Basionym Name:Physarum mortonii T. Macbr., N. Amer. Slime-Moulds, Edn 2 (New York): 58 (1922)
Homotypic synonyms:Physarum contextum var. mortonii (T. Macbr.) G. Lister, [as 'mortoni'] Monogr. Mycetozoa, 3rd Edn (London): 60 (1925)