Poaceae

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Any stageReported in flower 1Reported in fruit 1

When

Any timeThis week 2Next 4 weeks 2

Status

Any statusIntroduced 25

57 species

SortName A–ZSeason timingMost recordsGroup

Anatherum 1

broomsedge bluestemAnatherum virginicumPhoto © Eric Keith · CC BY-NC 4.0

Andropogon 1

big bluestemAndropogon gerardiPhoto © Kingsbrae Garden · CC BY-NC-SA 4.0Mid-July to early November, middle week Aug 23–29

Anthoxanthum 1

sweet vernal grassAnthoxanthum odoratumPhoto © Tom Norton · CC BY 4.0Late April to mid-July, middle week May 24–30

Arthraxon 1

small carpetgrassArthraxon hispidusPhoto © Dalgial · CC BY-SA 4.0

Arundinaria 1

river caneArundinaria giganteaPhoto © Jerry Oldenettel · CC BY-NC-SA 4.0

Bouteloua 1

sideoats gramaBouteloua curtipendulaPhoto © psweet · CC BY-SA 4.0Early July to mid-October, middle week Aug 16–22

Brachyelytrum 1

Long-awned Wood GrassBrachyelytrum erectumPhoto no rights reserved · CC0 1.0

Bromus 2

CheatgrassBromus tectorumPhoto © Pavel Gorbunov · CC BY-NC 4.0Smooth BromeBromus inermisPhoto © Jeremy Graves · CC BY-NC 4.0

Chasmanthium 1

river oatsChasmanthium latifoliumLate in its seasonPhoto © Susan Elliott · CC BY-NC 4.0Early July to late November, middle week Aug 30 – Sep 5

Cinna 1

stout wood reedCinna arundinaceaPhoto © Milo Pyne · CC BY-NC 4.0

Dactylis 1

orchard grassDactylis glomerataPhoto © Petr Kosachev · CC BY-NC 4.0Early May to late September, middle week May 31 – Jun 6

Danthonia 1

Poverty oatgrassDanthonia spicataPhoto © Erin Haase · CC BY-NC 4.0

Dichanthelium 2

deertongueDichanthelium clandestinumPhoto © Joseph D Kurtz · CC BY 4.0Late May to early November, middle week Aug 9–15Bosc's WitchgrassDichanthelium bosciiPhoto © J. Richard Abbott · CC BY-NC 4.0

Echinochloa 1

barnyardgrassEchinochloa crus-galliPhoto © Ron Frumkin · CC BY-NC 4.0Mid-July to mid-October, middle week Sep 6–12

Eleusine 1

Goose GrassEleusine indicaPhoto no rights reserved, uploaded by 葉子 · CC0 1.0Mid-July to early November, middle week Sep 13–19

Elymus 6

bottlebrush grassElymus hystrixPhoto © Douglas Goldman · CC BY-SA 4.0Mid-June to mid-October, middle week Jul 26 – Aug 1Canada wild ryeElymus canadensisPhoto © Annette Le Faive · CC BY-NC 4.0Quack GrassElymus repensPhoto © Matt Osborne · CC BY-NC 4.0river wild ryeElymus ripariusPhoto © whinaem · CC BY-NC 4.0silky wild ryeElymus villosusPhoto © Paul Marcum · CC BY-NC 4.0Virginia wildryeElymus virginicusPhoto © Jeff Skrentny · CC BY-NC 4.0

Festuca 1

Nodding FescueFestuca subverticillataPhoto © Erik Danielsen · CC BY-NC 4.0

Glyceria 2

Floating MannagrassGlyceria septentrionalisPhoto © Summit Metro Parks - Robert Curtis · CC BY 4.0Fowl MannagrassGlyceria striataPhoto © fernbanktreegirl · CC BY-NC 4.0

Holcus 1

Yorkshire fogHolcus lanatusPhoto © stacegrammer · CC BY-NC 4.0

Hordeum 1

Foxtail BarleyHordeum jubatumPhoto © caithdg · CC BY-NC 4.0

Leersia 2

white grassLeersia virginicaPhoto © Rob Routledge · CC BY-NC 4.0Late May to mid-October, middle week Aug 23–29rice cutgrassLeersia oryzoidesPhoto © Mark Kluge · CC BY-NC 4.0

Lolium 2

Perennial RyegrassLolium perennePhoto © Георгий Виноградов (Georgy Vinogradov) · CC BY 4.0tall fescueLolium arundinaceumPhoto © David Earl · CC BY-NC 4.0

Microstegium 1

Japanese stiltgrassMicrostegium vimineumPhoto © Derek Hudgins · CC BY-NC 4.0Late May to mid-October, middle week Aug 23–29

Miscanthus 1

Chinese silver grassMiscanthus sinensisPhoto no rights reserved, uploaded by 葉子 · CC0 1.0

Muhlenbergia 1

nimblewillMuhlenbergia schreberiPhoto © Douglas Goldman · CC BY-SA 4.0

Panicum 3

witch grassPanicum capillarePhoto © Calvin Siméon · CC BY-NC 4.0Late August to mid-October, middle week Sep 13–19Smooth WitchgrassPanicum dichotomiflorumPhoto © Lee Elliott · CC BY-NC-SA 4.0switchgrassPanicum virgatumPhoto © aarongunnar · CC BY 4.0

Phalaris 1

reed canary grassPhalaris arundinaceaPhoto © annk · CC BY-NC 4.0Early May to late September, middle week Jun 14–20

Phleum 1

Timothy grassPhleum pratensePhoto © Leanne Wallis · CC BY-NC 4.0Mid-June to late September, middle week Jul 12–18

Phragmites 1

common reedPhragmites australisPhoto © Luca Boscain · CC BY-NC 4.0

Poa 4

Bulbous BluegrassPoa bulbosaPhoto © Sebastian Ćato · CC BY-NC 4.0Mid-April to mid-June, middle week May 10–16Early BluegrassPoa cuspidataPhoto © Michael J. Papay · CC BY 4.0Grove Meadow GrassPoa alsodesPhoto © rayrob · CC BY-NC 4.0Smooth Meadow-grassPoa pratensisPhoto © Bill Harms · CC BY-NC 4.0

Schizachyrium 1

little bluestemSchizachyrium scopariumPhoto © Scott E Severs · CC BY-NC 4.0

Setaria 3

giant foxtailSetaria faberiPhoto © j-7dwj9xrt · CC BY-NC 4.0Green Bristle GrassSetaria viridisPhoto © Thomas Gyselinck · CC BY 4.0

Showing 48 of 57

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Missing records do not mean a species is absent.