The different types of plants present in Acadia National Park are:
- Marine Plants
- Mosses and Liverworts
- Freshwater Plants
Almost 25 percent of the plants in Acadia have been listed by the state of Maine as rare and the same numbers of plant species are non-native to Acadia. According to research, the past 300 years of human settlement has significantly changed the composition of the plant life throughout Acadia National Park.