Fungalpedia – Note 2271, Muellerites

 

Muellerites L. Holm

Citation when using this data: Hongsanan S et al. 2020 – Fungalpedia, Ascomycota.

Index Fungorum, Facesoffungi, MycoBank, GenBank.

Classification: Incertae sedis, Incertae sedis, Incertae sedis, Dothideomycetes, Pezizomycotina, Ascomycota, Fungi

There is only one species of Muellerites described on leaves of Juniperus nana Willd. (Cupressaceae) in Switzerland. Muellerites is characterized by globose, small, black ascomata, forming at the base of the cypress leaves, a single thick-walled layered peridium, with 8- spored, cylindrical asci, and 3–4-septate, dark brown ascospores (Dai et al. 2014). Based on the morphological characters, Dai et al. (2014) placed Muellerites in Dothidotthiaceae, but Crous (2018a) re-examined and re-positioned the genus to Neocelosporiaceae based on sequence data of the type species.

Type species: Muellerites juniperi (E. Müll. & Arx) L. Holm, Svensk bot. Tidskr. 62: 231 (1968). 

≡ Gibberidea juniperi E. Müll. & Arx, Phytopath. Z. 24: 359 (1955).

Other accepted species: Species Fungorum – search Muellerites.

 

References

Crous PW, Luangsa-Ard JJ, Wingfield MJ, Carnegie AJ et al. 2018a – Fungal Planet description sheets: 785–867. Persoonia 41, 238–417.

Dai DQ, Bahkali AH, Bhat DJ, Xiao YP, et al. 2014 – Towards a natural classification of Dothideomycetes 3: The genera Muellerites, Trematosphaeriopsis, Vizellopsis and Yoshinagella (Dothideomycetes incertae sedis). Phytotaxa 176, 18–27.

 

Entry by

Sinang Hongsanan, Guangdong Provincial Key Laboratory for Plant Epigenetics, Shenzhen Key Laboratory of Microbial Genetic Engineering, College of Life Science and Oceanography, Shenzhen University, Shenzhen 518060, People’s Republic of 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 50002, Thailand 

 

Published online 10 April 2026

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