Difco R2A Agar, Raka-Ray No 3 Medium, Rappaport Vassiliadis MSRV, Rappaport-Vassilidas, R10 Broth, Regan-Lowe Charcoal Agar, BBL Reinforced Clostridial, Riboflavin Assay Medium, Rice Extract Agar, Rogosa Sl Agar, Rogosa Sl Broth, Rose Bengal Agar Base, RVP Broth, RVP Medium