A Digital Flora
of Newfoundland and Labrador
Vascular Plants



Poaceae: Grass Family



Glyceria maxima (Hartm.) Holmb.






  Always under construction!  Please check back periodically.  

Page created December 1, 2001
Page last updated August 29, 2009




Navigate this Page - "Poaceae: Grass Family":
Agropyron cristatum
Agrostis canina
Agrostis capillaris
Agrostis gigantea
Agrostis mertensii
Agrostis perennans
Agrostis scabra
Agrostis stolonifera
Alopecurus aequalis var. aequalis
Alopecurus geniculatus
Alopecurus magellanicus [= Alopecurus boreale]
Alopecurus pratensis
Ammophila breviligulata
Anthoxanthum aristatum
Anthoxanthum hirtum
Anthoxanthum monticola subsp. alpinum [= Hierochloë alpina subsp. alpina]
Anthoxanthum monticola subsp. monticolum [= Hierochloë alpina subsp. orthantha]
Anthoxanthum nitans subsp. nitans [= Hierochloë odorata]
Anthoxanthum odoratum
Arctagrostis latifolia subsp. latifolia
Arctophila fulva
Arctopoa eminens [= Poa eminens]
Arrhenatherum elatius subsp. elatius
Avena fatua
Avena sativa
Beckmannia syzigachne
Brachyelytrum aristosum [= Brachyelytrum septentrionale]
Bromus ciliatus
Bromus inermis
Calamagrostis canadensis [sensu lato]
Calamagrostis canadensis var. canadensis
Calamagrostis cf. canadensis [reddish-purple form]
Calamagrostis canadensis var. langsdorffii
Calamagrostis canadensis var. macouniana
Calamagrostis deschampsioides
Calamagrostis epigeios
Calamagrostis lapponica
Calamagrostis pickeringii
Calamagrostis purpurascens
Calamagrostis stricta subsp. inexpansa
Calamagrostis stricta subsp. stricta
Catabrosa aquatica
Cinna latifolia
Cynosurus cristatus
Dactylis glomerata
Danthonia decumbens
Danthonia intermedia subsp. intermedia
Danthonia spicata
Deschampsia alpina
Deschampsia brevifolia
Deschampsia cespitosa subsp. cespitosa
Deschampsia flexuosa
Dichanthelium acuminatum var. fasciculatum
Dichanthelium boreale
×Duarctopoa labradorica [Arctopoa eminens x Dupontia fisheri]
Dupontia fisheri
Echinochloa crus-galli
Elymus repens
Elymus trachycaulus subsp. trachycaulus
Elymus violaceus [= Elymus alaskanus subsp. latiglumis]
Elymus virginicus var. jejunus
Elymus virginicus var. virginicus
Festuca altaica
Festuca brachyphylla subsp. brachyphylla
Festuca filiformis
Festuca frederikseniae
Festuca prolifera var. lasiolepis
Festuca prolifera var. prolifera [= Festuca rubra subsp. rubra var. prolifera]
Festuca rubra subsp. arctica
Festuca rubra subsp. commutata
Festuca rubra subsp. rubra
Festuca saximontana var. saximontana
Glyceria borealis
Glyceria canadensis var. canadensis
Glyceria fluitans
Glyceria grandis var. grandis
Glyceria maxima
Glyceria striata
Graphephorum melicoides [= Trisetum melicoides]
Holcus lanatus
Holcus mollis subsp. mollis
Hordeum brachyantherum subsp. brachyantherum
Hordeum jubatum subsp. jubatum
Leymus mollis subsp. mollis
Lolium multiflorum [= Lolium perenne subsp. multiflorum]
Lolium perenne
Lolium temulentum subsp. remotum
Lolium temulentum subsp. temulentum
Milium effusum var. cisatlanticum
Muhlenbergia glomerata
Muhlenbergia uniflora
Nardus stricta
Oryzopsis asperifolia
Panicum miliaceum subsp. miliaceum
Phalaris arundinacea
Phalaris canariensis
Phippsia algida
Phleum alpinum
Phleum pratense subsp. pratense
Phragmites australis subsp. australis
Piptatheropsis canadensis
Piptatheropsis pungens
Pleuropogon sabinii
Poa alpina subsp. alpina
Poa annua
Poa arctica subsp. arctica
Poa compressa
Poa ×gaspensis
Poa glauca subsp. glauca
Poa laxa subsp. fernaldiana
Poa nemoralis
Poa palustris
Poa pratensis subsp. alpigena
Poa pratensis subsp. irrigata
Poa pratensis subsp. pratensis
Poa saltuensis subsp. saltuensis
Poa trivialis
Puccinellia distans
Puccinellia nutkaensis
Puccinellia phryganodes
Puccinellia pumila
Puccinellia tenella subsp. langeana
Puccinellia vaginata
Puccinellia vahliana
Schedonorus arundinaceus
Schedonorus pratensis [= Festuca pratensis]
Schizachne purpurascens
Secale cereale
Setaria pumila subsp. pumila
Setaria viridis var. viridis
Spartina alterniflora
Spartina patens
Spartina pectinata
Sphenopholis intermedia
Torreyochloa pallida var. fernaldii
Trisetum spicatum
Triticum aestivum
Vahlodea atropurpurea





Agrostis capillaris Linnaeus  -  Colonial Bent, Rhode Island Bent - [NF, LAB]
Pasadena. Federal Forestry Cabins. Open deciduous woods near river. July 21, 2003. [Digital - John Maunder]
Spikelets
Pouch Cove, Shoe Cove. Stiles Cove. Edge of stream above cove. August 14, 2003. [Digital - John Maunder]
Spikelets
Spikelets
Spikelets
Inflorescence
Inflorescence

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Agrostis scabra Willdenow  -  Rough Bent, Rough Hairgrass - [NF, LAB]
Indian River, above bridge on Springdale Highway. River floodplain. Gravels. July 24, 2002. [Digital - John Maunder]
Whole Plants in Habitat
New Bay Road, at junction with Spaniard's Bay Spur Road. Edge of shallow pond. October 12, 2003. [Digital - John Maunder]
Spikelets
Spikelets
Inflorescence
Leaves
Whole Plant

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Agrostis stolonifera Linnaeus  -  Creeping Bent - [NF, LAB] [i]
Upper Ferry. Below bridge on upper beach. Sparse, gravelly saltmarsh. July 23, 2003. [Digital - John Maunder]
Inflorescence
Leaves
Leaves

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Alopecurus pratensis Linnaeus  -  Meadow Foxtail - [NF, LAB] [i]
St. John's. Kent's Pond. Disturbed ground. June 13, 2002. [Digital - John Maunder]
Inflorescence
Inflorescence
Inflorescence
South River, Conception Bay. Upper Motion. Disturbed ground. June 14, 2003. [Digital - John Maunder]
Inflorescence

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Ammophila breviligulata Fernald  -  Beachgrass - [NF]
Burgeo. Sandbanks Provincial Park. Dunes. July 15, 2002. [Digital - John Maunder]
Core of Old Inflorescence
Inflorescences and Leaves
Grand Bay West. Crest of mobile dune. September 8, 2000. [Transparencies - Nathalie Djan-Chékar]
Inflorescences
Whole Plants

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Anthoxanthum nitans (Weber) Y. Schouten & Veldkamp subsp. nitans [= Hierochloë odorata (L.) P. Beauv.]  -  Sweetgrass, Vanilla Grass - [NF, LAB]
Grand Falls. Behind paper mill. Open shrubbery. May 29, 2003. [Digital - John Maunder]
Spikelets
Spikelets
Spikelets
Inflorescence
Flowering Stems

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Anthoxanthum odoratum Linnaeus  -  Sweet Vernalgrass - [NF] [i]
Shoe Cove, Pouch Cove. Old meadows. June 10, 2002. [Digital - John Maunder]
Inflorescence
Inflorescence
Inflorescence
Whole Plant

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Arctopoa eminens [= Poa eminens J. S. Presl]  -  Largeflower Bluegrass - [NF, LAB]
Red Bay, Labrador. Near Parks Canada Museum. Upper beach. July 29, 2003. [Digital - John Maunder]
Spikelets
Spikelets
Spikelets
Inflorescences
Inflorescences
Inflorescences
Cartwright, Labrador. Town beach. Wet, upper beach. August 2, 2003. [Digital - John Maunder]
Spikelets
Inflorescence
Inflorescence
Ferrole Point. Limestone barren. August 4, 1999. [Transparency - René Charest]
Inflorescences

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Avena sativa Linnaeus  -  Cultivated Oats - [NF] [e]
St. John's. Waterfront Drive. Murray Premises. Sidewalk plant. October 25, 2002. [Digital - John Maunder]
Old Spikelets
Old Spikelets
Old Inflorescence

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Brachyelytrum aristosum (Michaux) Trelease [= Brachyelytrum septentrionale (Babel) G. C. Tucker]  -  Northern Shorthusk - [NF]
Seal Cove River. Above Conception Bay Highway bridge. Open edge of shrubbery. September 2, 2002. [Digital - John Maunder]
Spikelets
Inflorescence

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Bromus ciliatus Linnaeus  -  Fringed Brome - [NF, LAB]
St. Barbe. Deep Cove Trail. Edge of coniferous woods. August 6, 2003. [Digital - John Maunder]
Spikelets
Inflorescence

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Bromus inermis Leysser  -  Smooth Brome, Hungarian Brome - [NF, LAB] [i]
Crabbes River. Above highway bridge. Edge of woods above edge of river flats. July 21, 2003. [Digital - John Maunder]
Spikelets
Inflorescence
Flowering Stems
Stem and Leaves

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Calamagrostis canadensis (Michaux) P. Beauvois  -  Bluejoint Canada Reedgrass - [NF, LAB]
Shoe Cove, Pouch Cove. Old field. July 28, 2002. [Digital - John Maunder]
Inflorescence and Leaves

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Calamagrostis cf. canadensis (Michaux) P. Beauvois [reddish-purple foliage and flowers - final identification pending]  -  Bluejoint ? Canada Reedgrass ? - [NF, LAB]
Pigeon Island. Notre Dame Bay, north of Lewisporte. July 18, 2001. [Digital - John Maunder]
Leaves
Whole Plant
Whole Plants in Habitat

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Calamagrostis pickeringii A. Gray  -  Pickering's Reedgrass - [NF, LAB]
Cartwright, Labrador. Upper portion of town beach. August 2, 2003. [Digital - John Maunder]
Inflorescence, Closeup
Inflorescences

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Cinna latifolia (Treviranus ex Göppinger) Grisebach  -  Wood Reedgrass - [NF, LAB]
Spur Highway to Cartwright, Labrador. About 8 km east of Paradise River Junction. Edge of coniferous woods. August 3, 2003. [Digital - John Maunder]
Inflorescence
Inflorescence
Inflorescence
Stem and Leaves

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Cynosurus cristatus Linnaeus  -  Crested Dogstail - [NF] [i]
Trout River. Disturbed ground. July 13, 2003. [Digital - John Maunder]
Inflorescences
Inflorescences
Inflorescences

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Dactylis glomerata Linnaeus  -  Orchard Grass - [NF] [i]
Steady Brook. Below the trail to the falls. Disturbed ground. July 17, 2002. [Digital - John Maunder]
Inflorescence, Closeup
Inflorescence
Corner Brook. Glynn Mill Trails. Disturbed ground. July 18, 2002. [Digital - John Maunder]
Inflorescence, Closeup
Inflorescence, Closeup
St. John's. Gower Street. Sidewalk Plant. November 21, 2001. [Digital - John Maunder]
Inflorescence
Whole Plant

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Deschampsia cespitosa (Linnaeus) P. Beauvois subsp. cespitosa  -  Tufted Hairgrass - [NF, LAB]
Grand Falls. Behind paper mill. Open shrubbery. May 29, 2003. [Digital - John Maunder]
Spikelets
Inflorescence
Flowering Stems

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Dichanthelium boreale (Nash) Freckmann  -  Northern Panic Grass - [NF]
Blow-me-down Mountain Trail, Humber Arm. Serpentine-rich gravels. July 18, 2002. [Digital - John Maunder]
Inflorescence
Flowering Stem

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Elymus repens (Linnaeus) Gould [cf. forma aristatum (Schumacher) Holmberg] [final identification pending]  -  Quackgrass, Couchgrass - [NF, LAB] [i]
Upper Ferry. Between tidal shore and mixed woods. July 23, 2003. [Digital - John Maunder]
Spikelet
Spikelets
Spikelets
Spikelets
Spikelets
Spikelets
Spikelets
Inflorescence
Leaf Sheath

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Elymus virginicus Linnaeus var. jejunus (Ramaley) Bush  -  Virginia Wildrye, Terrell Grass - [NF - RARE]
Little Codroy River, Tompkins. Moist Field. September 8, 2000. [Transparencies - Nathalie Djan-Chékar]
Inflorescence
Inflorescence
Inflorescence

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Festuca brachyphylla Schultes & Schultes filius subsp. brachyphylla  -  Alpine Fescue, Shortleaf Fescue - [NF, LAB]
Battle Harbour, Labrador. Caribou Island. Alpine heath. July 30, 2003. [Digital - John Maunder]
Whole Plant
Goose Cape Peninsula. August 9, 1999. [Transparency - René Charest ]
Whole Plant

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Festuca frederikseniae E. B. Alexeev [= Festuca vivipara auct. non (Linnaeus) Smith]  -  Viviparous Fescue - [NF, LAB]
Yankee Point. Limestone barrens. July 5, 1999. [Transparencies - René Charest ]
Developing Inflorescence, and Leaves
Leafy Plant in Habitat
Port au Choix. Limestone heath. July 27-29, 1999. [Transparencies - Beth Pollock]
Inflorescence
Inflorescences
Inflorescences
Whole Plants
Port au Choix. Limestone heath. July 29, 1999. [Transparencies - Nathalie Djan-Chékar]
Whole Plants
Whole Plants
Battle Harbour, Labrador. Townsite. July 31, 2003. [Digital - John Maunder]
Inflorescences, Closeup
Inflorescences
Inflorescences
Whole Plant

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Festuca prolifera (Piper) Fernald var. prolifera [= Festuca rubra L. subsp. rubra var. prolifera (Piper) Piper in B. L. Robinson]  -  Viviparous Red Fescue - [NF - RARE, LAB]
Yankee Point. Limestone barrens. July 5, 1999. [Transparencies - René Charest ]
Flowering Stems
Whole Plants

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Glyceria canadensis (Michaux) Trinius var. canadensis  -  Rattlesnake Mannagrass - [NF, LAB?]
Indian River. Above bridge over Springdale Highway. River floodplain. Gravels. July 24, 2002. [Digital - John Maunder]
Spikelets
Inflorescence
Flowering Stem
St. John's. Torbay Road area. Johnson Family Trail, south of arterial highway. Wet hollow at edge of coniferous woods. August 25, 2003. [Digital - John Maunder]
Spikelets
Spikelets
Spikelets
Inflorescence
Inflorescence
Shoe Cove, Pouch Cove. Shoe Cove Road. Wet ditch. September 9, 2002. [Digital - John Maunder]
Spikelets
Inflorescence
Whole Plants in Habitat

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Glyceria fluitans (Linnaeus) R. Brown  -  Floating Mannagrass, Floatgrass - [NF] [i]
St. John's. Bowring Park. Main river valley, southern portion. Wet depression in mixed woods. August 25, 2003. [Digital - John Maunder]
Spikelets
Spikelets
Spikelets
Spikelets
Spikelets
Spikelets
Whole Plants in Habitat

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Glyceria maxima (Hartman) F. O. Holmberg  -  Rough Mannagrass - [NF] [i]
St. John's. Kent's Pond. Pond margin, in water. June 2001. [Digital - John Maunder]
Extreme Closeup of Spikelets
Spikelets
Whole Plants in Habitat

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Glyceria striata (Lamarck) Hitchcock  -  Fowl Mannagrass, Nerved Mannagrass - [NF, LAB]
Gros Morne National Park. Lomond River Trail. Wet clearings in open coniferios woods. July 12, 2003. [Digital - John Maunder]
Spikelets
Spikelets
Flowering Stem
St. Barbe. Deep Cove Trail. Wettish edge of woods, near tidal beach. August 6, 2003. [Digital - John Maunder]
Spikelets
Inflorescence
Inflorescence

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Leymus mollis (Trinius) Pilger subsp. mollis  -  Strand Wheat, American Dunegrass - [NF, LAB]
Burgeo. Sandbanks Provincial Park. Dunes. July 15, 2002. [Digital - John Maunder]
Flowering Stems
Whole Plants in Habitat

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Lolium multiflorum Lamarck [= Lolium perenne L. subsp. multiflorum (Lamarck) Husnot]  -  Italian Ryegrass, Awned Ryegrass - [NF, LAB] [i]
Conception Bay Bypass Highway, at Spaniard's Bay Exit. Small stream below road embankment. October 26, 2002. [Digital - John Maunder]
Spikelets
Spikelets
Spikelets
Leaves

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Oryzopsis asperifolia Michaux  -  Whitegrain Mountainrice - [NF]
Northern Peninsula Highway. Just south of Cormack Junction. Disturbed roadside. July 12, 2003. [Digital - John Maunder]
Spikelets, Empty Glumes
Blow-me-down Mountain, Humber Arm. Serpentine-rich gravels. July 18, 2002. [Digital - John Maunder]
Spikelets
Spikelets
Spikelets
Spikelets
Inflorescence
Old Inflorescence
Whole Plant

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Panicum miliaceum Linnaeus subsp. miliaceum  -  Millet - [NF] [e]
Cupids. Cupids Pond. Disturbed gravel area near pond edge. October 27, 2002. [Digital - John Maunder]
Spikelets
Stem and Spikelets
Stem and Spikelets
Whole Plant

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Phalaris arundinacea Linnaeus  -  Reed Canarygrass - [NF]
St. John's. Nagle's Hill. Old meadows. July 22, 2001. [Both pink and green varieties] [Digital - John Maunder]
Flowering Stems
Whole Plants in Habitat

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Phleum alpinum Linnaeus  -  Alpine Timothy - [NF, LAB]
East of L'Anse-au-Loup, Labrador. Battery Trail. Weedy area in open, stunted, coniferios woods. August 4, 2003. [Digital - John Maunder]
Inflorescence
Inflorescence
Inflorescence

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Phleum pratense Linnaeus subsp. pratense  -  Common Timothy - [NF, LAB] [i]
Pasadena. Cross country ski trail. Old fields. July 17, 2002. [Digital - John Maunder]
Inflorescences
Inflorescence with Ctenucha Moth
Inflorescence with Ctenucha Moth
Shoe Cove, Pouch Cove. Shoe Cove Road. Roadside. September 24, 2002. [Digital - John Maunder]
Old Inflorescence
Old Inflorescence
Old Flowering Stems

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Phragmites australis (Cavanilles) Trinius ex Steudel subsp. australis  -  Common Reed - [NF] [i]
Stephenville. Near entrance to Indian Head Park. Wet depression near sea. July 11, 2003. [Digital - John Maunder]
Plants in Habitat
Plants in Habitat
Plants in Habitat
Trans Canada Highway, just north of northern Stephenville junction. East side of highway. Flooded depression below highway shoulder. Alder swamp. July 16, 2002. [Digital - John Maunder]
Old Inflorescence
Leaves and Stems
Leaf Bases and Stems
Whole Plants
Whole Plants in Habitat

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Poa alpina Linnaeus subsp. alpina  -  Alpine Bluegrass - [NF, LAB]
St. Paul's, Fishing Point. Shore meadows. July 14, 2003. [Digital - John Maunder]
Inflorescence
Leaves
Whole Plant
Just south of Raleigh-Quirpon Junction. Roadside gravels. July 22, 2002. [Digital - John Maunder]
Inflorescence
Leaves and Stem

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Poa cf. pratensis Linnaeus subsp. alpigena (Fries ex Blytt) Hiitonen  -  Kentucky Bluegrass - [NF, LAB]
Burgeo. Sandbanks Provincial Park. Disturbed grassy area. July 15, 2002. [Digital - John Maunder]
Spikelets
Inflorescence

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Setaria viridis (L.) (Linnaeus) P. Beauvois var. viridis  -  Green Foxtail - [NF] [i]
Spaniard's Bay. Base of gravel spit. Disturbed gravels. August 25, 2002. [Digital - John Maunder]
Inflorescence, Extreme Closeup
Inflorescence, Closeup
Inflorescence, Closeup
Inflorescence
Inflorescence
Whole Plant
St. John's. Duckworth Street, opposite Hill o' Chips. Sidewalk plant. October 17, 2003. [Digital - John Maunder]
Inflorescence
Inflorescence
Inflorescence, Top View
Inflorescence, Top View
Whole Plants

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Spartina alterniflora Loiseleur  -  Saltwater Cordgrass, Smooth Cordgrass - [NF - RARE]
Flat Bay. Tidal flats. August 17, 2000. [Transparencies - Nathalie Djan-Chékar]
Closeup of Inflorescence
Flowering Stems
Whole Plants
Plants in Habitat

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Spartina patens (Aiton) Muhlenberg  -  Saltmeadow Grass, Highwater Grass - [NF - RARE]
Flat Bay. Southwest side of embayment. Upper beach. August 17, 2000. [Transparencies - Nathalie Djan-Chékar]
Closeup of Inflorescences
Flowering Stems
Plants in Habitat
Northwest part of Big Barachois, south of J.T. Cheeseman Provincial Park. Edge of tidal flats. September 6, 2000. [Transparencies - Nathalie Djan-Chékar]
Closeup of Inflorescences
Closeup of Inflorescences
Inflorescences

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Spartina pectinata Link  -  Freshwater Cordgrass, Sloughgrass - [NF]
Upper Ferry. Between mixed woods and salt water. Within tidal range. July 23, 2003. [Digital - John Maunder]
Spikelets, Closeup
Spikelets
Spikelets
Spikelets
Spikelets
Inflorescence
Whole Plants in Habitat
Whole Plants in Habitat

Trisetum spicatum (Linnaeus) K. Richter  -  Narrow False Oats - [NF, LAB]
Burnt Cape. Limestone barrens. July 6, 2002 [Digital - John Maunder]
Whole Plant
Whole Plant
Bear Cove, Northern Peninsula. Gravel pit. Limestone area. Disturbed ground. July 12, 2002. [Digital - John Maunder]
Inflorescence
Inflorescence
Whole Plant
Burnt Cape. Limestone barrens. July 22, 2002. [Digital - John Maunder]
Inflorescence
Whole Plant
Whole Plant
East of L'Anse-au-Loup, Labrador. Battery Trail. Near edge of high cliffs. Alpine heath. August 4, 2003. [Digital - John Maunder]
Inflorescence
Inflorescences
Leaves
Whole Plants in Habitat

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