sourceTaxonName: Plasmodiophora brassicae
targetTaxonName: Brassica oleracea var. italica
localityName: United States
referenceCitation: Campbell, R.N., Greathead, A.S., Myers, D.F., and de Boer, G.J.. 1985. Factors related to control of clubroot of crucifers in the Salinas Valley of California. Phytopathology 75:665-670