Subcategories This category has the following 11 subcategories, out of 11 total. - Angiosperm families‎ - Plant families endemic to Australia‎ - Green algae families‎ - Historically recognized‎ - Hornwort families‎ - Liverwort families‎ - Monogeneric ‎ - Moss families‎ - Pinales families‎ - Prehistoric - Pteridophyta families‎