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. 2020 Feb 4;11:7. doi: 10.3389/fpls.2020.00007

Figure 5.

Figure 5

Examples of pigmentation of the thallus and antheridiophores of Marchantia foliacea. Ventral (A, C) and dorsal (B, D) views of a thallus branch. The ventral surface contains the strongly pigmented scales. These extend past the meristematic notch and can be seen from the dorsal surface. The thallus in image (A) shows the strong pigmentation that can also occur in the non-scale cells. Image (D) shows a close up of the meristem region from the dorsal side, with the corresponding ventral view (C) “flipped” vertically to present the same orientation. Image (E) shows the strong pigmentation common for the surface of the antheridiophores.