Lumbricus friendi Cognetti, 1904
Lumbricus papillosus Friend, 1893: 1 .
Lumbricus papillosus: Michaelsen 1900a: 512; Michaelsen 1903: 178. Lumbricus friendi Cognetti, 1904: 10 .
Lumbricus friendi: Graff 1958: 290; Bouché 1972: 357; Easton 1983: 482; Sims & Gerard 1999: 102; Blakemore 2008: 50 –51.
Ecology. Anecic species with records from grassland sites (Eggert 1982). Occurs mainly under forest litter (Sims & Gerard 1999).
Zoogeographical distribution type. Western European distribution: Great Britain, France, Spain, Austria, Switzerland (Sims & Gerard 1999), Ireland, Germany, Italy, Portugal and Andorra (Rota 2014: Fauna Europaea). Introduced into North America (Csuzdi & Szlávecz 2003).
Distribution in Germany. Central Germany (Eggert 1982); southern Germany (Graff 1958; Sommer et al. 2002).