Actinomyces hordeovulneris
Phylum Actinobacteria
Class Actinobacteria
Order Actinomycetales
Family Actinomycetaceae
Genus Actinomyces
Species hordeovulneris

Actinomyces hordeovulneris is a species of the Actinomyces genus.

It is an organism found in seed heads of certain grasses. Colonies adhere to agar plates and are non-haemolytic, filamentous, branching organisms.

A.hordeovulneris causes cutaneous and visceral abscessation, pleuritis, peritonitis and arthritis in dogs.