A maximum likelihood phylogenetic tree of the COI dataset for Placobdella parasitica. Support values are standard bootstrap values. Values of <70 are not shown. The full tree with outgroups is available as Suppl. material 2.

 
 
  Part of: Phillips AJ, Reilly J, Ashton D, Richardson DJ, Sei M, Moser WE (2025) Introduced Placobdella parasitica in the lower Rogue River, Oregon: origin story. Aquatic Invasions 20(2): 251-272. https://doi.org/10.3391/ai.2025.20.2.152871