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Research articles

ScienceAsia 41(2015): 295-304 |doi: 10.2306/scienceasia1513-1874.2015.41.295


Keissleriella dactylidis, sp. nov., from Dactylis glomerata and its phylogenetic placement


Chonticha Singtripopa,b,c, Erio Camporesid,e,f, Hiran A. Ariyawansac, Dhanushka N. Wanasinghec, Ali H. Bahkallg, Putarak Chomnuntic, Saranyaphat Boonmeec, Kevin D. Hydea,b,c,g,*

 
ABSTRACT:     A new species of Keissleriella (Lentitheciaceae) is described from a dead stem of Dactylis glomerata collected in Italy. The new taxon is supported by morphology and phylogenetic analysis of SSU, LSU, and TEF1α sequence data. The combined analysis of gene data indicate that Keissleriella dactylidis sp. nov. forms a distinct clade within the genus Keissleriella. The species is characterized by immersed, erumpent, dark grey to black ascomata with papilla containing brown periphyses, and cylindrical asci with hyaline, ellipsoid, 4–5-septate ascospores with a thin mucilaginous sheath. A synopsis of the characteristics of Keissleriella dactylidis and other species is provided and the new species is justified and compared with similar taxa. This is the first report of a Keissleriella species from the grass Dactylis glomerata.

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a Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
b World Agroforestry Centre, East and Central Asia, 132 Lanhei Road, Kunming 650201, China
c Institute of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100 Thailand
d A.M.B. Gruppo Micologico Forlivese ``Antonio Cicognani'', Via Roma 18, Forlì, Italy
e A.M.B. Circolo Micologico ``Giovanni Carini'', C.P. 314, Brescia, Italy
f Società Per Gli Studi Naturalistici della Romagna, C.P. 144, Bagnacavallo (RA), Italy
g College of Science, Botany and Microbiology Department, King Saud University, Riyadh, KSA, 1145, Saudi Arabia

* Corresponding author, E-mail: kdhyde3@gmail.com

Received 26 May 2015, Accepted 1 Nov 2015