2009-04-282009-04-281984https://hdl.handle.net/10365/3707Plant biologyWeeds.Leafy spurge.Chromatographic analyses of taxonomic affinities between North American and European populations of leafy spurge (Euphorbia, Euphorbiaceae)1984 Leafy Spurge Symposium Proceedings; Dickinson, ND; June 27-28, 1984