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Figure 3

From: Environmentally driven extinction and opportunistic origination explain fern diversification patterns

Figure 3

Characterisation of the studied fern genera. (a), Estimated ages of fern genera present in both molecular and fossil data sets (n = 76). Molecular age interval represents 95% HPD combining the stem and crown group nodes. Genera with congruent age estimates between the two methods are shown in blue and non-overlapping estimates in red. (b) Representative taxa from the analyses that include both living and extinct relatives: Gleicheniales: Dicranopteris flexuosa. (c) Cyatheales: Dicksonia antarctica. (d) Polypodiales: Polystichum acrostichoides.

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