Discrete x-axis scale with species names in italic

A drop-in replacement for [ggplot2::scale_x_discrete()] that automatically renders binomial species names (labels containing a space) in italic using plotmath expressions, while leaving single-word labels unchanged. Works with any theme, including complete themes like [theme_idest()].

Usage

scale_x_italic_species(...)

Arguments

...

Arguments passed to [ggplot2::scale_x_discrete()].

Value

A `scale_x_discrete` ggplot2 scale object.

See also

[scale_y_italic_species()], [label_italic_species()]

Author

Adrien Taudiere

Examples

library(ggplot2)
df <- data.frame(
  sp = c("Russula nigricans", "Amanita", "Boletus edulis"),
  n  = c(10, 5, 8)
)
ggplot(df, aes(x = sp, y = n)) +
  geom_col() +
  theme_minimal() +
  scale_x_italic_species()