sourceTaxonName: Leptosphaeria viridella
targetTaxonName: Melilotus alba
localityName: United States
referenceCitation: Shoemaker, R.A., Babcock, C.E., and Irwin, J.A.G.. 1991. %Massarina walkeri% n. sp., the teleomorph of %Acrocalymma medicaginis% from %Medicago sativa% contrasted with %Leptosphaeria pratensis%, %L. weimeri% n. sp., and %L. viridella%.. Canad. J. Bot. 69:569-573