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Grasses–scientific names

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

note: more images and descriptions will be added as they are done

Some scientific names have changed since Richard Pohl wrote The Grasses of Iowa (1966) and Eilers and Roosa wrote The Vascular Plants of Iowa (1994). The names used in those two publications are included in this index, with a link to the new name.

available also in a list of only native species and only non-native species

native species link is green
non-native species link color is dark red

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Aegilops cylindrica
xAgrohordeum macounii now xElyhordeum macounii
Agropyron aff. cristatum
Agropyron desertorum now Agropyron aff. cristatum
Agropyron elongatum now Thinopyrum ponticum
Agropyron intermedium now Thinopyrum intermedium
Agropyron pectiniforme now Agropyron aff. cristatum
Agropyron repens now Elymus repens
Agropyron smithii now Pascopyrum smithii
Agropyron trachycaulum now Elymus trachycaulus
Agropyron trachycaulum var. unilaterale now Elymus trachycaulus
Agrostis alba now Agrostis gigantea
Agrostis gigantea
Agrostis hiemalis
Agrostis hyemalis now Agrostis hiemalis
Agrostis hyemalis var. tenuis now Agrostis scabra
Agrostis palustris now Agrostis stolonifera
Agrostis perennans
Agrostis scabra
Agrostis stolonifera
Agrostis stolonifera var. palustris now Agrostis stolonifera
Alopecurus aequalis
Alopecurus carolinianus
Alopecurus pratensis
Andropogon gerardii
Andropogon hallii
Andropogon scoparius now Schizachyrium scoparium
Andropogon virginicus
Aristida basiramea
Aristida basiramea var. basiramea now Aristida basiramea
Aristida basiramea var. curtissii now Aristida dichotoma var. curtissii
Aristida curtissii now Aristida dichotoma var. curtissii
Aristida dichotoma now Aristida dichotoma var. dichotoma
Aristida dichotoma var. curtissii
Aristida dichotoma var. dichotoma
Aristida intermedia now Aristida longespica var. geniculata
Aristida longiseta now Aristida purpurea var. longiseta
Aristida longespica now Aristida longespica var. longespica
Aristida longespica var. geniculata
Aristida longespica var. longespica
Aristida oligantha
Aristida purpurea var. longiseta
Aristida ramosissima
Aristida tuberculosa
Arrhenatherum elatius now Arrhenatherum elatius subsp. elatius
Arrhenatherum elatius subsp. elatius
Avena fatua
Avena sativa

Beckmannia syzigachne
Bouteloua curtipendula
Bouteloua gracilis
Bouteloua hirsuta
Brachyeytrum erectum
Brachyelytrum erectum var. erectum now Brachyelytrum erectum
Brachyelytrum erectum var. glabratum now Brachyeytrum erectum
Bromus ciliatus
Bromus commutatus
Bromus hordeaceus subsp. hordeaceus
Bromus inermis
Bromus japonicus
Bromus kalmii
Bromus latiglumis
Bromus mollis now Bromus hordeaceus subsp. hordeaceus
Bromus pubescens
Bromus purgans now Bromus latiglumis
Bromus secalinus
Bromus tectorum
Buchloë dactyloides

Calamagrostis canadensis
Calamagrostis inexpansa now Calamagrostis stricta subsp. inexpansa
Calamagrostis stricta subsp. inexpansa
Calamovilfa longifolia
Cenchrus longispinus
Chloris verticillata
Cinna arundinacea
Cinna latifolia
Crypsis schoenoides
Cynodon dactylon
Cynodon transvaalensis

Dactylis glomerata
Danthonia spicata
Diarrhena americana var. ovata now Diarrhena obovata
Diarrhena obovata
Dichanthelium acuminatum subsp. fasciculatum
Dichanthelium acuminatum subsp. implicatum
Dichanthelium acuminatum subsp. lindheimeri
Dichanthelium acuminatum var. implicatum now Dichanthelium acuminatum subsp. implicatum
Dichanthelium acuminatum var. lindheimeri now Dichanthelium acuminatum subsp. lindheimeri
Dichanthelium acuminatum var. villosum now Dichanthelium ovale subsp. praecocius
Dichanthelium boreale
Dichanthelium clandestinum
Dichanthelium depauperatum
Dichanthelium latifolium
Dichanthelium leibergii
Dichanthelium linearifolium
Dichanthelium oligosanthes
Dichanthelium oligosanthes var. wilcoxianum now Dichanthelium wilcoxianum
Dichanthelium ovale subsp. praecocius
Dichanthelium ovale subsp. pseudopubescens
Dichanthelium perlongum
Dichanthelium wilcoxianum
Digitaria ciliaris
Digitaria cognata
Digitaria filiformis
Digitaria ischaemum
Digitaria sanguinalis
Distichlis spicata
Distichlis stricta now Distichlis spicata

Echinochloa crusgalli
Echinochloa muricata
Echinochloa walteri
Eleusine indica
xElyhordeum iowense
xElyhordeum macounii
xElyhordeum montanense

Elymus canadensis

Elymus diversiglumis
Elymus glabriflorus
Elymus hystrix
Elymus macgregorii
Elymus repens
Elymus riparius
Elymus submuticus
Elymus trachycaulus
Elymus villosus
Elymus virginicus
Elymus wiegandii
Eragrostis capillaris
Eragrostis cilianensis
Eragrostis frankii
Eragrostis frankii var. brevipes now Eragrostis frankii
Eragrostis frankii var. frankii now Eragrostis frankii
Eragrostis hypnoides
Eragrostis minor
Eragrostis pectinacea
Eragrostis pilosa
Eragrostis poaeoides now Eragrostis minor
Eragrostis reptans
Eragrostis spectabilis
Eragrostis trichodes
Eriochloa villosa

Festuca arundinacea now Schedonorus phoenix
Festuca elatior now Schedonorus pratensis
Festuca obtusa now Festuca subverticillata
Festuca octoflora var. tenella now Vulpia octoflora
Festuca ovina
Festuca paradoxa
Festuca pratensis now Schedonorus pratensis
Festuca rubra
Festuca subverticillata
Festuca trachyphylla

Glyceria borealis
Glyceria grandis
Glyceria septentrionalis
Glyceria striata

Heleochloa schoenoides now Crypsis schoenoides
Hesperostipa comata
Hesperostipa spartea
Hierochloë odorata
Holcus lanatus
Hordeum jubatum
Hordeum marinum subsp. gussoneanum
Hordeum pusillum
Hordeum vulgare
Hystrix patula now Elymus hystrix

Koeleria cristata now Koeleria macrantha
Koeleria macrantha

Leersia lenticularis
Leersia oryzoides
Leersia virginica
Leptochloa fascicularis now Leptochloa fusca subsp. fascicularis
Leptochloa fascicularis var. acuminata now Leptochloa fusca subsp. fascicularis
Leptochloa fusca subsp. fascicularis
Leptoloma cognatum now Digitaria cognata
Lolium multiflorum
Lolium perenne
Lolium perenne var. italicum now Lolium multiflorum
Lolium perenne var. perenne now Lolium perenne
Lolium temulentum subsp. temulentum

Melica mutica
Melica nitens
Milium effusum
Miscanthus sacchariflorus
Muhlenbergia asperifolia
Muhlenbergia brachyphylla now Muhlenbergia bushii
Muhlenbergia bushii
Muhlenbergia xcurtisetosa
Muhlenbergia cuspidata
Muhlenbergia frondosa
Muhlenbergia glomerata
Muhlenbergia mexicana
Muhlenbergia racemosa
Muhlenbergia schreberi
Muhlenbergia sobolifera
Muhlenbergia sylvatica
Muhlenbergia tenuiflora

Nassella viridula

Oryzopsis asperifolia
Oryzopsis pungens now Piptatherum pungens
Oryzopsis racemosa now Piptatherum racemosum

Panicum capillare now Panicum capillare subsp. capillare
Panicum capillare subsp. capillare
Panicum capillare subsp. hillmanii
Panicum clandestinum now Dichanthelium clandestinum
Panicum commonsianum var. euchlamydeum now Dichanthelium ovale subsp. pseudopubescens
Panicum depauperatum now Dichanthelium depauperatum
Panicum dichotomiflorum now Panicum dichotomiflorum subsp. dichotomiflorum
Panicum dichotomiflorum subsp. dichotomiflorum
Panicum gattingeri now Panicum philadelphicum subsp. gattingeri
Panicum helleri now Dichanthelium oligosanthes subsp. scribnerianum
Panicum hillmanii now Panicum capillare subsp. hillmanii
Panicum implicatum now Dichanthelium acuminatum subsp. implicatum
Panicum latifolium now Dichanthelium latifolium
Panicum leibergii now Dichanthelium leibergii
Panicum lindheimeri now Dichanthelium acuminatum subsp. lindheimeri
Panicum linearifolium now Dichanthelium linearifolium
Panicum miliaceum now Panicum miliaceum subsp. miliaceum
Panicum miliaceum subsp. miliaceum
Panicum oligosanthes now Dichanthelium oligosanthes
Panicum perlongum now Dichanthelium perlongum
Panicum philadelphicum now Panicum philadelphicum subsp. philadelphicum
Panicum philadelphicum subsp. gattingeri
Panicum philadelphicum subsp. philadelphicum
Panicum praecocius now Dichanthelium ovale subsp. praecocius
Panicum scribnerianum now Dichanthelium oligosanthes subsp. scribnerianum
Panicum virgatum
Panicum wilcoxianum now Dichanthelium wilcoxianum
Pascopyrum smithii
Paspalum ciliatifolium now Paspalum setaceum
Paspalum setaceum
Pennisetum petiolare
Phalaris arundinacea
Phalaris canariensis
Phleum pratense
Phragmites australis
Phragmites communis now Phragmites australis
Piptatherum pungens
Piptatherum racemosum
Poa annua
Poa arida
Poa bulbosa
Poa chapmaniana
Poa compressa
Poa languida now Poa saltuensis
Poa nemoralis
Poa paludigena
Poa palustris
Poa pratensis
Poa saltuensis
Poa sylvestris
Poa trivialis
Poa wolfii
Puccinellia distans

Schedonnardus paniculatus
Schedonorus phoenix
Schedonorus pratensis
Schizachne purpurascens
Schizachyrium scoparium
Sclerochloa dura
Scolochloa festucacea
Secale cereale
Setaria faberi
Setaria geniculata now Setaria parviflora
Setaria glauca now Setaria pumila subsp. pumila
Setaria italica
Setaria lutescens now Setaria pumila subsp. pumila
Setaria parviflora
Setaria pumila subsp. pumila
Setaria verticillata
Setaria viridis
Sorghastrum nutans
Sorghum bicolor now Sorghum bicolor subsp. bicolor
Sorghum bicolor subsp. bicolor
Sorghum bicolor subsp. drummondii
Sorghum halepense
Sorghum sudanense now Sorghum bicolor subsp. drummondii
Sorghum vulgare now Sorghum bicolor subsp. bicolor
Spartina pectinata
Sphenopholis intermedia
Sphenopholis obtusata
Sphenopholis obtusata var. major now Sphenopholis intermedia
Sphenopholis obtusata var. obutsata now Sphenopholis obtusata
Sporobolus asper now Sporobolus compositus
Sporobolus clandestinus
Sporobolus compositus
Sporobolus cryptandrus
Sporobolus cryptandrus var. cryptandrus now Sporobolus cryptandrus
Sporobolus cryptandrus var. fuscicolor now Sporobolus cryptandrus
Sporobolus heterolepis
Sporobolus neglectus
Sporobolus vaginiflorus
Stipa comata now Hesperostipa comata
Stipa spartea now Hesperostipa spartea
Stipa viridula now Nassella viridula

Thinopyrum intermedium
Thinopyrum ponticum
Tridens flavus
Triplasis purpurea
Tripsacum dactyloides
Triticum aestivum

Vulpia myuros
Vulpia octoflora

Zea mays now Zea mays subsp. mays
Zea mays subsp. mays
Zizania palustris

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