sourceTaxonName: Physoderma johnsii
targetTaxonName: Caltha palustris
localityName: United States
referenceCitation: Sparrow, F.K.. 1961. Observations on chytridaceous parasites of phanerogams X. Notes on some species of %Physoderma% occuring in the Douglas Lake Region of Northern Michigan. Pap. Michigan Acad. Sci. 46:183-194