Distribution of components of plant nuclear envelope in the plant kingdom. (A) Selected plant lineages used in this study from left to right: Unicells Algae (pink), Moss and Club Moss (red), Gymnosperm (orange), Basal Angisoperms (yellow), Monocots (green) and Eudicots (blue). Zeta epsilon and gamma WGDs are indicated as arrow heads respectively in black, gray and purple. (B) Distribution of the 9 protein families (rows) in the 20 species (columns). Absence (0) of a given protein is highlighted in light orange.