Four myxozoans from gall bladders of amphibians from Arkansas: A) Chloromyxum salamandrae plasmodia from many-ribbed salamander (Eurycea multiplicata), B) Cystodiscus sp. spores from spotted salamander (Ambystoma maculatum), C) Cystodiscus sp. plasmodium from Blanchard’s cricket frog (Acris blanchardii), and D) Cystodiscus sp. plasmodium from dwarf American toad (Anaxyrus americanus).

Microscopic organisms with corresponding letters

Photomicrographs by Dr. Chris T. McAllister