Diversity of Frankia Strains in Root Nodules of Plants from the Families Elaeagnaceae and Rhamnaceae Clawson, Michael L. ; Carú, Margarita ; Benson, David R. Abstract Publication: Applied and Environmental Microbiology Pub Date: September 1998 DOI: 10.1128/AEM.64.9.3539-3543.1998 Bibcode: 1998ApEnM..64.3539C