Taxonomic history
[First available use of Leptothorax acervorum canadensis calderoni Forel, 1914; unavailable (infrasubspecific) name.].Combination in Leptothorax (Mychothorax): Wheeler, 1917a PDF: 513.As unavailable (infrasubspecific) name: Wheeler, 1917a PDF: 513; Emery, 1924f PDF: 261; Smith, 1951c PDF: 820.Synonym of Leptothorax muscorum septentrionalis: Creighton, 1950a PDF: 276.[Note: Creighton, 1950a PDF: 276, gives Leptothorax calderoni as senior synonym, but Leptothorax muscorum septentrionalis has priority.].Junior synonym of Leptothorax muscorum: Brown, 1955a PDF: 47; Smith, 1958c PDF: 134; Smith, 1979: 1396.Status as species: Ward, 2005 PDF: 13.