Species naturally occurring in park or region.

Also refers to reintroductions. Native species that has been extirpated or substantially diminished from the park as a result of human-induced change, and that has been or is in the process of being restored.

Species has been introduced or is maintained as part of the park's mission, significance, or cultural landscape (e.g., orchards, crops, fields)

Designation by a governmental authority. Species grows aggressively and has broad environmental tolerance that allows it to establish in many locations.

Species occurring on park lands as a result of deliberate or accidental human activities.

Species has been introduced or is maintained as part of the park's mission, significance, or cultural landscape (e.g., orchards, crops, fields)

Non-native species whose introduction is likely to cause economic or environmental harm.

Designation by a governmental authority. Species grows aggressively and has broad environmental tolerance that allows it to establish in many locations.

Nativeness status is unknown or ambiguous.

Species has been introduced or is maintained as part of the park's mission, significance, or cultural landscape (e.g., orchards, crops, fields)

Designation by a governmental authority. Species grows aggressively and has broad environmental tolerance that allows it to establish in many locations.