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Diderma difforme Pers., Tent. disp. meth. fung. 9 (1797) [see pdf] [M. & A., 383]

 

Didymium difforme (Pers.) Duby, Bot. gall., ed. 2 2:858 (1830) [see pdf] [Comb. superfl., proposed earlier by Gray (1821)]

 

Chondrioderma difforme (Pers.) Rostaf., in Fuckel, Jahrb. Nassauischen Vereins Naturk. 27-28:74 (1873) [see pdf] [M. & A., 383]

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Licea caesia Schumach., Enum. pl. 2:219 (1803) [see pdf] [M. & A., 383]

 

Physarum caesium (Schumach.) Fr., Syst. mycol. 3:147 (1829) [see pdf] [non Ph. caesium Shuang L. Chen & Yu Li] [M. & A., 383]

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Amphisporium versicolor Link, Ges. Naturf. Freunde Berlin Mag. Neuesten Entdeck. Gesammten Naturk. 7:41 (1815) [see pdf] [M. & A., 383]

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Didymium cyanescens Fr. & Palmquist, Symb. gasteromyc. 3:19 (1818) [see pdf] [Other suggested possible synonym of D. difforme (Pers.) Gray] [M. & A., 384]

 

Diderma cyanescens (Fr.) Fr., Syst. mycol. 3:109 (1829) [see pdf] [M. & A., 384]

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Licea alba Nees, in Kunze & Schmidt, Mykol. Hefte 2:66 (1823) [M. & A., 383]

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Lycogala minutum Grev., Scott. crypt. fl. 1(8):pl. 40 (1823) [see pdf] [non L. minutum Sacc. & Paol., 1877] [M. & A., 383]

 

Physarum album (Nees) Fr., Syst. mycol. 3:147 (1829) [see pdf] [Nom. illeg., non Ph. album (Bull.) Chevall., 1826 nec Ph. album Fuckel, 1865] [M. & A., 383]

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Reticularia pusilla Fr., Syst. orb. veg. 147 (1825) [see pdf] [M. & A., 383]

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Diderma liceoides Fr., Syst. mycol. 3:107 (1829) [see pdf] [Other suggested possible synonyms of Didymium difforme (Pers.) Gray, may be the same as the Didymium cyanescens Fr. (Martin & Alexopoulos, Myxomycetes 384. 1969)]

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Licea macrospora Schwein., Trans. Amer. Philos. Soc., new ser. 4:258 (1832) [see pdf] [Nom. illeg., non L. macrospora Schumach., 1803] [M. & A., 383]

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Diderma neesii Corda, Icon. fung. 2:23 (1838) [see pdf] [Cited by Rostafinski, Sluzowce Monogr. 178 (1874), as a synonym of Chondrioderma difforme (Pers.) Rostaf. Corda's pl. 12 fig. 88 suggests a Diderma, rather than a Didymium] [M. & A., 383]

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Diderma libertianum Fresen., Beitr. Mykol. 1:28 (1850) [see pdf] [M. & A., 383]

 

Didymium libertianum (Fresen.) de Bary, Mycetozoen, ed. 2 124 (1864) [see pdf]

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Chondrioderma liceoides Rostaf., Sluzowce monogr. suppl. 17 (1876) [see pdf] [M. & A., 383]

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Chondrioderma micraspis Speg., Anales Mus. Nac. Hist. Nat. Buenos Aires 6:200 (1899) [see pdf] [Farr, Fl. Neotrop. 16: 222 (1976)]

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Diderma persoonii T. Macbr., N. Amer. Slime-moulds, ed. 1 96 (1899) [see pdf] [M. & A., 383]

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Didymium tubulatum E. Jahn, Ber. Deutsch. Bot. Ges. 36:663 (1919) [see pdf] [M. & A., 383]

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Didymium difforme var. repandum G. Lister, J. Bot. 59:91 (1921) [see pdf] [It may be worthy of recognition as a distinct species in which case Jahns name (D. tubulatum) would take prece-dence over G. Lister's varietal designation, Martin & Alexopoulos, 1969: 384]