A guide to nonnative invasive plants inventoried in the north by ...

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Centaurea biebersteinii Spotted knapweed CEBI2 Form: Herbaceous plant 1½ -5 ft (0.5-1.5 m) tall. Leaves: Pinnatifid with narrow lobes (wormwood-like), sparsely pubescent. Flowers/fruit: Pink-purple flowers in thistle-like heads. Heads discoid but marginal flowers enlarged and with irregular corollas. Involucral bracts overlapping in several layers, upper margins darkly fringed, often pinkish. Fruits achenes
Elizabeth Czarapata Elizabeth Czarapata Centaurea biebersteinii Spotted knapweed Cindy Roche, Bugwood.org Kelly Kearns, Wisconsin DNR
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United States Department of Agricul
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A Guide to Nonnative Invasive Plant
Page 5 and 6:
Tree Species Contents Acer platanoi
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Acer platanoides Norway maple ACPL
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Paul Wray, Iowa State University, w
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Ailanthus altissima Tree-of-heaven
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Barbara Tokarska-Guzik, University
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Albizia julibrissin Silktree ALJU J
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James H. Miller, U.S. Forest Servic
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Elaeagnus angustifolia Russian oliv
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Page 23 and 24:
Melaleuca quinquenervia Punktree ME
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Amy Ferritar, South Florida Water M
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Melia azedarach Chinaberry MEAZ Jam
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Paulownia tomentosa Princesstree PA
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James Allison, Georgia Department o
Page 35 and 36:
Robinia pseudoacacia Black locust R
Page 37 and 38:
Elizabeth Czarapata Robinia pseudoa
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Tamarix ramosissima Saltcedar TARA
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Steve Dewey, Utah State University,
Page 43 and 44:
Triadica sebifera Tallow tree TRSE6
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Chris Evans, University of Georgia,
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Ulmus pumila Siberian elm ULPU Stev
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Patrick Breen, Oregon State Univers
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Berberis thunbergii Japanese barber
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Berberis thunbergii Japanese barber
Page 55 and 56:
Berberis vulgaris Common barberry B
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Leslie J. Mehrhoff, University of C
Page 59 and 60:
Elaeagnus umbellata Autumn olive EL
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Chris Evans, University of Georgia,
Page 63 and 64:
Frangula alnus Glossy buckthorn FRA
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© John M. Randall, The Nature Cons
Page 67 and 68:
Ligustrum vulgare European privet L
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Kelly Kearns, Wisconsin DNR Ligustr
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Lonicera x bella Showy fly honeysuc
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Lonicera x bella Showy fly honeysuc
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Lonicera maackii Amur honeysuckle L
Page 77 and 78: James H. Miller, U.S. Forest Servic
Page 79 and 80: Lonicera morrowii Morrow’s honeys
Page 81 and 82: © John M. Randall, The Nature Cons
Page 83 and 84: Lonicera tatarica Tatarian honeysuc
Page 85 and 86: Patrick Breen, Oregon State Univers
Page 87 and 88: Rhamnus cathartica Common buckthorn
Page 89 and 90: Elizabeth Czarapata Leslie J. Mehrh
Page 91 and 92: Rosa multiflora Multiflora rose ROM
Page 95 and 96: Spiraea japonica Japanese meadowswe
Page 99 and 100: Viburnum opulus European cranberryb
Page 101 and 102: Viburnum opulus European cranberryb
Page 103 and 104: Celastrus orbiculatus Asian bitters
Page 105 and 106: Celastrus orbiculatus Asian bitters
Page 107 and 108: Cynanchum louiseae (Syn.: Vincetoxi
Page 109 and 110: Kelly Kearns, Wisconsin DNR Cynanch
Page 111 and 112: Cynanchum rossicum (Syn.: Vincetoxi
Page 113 and 114: © John M. Randall, The Nature Cons
Page 115 and 116: Hedera helix English ivy HEHE David
Page 119 and 120: Lonicera japonica Japanese honeysuc
Page 121 and 122: Chuck Bargeron, University of Georg
Page 123 and 124: Alliaria petiolata Garlic mustard A
Page 125 and 126: Alliaria petiolata Garlic mustard E
Page 127: Centaurea biebersteinii Spotted kna
Page 131 and 132: Cirsium arvense Canada thistle CIAR
Page 133 and 134: Chris Evans, University of Georgia,
Page 135 and 136: Cirsium vulgare Bull thistle CIVU E
Page 137 and 138: Utah State University Archives, www
Page 139 and 140: Euphorbia esula Leafy spurge EUES W
Page 141 and 142: Elizabeth Czarapata Euphorbia esula
Page 143 and 144: Hesperis matronalis Dame’s rocket
Page 145 and 146: Kelly Kearns, Wisconsin DNR Kelly K
Page 147 and 148: Lysimachia nummularia Creeping jenn
Page 149 and 150: Lysimachia nummularia Creeping jenn
Page 151 and 152: Lythrum salicaria Purple loosestrif
Page 153 and 154: Steve Dewey, Utah State University,
Page 155 and 156: Polygonum cuspidatum Japanese knotw
Page 157 and 158: Elizabeth Czarapata Jil M. Swearing
Page 159 and 160: Polygonum sachalinense Giant knotwe
Page 161 and 162: Ben Legler, The Burke Museum of Nat
Page 163 and 164: Polygonum x bohemicum Bohemian knot
Page 165 and 166: Ben Legler, The Burke Museum of Nat
Page 167 and 168: Microstegium vimineum Nepalese brow
Page 169 and 170: Elizabeth Czarapata Elizabeth Czara
Page 171 and 172: Phalaris arundinacea Reed canary gr
Page 173 and 174: Elizabeth Czarapata Phalaris arundi
Page 175 and 176: Phragmites australis Common reed PH
Page 177 and 178: Phragmites australis Common reed Ph
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References Flora of North America E
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Appendix A Leaf and inflorescence m
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Cyme A Cyme is a group of flowers i
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Descriptive Flower Shapes Shape Nam
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Cruciform (Cross-shaped) A flower w
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Appendix C Key to the species Lonic
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Appendix E Key to the species Berbe
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Appendix G Key to the species Elaea
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Discoid - In the Asteraceae, with a
Page 197:
Olson Cassandra; Cholewa, Anita F.
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