sourceTaxonName: Ustilago utriculosa
targetTaxonName: Polygonum punctatum
localityName: United States
referenceCitation: Fergus, C.L., Sharp, W.M., and Decker, E.. 1956. The role of plant diseases in wildlife food plants:  a smut of dotted smartweed. Pl. Dis. Reporter 40:1017-1018