genus   specie    infraspecie    author    publication Accepted name

	Didymium clavus (Alb. & Schwein.) Rabenh., Deutschl. Krypt.-Fl. 1:280 (1844) [see pdf]

≡	Physarum clavus Alb. & Schwein., Consp. fung. lusat. 96 (1805) [see pdf]

Didymium melanopus var. clavus (Alb. & Schwein.) Fr., Syst. mycol. 3(1):114 (1829) [see pdf]

Didymium melanopus var. clavus (Alb. & Schwein.) Wallr., Fl. crypt. Germ. 2:370 (1833) [see pdf] [Comb. superfl., previously proposed by Fries, 1829]

=	Didymium commutabile Berk. & Broome, J. Linn. Soc., Bot. 14:83 (1873) [see pdf] ["1875"]

=	Didymium neglectum Massee, Monogr. Myxogastr. 231 (1892) [see pdf] [Nom. illeg., non D. neglectum Berk. & Broome 1873]

=	Didymium masseeanum Sacc. & Syd., in Saccardo, Syll. fung. 14:836 (1899) [see pdf]