[1] Contribution No. 692, Department of Agronomy, Kansas
Agricultural Experiment Station, Manhattan.
[2] Professor Emeritus and Agronomist, Kansas Agricultural
Experiment Station: and Instructor in Range and
Pasture Management.
[3] Kelsey, H. P. and W. A. Dayton. 1942. Standardized
Plant Names. J. Horace McFarland Co., Harrisburg, Pa.
[4] Hitchcock, A. S. 1951. Manual of Grasses of the U.S.
USDA Misc. Publication 200 (Revised).
[5] Fernald, M. L. 1950. Gray’s Manual of Botany, 8th ed.
American Book Co., New York.
[6] Gleason, H. A. 1952. The New Britton and Brown
Illustrated Flora. New York Botanical Garden (3
volumes).
[7] Harrington, H. D. 1954. Manual of the Plants of
Colorado. Sage Books, Denver.
[8] Ibid.
=INDEX TO COMMON NAMES=
Genera only are listed in this index except where the common species
name differs from the common name of its genus and does not include the
latter. Scientific names are also shown.
=Common Name Scientific Name Page=
Acacia _Acacia_ 30
Adderstongue _Ophioglossum_ 28
Agoseris, wavyleaf _Microseris cuspidata_ 47
Agrimony _Agrimonia_ 35
Alfalfa _Medicago_ 32
Alkaligrass _Puccinellia_ 25
Alumroot _Heuchera_ 44
Alyceclover _Alysicarpus_ 30
Amaranth _Amaranthus_ 35
Ammannia _Ammannia_ 35
Amorpha _Amorpha_ 30, 55
Amsonia _Amsonia_ 35
Anemone _Anemone_ 35
Antelopehorn _Asclepiodora_ 37
Apple _Pyrus_ 57
Arrowhead _Sagittaria_ 30
Ash _Fraxinus_ 57
Asparagus _Asparagus_ 29
Aster _Aster_ 37
Avens _Geum_ 43
Baccharis _Baccharis_ 56
Bagpod _Glottidium_ 31
Bahia _Bahia_ 37
Bahiagrass _Paspalum notatum_ 24
Barberry _Berberis_ 56
Barley _Hordeum_ 22
Barnyardgrass _Echinochloa crusgalli_ 21
Basketflower _Centaurea americana_ 38
Basswood _Tilia_ 59
Beachgrass _Ammophila_ 18
Beakgrain _Diarrhena_ 20
Bean _Phaseolus_ 33
Bedstraw _Galium_ 43
Beebalm _Monarda_ 48
Beet _Beta_ 37
Beggarticks _Bidens_ 37
Bellflower _Campanula_ 38
Bentgrass _Agrostis_ 18
Bergia _Bergia_ 37
Berlandiera _Berlandiera_ 37
Bermudagrass _Cynodon_ 20
Berseem _Trifolium alexandrinum_ 34
Berula _Berula_ 37
Betony _Stachys_ 53
Bindweed _Convolvulus_ 40
Birch _Betula_ 56
Birdwoodgrass _Cenchrus setigerus_ 20
Bittercress _Cardamine_ 38
Bittersweet _Celastrus_ 56
Bitterweed _Hymenoxys odorata_ 45
Blackberry _Rubus_ 58
Blackberrylily _Belamcanda_ 29
Blackeyedsusan _Rudbeckia hirta_ 51
Blackfoot _Melampodium_ 47
Bladderfern _Cystopteris_ 28
Bladdernut _Staphylea_ 59
Bladderpod _Lesquerella_ 46
Bladderwort _Utricularia_ 54
Bloodroot _Sanguinaria_ 52
Blowoutgrass _Redfieldia_ 25
Blue-eyedgrass _Sisyrinchium_ 30
Bluegrass _Poa_ 24
Bluehearts _Buchnera_ 38
Bluestem _Andropogon_; _Bothriochloa_ 18
Bluets _Houstonia_ 44
Blueweed _Echium vulgare_ 41
Boltonia _Boltonia_ 38
Boneset _Eupatorium perfoliatum_ 42
Bottlebrushgrass _Hystrix_ 22
Bouncingbet _Saponaria officinalis_ 52
Boxelder _Acer negundo_ 55
Bracken _Pteridium_ 28
Brickellia _Brickellia_ 38
Bristlegrass _Setaria_ 25
Broadbean _Vicia faba_ 34
Brome _Bromus_ 19
Broom _Cytisus_ 31, 56
Broomcorn _Sorghum bicolor_ var. _technicum_ 25
Broomrape _Orobanche_ 49
Broomsedge _Andropogon virginicus_ 18
Broomweed _Gutierrezia dracunculoides_ 43
Browneyedsusan _Rudbeckia triloba_ 51
Browntopmillet _Panicum ramosum_ 23
Buckbrush _Symphoricarpos orbiculatus_ 59
Buckeye _Aesculus_ 55
Buckhorn _Plantago lanceolata_ 50
Buckthorn _Rhamnus_ 58
Buckwheat _Fagopyrum_ 42
Buffalogourd _Cucurbita foetidissima_ 40
Buffalograss _Buchloë_ 20
Buffelgrass _Pennisetum ciliare_ 24
Bugleweed _Lycopus_ 47
Bugseed _Corispermum nitidum_ 40
Bulbostylis _Bulbostylis_ 27
Bulrush _Scirpus_ 28
Bumelia _Bumelia_ 56
Bunchflower _Melanthium_ 29
Bundleflower _Desmanthus_ 31
Burclover _Medicago_ 32
Burcucumber _Sicyos_ 52
Burdock _Arctium_ 36
Burgrass _Tragus_ 26
Burhead _Echinodorus_ 29
Burnweed _Erechtites_ 41
Burragweed _Franseria tomentosa_ 42
Burreed _Sparganium_ 30
Burrograss _Scleropogon_ 25
Bursage _Franseria_ 42
Buttercup _Ranunculus_ 51
Butternut _Juglans cinerea_ 57
Buttonbush _Cephalanthus_ 56
Buttonweed _Diodia_ 41
Cabbage _Brassica oleracea_ 38
Calceolaria _Hybanthus_ 45
Caltrop _Kallstroemia_ 45
Camas _Camassia_ 29
Camomile _Anthemis_ 36
Camphorweed _Heterotheca_ 44
Canarygrass _Phalaris_ 24
Cane _Arundinaria_ 19
Cardinalflower _Lobelia cardinalis_ 47
Cardinalflower, western _Lobelia splendens_ 47
Carpetgrass _Axonopus_ 19
Carpetweed _Mollugo_ 48
Carrot _Daucus_ 41
Castorbean _Ricinus_ 51
Catalpa _Catalpa_ 56
Catchfly, sleepy _Silene antirrhina_ 52
Catchflygrass _Leersia lenticularis_ 22
Catnip _Nepeta cataria_ 48
Cattail _Typha_ 30
Ceanothus _Ceanothus_ 56
Centaurea _Centaurea_ 38
Centipedegrass _Eremochloa_ 21
Cerastium _Cerastium_ 38
Charlock _Brassica kaber_ 38
Cheat _Bromus secalinus_ 20
Cherry _Prunus_ 57
Chervil _Chaerophyllum_ 38
Chickencorn _Sorghum bicolor_ var. _drummondii_ 25
Chickpea _Cicer_ 31
Chickweed _Stellaria media_ 54
Chicory _Cichorium_ 39
Chineselantern _Physalis lobata_ 50
Chloris _Chloris_ 20
Chokecherry _Prunus virginiana_ 57
Cholla _Opuntia_ 48
Christmasfern _Polystichum acrostichoides_ 29
Cinquefoil _Potentilla_ 51
Circaea _Circaea_ 39
Clammyweed _Polanisia_ 50
Clearweed _Pilea_ 50
Clematis _Clematis_ 39
Cleomella _Cleomella_ 39
Cliffbrake _Pellaea_ 28
Climbing-buckwheat _Polygonum convolvulus_ 50
Climbingmilkweed _Ampelamus albidus_ 35
Cloakfern _Notholaena_ 28
Clover _Trifolium_ 34
Cockle, white _Lychnis alba_ 47
Cocklebur _Xanthium_ 55
Cockspur _Echinochloa_ 21
Coffeetree _Gymnocladus_ 32, 57
Cogongrass _Imperata_ 22
Collinsia _Collinsia_ 39
Columbine _Aquilegia_ 36
Comandra _Comandra_ 39
Compassplant _Silphium laciniatum_ 53
Coneflower _Dracopis_; _Rudbeckia_ 41, 51
Conyza _Conyza_ 40
Copperleaf _Acalypha_ 35
Cordgrass _Spartina_ 25
Coreopsis _Coreopsis_ 40
Corkwing, mountain _Cymopterus montanus_ 40
Corn _Zea_ 26
Corncockle _Agrostemma_ 35
Cornflower _Centaurea cyanus_ 38
Cornsalad _Valerianella_ 54
Corydalis _Corydalis_ 40
Cotton _Gossypium_ 44
Cottontop _Trichachne_ 26
Cottonwood _Populus_ 57
Cowlily _Nuphar_ 48
Cowpea _Vigna_ 35
Crabapple _Pyrus_ 57
Crabgrass _Digitaria_ 20
Crazyweed _Oxytropis_ 33
Creeper _Parthenocissus_ 57
Cress, hoary _Cardaria draba_ 38
Cristatella _Cristatella_ 40
Crotalaria _Crotalaria_ 31
Croton _Croton_ 40
Crotonopsis _Crotonopsis_ 40
Crowfoot _Ranunculus_ 51
Crownbeard _Verbesina_ 55
Crownvetch _Coronilla_ 31
Cryptantha _Cryptantha_ 40
Cudweed _Gnaphalium_ 43
Culversphysic _Veronicastrum virginicum_ 55
Cupgrass _Eriochloa_ 21
Cuphea _Cuphea_ 40
Curlymesquite _Hilaria belangeri_ 22
Currant _Ribes_ 58
Cutgrass _Leersia_ 22
Cyclanthera _Cyclanthera_ 40
Cymopterus _Cymopterus_ 40
Dalea _Dalea_ 31
Dallisgrass _Paspalum dilatatum_ 24
Dandelion _Taraxacum_ 54
Danthonia _Danthonia_ 20
Darnel _Lolium temulentum_ 22
Datura _Datura_ 41
Dayflower _Commelina_ 29
Deathcamas _Zygadenus_ 30
Deervetch _Lotus_ 32
Devilsclaw _Proboscidea_ 51
Dewberry _Rubus_ 58
Dianthera _Justicia_ 45
Diaperia _Diaperia_ 41
Dicliptera _Dicliptera_ 41
Ditaxis _Ditaxis_ 41
Dock _Rumex_ 51
Dodder _Cuscuta_ 40
Dogbane _Apocynum_ 36
Dogtail _Cynosurus_ 20
Dogweed _Dyssodia_ 41
Dogwood _Cornus_ 56
Draba _Draba_ 41
Dropseed _Sporobolus_ 25
Ducksmeat _Spirodela_ 30
Duckweed _Lemna_ 29
Dutchmans-breeches _Dicentra cucullaria_ 41
Dutchmanspipe _Aristolochia_ 36
Dwarfdandelion _Krigia_ 45
Echinacea _Echinacea_ 41
Echinocereus _Echinocereus_ 41
Einkorn _Triticum monococcum_ 26
Elderberry _Sambucus_ 59
Elephantsfoot _Elephantopus_ 41
Ellisia _Ellisia_ 41
Elm _Ulmus_ 59
Elodea _Elodea_ 29
Emmer _Triticum dicoccum_ 26
Engelmanndaisy _Engelmannia_ 41
Eriogonum _Eriogonum_ 42
Eryngo _Eryngium_ 42
Erysimum _Erysimum_ 42
Eulophus _Perideridia_ 49
Euonymus _Euonymus_ 56
Eupatorium _Eupatorium_ 42
Euphorbia _Euphorbia_ 42
Eveningprimrose _Oënothera_ 48
Evolvulus _Evolvulus_ 42
False-alyssum _Berteroa_ 37
Falseboneset _Kuhnia eupatorioides_ 45
Falsebuffalograss _Munroa_ 23
Falsedandelion _Pyrrhopappus_ 51
Falseflax _Camelina_ 38
Falsegarlic _Nothoscordum_ 29
Falsegrape _Ampelopsis_ 55
Falsenettle _Boehmeria_ 38
Falsenightshade _Chamaesaracha_ 39
Falsepennyroyal _Hedeoma_ 44
Falsepimpernel _Lindernia_ 46
Fameflower _Talinum_ 54
Fawnlily _Erythronium_ 29
Feathergrass, New Mexico _Stipa neomexicana_ 26
Feathertop _Pennisetum villosum_ 24
Fenugreek _Trigonella foenum-graecum_ 34
Fescue _Festuca_ 21
Figwort _Scrophularia_ 52
Filaree _Erodium cicutarium_ 42
Filbert _Corylus_ 56
Fimbristylis _Fimbristylis_ 27
Fingergrass _Digitaria_ 20
Fireweed _Epilobium angustifolium_ 41
Flatsedge _Cyperus_ 27
Flaveria _Flaveria_ 42
Flax _Linum_ 46
Fleabane _Erigeron_ 41
Flowerofanhour _Hibiscus trionum_ 44
Fluffgrass _Tridens pulchellus_ 26
Fluxweed _Isanthus_ 45
Fogfruit, wedgeleaf _Lippia lanceolata_ 46
Forgetmenot _Myosotis_ 48
Fountaingrass _Pennisetum ruppelii_ 24
Four-o’clock _Mirabilis_ 48
Foxtail _Alopecurus_ 18
Fringeorchid _Habenaria_ 29
Fuirena _Fuirena_ 27
Funnellily _Androstephium_ 29
Gaillardia _Gaillardia_ 43
Galleta _Hilaria jamesii_ 22
Galleta, big _Hilaria rigida_ 22
Gamagrass _Tripsacum_ 26
Garlic _Allium_ 29
Garlicmustard _Alliaria_ 35
Gaura _Gaura_ 43
Gayfeather _Liatris_ 46
Gentian _Gentiana_ 43
Geranium _Geranium_ 43
Gerardia _Gerardia_ 43
Germander _Teucrium_ 54
Ghostpipe _Orobanche uniflora_ 49
Gianthyssop _Agastache_ 35
Giantreed _Arundo_ 19
Gilia _Gilia_ 43
Ginkgo _Ginkgo_ 57
Globemallow _Sphaeralcea_ 53
Goatgrass _Aegilops_ 18
Goldaster _Chrysopsis_ 39
Goldenrod _Solidago_ 53
Goldenweed _Haplopappus_ 44
Goldstargrass _Hypoxis hirsuta_ 29
Gooseberry _Ribes_ 58
Goosefoot _Chenopodium_ 39
Goosegrass _Eleusine_ 21
Grama _Bouteloua_ 19
Grape _Vitis_ 59
Greasewood _Sarcobatus_ 59
Greenbriar _Smilax_ 30
Greenthread _Thelesperma_ 54
Gromwell _Lithospermum_ 46
Groundcherry _Physalis_ 49
Groundivy _Glechoma hederacea_ 43
Groundsel _Senecio_ 52
Guineagrass _Panicum maximum_ 23
Gumweed _Grindelia_ 43
Hackberry _Celtis_ 56
Hairgrass _Aira; Deschampsia_ 18,20
Hairsedge bulbstyle _Bulbostylis cappillaris_ 27
Hardinggrass _Phalaris tuberosa_ var. _stenoptera_ 24
Haresear _Conringia_ 40
Hawkweed _Hieracium_ 44
Hawthorn _Crataegus_ 56
Hazel _Corylus_ 56
Hedgehyssop _Gratiola_ 43
Hedgemustard _Sisymbrium officinale_ 53
Heliopsis _Heliopsis_ 44
Heliotrope _Heliotropium_ 44
Hemicarpha _Hemicarpha_ 28
Hemp _Cannabis_ 38
Henbit _Lamium amplexicaule_ 46
Hibiscus _Hibiscus_ 44
Hickory _Carya_ 56
Hilaria _Hilaria_ 22
Hoarhound _Marrubium_ 47
Hogpeanut _Amphicarpa_ 30
Holly _Ilex_ 57
Hollyfern _Polystichum_ 28
Honeylocust _Gleditsia_ 31, 57
Honeysuckle _Lonicera_ 47, 57
Hop _Humulus_ 45
Hophornbeam _Ostrya_ 57
Hoptree _Ptelea_ 57
Hornwort _Ceratophyllum_ 38
Horsebean _Vicia faba_ var. _equina_ 34
Horsegentian _Triosteum_ 54
Horsenettle _Solanum carolinense_ 53
Horseradish _Armoracia lapathifolia_ 36
Horsetail _Equisetum_ 28
Horseweed _Conyza canadensis_ 40
Houndstongue _Cynoglossum_ 40
Hyacinthbean _Dolichos_ 31
Hymenopappus _Hymenopappus_ 45
Hymenoxys _Hymenoxys_ 45
Hyparrhenia _Hyparrhenia_ 22
Indiangrass _Sorghastrum_ 25
Indianplantain _Cacalia_ 38
Indigo _Indigofera_ 32
Iris _Iris_ 29
Ironplant _Haplopappus spinulosus_ 44
Ironweed _Vernonia_ 55
Isopyrum _Isopyrum_ 45
Jackinthepulpit _Arisaema_ 29
Japanesemillet _Echinochloa crusgalli_
var. _frumentacea_ 21
Jaragua _Hyparrhenia rufa_ 22
Jerusalemartichoke _Helianthus tuberosus_ 44
Jimsonweed _Datura stramonium_ 41
Jobstears _Coix_ 20
Joepyeweed _Eupatorium_ 42
Johnnyjumpup _Viola kitaibeliana_
var. _rafinesquii_ 55
Johnsongrass _Sorghum halepense_ 25
Jointtail _Manisuris_ 22
Junegrass _Koeleria_ 22
Juniper _Juniperus_ 57
Kale _Brassica oleracea_ var. _acephala_ 38
Kidneyvetch _Anthyllis_ 30
Kikuyugrass _Pennisetum clandestinum_ 24
Knapweed, Russian _Centaurea repens_ 38
Knotgrass _Paspalum distichum_ 24
Knotweed _Polygonum_ 50
Kochia _Kochia_ 45
Krameria _Krameria_ 45
Kudzu _Pueraria_ 33
Kuhnia _Kuhnia_ 45
Lacegrass _Eragrostis capillaris_ 21
Ladiestresses _Spiranthes_ 30
Ladyslipper _Cypripedium_ 29
Lambsquarters _Chenopodium album_ 39
Larkspur _Delphinium_ 41
Lawngrass, Japanese _Zoysia japonica_ 26
Leadplant _Amorpha canescens_ 30, 55
Lentil _Lens_ 32
Lespedeza _Lespedeza_ 32, 57
Lettuce _Lactuca_ 46
Licorice _Glycyrrhiza_ 32
Lilac _Syringa_ 59
Lily _Lilium_ 29
Linden _Tilia_ 59
Lionsheart _Physostegia_ 50
Lipfern _Cheilanthes_ 28
Lippia _Lippia_ 46
Lobelia _Lobelia_ 47
Loco _Astragalus_ 30
Locust _Robinia_ 34, 58
Lomatium _Lomatium_ 47
Longtom _Paspalum lividum_ 24
Loosestrife _Lysimachia_ 47
Lophotocarpus _Lophotocarpus_ 29
Lopseed _Phryma_ 49
Lotus _Nelumbo_ 48
Lovegrass _Eragrostis_ 21
Lupine _Lupinus_ 32
Lythrum _Lythrum_ 47
Macuillamia _Bacopa_ 37
Maidenhairfern _Adiantum_ 28
Malacothrix _Malacothrix_ 47
Mallow _Malva_ 47
Mamillaria _Mamillaria_ 47
Manillagrass _Zoysia matrella_ 26
Mannagrass _Glyceria_ 22
Maple _Acer_ 55
Marbleseed _Onosmodium_ 48
Marshfern _Dryopteris thelypteris_ 28
Mascarenegrass _Zoysia tenuifolia_ 26
Matgrass _Nardus_ 23
Matrimonyvine _Lycium halimifolium_ 57
Mayapple _Podophyllum_ 50
Meadowrue _Thalictrum_ 54
Medic _Medicago_ 32
Melic _Melica_ 22
Mentzelia _Mentzelia_ 47
Mesquite _Prosopis_ 33, 57
Milkvetch _Astragalus_ 30
Milkweed _Asclepias_ 36
Millet _Panicum_; _Setaria_ 25
Mint _Mentha_ 47
Mitchellgrass _Astrebla_ 19
Mockbishopweed _Ptilimnium_ 51
Mockcucumber _Echinocystis_ 41
Molassesgrass _Melinis_ 22
Moneywort _Lysimachia nummularia_ 47
Monkeyflower _Mimulus_ 47
Monolepis _Monolepis_ 48
Moonseed _Menispermum_ 47
Morningglory _Ipomoea_ 45
Motherwort _Leonurus_ 46
Mountainash _Sorbus_ 59
Mountainmint _Pycnanthemum_ 51
Mousetail _Myosurus_ 48
Mudplantain _Heteranthera_ 29
Muhly _Muhlenbergia_ 22
Mulberry _Morus_ 57
Mullein _Verbascum_ 54
Muskthistle _Carduus nutans_ 38
Mustard _Brassica_ 38
Naiad _Najas_ 29
Nailwort _Paronychia_ 49
Napiergrass _Pennisetum purpureum_ 24
Nasturtium _Nasturtium_ 48
Natalgrass _Rhynchelytrum roseum_ 25
Needleandthread _Stipa comata_ 26
Needlegrass _Stipa_ 26
Nemastylis _Nemastylis_ 29
Nepeta _Nepeta_ 48
Nettle _Urtica_ 54
Nightshade _Solanum_ 53
Nimblewill _Muhlenbergia schreberi_ 23
Nitgrass _Gastridium_ 22
Noseburn _Tragia_ 54
Nutgrass _Cyperus_ 27
Oak _Quercus_ 58
Oakleech _Dasistoma_ 41
Oat _Avena_ 19
Oatgrass _Arrhenatherum_ 19
Okra _Hibiscus esculentus_ 44
Onion _Allium_ 29
Oniongrass _Melica_ 22
Orach, tumbling _Atriplex rosea_ 37
Orchardgrass _Dactylis_ 20
Orcuttia _Orcuttia_ 23
Oregongrape _Mahonia aquifolium_ 57
Osageorange _Maclura_ 57
Othake _Palafoxia_ 49
Oxalis _Oxalis_ 49
Oxeyedaisy _Chrysanthemum leucanthemum_ 39
Paintbrush _Castilleja_ 38
Paleseed _Conobea_ 40
Pampasgrass _Cortaderia_ 20
Pangolagrass _Digitaria decumbens_ 20
Panicum _Panicum_ 23
Paperflower _Psilostrophe_ 51
Pappusgrass _Pappophorum_ 24
Paragrass _Panicum purpurascens_ 23
Parrotfeather _Myriophyllum_ 48
Parsnip _Pastinaca_ 49
Parthenium _Parthenium_ 49
Partridgepea _Cassia_ 31
Paspalum _Paspalum_ 24
Pawpaw _Asimina_ 55
Pea _Pisum_ 33
Peanut _Arachis_ 30
Pear _Pyrus communis_ 57
Pearlmillet _Pennisetum glaucum_ 24
Pearlwort _Sagina_ 52
Peashrub _Caragana_ 31, 56
Peavine _Lathyrus_ 32
Pecan _Carya illinoensis_ 56
Pectis _Pectis_ 49
Pedicularis _Pedicularis_ 49
Pellitory _Parietaria_ 49
Pencilflower _Stylosanthes_ 34
Pennisetum _Pennisetum_ 24
Pennycress _Thlaspi_ 54
Penstemon _Penstemon_ 49
Penthorum _Penthorum_ 49
Peppergrass _Lenidium densiflorum_ 46
Pepperweed _Lepidium_ 46
Pepperwort _Marsilea_ 28
Perilla _Perilla_ 49
Persimmon _Diospyros_ 56
Phacelia _Phacelia_ 49
Phlox _Phlox_ 49
Pigeonpea _Cajanus_ 31
Pigweed _Amaranthus_ 35
Pimpernel _Anagallis_ 35
Pinedropseed _Blepharoneuron_ 19
Pinegrass _Calamagrostis rubescens_ 20
Pinweed _Lechea_ 46
Plantain _Plantago_ 50
Plum _Prunus_ 57
Plumegrass _Erianthus_ 21
Poisonhemlock _Conium maculatum_ 40
Poisonivy _Rhus radicans_ 58
Poisonvetch _Astragalus_ 30
Pokeberry _Phytolacca_ 50
Polemonium _Polemonium_ 50
Polygala _Polygala_ 50
Polypogon _Polypogon_ 25
Polytaenia _Polytaenia_ 50
Pondweed _Potamogeton_ 29
Poolmat _Zannichellia_ 30
Poplar _Populus_ 57
Poppymallow _Callirhoë_ 38
Porcupinegrass _Stipa spartea_ 26
Portulaca _Portulaca_ 50
Potato _Solanum tuberosum_ 53
Potatobean _Apios_ 30
Prairieclover _Petalostemum_ 33
Prairieconeflower _Ratibida_ 51
Prairiegentian _Eustoma_ 42
Pricklyash _Xanthoxylum_ 59
Pricklypear _Opuntia_ 48
Pricklypoppy _Argemone_ 36
Princesplume _Stanleya_ 53
Proso _Panicum miliaceum_ 23
Puncturevine _Tribulus_ 54
Purplerocket _Iodanthus_ 45
Purpletop _Tridens flavus_ 26
Purslane _Portulaca_ 50
Pussytoes _Antennaria_ 35
Quackgrass _Agropyron repens_ 18
Quakinggrass _Briza_ 19
Quickweed _Galinsoga_ 43
Quillwort _Isoëtes_ 28
Rabbitbrush _Chrysothamnus_ 56
Radish _Raphanus_ 51
Ragweed _Ambrosia_ 35
Rainlily _Cooperia_ 29
Rape _Brassica rapa_ 38
Raspberry _Rubus_ 58
Rattlesnakefern _Botrychium_ 28
Rattlesnakeroot _Prenanthes_ 51
Ravennagrass _Erianthus ravennae_ 21
Razorsedge _Scleria_ 28
Redbud _Cercis_ 31, 56
Redcedar _Juniperus virginiana_ 57
Redtop _Agrostis alba_ 18
Reed _Phragmites_ 24
Reedgrass _Calamagrostis_ 20
Rhodesgrass _Chloris gayana_ 20
Rhubarb _Rheum_ 51
Rice _Oryza_ 23
Ricegrass _Oryzopsis_ 23
Ricegrass, Mandan X _Striporyzopsis caduca_ 26
Ringwing _Cycloloma_ 40
Rockcress _Arabis_ 36
Rocket _Hesperis_ 44
Rocketsalad _Eruca_ 42
Rockjasmine _Androsace_ 35
Rose _Rosa_ 58
Rosegentian _Sabatia_ 52
Rosemallow _Hibiscus_ 44
Rosinweed _Silphium_ 53
Rotala _Rotala_ 51
Ruellia _Ruellia_ 51
Rush _Juncus_ 28
Rushpea _Hoffmanseggia_ 32
Russianolive _Elaeagnus_ 56
Russianthistle _Salsola_ 52
Rutabaga _Brassica rapa_ 38
Rye _Secale_ 25
Ryegrass _Lolium_ 22
Sacaton _Sporobolus_ 25, 26
Safflower _Carthamus_ 38
Sage _Salvia_ 52
Sagebrush _Artemisia_ 36, 55
Sagewort _Artemisia_ 36
Sainfoin _Onobrychis_ 33
Salsify _Tragopogon_ 54
Saltbush _Atriplex_ 37, 55
Saltgrass _Distichlis_ 21
Samolus _Samolus_ 52
Sandbur _Cenchrus_ 20
Sandgrass _Triplasis_ 26
Sandreed _Calamovilfa_ 20
Sandverbena _Abronia_ 35
Sandwort _Arenaria_ 36
Sanicle _Sanicula_ 52
Sassafras _Sassafras_ 59
Scouringrush _Equisetum_ 28
Scurfpea _Psoralea_ 33
Seablite _Suaeda_ 54
Sedge _Carex_ 27
Seedbox _Ludwigia_ 47
Seepweed _Suaeda_ 54
Selenia _Selenia_ 52
Selfheal _Prunella_ 51
Senna _Cassia_ 31
Sensitivebriar _Schrankia_ 34
Sensitivefern _Onoclea_ 28
Serradella _Ornithopus_ 33
Serviceberry _Amelanchier_ 55
Sesame _Sesamum_ 52
Sesbania _Sesbania_ 34
Shepherdspurse _Capsella_ 38
Shootingstar _Dodecatheon_ 41
Sicklepod _Arabis canadensis_ 36
Sida _Sida_ 52
Silene _Silene_ 52
Silvergrass _Miscanthus_ 22
Sisymbrium _Sisymbrium_ 53
Skeletongrass _Gymnopogon_ 22
Skeletonplant _Lygodesmia_ 47
Skullcap _Scutellaria_ 52
Sleepygrass _Stipa robusta_ 26
Sloughgrass _Beckmannia_ 19
Smartweed _Polygonum_ 50
Smilograss _Oryzopsis miliacea_ 23
Smutgrass, rattail _Sporobolus poiretii_ 26
Snailseed _Cocculus_ 39
Snakecotton _Froelichia_ 43
Snakeroot, white _Eupatorium rugosum_ 42
Snakeweed _Gutierrezia_ 43, 57
Snapweed _Impatiens_ 45
Sneezeweed _Helenium_ 44
Snowberry _Symphoricarpos_ 59
Snow-on-the-mountain _Euphorbia marginata_ 42
Soapberry _Sapindus_ 59
Soapweed _Yucca_ 30, 59
Soapwort _Saponaria_ 52
Solomonplume _Smilacina_ 30
Solomonseal _Polygonatum_ 29
Sophora _Sophora_ 34
Sorghum _Sorghum_ 25
Sorrel _Rumex_ 51
Sowthistle _Sonohus_ 53
Soybean _Glycine_ 31
Spanishneedles _Bidens bipinnata_ 37
Speedwell _Veronica_ 55
Spermolepis _Spermolepis_ 53
Spiderflower _Cleome_ 39
Spiderwort _Tradescantia_ 30
Spikesedge _Eleocharis_ 27
Spleenwort _Aspleninum_ 28
Sprangletop _Leptochloa_ 22
Springbeauty _Claytonia_ 39
Spurge _Euphorbia_ 42
Squirreltail _Sitanion_ 25
St. augustinegrass _Stenotaphrum_ 26
St. johnswort _Hypericum_ 45
Stargrass _Cynodon plectostachyum_ 20
Stenosiphon _Stenosiphon_ 54
Stickseed _Hackelia_; _Lappula_ 44, 46
Stillingia _Stillingia_ 54
Stinkgrass _Eragrostis cilianensis_ 21
Stonecrop _Sedum_ 52
Strawberry _Fragaria_ 42
Sudangrass _Sorghum bicolor_ var. _sudanense_ 25
Sugarcane _Saccharum_ 25
Sulla _Hedysarum_ 32
Sumac _Rhus_ 58
Sumpweed _Iva_ 45
Sunflower _Helianthus_ 44
Sunrose _Helianthemum_ 44
Sweetclover _Melilotus_ 33
Sweetflag _Acorus_ 29
Sweetpea _Lathyrus odoratus_ 32
Sweetpotato _Ipomoea batatas_ 45
Sweetroot _Osmorhiza_ 49
Switchgrass _Panicum virgatum_ 24
Sycamore _Platanus_ 57
Taenidia _Taenidia_ 54
Tamarisk _Tamarix_ 59
Tangierpea _Lathyrus tingitanus_ 32
Tanglehead _Heteropogon_ 22
Tansy _Tanacetum_ 54
Tansymustard _Descurainia_ 41
Teff _Eragrostis tef_ 21
Teosinte _Euchlaena_ 21
Tephrosia _Tephrosia_ 34
Thaspium _Thaspium_ 54
Thatchgrass _Hyparrhenia hirta_ 22
Themeda _Themeda_ 26
Thermopsis _Thermopsis_ 34
Thimbleberry, fragrant _Rubus odoratus_ 58
Thistle _Cirsium_ 39
Threeawn _Aristida_ 19
Tickclover _Desmodium_ 31
Tickseed _Corispermum_ 40
Tidestromia _Tidestromia_ 54
Timothy _Phleum_ 24
Toadflax _Linaria_ 46
Tobacco _Nicotiana_ 48
Tobosa _Hilaria mutica_ 22
Tomato _Lycopersicum_ 47
Toothwort _Dentaria_ 41
Torpedograss _Panicum repens_ 23
Tovara _Tovara_ 54
Townsendia _Townsendia_ 54
Treeofheaven _Ailanthus_ 55
Trefoil _Lotus_ 32
Trichloris _Trichloris_ 26
Tridens _Tridens_ 26
Trigonella _Trigonella_ 34
Trisetum _Trisetum_ 26
Trumpetcreeper _Campsis_ 56
Tumblegrass _Schedonnardus_ 25
Tumblemustard _Sisymbrium altissimum_ 53
Tumbleweed _Amaranthus graecizans_ 35
Turnip _Brassica napus_ 38
Uniola _Uniola_ 26
Vaseygrass _Paspalum urvillei_ 24
Velvetbean _Stizolobium_ 34
Velvetgrass _Holcus_ 22
Velvetleaf _Abutilon theophrasti_ 35
Venuslookingglass _Specularia_ 53
Verbena _Verbena_ 54
Vernalgrass _Anthoxanthum_ 18
Vetch _Vicia_ 34
Viburnum _Viburnum_ 59
Vinemesquite _Panicum obtusum_ 23
Violet _Viola_ 55
Virginsbower _Clematis virginiana_ 39
Wahoo, eastern _Euonymus atropurpureus_ 56
Walkingfern _Camptosorus_ 28
Walnut _Juglans_ 57
Watercress _Rorippa_ 51
Waterhemlock _Cicuta_ 39
Waterhemp _Acnida_ 35
Waterhyssop, disk _Bacopa rotundifolia_ 37
Waterleaf _Hydrophyllum_ 45
Waterlily _Nymphaea_ 48
Waterplantain _Alisma_ 29
Waterprimrose _Jussiaea_ 45
Waterstarwort _Callitriche_ 38
Wedgescale _Sphenopholis_ 25
Westerndaisy _Astranthium_ 37
Wheat _Triticum_ 26
Wheatgrass _Agropyron_ 18
Whitegrass _Leersia virginica_ 22
Widgeongrass _Ruppia_ 30
Wildbean _Strophostyles_ 34
Wildginger _Asarum_ 36
Wildindigo _Baptisia_ 31
Wildrice _Zizania_; _Zizaniopsis_ 26
Wildrye _Elymus_ 21
Willow _Salix_ 58
Willowweed _Epilobium_ 41
Windmillgrass _Chloris verticillata_ 20
Wingstem _Verbesina alternifolia_ 55
Wintercress _Barbarea_ 37
Winterfat _Eurotia_ 56
Wirelettuce _Stephanomeria_ 54
Wisteria _Wisteria_ 35, 59
Witchgrass _Leptoloma_; _Panicum_ 22, 23
Witchweed _Striga lutea_ 54
Wolffia _Wolffia_ 30
Wolftail _Lycurus_ 22
Woodfern _Dryopteris_ 28
Woodnettle _Laportea_ 46
Woodreed _Cinna_ 20
Woodsia _Woodsia_ 28
Yam _Dioscorea_ 29
Yarrow _Achillea_ 35
Yerbadetajo _Eclipta alba_ 41
Zinnia _Zinnia_ 55
Zizia _Zizia_ 55
Zoysia _Zoysia_ 26
=GRASSES=
_Aegilops cylindrica_ Host goatgrass
_Agropyron_ Gaertn. wheatgrass
_cristatum_[9] (L.) Gaertn. fairway w.
_dasystachyum_ (Hook.) Scribn. thickspike w.
_desertorum_[9] (Fisch.) Schult. crested w.
_elongatum_[10] (Host) Beauv. tall w.
_inerme_ (Scribn. & Smith) Rydb. beardless w.
_intermedium_[11] (Host) Beauv. intermediate w.
_repens_ (L.) Beauv. quackgrass
_riparium_ Scribn. & Smith streambank w.
_semicostatum_ (Steud.) Nees ex Boiss. drooping w.
_sibiricum_ (Willd.) Beauv. Siberian w.
_smithii_ Rydb. western w.
_spicatum_ (Pursh) Scribn. & Smith bluebunch w.
_subsecundum_ (Link) Hitchc. bearded w.
_trachycaulum_ (Link) Malte slender w.
_trichophorum_[11] (Link) Richt. pubescent w.
_Agrostis_ L. bentgrass
_alba_ L. redtop
_canina_ L. velvet b.
_diegoensis_ Vasey thin b.
_exarata_ Trin. spike b.
_hiemalis_ (Walt.) B.S.P. winter b.
_palustris_ Huds. creeping b.
_tenuis_ Sibth. colonial b.
var. _aristata_ (Parnell) Druce awned c. b.
_Aira caryophyllea_ L. silver hairgrass
_Alopecurus_ L. foxtail
_aequalis_ Sobol. shortawn f.
_arundinaceus_ Poir. creeping f.
_carolinianus_ Walt. Carolina f.
_myosuroides_ Huds. mouse f.
_pratensis_ L. meadow f.
_Ammophila_ Host beachgrass
_arenaria_ (L.) Link European b.
_breviligulata_ Fernald American b.
_Andropogon_ L. bluestem
_barbinodis_ Lag. cane b.
_elliotti_ Chapm. elliott b.
_gerardi_ Vitman big b.
_glomeratus_ (Walt.) B.S.P. bushy b.
_hallii_ Hack. sand b.
_intermedius_ R. Brown[12] caucasian b.
_ischaemum_ L.[13] Turkestan b.
_nodosus_ (Willem.) Nash angleton b.
_perforatus_ Trin. ex Fourn. pinhole b.
_saccharoides_ Swartz silver b.
_scoparius_ Michx. little b.
_tener_ (Nees) Kunth slender b.
_ternarius_ Michx. splitbeard b.
_virginicus_ L. broomsedge
_Anthoxanthum odoratum_ L. sweet vernalgrass
_Aristida_ L. threeawn
_adscensionis_ L. sixweeks t.
_arizonica_ Vasey Arizona t.
_basiramea_ Engelm. ex Vasey forktip t.
_curtissii_ (A. Gray) Nash curtiss t.
_desmantha_ Trin. & Rupr. curly t.
_dichotoma_ Michx. churchmouse t.
_divaricata_ Humb. & Bonpl. ex Willd. poverty t.
_fendleriana_ Steud. fendler t.
_intermedia_ Scribn. & Ball kearney t.
_longespica_ Poir. slimspike t.
_longiseta_ Steud. red t.
_oligantha_ Michx. prairie t.
_orcuttiana_ Vasey single t.
_purpurascens_ Poir. arrowfeather t.
_purpurea_ Nutt. purple t.
_ramosissima_ Engelm. ex A. Gray s-curve t.
_wrightii_ Nash wright t.
_Arrhenatherum_ Beauv. oatgrass
_elatius_ (L.) Presl tall o.
var. _bulbosum_ (Willd.) Spenner tuber o.
_Arundinaria_ Michx. cane
_gigantea_ (Walt) Muhl. giant c.
_tecta_ (Walt) Muhl. switch c.
_Arundo donax_ L. giantreed
_Astrebla pectinata_ F.v.M.[14] mitchellgrass
_Avena_ L. oat
_barbata_ Brot. slender o.
_byzantina_ C. Koch red o.
_fatua_ L. wild o.
_nuda_ L. naked o.
_sativa_ L. common o.
_Axonopus affinis_ Chase carpetgrass
_Beckmannia syzigachne_ (Steud.) Fernald American sloughgrass
_Blepharoneuron tricholepis_ (Torr.) Nash pinedropseed
_Bouteloua_ Lag. grama
_barbata_ Lag. sixweeks g.
_chondrosioides_ (H.B.K.) Benth.
ex S. Wats. sprucetop g.
_curtipendula_ (Michx.) Torr. sideoats g.
_eriopoda_ (Torr.) Torr. black g.
_filiformis_ (Fourn.) Griffiths slender g.
_gracilis_ (H.B.K.) Lag. ex Steud. blue g.
_hirsuta_ Lag. hairy g.
_rothrockii_ Vasey rothrock g.
_Briza_ L. quakinggrass
_maxima_ L. big q.
_media_ L. perennial q.
_minor_ L. little q.
_Bromus_ L. brome
_arenarius_ Labill. Australian b.
_arvensis_ L. field b.
_brizaeformis_ Fisch. & Mey. rattle b.
_carinatus_[15] Hook. & Arn. mountain b.
_catharticus_ Vahl. rescue b.
_ciliatus_[16] L. fringed b.
_commutatus_ Schrad. hairy b.
_erectus_ Huds. meadow b.
_frondosus_ (Shear) Woot. & Standl. weeping b.
_inermis_ Leyss. smooth b.[17]
_japonicus_ Thunb. Japanese b.
_madritensis_ L. Spanish b.
_mollis_ L. soft b.
_purgans_ L. Canada b.
_racemosus_ L. bald b.
_rigidus_ Roth ripgut b.
_rubens_ L. red b.
_secalinus_ L. cheat
_stamineus_[18] E. Desv. harlan b.
_sterilis_ L. poverty b.
_tectorum_ L. downy b.
_tomentellus_[18] Boiss. Russian b.
_vulgaris_ (Hook.) Shear Columbia b.
_Buchloë dactyloides_ (Nutt.) Engelm. buffalograss
_Calamagrostis_ Adans. reedgrass
_canadensis_ (Michx.) Beauv. bluejoint r.
_epigeios_ (L.) Roth chee r.
_inexpansa_ A. Gray northern r.
_rubescens_ Buckl. pinegrass
_Calamovilfa_ Hack. sandreed
_gigantea_ (Nutt.) Scribn. & Merr. big s.
_longifolia_ (Hook.) Scribn. prairie s.
_Cenchrus_ L. sandbur
_myosuroides_ H.B.K. big s.
_pauciflorus_ Benth. sandbur
_setigerus_[19] Vahl birdwoodgrass
_Chloris_ Swartz chloris; windmillgrass[20]
_distichophylla_ Lag. weeping c.
_gayana_ Kunth rhodesgrass
_verticillata_ Nutt. windmillgrass
_virgata_ Swartz showy c.
_Cinna arundinacea_ L. stout woodreed
_Coix lacryma-jobi_ L. jobstears
_Cortaderia selloana_ (Schult.)
Aschers. & Graebn. pampasgrass
_Cynodon_ L. Rich. bermudagrass
_dactylon_ (L.) Pers. bermudagrass
_plectostachyum_[19] (Schum.) Pilger stargrass
_transvaalensis_ Burtt-Davy African b.
_Cynosurus cristatus_ L. crested dogtail
_Dactylis glomerata_ L. orchardgrass
_Danthonia_ Lam. & DC. danthonia
_californica_ Boland. California d.
_intermedia_ Vasey timber d.
_pilosa_ R. Br. hairy d.
_spicata_ (L.) Beauv. ex Roem. & Schult. poverty d.
_Deschampsia caespitosa_ (L.) Beauv. tufted hairgrass
_Diarrhena americana_ Beauv. American beakgrain
_Digitaria_ Heister crabgrass; fingergrass[21]
_decumbens_ Stent pangolagrass
_filiformis_ (L.) Koel. slender f.
_ischaemum_ (Schreb.) Schreb. ex Muhl. smooth c.
_sanguinalis_ (L.) Scop. crabgrass
_Distichlis_ Raf. saltgrass
_spicata_ (L.) Greene seashore s.
_stricta_ (Torr.) Rydb. inland s.
_Echinochloa_ Beauv. cockspur
_crusgalli_ (L.) Beauv. barnyardgrass
var. _frumentacea_ (Roxb.) W. F. Wight japanesemillet
_Eleusine indica_ (L.) Gaertn. goosegrass
_Elymus_ L. wildrye
_arenanius_ L. European dune w.
_canadensis_ L. Canada w.
_caput-medusae_ L. medusahead w.
_chinensis_ (Trin.) Keng
[_A. pseudo-agropyron_
(Griseb.) Franch.][22] Chinese w.
_cinereus_ Scribn. & Merr. basin w.
_condensatus_ Presl giant w.
_giganteus_ Vahl mammoth w.
_glaucus_ Buckl. blue w.
_junceus_[22] Fish. Russian w.
_macounii_ Vasey macoun w.
_triticoides_ Buckl. beardless w.
_villosus_ Muhl. hairy w.
_virginicus_ L. Virginia w.
_Eragrostis_ Beauv. lovegrass
_barrelieri_ Daveau Mediterranean l.
_capillaris_ (L.) Nees lacegrass
_chloromelas_ Steud. boer l.
_cilianensis_ (All.) Lutati stinkgrass
_curtipedicellata_ Buckl. gummy l.
_curvula_ (Schrad.) Nees weeping l.
_frankii_ C. A. Meyer ex Steud. sandbar l.
_hypnoides_ (Lam.) B.S.P. teal l.
_intermedia_ Hitchc. plains l.
_lehmanniana_ Nees lehmann l.
_oxylepis_ (Torr.) Torr.
(not _E. secundiflora_ Presl as
shown in older manuals) red l.
_pectinacea_ (Michx.) Nees Carolina l.
_pilosa_ (L.) Beauv. India l.
_poaeoides_ Beauv. ex Roem. & Schult. little l.
_secundiflora_ Presl (see _E. oxylepis_)
_sessilispica_ Buckl. tumble l.
_spectabilis_ (Pursh) Steud. purple l.
_tef_ (Zuccagni) Trotter teff
_trichodes_ (Nutt.) Wood sand l.
_Eremochloa ophiuroides_ (Munro) Hack. centipedegrass
_Erianthus_ Michx. plumegrass
_ravennae_ (L.) Beauv. ravennagrass
_Eriochloa contracta_ Hitchc. prairie cupgrass
_Euchlaena mexicana_ Schrad. teosinte
_Festuca_ L. fescue
_arizonica_ Vasey Arizona f.
_arundinacea_ Schreb. tall f.
_elatior_ L. meadow f.
_idahoensis_ Elmer Idaho f.
_megalura_ Nutt. foxtail f.
_myuros_ L. rattail f.
_obtusa_ Bieler nodding f.
_octoflora_ Walt. sixweeks f.
_ovina_ L. sheep f.
var. _duriuscula_ (L.) Koch hard f.
_paradoxa_ Desv. cluster f.
_rubra_ L. red f.
var. _commutata_ Gaud. chewings f.
_scabrella_ Torr. rough f.
_thurberi_ Vasey thurber f.
_viridula_ Vasey green f.
_Gastridium ventricosum_ (Gouan)
Schinz & Thell. nitgrass
_Glyceria striata_ (Lam.) Hitchc. fowl mannagrass
_Gymnopogon ambiguus_ (Michx.) B.S.P. bearded skeletongrass
_Heteropogon_ Pers. tanglehead
_contortus_ (L.) Beauv. ex Roem. & Schult. tanglehead
_melanocarpus_ (Ell.) Benth. sweet t.
_Hilaria_ H.B.K. hilaria
_belangeri_ (Steud.) Nash curlymesquite
_jamesii_ (Torr.) Benth. galleta
_mutica_ (Buckl.) Benth. tobosa
_rigida_ (Thurb.) Benth. big galleta
_Holcus lanatus_ L. velvetgrass
_Hordeum_ L. barley
_brachyantherum_ Nevski northern-meadow b.
_jubatum_ L. foxtail b.
var. _caespitosum_ (Scribn.) Hitchc. bobtail b.
_nodosum_ L.[23] meadow b.
_pusillum_ Nutt. little b.
_vulgare_ L. barley
_Hyparrhenia_ Anderss. ex Stapf hyparrhenia
_hirta_ (L.) Stapf thatchgrass
_rufa_ (Nees) Stapf jaragua
_Hystrix patula_ Moench bottlebrushgrass
_Imperata cylindrica_ (L.) Beauv. cogongrass
_Koeleria cristata_ (L.) Pers. prairie junegrass
_Leersia_ Swartz cutgrass
_lenticularis_ Michx. catchflygrass
_oryzoides_ (L.) Swartz rice c.
_virginica_ Willd. whitegrass
_Leptochloa_ Beauv. sprangletop
_dubia_ (H.B.K.) Nees green s.
_fascicularis_ (Lam.) A. Gray bearded s.
_filiformis_ (Lam.) Beauv. red s.
_Leptoloma cognatum_ (Schult.) Chase fall witchgrass
_Lolium_ L. ryegrass
_multiflorum_ Lam. Italian r.
_perenne_ L. perennial r.
_temulentum_ L. darnel
_Lycurus phleoides_ H.B.K. wolftail
_Manisuris_ L. jointtail
_cylindrica_ (Michx.) Kuntze Carolina j.
_tuberculosa_ Nash Florida j.
_Melica_ L. melic; oniongrass[24]
_bulbosa_ Geyer ex Port. & Coult. oniongrass
_imperfecta_ Trin. coastrange m.
_mutica_ Walt. twoflower m.
_nitens_ (Scribn.) Nutt. ex Piper threeflower m.
_porteri_ Scribn. porter m.
_Melinis minutiflora_ Beauv. molassesgrass
_Miscanthus sinensis_ Anderss. Chinese silvergrass
_Muhlenbergia_ Schreb. muhly
_andina_ (Nutt.) Hitchc. foxtail m.
_arenicola_ Buckl. sand m.
_asperifolia_ (Nees & Mey.) Parodi alkali m.
_brachyphylla_ Bush nodding m.
_capillaris_ (Lam.) Trin. hairawn m.
_cuspidata_ (Torr.) Rydb. plains m.
_filiformis_ (Thurb.) Rydb. pullup m.
_foliosa_ (Roem. & Schult.) Trin.[25] leafy m.
_frondosa_ (Poir.) Fernald wirestem m.
var. _mexicana_ (L.) Trin. forma
_commutata_ (Scribn.) Fernald
(based on _M. mexicana_ subsp.
_commutata_ Scribn.) bearded w. m.
_montana_ (Nutt.) Hitchc. mountain m.
_porteri_ Scribn. porter m.
_pungens_ Thurb. sandhill m.
_racemosa_ (Michx.) B.S.P. green m.
_schreberi_ Gmel. nimblewill
_sobolifera_ (Muhl.) Trin. rock m.
_squarrosa_ (Trin.) Rydb.[26] mat m.
_sylvatica_ (Torr.) Torr. forest m.
_torreyi_ (Kunth) Hitchc. ex Bush ring m.
_wrightii_ Vasey spike m.
_Munroa squarrosa_ (Nutt.) Torr. falsebuffalograss
_Nardus stricta_ L. matgrass
_Orcuttia_ Vasey orcuttia
_Oryza sativa_ L. rice
_Oryzopsis_ Michx. ricegrass
_hymenoides_ (Roem. & Schult.) Ricker Indian r.
_miliacea_ (L.) Benth. & Hook. ex
Aschers. & Schweinf. smilograss
_Panicum_ L. panicum; witchgrass
_agrostoides_ Spreng. redtop p.
_anceps_ Michx. beaked p.
_antidotale_ Retz. blue p.
_bulbosum_ H.B.K. bulb p.
_capillare_ L. common w.
var. _occidentale_ Rydb. cushion w.
_depauperatum_ Muhl. stunted p.
_dichotomiflorum_ Michx. fall p.
_gatttingeri_ Nash gattinger w.
_hillmani_ Chase hillman p.
_huachucae_ Ashe huachuca p.
_latifolium_ L. wideleaf p.
_leibergii_ (Vasey) Scribn. leiberg p.
_lindheimeri_ Nash lindheimer p.
_linearifolium_ Scribn. slimleaf p.
_malacophyllum_ Nash softleaf p.
_maximum_ Jacq. guineagrass
_miliaceum_ L. proso
_obtusum_ H.B.K. vinemesquite
_perlongum_ Nash elongate p.
_praecocius_ Hitchc. & Chase early p.
_purpurascens_ Raddi paragrass
_ramosum_ L. browntopmillet
_repens_ L. torpedograss
_scoparium_ Lam. velvet p.
_scribnerianum_ Nash scribner p.
_sphaerocarpon_ Ell. roundseed p.
_tennesseense_ Ashe Tennessee p.
_texanum_ Buckl. Texas p.
_villosissimum_ Nash hairy p.
_virgatum_ L. switchgrass
_werneri_ Scribn. werner p.
_wilcoxianum_ Vasey wilcox p.
_Pappophorum mucronulatum_ Nees pappusgrass
_Paspalum_ L. paspalum
_ciliatifolium_ Michx. fringeleaf p.
_circulare_ Nash roundseed p.
_dilatatum_ Poir. dallisgrass
_distichum_ L. knotgrass
_floridanum_ Michx. Florida p.
var. _glabratum_ Engelm. ex Vasey smooth F. p.
_fluitans_ (Ell.) Kunth horsetail p.
_laeve_ Michx. field p.
_lividum_ Trin. longtom
_malacophyllum_ Trin. ribbed p.
_notatum_ Flügge bahiagrass
_plicatulum_ Michx. brownseed p.
_pubiflorum_ Rupr. ex Fourn. hairyseed p.
_repens_ Bergius[27] horsetail p.
_stramineum_ Nash sand p.
_urvillei_ Steud. vaseygrass
_Pennisetum_ L. Rich. pennisetum
_alopecuroides_ (L.) Spreng. Chinese p.
_ciliare_ (L.) Link buffelgrass
_clandestinum_ Hochst. ex Chiov. kikuyugrass
_glaucum_[28] (L.) R. Br. pearlmillet
_purpureum_ Schumach napiergrass
_ruppelii_ Steud.[29] fountaingrass
_villosum_ R. Br. feathertop
_Phalaris_ L. canarygrass
_arundinacea_ L. reed c.
_canariensis_ L. canarygrass
_caroliniana_ Walt. Carolina c.
_minor_ Retz. littleseed c.
_tuberosa_ L. bulb c.
var. _stenoptera_ (Hack.) Hitchc. hardinggrass
_Phleum_ L. timothy
_alpinum_ L. alpine t.
_pratense_ L. timothy
_Phragmites communis_ Trin. common reed
_Poa_ L. bluegrass
_ampla_ Merr. big b.
_annua_ L. annual b.
_arachnifera_ Torr. Texas b.
_arida_ Vasey plains b.
_bulbosa_ L. bulbous b.
_canbyi_ (Scribn.) Piper canby b.
_chapmaniana_ Scribn. chapman b.
_compressa_ L. Canada b.
_fendleriana_ (Steud.) Vasey mutton b.
_nevadensis_ Vasey ex Scribn. Nevada b.
_pratensis_ L. Kentucky b.
_scabrella_ (Thurb.) Benth. ex Vasey pine b.
_secunda_ Presl rough b.
_sylvestris_ A. Gray woodland b.
_trivialis_ L. roughstalk b.
_Polypogon monspeliensis_ (L.) Desf. rabbitfoot polypogon
_Puccinellia airoides_ (Nutt.)
Wats. & Coult. nuttall alkaligrass
_Redfieldia flexuosa_ (Thurb) Vasey blowoutgrass
_Rhynchelytrum roseum_[30] (Nees) Stapf
and Hubb. ex Bews natalgrass
_Saccharum officinarum_ L. sugarcane
_Schedonnardus paniculatus_ (Nutt.) Trel. tumblegrass
_Scleropogon brevifolius_ Phil. burrograss
_Secale_ L. rye
_cereale_ L. rye
_montanum_ Guss. mountain r.
_Setaria_ Beauv. bristlegrass; millet[31]
_faberii_ Herrm. giant b.[32]
_geniculata_ (Lam.) Beauv. knotroot b.
_italica_ (L.) Beauv. foxtail m.
_lutescens_ (Weigel) Hubb.[33] yellow b.[32]
_macrostachya_ H.B.K. plains b.
_verticillata_ (L.) Beauv. hooked b.
_viridis_ (L.) Beauv. green b.[32]
_Sitanion hystrix_ (Nutt.) J. G. Smith bottlebrush squirreltail
_Sorghastrum nutans_ (L.) Nash indiangrass
_Sorghum_ Moench[34] sorghum
_halepense_ ( L.) Pers. johnsongrass
var. _almum_ Parodi[35] sorghum almum
_bicolor_ (L.) Moench. sorghum
var. _drummondii_ (Nees) Hack. ex Chiov. chickencorn
var. _sudanense_ Hitchc. sudangrass
var. _technicum_ (Koern.) Jav. broomcorn
_Spartina_ Schreb. cordgrass
_alterniflora_ Loisel. smooth c.
_cynosuroides_ (L.) Roth big c.
_gracilis_ Trin. alkali c.
_patens_ (Ait.) Muhl. marshhay c.
_pectinata_ Link prairie c.
_Sphenopholis_ Scribn. wedgescale
_intermedia_ (Rydb.) Rydb. slender w.
_obtusata_ (Michx.) Scribn. prairie w.
_Sporobolus_ R. Br. dropseed; sacaton
_airoides_ (Torr.) Torr. alkali s.
_asper_ (Michx.) Kunth tall d.
var. _hookeri_ (Trin.) Vasey meadow t.d.
var. _pilosus_ (Vasey) Hitchc. hairy t.d.
_clandestinus_ (Bieler) Hitchc. hidden d.
_cryptandrus_ (Torr.) A. Gray sand d.
_flexuosus_ (Thurb.) Rydb. mesa d.
_giganteus_ Nash giant d.
_heterolepis_ (A. Gray) A. Gray prairie d.
_interruptus_ Vasey black d.
_neglectus_ Nash puffsheath d.
_poiretii_ (Roem. & Schult.) Hitchc. rattail smutgrass
_pyramidatus_ (Lam.) Hitchc. whorled d.
_texanus_ Vasey Texas d.
_vaginiflorus_ (Torr.) Wood poverty d.
_wrightii_ Munro ex Scribn. sacaton
_Stenotaphrum secundatum_ (Walt.) Kuntze St. augustinegrass
_Stipa_ L. needlegrass
_cernua_ Stebbins & Love nodding n.
_columbiana_ Macoun subalpine n.
_comata_ Trin. & Rupr. needleandthread
_leucotricha_ Trin. & Rupr. Texas n.
_neomexicana_ (Thurb.) Scribn. New Mexico feathergrass
_occidentalis_ Thurb. western n.
_pulchra_ Hitchc. purple n.
_robusta_ (Vasey) Scribn. sleepygrass
_spartea_ Trin. porcupinegrass
_viridula_ Trin. green n.
X _Stiporyzopsis caduca_ (Beal) B. L.
Johnson & Rogler (_Oryzopsis
hymenoides_ X _Stipa viridula_) Mandan ricegrass
_Themeda triandra_ Forsk. themeda
_Tragus_ Hall. burgrass
_Trichachne_ Nees cottontop
_californica_ (Benth.) Chase Arizona c.
_patens_ Swallen Texas c.
_Trichloris_ Fourn. trichloris
_mendocina_ (Phil.) Kurtz[36] twoflower t.
_pluriflora_ Fourn. fourflower t.
_Tridens_ Roem. & Schult. tridens
_albescens_ (Vasey) Woot. & Standl. white t.
_elongatus_ (Buckl.) Nash rough t.
_flavus_ (L.) Hitchc. purpletop
_muticus_ (Torr.) Nash slim t.
_pilosus_ (Buckl.) Hitchc. hairy t.
_pulchellus_ (H.B.K.) Hitchc. fluffgrass
_strictus_ (Nutt.) Nash longspike t.
_Triplasis purpurea_ (Walt.) Chapm. purple sandgrass
_Tripsacum dactyloides_ (L.) L. eastern gamagrass
_Trisetum_ Pers. trisetum
_flavescens_ (L.) Beauv. yellow t.
_spicatum_ (L.) Richt. spike t.
_Triticum_ L. wheat
_aestivum_ L. common w.
_dicoccum_ Schrank emmer
_durum_ Desf. durum w.
_monococcum_ L. einkorn
_turgidum_ L. poulard w.
_Uniola_ L. uniola
_latifolia_ Michx. broadleaf u.
_sessiliflora_ Poir. longleaf u.
_Zea mays_ L. corn
_Zizania aquatica_ L. wildrice
_Zizaniopsis miliacea_ (Michx.)
Doell & Aschers. southern wildrice
_Zoysia_ Willd. zoysia
_japonica_ Steud. Japanese lawngrass
_matrella_ (L.) Merr.[37] manillagrass
_tenuifolia_ Willd. ex. Trin. mascarenegrass