Iwama, R. E.; Oceguera-Figueroa, A.; de Carle, D.; Manglicmot, C.; Erséus, C.; Miles, N. M.-S.; Siddall, M. E.; Kvist, S.

Broad Geographic Sampling and DNA Barcoding Do Not Support the presence of Helobdella stagnalis (Linnaeus, 1758) (Clitellata: Glossiphoniidae) in North America

. Zootaxa 2019, 4671, 1–25.