Current name: Collybiopsis ramealis (Bull.) Millsp., West Virginia Geological Survey 5 (1): 127 (1913) [MB#100636]
Basionym:
Agaricus ramealis Bull., Herbier de la France 7 (73-84): tab. 336 (1787) [MB#140262]
Obligate synonyms: - Marasmiellus ramealis (Bull.) Singer, Pap. Michigan Acad. Sci. 32: 130 (1948) [MB#287907]
- Marasmius ramealis (Bull.) Fr., Epicrisis Systematis Mycologici: 381 (1838) [MB#152280]
- Micromphale rameale (Bull.) Kühner, Bull. Mens. Soc. Linn. Lyon 49: 896 (1980) [MB#107640]
- Gymnopus ramealis (Bull.) Gray, A natural arrangement of British plants 1: 611 (1821) [MB#455905]
- Micromphale ramealis (Bull.) Kühner (1980) [MB#270924]
- Gymnopus ramealis (Bull.) J.L. Mata & R.H. Petersen, Mycoscience 45 (3): 221 (2004) [MB#487823]
- Chamaeceras ramealis (Bull.) Kuntze, Revisio generum plantarum 3 (3): 457 (1898) [MB#524353]
Taxonomic synonyms: - Agaricus amadelphus Bull. & Vent., Herbier de la France 12 (133-144): t. 550:3 (1792) [MB#207109]
- Micromphale amadelphum (Bull.) Honrubia, Cryptog. Mycol. 5 (1): 57 (1984) [MB#107009]
- Marasmius amadelphus (Bull.) Fr., Epicrisis Systematis Mycologici: 380 (1838) [MB#210312]
- Marasmiellus amadelphus (Bull.) M. Moser, Kleine Krypt.-Fl. 2b (2): 118 (1967) [MB#333624]
- Micromphale amadelphus (Bull.) Honrubia (1984) [MB#270903]
- Chamaeceras amadelphus (Bull.) Kuntze, Revisio generum plantarum 3 (3): 455 (1898) [MB#524088]