifera indica from Chiang Mai, Thailand. The isolate was identifi ed as Pseudocercospora mangiferae sp. nov. based on morphology and ITS, act, tef1-α and rpb2 multigene phylogeny. Further, this is the f...

Grasses are cosmopolitan yet an important component in ecology. The current human population readily relies on grasses as many Poaceae species provide staple carbohydrate sources and staple feed to livestock. Ecologically grass plays a vital role as a pioneer inhabitant as well as sustaining immense biodiversity within the community. Fungi play a p...

Species of Paramyrothecium that are reported as plant pathogens and cause leaf spot or leaf blight have been reported on many commercial crops worldwide. In 2019, during a survey of fungi causing leaf spots on plants in Chiang Mai and Mae Hong Son provinces, northern Thailand, 16 isolates from 14 host species across nine plant families were collect...

Three arecophila-like fungal samples were collected on dead culms of gramineous plants in China. Morphological studies of our new collections and the herbarium specimen of Arecophila gulubiicola (generic type) were conducted and the morphological affinity of our new collections with Arecophila was confirmed. Maximum likelihood and Bayesian analyses...

In the current study, eleven sooty mold isolates were collected from different tropical host plants. The isolates were identified under Capnodium, Leptoxyphium and Trichomerium, based on morphology and phylogeny. For the secondary metabolite analysis, the isolates were grown on Potato Dextrose Broth (PDB). The well-grown mycelia were filtered and e...

This study reports a novel host and a geographical record of Nodulosphaeria aconiti from Artemisia sp. (Compositaceae) from the Jizzakh Region of Uzbekistan. Phylogenetic analyses of concatenated LSU, SSU, ITS, tef1 α, and rpb2 sequence data revealed that our isolate is closely related to the N. aconiti, which was further proven from morphology. Th...

In plant pathology, the correct naming of a species is essential for determining the causal agents of disease. Species names not only serve the general purpose of concise communication, but also are critical for effective plant quarantine, preventing the introduction of new pathogens into a territory. Many phytopathogenic genera have multiple speci...

Grasslands are major primary producers and function as major components of important watersheds. Although a concise definition of grasslands cannot be given using a physiognomic or structural approach, grasslands can be described as vegetation communities experiencing periodical droughts and with canopies dominated by grasses and grass-like plants....

Thailand is rich in fungal diversity and new taxa are continuously introduced. In the last decade there has been a vast improvement on the taxonomy, phylogeny and classification of fungi, including in Thailand. Earlier studies were solely based on morphology while modern research uses morphology and molecular phylogeny. There is a huge gap between...

In this paper, we report a coelomycetous fungus that belongs to the family Phaeosphaeriaceae (Pleosporales), associated with the leaves of Eriobotrya japonica in Kunming, Yunnan Province, China. Morphologically, our fungal collection shows similarities to known asexual morphs of Phaeosphaeria, and exhibits pycnidial, globose conidiomata, a pycnidia...

This article is the second in the Asian Journal of Mycology Notes series, wherein we report 50 new fungal collections distributed in two phyla, six classes, 23 orders and 38 families. The present study provides descriptions and illustrations for three new species (Acolium yunnanensis, Muyocopron cinnamomi and Thyrostroma ulmeum), 44 new host record...

In previous studies Apiculospora was introduced in Leotiomycetes genera incertae sedis. With our phylogenetic analyses based on large subunit rDNA (LSU) and internal transcribed spacer (ITS1, 5.8S, ITS2), we transfer Apiculospora to Pezizellaceae (Rhytismatales). We introduce Apiculospora penniseti from Pennisetum purpureum. Apiculospora penniseti...

Numerous new taxa and classifications of Dothideomycetes have been published following the last monograph of families of Dothideomycetes in 2013. A recent publication by Honsanan et al. in 2020 expanded information of families in Dothideomycetidae and Pleosporomycetidae with modern classifications. In this paper, we provide a refined updated docume...

This is the twelfth contribution to the Fungal Diversity Notes series on fungal taxonomy, based on materials collected from many countries which were examined and described using the methods of morphology, anatomy, and strain culture, combined with DNA sequence analyses. 110 taxa are described and illustrated, including five new genera, 92 new spec...

This is a continuation of a series focused on providing a stable platform for the taxonomy of phytopathogenic fungi and fungus-like organisms. This paper focuses on one family: Erysiphaceae and 24 phytopathogenic genera: Armillaria, Barriopsis, Cercospora, Cladosporium, Clinoconidium, Colletotrichum, Cylindrocladiella, Dothidotthia,, Fomitopsis, Ga...

An interesting bioluminescent fungus growing on dead bamboo stems was collected from bamboo forests in the East Khasi and West Jayantia Hills Districts of Meghalaya, Northeast India. Both morphological characteristics and phylogenetic analyses of nrITS and nrLSU regions showed that the bioluminescent fungus belongs to the genus Roridomyces and is a...

We are studying microfungi growing on Poaceae hosts in different geographical regions and in this study we introduce Kwanghwana miscanthi Karun., C.H.Kuo & K.D.Hyde, gen. et sp. nov., based on phylogenetic analyses of DNA sequences of four loci used in combination (three ribosomal (LSU, SSU and ITS) and one protein coding region (TEF1-α)) and on mor...

Helotiales is a polyphyletic order of Ascomycetes. The paucity of relevant molecular data and unclear connections of sexual and asexual morphs present challenges in resolving taxa within this order. In the present study, Patellariopsidaceae fam. nov., the asexual morph of Patellariopsis atrovinosa, and a new record of Cheirospora botryospora (Vibri...

This paper is the first in the AJOM series in which we report 100 new collections of fungi which include new species, host and country records. In all, nine new species, 90 new records and one new combination are introduced. The purpose of this series is to provide an outlet for publishing collections with sequence data, so that these observations...

Fungal diversity notes is one of the important journal series of fungal taxonomy that provide detailed descriptions and illustrations of new fungal taxa, as well as providing new information of fungal taxa worldwide. This article is the 11th contribution to the fungal diversity notes series, in which 126 taxa distributed in two phyla, six classes,...

This is a continuation of the papers “Towards a classification of Sordariomycetes” (2015) and “Families of Sordariomycetes” (2016) in which we compile a treatment of the class Sordariomycetes. The present treatment is needed as our knowledge has rapidly increased, from 32 orders, 105 families and 1331 genera in 2016, to 45 orders, 167 families and...

This is a continuation of a series focused on providing a stable platform for the taxonomy of phytopathogenic fungi and organisms. This paper focuses on 25 phytopathogenic genera: Alternaria, Capnodium, Chaetothyrina, Cytospora, Cyphellophora, Cyttaria, Dactylonectria, Diplodia, Dothiorella, Entoleuca, Eutiarosporella, Fusarium, Ilyonectria, Lasiod...

Fungi are an understudied, biotechnologically valuable group of organisms. Due to the immense range of habitats that fungi inhabit, and the consequent need to compete against a diverse array of other fungi, bacteria, and animals, fungi have developed numerous survival mechanisms. The unique attributes of fungi thus herald great promise for their ap...

This article is the tenth series of the Fungal Diversity Notes, where 114 taxa distributed in three phyla, ten classes, 30 orders and 53 families are described and illustrated. Taxa described in the present study include one new family (viz. Pseudoberkleasmiaceae in Dothideomycetes), five new genera (Caatingomyces, Cryptoschizotrema, Neoacladium, P...

A new species of Neoroussoella (Roussoellaceae) collected in Taiwan is introduced from Pennisetum purpureum with both asexual and sexual morphs. Phylogenetic analysis of a concatenated LSU-ITS-SSU-TEF1-α-RPB2 sequence dataset reveals that the new species forms a distinct sister clade with N. bambusae with high statistical support (100% ML/ 1.00 BYP...

This article is the ninth in the series of Fungal Diversity Notes, where 107 taxa distributed in three phyla, nine classes, 31 orders and 57 families are described and illustrated. Taxa described in the present study include 12 new genera, 74 new species, three new combinations, two reference specimens, a re-circumscription of the epitype, and 15 r...

Demarcation of family, genus and species boundaries in the Diaporthales has been tentative due to uninformative illustrations and descriptions, overlapping morphological characteristics, misplacement or poor condition of type specimens and shortage of molecular data from ex-type cultures. In this study, we obtained the type specimens or other authe...

Demarcation of family, genus and species boundaries in the Diaporthales has been tentative due to uninformative illustrations and descriptions, overlapping morphological characteristics, misplacement or poor condition of type specimens and shortage of molecular data from ex-type cultures. In this study, we obtained the type specimens or other authe...

This is the fourth in a series of Mycosphere notes wherein we provide notes on various fungal genera. In this set of notes, we introduce Phaeoseptaceae as a new family, Pseudobyssosphaeria (Melanommataceae) as a new genus, 40 new species, 11 new host or country records, one reference specimen, one new combination and provide a description of the ho...

This is the third paper in the series, Mycosphere notes, wherein we provide notes on various fungal taxa. In this set of notes, we deal with species found on the grape genus, Vitis, one of the most important economically important crops, grown worldwide. We provide notes on 67 taxa, including two new species, Alternaria italica and Alfaria vitis, a...

This is the sixth in a series of papers where we bring collaborating mycologists together to produce a set of notes of several taxa of fungi. In this study we introduce a new family Fuscostagonosporaceae in Dothideomycetes. We also introduce the new ascomycete genera Acericola, Castellaniomyces, Dictyosporina and Longitudinalis and new species Acer...

EHC 2017-Novel fungal species of Phaeosphaeriaceae with an asexual/sexual morph connection. Abstract We are studying Dothideomycetes from different hosts in different geographical regions and have introduced new taxa from China, Iran and Italy. In this paper, we introduce Yunnanensis gen. nov. on Poaceae from Yunnan Province, in China, to accommoda...

EHC 2017-Novel fungal species of Phaeosphaeriaceae with an asexual/sexual morph connection. Abstract We are studying Dothideomycetes from different hosts in different geographical regions and have introduced new taxa from China, Iran and Italy. In this paper, we introduce Yunnanensis gen. nov. on Poaceae from Yunnan Province, in China, to accommoda...

Novel fungal species of Phaeosphaeriaceae with an asexual/sexual morph connection. Abstract We are studying Dothideomycetes from different hosts in different geographical regions and have introduced new taxa from China, Iran and Italy. In this paper, we introduce Yunnanensis gen. nov. on Poaceae from Yunnan Province, in China, to accommodate Y. phr...

Knowledge of the relationships and thus the classification of fungi, has developed rapidly with increasingly widespread use of molecular techniques, over the past 10–15 years, and continues to accelerate. Several genera have been found to be polyphyletic, and their generic concepts have subsequently been emended. New names have thus been introduced...

Members of Sporormiaceae are saprobes on plant debris, wood, soil and dung and are sometimes endophytes. In this study, a saprobic species was collected from decaying grass in China. Maximum-parsimony, maximum-likelihood and Bayesian Inference analyses of combined ITS, LSU, SSU, TEF1-α and RPB2 sequence data clarified the phylogenetic affinity in S...