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Helvella, commonly known as saddle fungi, is a genus in the Helvellaceae family and is distributed globally. Recent comprehensive studies on Helvella have revealed that some Helvella species exhibit endemic traits and that many morphologically similar, cryptic species are phylogenetically distant. In this study, 202 Korean Helvella specimens collected between 1986 and 2023 were reevaluated through morphological analysis and phylogenetic characterization using barcode sequences, including nrLSU (nuclear Large Subunit Ribosomal DNA), hsp90 (Heat Shock Protein 90), and ITS (Internal Transcribed Spacer). The investigation confirmed the presence of at least 35 phylogenetic species in Korea. Among these, eight species (H. atroides, H. fistulosa, H. liquii, H. lobata, H. rugosa, H. subglabroides, H. sublactea, H. varia) were identified as previously unrecorded species in Korea, and seven new species (H. densipila, H. flavopus, H. macrospora, H. griseobrunnea, H. pseudolobata, H. parviflava, H. suborentitomentosa) were discovered. Of the 13 previously recorded Korean Helvella species, only three (H. ephippioides, H. macropus, H. orienticripsa) were confirmed, while the remaining ten species (H. acetabulum, H. atra, H. compressa, H. costifera, H. crispa, H. elastica, H. sublicia, H. fibrosa, H. lacunosa, H. pezizoides) were not detected in the samples studied. This study enhances our understanding of the distribution of Helvella species of Korea, revealing significant discrepancies between historical records and current findings. The discovery of new species and previously un-recorded species underscores the importance of continuous monitoring and reevaluation of fungal biodiversity.

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Eight fungal species associated with ambrosia beetles in Korea Mi Jin Jeon, Sangwook Park, Jong Chul Jeong, Jongok Lim, Youngeun Han, Won-Jae Chi, Soonok Kim p. 1-17
Biocontrol of Fusarium oxysporum f. sp. cepae on Indonesian local garlic plants (Lumbu Hijau) using a consortium of Bacillus amyloliquefaciens B1 and arbuscular mycorrhizal fungi Fibrianti Shinta Dewi, Rifani Rusiana Dewi, Abdul Latief Abadi, Adi Setiawan, Luqman Qurata Aini, Muhammad Akhid Syib'li p. 18-26
Exploring diversity within chytridiales and rhizophydiales (Chytridiomycota) in Korea Thuong T.T. Nguyen, Sun Jeong Jeon, Do Young Song, Dong Hee Kim, Hyang Burm Lee p. 27-35
Heterologous expression of laccase1 from Cryphonectria parasitica in Saccharomyces cerevisiae Kum-Kang So, Fatima Alejandra Hernandez Alvarado, Gui-Hwan Han, Jeong-Won Kim, Tae-Geum Kim, Dae-Hyuk Kim p. 36-46
Endophytic fungi isolated from the marine macroalga Dictyopteris pacifica in Korea Ji-Won Kim, Yun-Jeong Kim, Ahn-Heum Eom p. 47-56
Development of genomic simple sequence repeat markers for evaluating resources of Armillaira ostoyae and their transferability to Armillaira gallica Sohee Kim, Hwayong Lee p. 57-71
Growth characteristics of Pseudomonas putida and pleurotus ostreatus after co-cultivation Yu-Bin Park, Youn-Jin Park, Myoung-Jun Jang p. 72-78
Taxonomic revision of Korean saddle fungi (Helvella, Helvellaceae) Sang-Young Park, Kim Sohee, Kim Eunjin, Ju-Kyung Eo, Hwayong Lee p. 79-112
Geoglossum subdifforme sp. nov. and G. simile, two new earth tongues from South Korea Chang Sun Kim, Young-Nam Kwag, Dae Ho Kim p. 113-119
(An) improved sporulation method for producing asexual zoospores of Pythium aphanidermatum on culture medium Yu Jin Kim, Seung Hyo Baek, Elena Volynchikova, Mee Kyung Sang, Ki Deok Kim p. 120-127
Phylogenetic and taxonomic study of Asteroconium saccardoi : a fungal species with aster-shaped spores infecting Machilus thunbergii Dong Jae Lee, Ji-Hyun Park, Young-Joon Choi p. 128-133

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