Fig. 3From: Directed Repeats Co-occur with Few Short-Dispersed Repeats in Plastid Genome of a Spikemoss, Selaginella vardei (Selaginellaceae, Lycopodiopsida)Distribution of Repeats in S. vardei and other species in Lycophytes. The gap of each circle represents the start position and the direction is clockwise, panel a-i represent the layouts of repeats in each speciesBack to article page