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. 2017 Mar 28;8:406. doi: 10.3389/fpls.2017.00406

FIGURE 2.

FIGURE 2

Phylogenetic distribution of angiosperm clades reported to have salt glands. Families associated with the four types of salt glands discussed in this review are grouped in the same colors used to distinguish salt gland types in Figure 1. The asterisk symbols () represent 12 likely independent introductions of salt glands into a family/clade. Phylogenetic relationships are based on the APG IV classification system (Byng et al., 2016).