Moreno, A. G.; Jesus, J. B.; Diaz Cosin, D. J. (1982). Contribution to the knowledge of Spanish Lumbricidae. II. Dendrobaena alvaradoi n. sp. Bolletino di zoologia. 49(1-2): 21-24.
A new species is recorded, Dendrobaena alvaradoi, from Galapagar (Madrid, Spain). Its morphology is described and the soil examined in which it was found. Similarities and differences with related species are discussed.