1. SRS-FIA Invasive Plant Identification 2012-2013 Part 7 This presentation contains the original invasive tree species added to the list preceding SRS-FIA manual version 6.0.

2. Princess Tree - Paulownia tomentosa PATO2 Opposite, entire, heart shaped leaves, fuzzy hairs above and below Flowers April to May. Before leaves in spring. Pale – violet and fragrant. Ecology: Forms colonies Forest margins

3. Princess Tree - Paulownia tomentosa PATO2 Leaves can get >2 feet long

5. Paulownia tomentosa PATO2 Look-a-like Catalpa

6. Princess Tree - Paulownia tomentosa PATO2

7. Autumn olive leaves: deciduous, elliptic wavy margins pubescent, scale-less above dense silver scales below Stems: spur twigs common (thorny) grey-green, smooth, glossy Ecology: individuals and stands occur in openings and in shade Elaeagnus Group (Olive Group) ELAEA

8. Russian olive leaves: deciduous, long lanceolate sparse silver scales above dense silver scales below Stems: thorny silver scales/smooth green-red Ecology: forest margins forest openings Elaeagnus Group (Olive Group) ELAEA

9. Elaeagnus umbellata Autumn olive

10. Elaeagnus angustifolia Russian olive

11. Albizia julibrissin ALJU Common names: silktree, mimosa, silky acacia, Japanese mimosa Deciduous, leguminous tree 10 to 50 feet tall. Smooth light-brown bark, feathery leaves, and showy pink blossoms that continually yield dangling flat pods during summer. Some pods persistent during winter. Occurs on dry-to-wet sites and spreads along stream banks, preferring open conditions but also persisting in shade. AKA –pretty much anywhere.

12. Albizia julibrissin ALJU

13. Triadica sebifera TRSE6 Synonym: Sapium sebiferum Common names: tallowtree, popcorntree, Chinese tallowtree Leaves are alternately whorled, heart shaped, entire, 1-3” petioles Found in wet ditches, streambanks, riverbanks, uplands sites

14. Triadica sebifera TRSE6 Common names: tallowtree, popcorntree, Chinese tallowtree Twigs lime green turning gray with scattered brownish lenticels. Can produce up to 100,000 seeds per year.

15. Triadica sebifera TRSE6

16. Ailanthus altissima AIAL Common names: tree-of-heaven, ailanthus, Chinese sumac, stinking sumac, paradise-tree, copal-tree Leaves are pinnately compound Leaf stalk with swollen base Leaflets arranged sub-opposite Circular glands under lobes at leaflet base

17. Ailanthus altissima AIAL Common names: tree-of-heaven, ailanthus, Chinese sumac, stinking sumac, paradise-tree, copal-tree Fruit and seeds: July to February. Wing- shaped fruit with twisted tips on female trees, 1 inch (2.5 cm) long. Single seed. Green turning to tan, then brown. Persist on tree for most of the winter. Large, heart-shaped leaf scars

18. Ailanthus altissima AIAL Look-a-like Sumacs, Rhus spp. – terminal flower/fruit cluster and no glands on base of leaves.

19. Ailanthus altissima AIAL

20. Photo Credits: Amy Ferriter, State of Idaho, Bugwood.org Dan Clark, USDI National Park Service, Bugwood.org Joseph M. DiTomaso, University of California - Davis, Bugwood.org Rebekah D. Wallace, University of Georgia, Bugwood.org Troy Evans, Great Smoky Mountains National Park, Bugwood.org Keith Kanoti, Maine Forest Service, Bugwood.org James H. Miller, USDA Forest Service, Bugwood.org Nancy Loewenstein, Auburn University, Bugwood.org Chris Evans, Illinois Wildlife Action Plan, Bugwood.org Gil Wojciech, Polish Forest Research Institute, Bugwood.org Robert Vidéki, Doronicum Kft., Bugwood.org End of Part 1 Most pictures were found at: http://www.forestryimages.org/ Franklin Bonner, USFS (ret.), Bugwood.org Karan A. Rawlins, University of Georgia, Bugwood.org John M. Randall, The Nature Conservancy, Bugwood.org William Fountain, University of Kentucky, Bugwood.org Rob Routledge, Sault College, Bugwood.org Chuck Bargeron, University of Georgia, Bugwood.org Amy Richard, University of Florida, Bugwood.org Pennsylvania Department of Conservation and Natural Resources - Forestry Archive, Bugwood.org Annemarie Smith, ODNR Division of Forestry, Bugwood.org Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Jil Swearingen, USDI National Park Service, Bugwood.org

21. Photo Credits: Paul Wray, Iowa State University, Bugwood.org Ted Bodner, Southern Weed Science Society, Bugwood.org Bill Cook, Michigan State University, Bugwood.org John D. Byrd, Mississippi State University, Bugwood.org Steve Manning, Invasive Plant Control, Bugwood.org Nancy Fraley, USDI National Park Service, Bugwood.org James Johnson, Georgia Forestry Commission, Bugwood.org Warner Park Nature Center, Metropolitan Board of Parks and Recreation, Nashville, TN David J. Moorhead, University of Georgia, Bugwood.org Ron Lance, Asheville, NC Richard Old, XID Services, Inc., Bugwood.org B. Eugene Wofford, University of Tennessee Herbarium Wofford and Chester, University of TN Herbarium Tom Heutte, USDA Forest Service, Bugwood.org Jenn Grieser, New York City Department of Environmental Protection, Bugwood.org Barbara Tokarska-Guzik, University of Silesia, Bugwood.org Dave Powell, USDA Forest Service, Bugwood.org Forest & Kim Starr, Starr Environmental, Bugwood.org Barry Rice, sarracenia.com, Bugwood.org David Nance, USDA Agricultural Research Service, Bugwood.org Karen Brown, University of Florida, Bugwood.org Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org The Nature Conservancy Archive, The Nature Conservancy, Bugwood.org