American Terrestrial Leech - Encyclopedia of Alabama

Smithsonian Insider – Discovery in Smithsonian collection broadens understanding of rare North American leech

North American Medicinal Leech/ Wi'-Gi-e (Osage)

Everything You Need to Know About Medicinal Leeches

Biology, Free Full-Text

Annelids - Encyclopedia of Arkansas

Leeches in the extreme: Morphological, physiological, and behavioral adaptations to inhospitable habitats - ScienceDirect

Medicinal leech mucosal secretions. (A) Hirudo verbana leeches, with

Rare leech, now a newly named species, was discovered in an Alloway Township yard

American Terrestrial Leech - Encyclopedia of Alabama

A New Bloodsucking Leech Species Found Hiding Outside Washington, D.C.