Extended Data Fig. 1: Five root apices were found on three thin sections in which A. mackiei was the only plant species present. | Nature

Extended Data Fig. 1: Five root apices were found on three thin sections in which A. mackiei was the only plant species present.

From: Stepwise and independent origins of roots among land plants

Extended Data Fig. 1: Five root apices were found on three thin sections in which A. mackiei was the only plant species present.The alternative text for this image may have been generated using AI.

a–c, Diagnostic features of A. mackiei include the apices of leafy shoots (black arrowhead, a), star-shaped xylem (black arrowhead, b) and leaves (black arrowhead, c). a, GLAHM Kid 3080. b, NHMUK V.15642. c, OXF 108. Scale bars, 1 cm.

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