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. 2017 May 16;7:1959. doi: 10.1038/s41598-017-02035-1

Figure 1.

Figure 1

Differences in mean seed mass (±SD) between (a) umbel orders (primary and secondary) and (b) umbellet position (outer and central) in Peucedanum oreoselinum. Overall comparison between means was performed by Student’s t-test; different letters indicate significant (p < 0.05) differences between means.