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NATIVE SPECIES |
INVASIVE SPECIES |
| DEFINITION |
Plants that have adapted to weather patterns, soil types, temperature extremes, and wildlife of a given region and have evolved to complement each other |
Non-native plants that out-compete native plants, spread rampantly, and alter the natural ecosystem |
| EXAMPLES (Western Oregon) |
- Douglas Fir
- Western Hemlock
- Red Flowering Currant
- Oregon Grape
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- English Ivy
- Scots Broom
- Butterfly Bush
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| WHY ARE THE PLANTS GOOD? |
- Provide food, shelter and a place to raise young for local wildlife
- Naturally resistant to local diseases, predators and parasites
- Adapted to local water supply so it needs less water in the summer
- Adapted to local climate
- Don’t
need pesticides or fertilizer; keep water resources clean
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| WHY ARE THE PLANTS BAD? |
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- Out-compete native plants
- Spread rampantly because they have no natural predators to keep them in check
- Aren't as useful as native plants to birds, butterflies and other wildlife
- Learn More
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| RESOURCES |
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