To cite package ‘ggtreeSpace’ in publications use:

  Yu G (2026). _ggtreeSpace: Visualizing Phylomorphospaces using
  'ggtree'_. R package version 1.8.0,
  <https://bioconductor.org/packages/ggtreeSpace>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggtreeSpace: Visualizing Phylomorphospaces using 'ggtree'},
    author = {Guangchuang Yu},
    year = {2026},
    note = {R package version 1.8.0},
    url = {https://bioconductor.org/packages/ggtreeSpace},
  }