Parvocarpum badium (Oehl, Redecker & Sieverd.) Magurno, 2024

Tedersoo, Leho, Magurno, Franco, Alkahtani, Saad & Mikryukov, Vladimir, 2024, Phylogenetic classification of arbuscular mycorrhizal fungi: new species and higher-ranking taxa in Glomeromycota and Mucoromycota (class Endogonomycetes), MycoKeys 107, pp. 249-271 : 249-271

Parvocarpum badium (Oehl, Redecker & Sieverd.) Magurno comb. nov.

Glomus badium Oehl, D. Redecker & Sieverd. , Angew. Botan. 79: 39 (2005). Basionym.

Funneliformis badius (Oehl, Redecker & Sieverd.) C. Walker & A. Schüssler. Synonymy. \

Description.

See Oehl et al. (2005).

Etymology.

parvus (Latin) = small; and carpum (Latin) = body, referring to the small size of fruiting bodies produced.

Diagnosis.

P. badium differs from other genera of the Glomeraceae by producing glomoid-like spores surrounding a central plexus of interwoven hyphae in small organised fruiting bodies, lacking a peridium. Spores with inner flexible hyaline layer and short subtending hyphae. Phylogenetically distinct from G. macrocarpum and other Glomus sens . str. species based on the SSU- ITS - LSU phylogram (Fig. 1 , Suppl. material 1).

Notes.

Phylogenetic position of P. badium within the genus Parvocarpum is unresolved because of a single available short read.

Figures

Figure 1. Phylogenetic position of genera and genus-level groups of Glomeromycota based on Maximum Likelihood analysis of SSU- ITS - LSU sequences. The clades are collapsed, with the number of sequences included in parentheses. Question marks above branches indicate low ultra-rapid bootstrap support (< 95). Orders are highlighted in different colours. For the genus Entrophospora, the so-called S-type reads (VanKuren et al. 2013) were included for comparison. The uncollapsed phylogram is given in Suppl. material 1.