sourceTaxonName: Pythium paroecandrum
targetTaxonName: Daucus carota
localityName: United States
referenceCitation: Mildenhall, J.P., Pratt, R.G., Williams, P.H., and Mitchell, J.E.. 1971. Pythium brown root and forking of muck-grown carrots. Pl. Dis. Reporter 55:536-540