Author:Judith M. Canne-Hilliker Contents 1 Affiliation 1.1 Institution 1.2 Location 2 Treatments Affiliation Affiliation information has been provided by Volume 19-20-21. Institution University of Guelph Location Guelph, OntarioTreatments GGalinsoga Galinsoga parviflora G cont.Galinsoga parviflora var. parviflora Galinsoga parviflora var. semicalva G cont.Galinsoga quadriradiata