Figure 1 | Scientific Reports

Figure 1

From: Large-scale phylogenetic analyses reveal multiple gains of actinorhizal nitrogen-fixing symbioses in angiosperms associated with climate change

Figure 1

Chronogram of the nitrogen-fixing clade.

Dating analysis was performed using PL method. Green indicates rhizobial lineages; red represents actinorhizal nitrogen-fixing lineages (numbered 1–9); grey represents unknown; black represents no nitrogen-fixing symbiosis. Green box indicates the nodule morphological characteristics of rhizobial nitrogen-fixing plants and their symbiotic partners and red box indicates that of actinorhizal nitrogen-fixing plants and their symbiotic partners.

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