An online nomenclatural information system of Eumycetozoa

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Invalid or doubtful name

Physarum atrum (Pers) Fr., Syst. mycol. 3(1):147 (1829) [see pdf]

[Non Ph. atrum Schwein., 1832. According to Morgan, J. Cincinnati. Soc. Nat. Hist. 19:27. 1896, Ph. atrum Fr., is not a myxomycete. See Cooke, Contr. Mycol. Brit. 16. 1877, and Berlese in Saccardo, Syll. Fung. 7:350, 351. 1888. The comment "doubtful" in G. Lister, Monogr. Mycetozoa, ed. 3:260. 1925, summarizes adequately the unsatisfactory status of Fries's name (Martin & Alexopoulos, Myxomycetes 338. 1969). See also Rostafinski, Sluzowce Monogr. 302, 304. 1875. Based on Lycogala atra, Pers., in Fries, 1829. See comments under this species]