27 CAR pt. 132, Appendix A. Non-Native Invasive Plants

ARKANSAS DEPARTMENT OF TRANSPORTATION SIGNING POLICIES AND GUIDELINES 76 Appendix A NON-NATIVE INVASIVE PLANTS An invasive plant is a species that is non-native to the ecosystem under consideration, and whose introduction, whether accidental or intentional, causes or is likely to cause harm to the environment, economy or human health. ARDOT maintenance forces allocate large portions of their time and budget removing these plant species from the right-of-way. The following non- native invasive plants are not permitted: Scientific Name Common Name Acer ginnala Amur maple Acer platanoides Norway maple Ailanthus altissima tree-of-heaven Albizia julibrissin silktree, mimosa Alliaria petiolata garlic mustard Alnus glutinosa European black alder Alternanthera philoxeroides (& A. sessilis) alligator weed Ampelopsis brevipedunculata porcelainberry Arundo donax giant reed Baccharis halimifolia saltbush Berberis thunbergii Japanese barberry Bothriochloa bladhii Causcasian bluestem Bromus sterilis (& B. tectorum) cheatgrass Broussonetia papyrifera paper mulberry Buddleja davidii butterfly bush Carduus nutans nodding thistle Celastrus orbiculatus Oriental bittersweet Centaurea beibersteinii spotted knapweed Cortaderia selloana pampas grass Echinochloa crusgalli barnyard grass Eichornia crassipes water hyacinth Elaeagnus spp. autumn/thorny olive Eragrostis curvula weeping lovegrass Euonymus alatus burning bush Euonymus fortunei creeping euonymus Fallopia japonica Japanese knotweed Hedera helix English ivy Holcus lanatus velvet grass Hydrilla verticillata hydrilla Imperata cylindrica cogongrass Lespedeza bicolor shrubby lespedeza Lespedeza cuneata sericea lespedeza Ligustrum sinense (& L. lucidum & L. japonicum) Chinese/Japanese privet Lonicera japonica Japanese honeysuckle ARKANSAS DEPARTMENT OF TRANSPORTATION SIGNING POLICIES AND GUIDELINES 77 NON-NATIVE INVASIVE PLANTS continued Scientific Name Common Name Lonicera maackii(& L. fragrantissima & L. morrowii) bush honeysuckle Lygodium japonicum Japanese climbing fern Lythrum salicaria purple loosestrife Melia azedarach Chinaberry tree Melilotus alba (& M. officinalis) sweetclover Microstegium vimineum Japanese stiltgrass Miscanthus sinensis porcupine/zebra grass Murdannia keisak Asian spiderwort Myriophyllum spicatum Eurasian water milfoil Nandina domestica heavenly bamboo/nandina Paulownia tomentosa princess tree Phalaris arundinacea reed canary grass Photinia serrulata redtip photinia Phragmites australis giant reed Phyllostachys aurea bamboo Poncirus trifoliata trifoliate orange Populus alba white poplar Pueraria montana kudzu Pyrus calleryana callery pear