Table 3. Orders of fungi and their representation.
| Order | Number of OTUs | Description | Primary source | |
|---|---|---|---|---|
| 1 | Agaricomycetes | 238 | Mushrooms and polypores | Outdoor |
| 2 | Dothideomycetes | 208 | Molds | Mixed |
| 3 | Tremellomycetes | 111 | Yeasts | Mixed |
| 4 | Leotiomycetes | 54 | Plant pathogens and saprobes | Outdoor |
| 5 | Eurotiomycetes | 48 | Molds | Mixed |
| 6 | Sordariomycetes | 39 | Plant pathogens and saprobes | Mixed |
| 7 | Microbotryomycetes | 35 | Yeasts | Mixed |
| 8 | Saccharomycetes | 19 | Yeasts | Mixed |
| 9 | Chytridiomycetes | 9 | Aquatic saprobes and pareasites | Outdoor |
| 10 | Wallemiomycetes | 8 | Molds | Mixed |
| 11 | Lecanoromycetes | 7 | Lichenized fungi | Outdoor |
| 12 | Pezizomycetes | 6 | Mushrooms and molds | Outdoor |
| 13 | Agaricostilbomycetes | 5 | Yeasts | Outdoor |
| 14 | Glomeromycetes | 3 | Plant root biotrophs | Outdoor |
| 15 | Taphrinomycetes | 3 | Plant pathogens | Outdoor |
| 16 | Orbiliomycetes | 2 | Saprobes | Outdoor |
| 18 | Cystobasidiomycetes | 1 | Yeasts | Outdoor |
| 19 | Ambiguous | 44 | ||
| 20 | Incertae sedis | 16 | ||
| 21 | Unclassified | 130 |
The abundance of OTUs, which were identified to order by BLAST match, were summed. The representative ecology for those OTUs are given, and their proposed source, either outdoor or mixed indoor and outdoor, are also given.