| china | | entoloma byssisedum var. microsporum | varietas | 4 | 0 |
| spain | catalonia | entoloma byssisedum var. byssisedum | varietas | 1 | 0 |
| spain | catalonia | entoloma byssisedum var. microsporum | varietas | 1 | 0 |
| united states | indiana | entoloma byssisedum | species | 1 | 0 |
| united states | north carolina | entoloma byssisedum | species | 1 | 0 |