Morpho-molecular characterization of Discosia ravennica sp. nov. and a new host record for Sporocadus rosigena Author Bundhun, Digvijayini Engineering and Research Center for Southwest Bio-Pharmaceutical Resources of National Education Ministry of China, Guizhou University, Guiyang, Guizhou Province 550025, China & Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand & Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai, 50200, Thailand Author Jeewon, Rajesh https://orcid.org/0000-0002-8563-957X Department of Health Sciences, Faculty of Medicine and Health Sciences, University of Mauritius, Reduit, Mauritius Author Senanayake, Indunil C. https://orcid.org/0000-0002-7165-2394 College of Life Science and Oceanography, Shenzhen University, 1068, Nanhai Avenue, Nanshan, Shenzhen, 518055, China & Innovative Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Haizhu District, Guangzhou, 510225, China Author Erio Camporesi, A. M. B. Gruppo Micologico Forlivese " Antonio Cicognani ", Via Roma, Forli, Italy & A. M. B. Circolo Micologico " Giovanni Carini ", Brescia, Italy & Societa per gli Studi Naturalistici della Romagna, Bagnacavallo (RA), Italy Author Aluthmuhandiram, Janith V. S. Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand & Beijing Key Laboratory of Environment Friendly Management on Fruit Diseases and Pests in North China, Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, China Author Tang, Alvin M. C. Division of Applied Science, College of International Education, Hong Kong Baptist University, Hong Kong SAR, China Author Ji-Chuan Kang, Engineering and Research Center for Southwest Bio-Pharmaceutical Resources of National Education Ministry of China, Guizhou University, Guiyang, Guizhou Province 550025, China jckang@gzu.edu.cn Author Bhoyroo, Vishwakalyan Faculty of Agriculture, University of Mauritius, Reduit, Mauritius Author Hyde, Kevin D. Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand & Innovative Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Haizhu District, Guangzhou, 510225, China text MycoKeys 2021 2021-04-27 79 173 192 http://dx.doi.org/10.3897/mycokeys.79.60662 journal article http://dx.doi.org/10.3897/mycokeys.79.60662 1314-4049-79-173 88AC0AE5FA4B537693027F02D7436711

Table 2. Features distinguishing Discosia ravennica, D. fraxinea and D. neofraxinea.

Features	Discosia ravennica (this study)	Discosia fraxinea (Nag Raj 1993)	Discosia neofraxinea (Senanayake et al. 2015)
Host occurrence	Leaves of Pyrus sp.	Amelanchier vulgaris, Crataegus sp., Fraxinus americana, Populus sp., Sorbus americana and undetermined leaves	Leaves of Fagus sylvatica
Known distribution	Italy	Austria, France, Germany, U.S.A.	Italy
Conidiomata	Superficial	Erumpent	Superficial
Basal stroma	Composed of cells of textura angularis	Composed of cells of textura prismatica	Composed of cells of textura prismatica
Conidiogenous cells	8-30 x 0.7-1.5 µm Subcylindrical to elongate-ampuliform	7-40 x 1.5-2.5 µm Subcylindrical to langeniform or ampuliform	6-40 x 1-2 μm Cylindrical
Conidia	12-16 x 1.5-3 µm (x- = 13.8 x 2.3 µm)	12.5-19 x 2.5-3.5 µm (x- = 16.2 x 3 µm)	15-18 x 2.5-3.5 μm (x- = 16 x 3 μm)