| soortnaam | omschrijving | aantal waarnemingen |
| Rhodocollybia butyracea f. butyracea | onbekend | 387 |
| Rhodocollybia butyracea f. butyracea | 36 gemengd bos, droog, arm | 82 |
| Rhodocollybia butyracea f. butyracea | 17 loofbos, arm zand | 60 |
| Rhodocollybia butyracea f. butyracea | 30 Naaldbos, gemengd bos | 56 |
| Rhodocollybia butyracea f. butyracea | 15 loofbos, rijk zand | 23 |
| Rhodocollybia butyracea f. butyracea | 38 gemengd bos, droog, rijk zand | 21 |
| Rhodocollybia butyracea f. butyracea | 10 Loofbossen | 18 |
| Rhodocollybia butyracea f. butyracea | 37 gemengd bos, vochtig, arm | 17 |
| Rhodocollybia butyracea f. butyracea | 39 gemengd bos, vochtig, rijk klei | 16 |
| Rhodocollybia butyracea f. butyracea | 16 loofbos, kalkrijke leem | 15 |
| Rhodocollybia butyracea f. butyracea | 31 naaldbos, droog, arm | 15 |
| Rhodocollybia butyracea f. butyracea | 49 laan, droog, arm | 14 |
| Rhodocollybia butyracea f. butyracea | 14 loofbos, rijke klei | 9 |
| Rhodocollybia butyracea f. butyracea | 93 park, plantsoen | 8 |
| Rhodocollybia butyracea f. butyracea | 77 grasland, arm, duinen | 8 |
| Rhodocollybia butyracea f. butyracea | 26 struwelen, duinen | 6 |
| Rhodocollybia butyracea f. butyracea | 89 steenstort | 4 |
| Rhodocollybia butyracea f. butyracea | 11 wilgenvloedbos | 3 |
| Rhodocollybia butyracea f. butyracea | 46 laan, vochtig, rijk | 2 |
| Rhodocollybia butyracea f. butyracea | 43 loofhoutsingel, rijk | 2 |
| Rhodocollybia butyracea f. butyracea | 58 zandverstuiving | 2 |
| Rhodocollybia butyracea f. butyracea | 12 elzenbroekbos | 2 |
| Rhodocollybia butyracea f. butyracea | 80 Duinen, kwelders, z.platen, muren | 1 |
| Rhodocollybia butyracea f. butyracea | 52 heide, vochtig, binnenland | 1 |
| Rhodocollybia butyracea f. butyracea | 44 loofhoutsingel, vochtig, arm | 1 |
| Rhodocollybia butyracea f. butyracea | 62 hoogveen, uitgedroogd | 1 |
| Rhodocollybia butyracea f. butyracea | 18 boomweide (populier, wilg) | 1 |
| Rhodocollybia butyracea f. butyracea | 67 duinvallei | 1 |
| Rhodocollybia butyracea f. butyracea | 05 jonge bosaanplant, arm | 1 |
| Rhodocollybia butyracea f. butyracea | 95 spoorberm | 1 |
| Rhodocollybia butyracea f. butyracea | 40 Houtwallen, -singels, lanen | 1 |
| Rhodocollybia butyracea f. butyracea | 06 jonge bosaanplant, rijk | 1 |
| Rhodocollybia butyracea f. butyracea | 02 kapvlakte, gemengd bos | 1 |
| Rhodocollybia butyracea f. butyracea | 08 loofbos, uitdrogend hoogveen | 1 |
| Rhodocollybia butyracea f. butyracea | 98 wegberm, droog, rijk | 1 |
| Rhodocollybia butyracea f. butyracea | 32 naaldbos, vochtig, arm | 1 |
| Rhodocollybia butyracea f. butyracea | 33 naaldbos, droog, rijk zand | 1 |
| Rhodocollybia butyracea f. butyracea | 55 heide, vochtig, duinen | 1 |
| Rhodocollybia butyracea f. butyracea | 94 ruigtevegetatie, vuilnisbelt | 1 |
| Rhodocollybia butyracea f. butyracea | 79 grasland, kalkarm zand, binnenland | 1 |
| Rhodocollybia butyracea f. butyracea | 23 sleedoorn-meidoornstruweel | 1 |
| Rhodocollybia butyracea f. butyracea | 96 wegberm, droog, arm | 1 |
| Rhodocollybia butyracea f. butyracea | 27 eikenhakhout | 1 |
| Rhodocollybia butyracea f. butyracea | 70 Gras- en hooilanden | 1 |