Coccidioides on culture and microscopy This was coccidioides sp (in this particular case was posadasii, although morphologically indistinguishable) Features include: - Gross morph: Waxy/felty colonies which may become tan or brown from age - Microscopic morph: barrel shaped arthroconidia with alternating with empty disjunctor cells Dr. Ahmed Babiker @Ahmed_HBabiker #Coccidioides #culture #microscopy #clinical #microbiology #cocci