Werner, Gijsbert D A A single evolutionary innovation drives the deep evolution of symbiotic N2-fixation in angiosperms. [electronic resource] - Nature communications Jun 2014 - 4087 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 2041-1723 Standard No.: 10.1038/ncomms5087 doi Subjects--Topical Terms: Biological EvolutionMagnoliopsidaNitrogen FixationSymbiosis