Notes.

Taxon classification

Animalia

Melanosporales

Ceratostomataceae

Marin-Felix

Yasmina

Guarro

Josep

ano-Lira

José F.

García

Dania

iller

Andrew N.

Stchigel

Alberto M.

Melanospora

(

Sordariomycetes

Ascomycota

) and its relatives

MycoKeys1812201820184481122

10.3897/mycokeys.44.29742

Microthecium

levitum

Udagawa & Cain, Can. J. Bot. 47: 1917. 1970.

Fig. 5A, E, G, K

≡

Sphaerodes

levita

(Udagawa & Cain) D. García, Stchigel & Guarro, Stud. Mycol. 50: 67. 2004.

Notes.

This species is characterized by non-ostiolate ascomata, citrifrom and smooth-walled ascospores with umbonate and tuberculate germ pores, presence of bulbils and phialidic asexual morph. For morphological comparison see Notes of Mi.geoporae.

Figure 5.

Morphological features of the genus Microthecium. Microtheciumlevitum (FMR 10098). A Non-ostiolate ascoma E Asci G Ascospores K Ascospore (SEM). Microtheciumfayodii (FMR 12363). B Ostiolate ascomata F Ascospores O Variable shaped bulbils. Microtheciumfimicola (FMR 5483). C Detail of cellular neck M Ascospores (SEM) P Bulbil. Microtheciumquadrangulatum (CBS 112763^T). D Crown of setae around the ostiole L Ascospore SEM. Microtheciumretisporum (NBRC 8366). H Ascospores N Asexual morph. Microtheciumjaponicum (FMR 12371) I Ascospores J Ascospore SEM. Microtheciumsepedonioides (FMR 11933) Q Bulbil. Scale bars: 50 μm (A, B, O); 20 μm (C, D); 10 μm (E–I, P, Q); 5 μm (J, L–N); 2.5 μm (K).