Troublesome Weeds of New Mexico Mark Renz and Frank Sholedice College of Agriculture and Home Economics Cooperative Extension Service Troublesome Weeds of New Mexico by Mark Renz and Frank Sholedice Las Cruces, New Mexico 2006 New Mexico State University College of Agriculture and Home Economics Cooperative Extension Service MSC 3AE P.O. Box 30003 Las Cruces, NM 88003-8003 © 2006 New Mexico State University Board of Regents All rights reserved. Printed in the United States of America. Table of Contents Preface.........................................................................................7 Listed by Flower Color Black.henbane./.Hyoscyamus niger ................................................ 8 Bull.thistle./.Cirsium vulgare......................................................... 0 Camelthorn./.Alhagi maurorum ................................................... Canada.thistle./.Cirsium arvense ................................................. 4 Crimson.fountaingrass./.Pennisetum setaceum ........................... 6 Diffuse.knapweed./.Centaurea diffusa ......................................... 8 Eurasian.watermilfoil./.Myriophyllum spicatum .......................... 0 Meadow.Knapweed./.Centaurea pratensis ................................... Musk.thistle./.Carduus nutans ...................................................... 4 Purple.loosestrife./.Lythrum salicaria ........................................... 6 Purple.starthistle./.Centaurea calcitrapa ...................................... 8 Russian.knapweed./.Acroptilon repens ......................................... 0 Saltcedar./.Tamarix.spp............................................................... Scotch.thistle./.Onopordum acanthium ........................................ 4 Spotted.knapweed./.Centaurea biebersteinii ................................ 6 Dalmatian.toadflax./.Linaria dalmatica ..................................... 38 Dyers woad / Isatis tinctoria .......................................................... 40 Leafy.spurge./.Euphorbia esula ..................................................... 42 Malta.starthistle./.Centaurea melitensis ....................................... 44 Russian.Olive./.Elaeagnus angustifolia......................................... 46 Sahara.mustard./.Brassica tournefortii ......................................... 48 Yellow.starthistle./.Centaurea solstitialis ...................................... 50 Yellow.toadflax./.Linaria vulgaris ................................................. 52 African.rue./.Peganum harmala ................................................... 54 Arundo./.Arundo donax ................................................................ 56 Cheatgrass./.Bromus tectorum ...................................................... 58 Giant.salvinia./.Salvinia molesta .................................................. 60 Halogeton./.Halogeton glomeratus ............................................... 62 Hoary.cress./.Cardaria spp.. ......................................................... 64 Hydrilla./.Hydrilla verticillata ....................................................... 66 Onionweed./.Asphodelus fistulosus............................................... 68 Oxeye.daisy./.Leucanthemum vulgare .......................................... 70 Parrotfeather./.Myriophyllum aquaticum ...................................... 72 Perennial.pepperweed./ Lepidium latifolium ............................... 74 Poison.hemlock./.Conium maculatum ......................................... 76 Quackgrass./.Elytrigia repens ........................................................ 78 Siberian.elm./.Ulmus pumila ........................................................ 80 Tree.of.heaven./.Ailanthus altissima ............................................ 82 References.................................................................................84 Glossary......................................................................................86 Preface......................................................................................... 7 Listed by scientific name Acroptilon repens./.Russian.knapweed......................................... 0 Ailanthus altissima./.Tree.of.heaven............................................82 Alhagi maurorum./.Camelthorn...................................................12 Arundo donax../.Arundo..............................................................56 Asphodelus fistulosus../.Onionweed.............................................68 Brassica tournefortii./.Sahara.mustard........................................48 Bromus tectorum./.Cheatgrass.....................................................58 Cardaria spp../.Hoary.cress.........................................................64 Carduus nutans../.Musk.thistle.................................................... 4 Centaurea biebersteinii./.Spotted.knapweed................................. 6 Centaurea calcitrapa /.Purple.starthistle...................................... 8 Centaurea diffusa./.Diffuse.knapweed......................................... 8 Centaurea melitensis./.Malta.starthistle.......................................44 Centaurea pratensis../.Meadow.knapweed.................................. Centaurea solstitialis../.Yellow.starthistle.....................................50 Cirsium arvense./.Canada.thistle................................................. 4 Cirsium vulgare./.Bull.thistle........................................................ 0 Conium maculatum./.Poison.hemlock.........................................76 Elaeagnus angustifolia./.Russian.olive.........................................46 Elytrigia repens./.Quackgrass.......................................................78 Euphorbia esula./.Leafy.spurge....................................................42 Halogeton glomeratus./.Halogeton..............................................62 Hydrilla verticillata../.Hydrilla......................................................66 Hyoscyamus niger../.Black.henbane.............................................. 8 Isatis tinctoria./.Dyers.woad........................................................40 Lepidium latifolium./.Perennial.pepperweed...............................74 Leucanthemum vulgare../.Oxeye.daisy.........................................70 Linaria dalmatica./.Dalmatian.toadflax.....................................38 Linaria vulgaris ./.Yellow.toadflax...............................................52 Lythrum salicaria./.Purple.loosestrife........................................... 6 Myriophyllum aquaticum./.Parrotfeather......................................72 Myriophyllum spicatum./.Eurasian.watermilfoil..........................0 Onopordum acanthium./.Scotch.thistle........................................ 4 Peganum harmala../.African.rue..................................................54 Pennisetum setaceum / Crimson.fountaingrass ........................... 6 Salvinia molesta./.Giant.salvinia.................................................60 Tamarix.spp../.Saltcedar.............................................................. Ulmus pumila ./.Siberian.elm......................................................80 References.................................................................................84 Glossary......................................................................................86 4 Preface......................................................................................... 7 Listed by common name African.rue./.Peganum harmala ................................................... 54 Arundo./.Arundo donax ................................................................ 56 Black.henbane./.Hyoscyamus niger ................................................ 8 Bull.thistle./.Cirsium vulgare......................................................... 0 Camelthorn./.Alhagi maurorum ................................................... Canada.thistle./.Cirsium arvense ................................................. 4 Cheatgrass./.Bromus tectorum ...................................................... 58 Crimson.fountaingrass./.Pennisetum setaceum ........................... 6 Dalmatian.toadflax./.Linaria dalmatica .....................................38 Diffuse.knapweed./.Centaurea diffusa ......................................... 8 Dyers.woad./.Isatis tinctoria ......................................................... 40 Eurasian.watermilfoil./.Myriophyllum spicatum .......................... 0 Giant.salvinia./.Salvinia molesta .................................................. 60 Halogeton./.Halogeton glomeratus ............................................... 62 Hoary.cress./.Cardaria spp.. ......................................................... 64 Hydrilla./.Hydrilla verticillata ....................................................... 66 Leafy.spurge./.Euphorbia esula ..................................................... 42 Malta.starthistle./.Centaurea melitensis .......................................44 Meadow.knapweed./.Centaurea pratensis ................................... Musk.thistle./.Carduus nutans ...................................................... 4 Onionweed./.Asphodelus fistulosus............................................... 68 Oxeye.daisy./.Leucanthemum vulgare .......................................... 70 Parrotfeather./.Myriophyllum aquaticum ...................................... 72 Perennial.pepperweed./.Lepidium latifolium ............................... 74 Poison.hemlock./.Conium