| ITS | Internal Transcribed Spacer |
| MEA | Malt Extract Agar |
| ML | Maximum Likelihood |
| MNA-CCFEE | National Antarctic Museum-Culture Collection of Fungi from Extreme Environments |
| MUT | Mycotheca Universitatis Taurinenesis |
| NCBI | National Center for Biotechnology Information |
| nucITS | nuclear Internal Transcribed Spacers |
| nucLSU | nuclear ribosomal Large SubUnit |
| nucSSU | nuclear ribosomal Small SubUnit |
| PCR | Polymerase Chain Reaction |
| PSFR | Potential Scale Reduction Factor |
| RIF | Rock Inhabitant Fungi |
| TM | Trebouxia Medium |