Neighbor joining tree from Mega. Bootstrap values are the percentage of trees supporting the shown topology with Mytilus edulis set as the root. The scale bar indicates the number of base differences per site. Unknown Sample 1 and 2 are the two mussels found attached to Viviparus viviparus. These results show that the unknown samples are Dreissena polymorpha.

 
 
  Part of: Dickey JWE, Brennan RS, Chung SS-W, Jeschke JM, Steffen GT, Briski E (2023) More than we bargained for: Zebra mussels transported amongst European native freshwater snails. NeoBiota 83: 1-10. https://doi.org/10.3897/neobiota.83.97647