Flora of New York/ref

Eastern Region invasive plants, ranked by degree of invasiveness as based on information from States (1998) US Forest Service Category 1 Plants - highly invasive - Eastern Region invasive plants, ranked by degree of invasiveness as based on information from States (1998) US Forest Service Category 2 Plants - moderately invasive - Eastern Region invasive plants, ranked by degree of invasiveness as based on information from States (1998) US Forest Service Category 3 Plants - widespread non-native species - Eastern Region invasive plants, ranked by degree of invasiveness as based on information from States (1998) US Forest Service Category 4 Plants - local concern and monitoring - Eastern Region invasive plants, ranked by degree of invasiveness as based on information from States (1998) US Forest Service Category 5 Plants - native invasives - Eastern Region invasive plants, ranked by degree of invasiveness as based on information from States (1998) US Forest Service Policy on the use of non-native plants in Cornell Botanic Gardens' accessioned collections (2018) Appendix 2. Plant species that are considered highly invasive to natural areas in the central Finger Lakes region. Policy on the use of non-native plants in Cornell Botanic Gardens' accessioned collections (2018) Appendix 3. Plant species that are considered moderately to highly invasive to natural areas in the central Finger Lakes region. Policy on the use of non-native plants in Cornell Botanic Gardens' accessioned collections (2018) Appendix 4. Plant species that are considered moderately invasive to natural areas in the central Finger Lakes region. Policy on the use of non-native plants in Cornell Botanic Gardens' accessioned collections (2018) Appendix 5. Plant species of concern (Watch List) within the central Finger Lakes region. Policy on the use of non-native plants in Cornell Botanic Gardens' accessioned collections (2018) New York State Department of Environmental Conservation (DEC) Regulation §193.3, Protected Native Plants. New York State Department of Environmental Conservation (DEC) Regulation §193.3, Protected Native Plants, (a) Endangered. New York State Department of Environmental Conservation (DEC) Regulation §193.3, Protected Native Plants, (b) Threatened. New York State Department of Environmental Conservation (DEC) Regulation §193.3, Protected Native Plants, (c) Rare. New York State Department of Environmental Conservation (DEC) Regulation §193.3, Protected Native Plants, (d) Exploitably vulnerable.