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Grasses of Puerto Rico

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The grass family Poaceae is the largest group of flowering plants present on the island of Puerto Rico. With 258 species, it represents 9% of all Angiosperms and 33% of all Monocots.

Contents

The following is a list of grass species known to exist in Puerto Rico, separated by genus:

Agrostis

Agrostis hyemalis

Andropogon

Andropogon bicornis Andropogon glomeratus Andropogon gracilis Andropogon leucostachyus Andropogon virginicus

Anthephora

Anthephora hermaphrodita

Aristida

Aristida adscensionis Aristida chaseae Aristida portoricensis Aristida refracta Aristida spiciformis Aristida suringarii Aristida swartziana

Arthraxon

Arthraxon castratus

Arthrostylidium

Arthrostylidium farctum Arthrostylidium multispicatum Arthrostylidium sarmentosum

Arundinella

Arundinella hispida

Arundo

Arundo donax

Avena

Avena sativa

Axonopus

Axonopus aureus Axonopus compressus Axonopus fissifolius

Bambusa

Bambusa multiplex Bambusa vulgaris

Bothriochloa

Bothriochloa ischaemum Bothriochloa pertusa Bothriochloa saccharoides

Bouteloua

Bouteloua americana Bouteloua juncea Bouteloua repens

Brachyelytrum

Brachyelytrum erectum

Cenchrus

Cenchrus brownii Cenchrus echinatus Cenchrus gracillimus Cenchrus myosuroides Cenchrus spinifex

Chloris

Chloris barbata Chloris ciliata Chloris cubensis Chloris elata Chloris radiata Chloris sagraeana

Chusquea

Chusquea abietifolia

Coix

Coix lacryma-jobi

Cymbopogon

Cymbopogon citratus Cymbopogon nardus

Cynodon

Cynodon dactylon Cynodon nlemfuensis

Dactylis

Dactylis glomerata

Dactyloctenium

Dactyloctenium aegyptium

Dichanthelium

Dichanthelium aciculare Dichanthelium acuminatum Dichanthelium dichotomum Dichanthelium leucothrix Dichanthelium ovale Dichanthelium sabulorum Dichanthelium scoparium Dichanthelium strigosum

Dichanthium

Dichanthium annulatum Dichanthium aristatum

Diectomis

Diectomis fastigiata Diectomis argillacea Diectomis bicornis Diectomis ciliaris Diectomis dolichophylla Diectomis eriantha Diectomis horizontalis Diectomis insularis Diectomis ischaemum Diectomis longiflora Diectomis nuda Diectomis panicea Diectomis sanguinalis Diectomis setigera Diectomis similis Diectomis villosa Diectomis violascens

Echinochloa

Echinochloa colona Echinochloa crus-galli Echinochloa crus-pavonis Echinochloa polystachya Echinochloa stagnina

Eleusine

Eleusine indica

Eragrostis

Eragrostis amabilis Eragrostis barrelieri Eragrostis ciliaris Eragrostis curvula Eragrostis elliottii Eragrostis glutinosa Eragrostis hypnoides Eragrostis pectinacea Eragrostis pilosa Eragrostis urbaniana

Eremochloa

Eremochloa ophiuroides

Eriochloa

Eriochloa polystachya Eriochloa punctata

Eriochrysis

Eriochrysis cayennensis

Euclasta

Euclasta condylotricha

Eustachys

Eustachys petraea

Gymnopogon

Gymnopogon foliosus

Gynerium

Gynerium sagittatum

Hackelochloa

Hackelochloa granularis

Heteropogon

Heteropogon contortus

Holcus

Holcus lanatus

Homolepis

Homolepis glutinosa

Hymenachne

Hymenachne amplexicaulis

Hyparrhenia

Hyparrhenia rufa

Hypogynium

Hypogynium virgatum

Ichnanthus

Ichnanthus nemorosus Ichnanthus pallens Ichnanthus tenuis

Imperata

Imperata brasiliensis Imperata contracta

Isachne

Isachne angustifolia

Lasiacis

Lasiacis divaricata Lasiacis grisebachii Lasiacis ligulata Lasiacis sloanei Lasiacis sorghoidea

Leersia

Leersia hexandra Leersia monandra

Leptochloa

Leptochloa fusca Leptochloa nealleyi Leptochloa panicea Leptochloa panicoides Leptochloa scabra Leptochloa virgata

Leptochloopsis

Leptochloopsis virgata

Leptocoryphium

Leptocoryphium lanatum

Lithachne

Lithachne pauciflora

Lolium

Lolium perenne

Melinis

Melinis minutiflora Melinis repens

Microstegium

Microstegium vimineum

Muhlenbergia

Muhlenbergia capillaris

Olyra

Olyra latifolia

Oplismenus

Oplismenus hirtellus

Oryza

Oryza latifolia Oryza sativa

Panicum

Panicum dichotomiflorum Panicum diffusum Panicum elephantipes Panicum ghiesbreghtii Panicum laxum Panicum miliaceum Panicum parvifolium Panicum rigidulum Panicum schiffneri Panicum stenodes Panicum stevensianum Panicum tenerum Panicum trichanthum Panicum trichoides Panicum venezuelae

Pappophorum

Pappophorum pappiferum

Paspalidium

Paspalidium chapmanii Paspalidium geminatum

Paspalum

Paspalum arundinaceum Paspalum bakeri Paspalum blodgettii Paspalum boscianum Paspalum caespitosum Paspalum clavuliferum Paspalum conjugatum Paspalum convexum Paspalum decumbens Paspalum densum Paspalum dilatatum Paspalum dispar Paspalum distichum Paspalum fasciculatum Paspalum fimbriatum Paspalum laxum Paspalum macrophyllum Paspalum maritimum Paspalum millegrana Paspalum minus Paspalum molle Paspalum notatum Paspalum orbiculatum Paspalum paniculatum Paspalum parviflorum Paspalum paucispicatum Paspalum pleostachyum Paspalum plicatulum Paspalum pulchellum Paspalum rupestre Paspalum secans Paspalum setaceum Paspalum urvillei Paspalum vaginatum Paspalum virgatum

Pennisetum

Pennisetum ciliare Pennisetum clandestinum Pennisetum glaucum Pennisetum polystachion Pennisetum purpureum

Pharus

Pharus lappulaceus Pharus latifolius Pharus parvifolius

Phragmites

Phragmites australis

Poa

Poa annua Poa pratensis

Polypogon

Polypogon viridis

Polytrias

Polytrias indica

Rottboellia

Rottboellia cochinchinensis

Saccharum

Saccharum bengalense Saccharum officinarum Saccharum spontaneum

Sacciolepis

Sacciolepis indica Sacciolepis striata

Schizachyrium

Schizachyrium brevifolium Schizachyrium sanguineum Schizachyrium tenerum

Setaria

Setaria barbata Setaria magna Setaria parviflora Setaria pradana Setaria rariflora Setaria setosa Setaria tenacissima Setaria utowanaea Setaria vulpiseta

Sorghastrum

Sorghastrum setosum Sorghastrum stipoides

Sorghum

Sorghum bicolor Sorghum halepense

Spartina

Spartina patens

Sporobolus

Sporobolus cubensis Sporobolus domingensis Sporobolus indicus Sporobolus pyramidatus Sporobolus tenuissimus Sporobolus virginicus

Stenotaphrum

Stenotaphrum secundatum

Themeda

Themeda arguens

Tragus

Tragus berteronianus

Tripsacum

Tripsacum fasciculatum Tripsacum latifolium

Triticum

Triticum aestivum

Urochloa

Urochloa adspersa Urochloa arrecta Urochloa brizantha Urochloa decumbens Urochloa distachya Urochloa fuscata Urochloa maxima Urochloa mosambicensis Urochloa mutica Urochloa plantaginea Urochloa reptans

Vetiveria

Vetiveria zizanioides

Vulpia

Vulpia bromoides

Zea

Zea mays

Zoysia

Zoysia matrella Zoysia tenuifolia

References

Grasses of Puerto Rico Wikipedia