exotic, non-native, alien, noxious, or non-indigenous, invasive
Plants that become invasive have unique characteristics that give them the ability to thrive and spread aggressively outside their natural ranges.
- Produce large numbers of seeds each season
- Spread by rhizomes and root fragments
- Tolerate many soil types and weather conditions
- Spread easily and efficiently, usually by wind, water, or animals
- Grow rapidly, allowing them to displace slower growing plants
- Spread rampantly when they are free of the natural checks and balances found in their native range
Non-native plants often spread because the insects, diseases, and foraging animals that naturally keep them in check in their native ranges are absent in their new locations. Invasive plants impact native plant and animal communities by displacing native vegetation and disrupting habitats as they become established and spread over time. Disturbed or abandonned lands provide easy places for invasive plants to become established.
Salem Sound Coastwatch, partnering with local land trusts, park and recreation departments and conservation commissions, works to tackle the invasive plant problem within the Salem Sound watershed. Often groups will call us looking for a service day and we organize a plant removal project.
To learn more, there is a wealth of excellent online resources:
Center for Invasive Species and Ecological Health http://www.invasive.org/
Some of the bad plants in Salem Sound watershed.
Don't think this is here yet but we should be on the lookout!