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Phylogenetic analysis of the putative AUX/IAAs and ARFs in Streptophyta. UPGMA trees show subsets of the AUX/IAA (A) and ARF (B) families. The sequences from C. orbicularis and S. pratensis are indicated with arrowheads. At, Arabidopsis; Co, C. orbicularis; Os, Oryza sativa; Pp, P. patens; Pt, Populus trichocarpa; Sp, S. pratensis; Sm, S. moellendorffii; Zm, Zea mays.
