Basionym:
Agaricus penetrans Fr., Observationes Mycologicae 1: 23 (1815) [MB#454822]
Obligate synonyms:
- Flammula penetrans (Fr.) Quél., Mém. Soc. Émul. Montbéliard Ser. 2, 5: 252 (1872) [MB#221486]
- Dryophila penetrans (Fr.) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 1-352 (1886) [MB#455873]
- Fulvidula penetrans (Fr.) Singer, Rev. Mycol. (Paris) 2 (6): 239 (1937) [MB#314198]
- Naucoria penetrans (Fr.) Henn. (1898) [MB#295956]
- Flammula penetrans var. penetrans (?) [MB#420279]
Taxonomic synonyms:
- Flammula croceolamellata Pilát, Bull. Soc. Mycol. Fr.: 251 (1939) [MB#262349]
- Flammula penetrans var. madagascariensis Henn., Bot. Jahrb. Syst. 17: 35 (1893) [MB#138005]
- Agaricus penetrans var. australis Berk., Bot. J. Linn. Soc. 13: 158 (1872) [MB#131078]
- Flammula penetrans var. australis (Berk.) Sacc., Syll. Fung. 5: 823 (1887) [MB#137996]