| algeria | | paxillus adelphus | species | 1 | 0 |
| algeria | | paxillus olivellus | species | 1 | 0 |
| argentina | | paxillus ammoniavirescens | species | 1 | 0 |
| australia | | paxillus involutus | species | 1 | 0 |
| australia | australian capital territory | paxillus involutus | species | 4 | 0 |
| brazil | | neopaxillus echinospermus | species | 4 | 0 |
| canada | | paxillus involutus | species | 4 | 0 |
| canada | british columbia | paxillus ammoniavirescens | species | 1 | 0 |
| canada | british columbia | paxillus involutus | species | 3 | 0 |
| canada | nova scotia | paxillus involutus | species | 1 | 0 |
| canada | ontario | paxillus involutus | species | 3 | 0 |
| canada | quebec | paxillus involutus | species | 3 | 0 |
| china | | paxillus involutus | species | 4 | 0 |
| china | | paxillus rubicundulus | species | 2 | 0 |
| china | | paxillus vernalis | species | 1 | 0 |
| china | beijing | paxillus involutus | species | 1 | 0 |
| china | beijing | paxillus vernalis | species | 103 | 0 |
| china | yunnan | paxillus involutus | species | 2 | 0 |
| china | yunnan | paxillus orientalis | species | 2 | 0 |
| czech republic | | paxillus involutus | species | 3 | 0 |
| dominican republic | | neopaxillus dominicanus | species | 5 | 0 |
| dominican republic | puerto plata province | neopaxillus dominicanus | species | 24 | 0 |
| finland | | uncultured paxillus | species | 1 | 0 |
| france | | paxillus ammoniavirescens | species | 2 | 0 |
| france | | paxillus obscurosporus | species | 1 | 0 |
| france | | paxillus rubicundulus | species | 2 | 0 |
| france | | paxillus sp. | species | 8 | 0 |
| france | | paxillus sp. lm3490 | species | 1 | 0 |
| france | | paxillus sp. lm3510 | species | 1 | 0 |
| france | | uncultured paxillus | species | 2 | 0 |
| france | aquitaine region | paxillus cuprinus | species | 41 | 0 |
| france | aquitaine region | paxillus involutus | species | 8 | 0 |
| france | aquitaine region | paxillus olivellus | species | 27 | 0 |
| france | aquitaine region | paxillus rubicundulus | species | 3 | 0 |
| france | bretagne region | paxillus ammoniavirescens | species | 2 | 0 |
| france | bretagne region | paxillus cuprinus | species | 12 | 0 |
| france | bretagne region | paxillus involutus | species | 16 | 0 |
| france | centre region | uncultured paxillus | species | 1 | 0 |
| france | corse region | paxillus adelphus | species | 13 | 0 |
| france | corse region | paxillus olivellus | species | 13 | 0 |
| france | languedoc-roussillon region | paxillus adelphus | species | 6 | 0 |
| france | languedoc-roussillon region | paxillus rubicundulus | species | 3 | 0 |
| france | provence-alpes-cote d'azur region | paxillus ammoniavirescens | species | 6 | 0 |
| georgia | | uncultured paxillus | species | 15 | 0 |
| germany | | paxillus involutus | species | 6 | 0 |
| germany | | paxillus obscurosporus | species | 6 | 0 |
| germany | baden-wuerttemberg | paxillus involutus | species | 10 | 0 |
| germany | bavaria | paxillus filamentosus | species | 2 | 0 |
| germany | bavaria | paxillus involutus | species | 2 | 0 |
| germany | brandenburg | uncultured paxillus | species | 1 | 0 |
| germany | lower saxony | paxillus involutus | species | 4 | 0 |
| germany | thuringen | uncultured paxillus | species | 1 | 0 |
| guyana | | neopaxillus sp. g4201 | species | 1 | 0 |
| india | | paxillus ammoniavirescens | species | 3 | 0 |
| india | sikkim | paxillus orientalis | species | 1 | 0 |
| iran | | paxillus involutus | species | 2 | 0 |
| italy | | paxillus ammoniavirescens | species | 1 | 0 |
| italy | | paxillus involutus f. eburneus | forma | 1 | 0 |
| italy | sardinia autonomous region | paxillus ammoniavirescens | species | 2 | 0 |
| japan | iwate prefecture | uncultured paxillus | species | 1 | 0 |
| latvia | | paxillus involutus | species | 2 | 0 |
| latvia | | uncultured paxillus | species | 1 | 0 |
| lithuania | | paxillus involutus | species | 1 | 0 |
| lithuania | | paxillus sp. | species | 1 | 0 |
| mexico | | neopaxillus dominicanus | species | 4 | 0 |
| mexico | oaxaca | neopaxillus dominicanus | species | 1 | 0 |
| montenegro | | paxillus involutus | species | 1 | 0 |
| new caledonia | | paxillus chalybaeus | species | 2 | 0 |
| new zealand | | austrogaster novae-zelandiae | species | 2 | 0 |
| new zealand | | paxillus ammoniavirescens | species | 4 | 0 |
| new zealand | | paxillus cuprinus | species | 5 | 0 |
| poland | | paxillus ammoniavirescens | species | 3 | 0 |
| poland | | paxillus filamentosus | species | 1 | 0 |
| poland | | paxillus involutus | species | 8 | 0 |
| poland | | uncultured ectomycorrhiza (paxillaceae) | species | 1 | 0 |
| poland | | uncultured paxillus | species | 7 | 0 |
| poland | lubuskie province | paxillus involutus | species | 0 | 1 |
| poland | mazovia province | paxillus cuprinus | species | 1 | 0 |
| portugal | | paxillus involutus | species | 1 | 0 |
| portugal | | uncultured paxillus | species | 2 | 0 |
| puerto rico | | neopaxillus plumbeus | species | 4 | 0 |
| russia | | paxillus obscurosporus | species | 1 | 0 |
| spain | | paxillus involutus | species | 1 | 0 |
| spain | | uncultured paxillus | species | 4 | 0 |
| spain | asturias | paxillus ammoniavirescens | species | 3 | 0 |
| spain | asturias | paxillus cuprinus | species | 1 | 0 |
| spain | galicia | paxillus ammoniavirescens | species | 1 | 0 |
| sweden | | uncultured paxillus | species | 28 | 0 |
| united kingdom | | paxillus rubicundulus | species | 2 | 0 |
| united kingdom | | paxillus sp. | species | 1 | 0 |
| united kingdom | england | paxillus aff. involutus a.e. hills 2005067 (k) | species | 1 | 0 |
| united kingdom | england | paxillus aff. involutus s. kelly s.n. | species | 1 | 0 |
| united kingdom | england | paxillus ammoniavirescens | species | 4 | 0 |
| united kingdom | england | paxillus involutus | species | 33 | 0 |
| united kingdom | england | paxillus sp. fc180 | species | 1 | 0 |
| united kingdom | scotland | uncultured paxillus | species | 1 | 0 |
| united states | | paxillus involutus | species | 1 | 0 |
| united states | | uncultured paxillus | species | 1 | 0 |
| united states | alaska | paxillus ammoniavirescens | species | 2 | 0 |
| united states | alaska | paxillus involutus | species | 2 | 0 |
| united states | arizona | paxillus obscurosporus | species | 1 | 0 |
| united states | california | paxillus aff. involutus d. deshazer dd535 | species | 1 | 0 |
| united states | california | paxillus aff. involutus e.c. vellinga 3211b (uc) | species | 1 | 0 |
| united states | california | paxillus aff. involutus e.c. vellinga 3336 (uc) | species | 1 | 0 |
| united states | colorado | paxillus vernalis | species | 1 | 0 |
| united states | michigan | paxillus aff. involutus m. kuo 09130703 (uc) | species | 1 | 0 |
| united states | michigan | paxillus cf. vernalis m. kuo 09120701 (uc) | species | 1 | 0 |
| united states | michigan | uncultured paxillus | species | 1 | 0 |
| united states | new hampshire | uncultured paxillus | species | 1 | 0 |
| united states | north carolina | paxillus involutus | species | 1 | 0 |
| united states | oregon | paxillus cuprinus | species | 1 | 0 |
| united states | oregon | paxillus involutus | species | 1 | 0 |
| united states | tennessee | paxillus aff. involutus tenn64458 | species | 1 | 0 |
| united states | tennessee | paxillus cuprinus | species | 1 | 0 |
| united states | tennessee | paxillus involutus | species | 4 | 0 |
| united states | washington | paxillus aff. involutus e.c. vellinga s.n. (uc) | species | 1 | 0 |
| united states | washington | paxillus cuprinus | species | 3 | 0 |
| united states | washington | paxillus sp. | species | 1 | 0 |
| united states | wisconsin | paxillus involutus | species | 1 | 0 |
| united states | wisconsin | uncultured paxillus | species | 1 | 0 |