Today, most commercial varieties of this antibiotic are produced by the mold P. chrysogenum
These other types of penicillin differ in the efficacy and ease of use in different... [DOC] [TLE] Penicillium - Mold & Bacteria Consulting Laboratories [PAR] May 26, 2012 ... Penicillium chrysogenum is the most common Penicillium species in indoor ... 
lives by producing the first ever known modern antibiotic, the penicillin.