Figure caption scientific names + symbols in textGrob gtable
First of all I would like to thank Sir Baptiste for helping me improve my R script by adding a caption at the bottom left the of the combined plots using gtable/textGrob as shown below: library(grid) library(gridExtra) library(ggplot2) p1 <- p2 <- ggplot() g1 <- ggplotGrob(p1) g2 <- ggplotGrob(p2) g <- rbind(g1, g2) caption <- textGrob("Figure 1. This is a caption", hjust=0, x=0) g <- gtable::gtable_add_rows(g, unit(2,"mm") + grobHeight(caption), -1) g <- gtable::gtable_add_grob(g, caption, nrow(g), l = 4, r = ncol(g)) grid.newpage() grid.draw(g) However, I want to add two more things: (1)