Phragmites

The World Checklist of Selected Plant Families, maintained by Kew Garden in London, accepts the following four species:{{r|wcsp}}{{cite web|work=Plants of the World Online |title=Phragmites Adans. |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:30047775-2 |publisher=Royal Botanic Gardens, Kew |access-date=18 April 2023}}

• Phragmites australis (Cav.) Trin. ex Steud. – The cosmopolitan common reed
• Phragmites japonicus Steud. – Japan, Korea, Ryukyu Islands, Russian Far East
• Phragmites karka (Retz.) Trin. ex Steud. – tropical Africa, southern Asia, Australia, some Pacific Islands, invasive in New Zealand
• Phragmites mauritianus Kunth – central + southern Africa, Madagascar, Mauritius

File:Warming-Skudbygning-Fig10-Phragmites-australis.jpg, 1884)]]

Phragmites stands can provide food and shelter resources for a number of birds, insects, and other animals. Habitat benefits are often optimal when stands are thinner, and management of stands may promote more suitable habitat benefits.{{cite journal |date=2013 |last=Kiviat |first=E. |title=Ecosystem services of Phragmites in North America with emphasis on habitat functions |journal=AoB Plants |volume=5 |pages=plt008 |doi=10.1093/aobpla/plt008 |pmc=4104640 }} Some evidence suggests that a short term management rotation of 1–2 years could maximize bird and invertebrate numbers.{{Cite journal |last1=Valkama |first1=Elena |last2=Lyytinen |first2=Sami |last3=Koricheva |first3=Julia |date=2008-02-01 |title=The impact of reed management on wildlife: A meta-analytical review of European studies |url=https://www.sciencedirect.com/science/article/pii/S0006320707004429 |journal=Biological Conservation |language=en |volume=141 |issue=2 |pages=364–374 |doi=10.1016/j.biocon.2007.11.006 |bibcode=2008BCons.141..364V |issn=0006-3207}}

P. australis provides ecosystem services such as nutrient sequestration, soil stabilization, and waste treatment. It has been suggested that due to its resilience to climate change impacts, P. australis may provide beneficial ecosystem services that need to be considered in coastal ecosystems, even where it is considered an invasive species.{{Cite journal |last1=Cronin |first1=James T. |last2=Kiviat |first2=Erik |last3=Meyerson |first3=Laura A. |last4=Bhattarai |first4=Ganesh P. |last5=Allen |first5=Warwick J. |date=2016-09-01 |title=Biological control of invasive Phragmites australis will be detrimental to native P. australis |journal=Biological Invasions |language=en |volume=18 |issue=9 |pages=2749–2752 |doi=10.1007/s10530-016-1138-x |bibcode=2016BiInv..18.2749C |s2cid=254278334 |issn=1573-1464|url=https://digitalcommons.lsu.edu/biosci_pubs/942 }} Others have argued that the ecosystem services lost as a result of invasion outweigh the benefits gained and managers need to be responsive to invasion control.{{Cite journal |last1=Martin |first1=Laura J. |last2=Blossey |first2=Bernd |date=2009 |title=A Framework for Ecosystem Services Valuation |journal=Conservation Biology |volume=23 |issue=2 |pages=494–496 |doi=10.1111/j.1523-1739.2009.01192.x |jstor=29738751 |pmid=19323685 |bibcode=2009ConBi..23..494M |s2cid=33144863 |issn=0888-8892}}

P. australis is cultivated as an ornamental plant in aquatic and marginal settings such as pond- and lakesides. Its aggressive colonisation means it must be sited with care.{{cite web|title=RHS Plant Selector - Phragmites australis|url=http://apps.rhs.org.uk/plantselector/plant?plantid=1443|archive-url=https://archive.today/20130423215623/http://apps.rhs.org.uk/plantselector/plant?plantid=1443|archive-date=April 23, 2013|access-date=26 May 2013}}

{{Main|Constructed wetland}}

Phragmites australis is one of the main wetland plant species used for phytoremediation water treatment.

Waste water from lavatories and greywater from kitchens is routed to an underground septic tank-like compartment where the solid waste is allowed to settle out. The water then trickles through a constructed wetland or artificial reed bed, where bioremediation bacterial action on the surface of roots and leaf litter removes some of the nutrients in biotransformation. The water is then suitable for irrigation, groundwater recharge, or release to natural watercourses.

{{Main|Thatching}}

Reed is used in many areas for thatching roofs. In the British Isles, common reed used for this purpose is known as Norfolk reed or water reed. However, "wheat reed" and "Devon reed", also used for thatching, are not in fact reed, but long-stemmed wheat straw.{{citation needed|date=July 2019}}

File:Sipsi.jpg

File:Anchededoudouk.jpg, a relative of common reed, which itself is flattened to make the zurna reed.]]

In Middle East countries Phragmites is used to create a small instrument similar to the clarinet called a sipsi, with either a single, as in the picture, or double pipes as in bagpipes.{{Cite web |url=http://www.alamy.com/stock-photo-ankara-museum-of-anatolian-civilizations-anadolu-medeniyetleri-muzesi-28557878.html |title=hitite musician (second millennia B.C.) playing double sipsi |access-date=2016-01-17 |archive-date=2016-09-13 |archive-url=https://web.archive.org/web/20160913135735/http://www.alamy.com/stock-photo-ankara-museum-of-anatolian-civilizations-anadolu-medeniyetleri-muzesi-28557878.html }} The reed of the zurna is made from the common reed which is flattened after removing its brittle outer glaze and the loose inner membrane, and after softening it by wetting.{{cite web|url=http://www.fromnorway.net/yaylas/zurna/zurna_faq.htm#6|title=Norwegian food, recipes from Norway, Norwegian news and link directory fromnorway.net|website=www.fromnorway.net|archive-url=https://web.archive.org/web/20050912133009/http://www.fromnorway.net/yaylas/zurna/zurna_faq.htm#6|archive-date=2005-09-12}} The result is a double reed with an elliptical opening that vibrates by closing and opening at a high speed. This is not to be confused with other double reeds like that of the oboe which uses two reeds made from the giant reed leaning against each other.

The leaves, roots, seeds and stems of phragmites are edible.{{Cite web|title=Tambo / Phragmites vulgaris / COMMON REED, Lu gen: Philippine Medicinal Herbs / Philippine Alternative Medicine|url=http://www.stuartxchange.com/Tambo.html|access-date=2021-05-28|website=www.stuartxchange.com}} Young shoots can be cooked or eaten raw just like bamboo shoots. The young stems, "while still green and fleshy, can be dried and pounded into a fine powder, which when moistened is roasted like marshmallows." The seeds and rhizomes "can be ground into flour or made into gruel."Peterson, Lee, "A Field Guide to Edible Wild Plants of Eastern and Central North America", page 228, Houghton Mifflin Company, New York City, accessed the sixth of September, 2010.{{ISBN|0-395-20445-3}} In Japan, young leaves are dried, ground, and then mixed with cereal flour to make dumplings. Grazing on phragmites by large-bodied domestic herbivores, such as cows, horses, sheep, and goats, can effectively control the plant and provide a reciprocal positive benefit for humans by generating meat, milk, leather, and wool etc.{{Cite journal|last1=Silliman|first1=Brian R.|last2=Mozdzer|first2=Thomas|last3=Angelini|first3=Christine|last4=Brundage|first4=Jennifer E.|last5=Esselink|first5=Peter|last6=Bakker|first6=Jan P.|last7=Gedan|first7=Keryn B.|last8=van de Koppel|first8=Johan|last9=Baldwin|first9=Andrew H.|date=2014-09-23|title=Livestock as a potential biological control agent for an invasive wetland plant|journal=PeerJ|volume=2|pages=e567|doi=10.7717/peerj.567|issn=2167-8359|pmc=4178463|pmid=25276502 |doi-access=free }}

Some other uses for Phragmites australis and other reeds in various cultures include baskets, mats, reed pen tips (qalam), and paper.{{Cite web|title=Phragmites Australis - Plants can be made into Paper|url=https://www.maybabcock.com/blog/2020/8/25/phragmites-australis-plants-can-be-made-into-paper|access-date=2021-05-28|website=May Babcock, RI Artist|date=27 June 2013 |language=en-US}} Beekeepers can utilize the reeds to make nesting.{{Cite web|last=masonbeesforsale.com|title=Top Nesting Materials for Solitary Bees|url=https://masonbeesforsale.com/pages/top-nesting-materials-for-solitary-bees|access-date=2021-05-28|website=masonbeesforsale.com|language=en}}

In the Philippines, Phragmites is known by the local name tambo. Reed stands flower in December, and the blooms are harvested and bundled into whisk brooms called "walis". Hence the common name of household brooms is walis tambo.{{Cite web|last=Tagalog Lang|title=Tambo|url=https://www.tagaloglang.com/tambo/|website=Tagalog Language|date=11 October 2020}}

Reeds have been used to make arrowsWilliam C. Sturtevant (1978) Handbook of North American Indians: Great Basin, p. 269, Government Printing Office. {{ISBN|0160045819}}, 9780160045813. and weapons such as spears for hunting game.Unaipon, D. (2001) Legendary Tales of the Australian Aborigines, p. 138, The Miegunyah Press, Melbourne. {{ISBN|0-522-85246-7}}.

Some Phragmites, when introduced by accident or intent, spread rapidly. In tropics and subtropics, Phragmites karka is an abundant invasive species.{{Cite journal |last1=Nayak |first1=Soumya Shree |last2=Pradhan |first2=Seema |last3=Sahoo |first3=Dinabandhu |last4=Parida |first4=Ajay |date=2020-03-23 |title=De novo transcriptome assembly and analysis of Phragmites karka, an invasive halophyte, to study the mechanism of salinity stress tolerance |journal=Scientific Reports |language=en |volume=10 |issue=1 |page=5192 |doi=10.1038/s41598-020-61857-8 |issn=2045-2322 |pmc=7089983 |pmid=32251358|bibcode=2020NatSR..10.5192N }} In the United States, prior to 1910, only a few areas in the Northeast contained non-native haplotypes of Phragmites australis.{{Cite journal|last=Saltonstall|first=Kristin|date=2002-02-19|title=Cryptic invasion by a non-native genotype of the common reed, Phragmites australis, into North America|journal=Proceedings of the National Academy of Sciences|language=en|volume=99|issue=4|pages=2445–2449|doi=10.1073/pnas.032477999|issn=0027-8424|pmid=11854535|pmc=122384|bibcode=2002PNAS...99.2445S|doi-access=free}} However, by 1960 non-native haplotypes were found in samples taken from coast to coast. Today, in some places like Michigan, Phragmites australis (haplotype M) has become the dominant haplotype.{{Cite web|title=Great Lakes Phragmites Collaborative. Linking people, information & action|url=https://www.greatlakesphragmites.net/|access-date=2021-05-27|website=www.greatlakesphragmites.net}}{{Cite web|last=Gross|first=Bob|title=Groups battle invasive species at St. Johns Marsh|url=https://www.detroitnews.com/story/news/local/michigan/2017/03/05/wildlife-reeds/98791024/|access-date=2021-05-27|website=The Detroit News|language=en-US}} The problem is invasive non-native Phragmites australis quickly spread through marshes and wetland areas. They replace native plants, deny fish and wildlife nutrients and space; block access to the water for swimming, fishing and other recreation endeavors; spoil shoreline views; and pose a fire hazard.{{Cite web|title=Invasive Phragmites australis: What is it and why is it a problem?|url=https://www.canr.msu.edu/news/invasive_phragmites_australis_what_is_it_and_why_is_it_a_problem|access-date=2021-05-28|website=MSU Extension|date=22 November 2013 |language=en}} Phragmites also alters wetland biogeochemistry and affects both floral and faunal species assemblages,{{cite journal |first1=Amy |last1=Krzton-Presson |first2=Brett |last2=Davis |first3=Kirk |last3=Raper |first4=Katlyn |last4=Hitz |first5=Christopher |last5=Mecklin |first6=Howard |last6=Whiteman |date=2018 |title=Effects of Phragmites Management on the Ecology of a Wetland |journal=Northeastern Naturalist |volume=25 |issue=3 |pages=418–436 |doi=10.1656/045.025.0308 |s2cid=92089579 }} including potentially reducing nitrogen and phosphorus availability for other plants.{{Citation |last1=Meyerson |first1=Laura A. |title=Linking the Success of Phragmites to the Alteration of Ecosystem Nutrient Cycles |date=2000 |work=Concepts and Controversies in Tidal Marsh Ecology |pages=827–844 |editor-last=Weinstein |editor-first=Michael P. |place=Dordrecht |publisher=Springer Netherlands |language=en |doi=10.1007/0-306-47534-0_36 |isbn=978-0-306-47534-4 |last2=Vogt |first2=Kristiina A. |last3=Chambers |first3=Randolph M. |editor2-last=Kreeger |editor2-first=Daniel A.}}

Phragmites can drive out competing vegetation in two main ways. Their sheer height and density can deprive other plants of sunlight and the chemicals they produce when decaying reduce the germination of competing seeds.{{Cite journal|last1=Uddin|first1=Md N.|last2=Robinson|first2=Randall W.|last3=Caridi|first3=Domenic|date=2014-01-02|title=Phytotoxicity induced by Phragmites australis: an assessment of phenotypic and physiological parameters involved in germination process and growth of receptor plant|journal=Journal of Plant Interactions|volume=9|issue=1|pages=338–353|doi=10.1080/17429145.2013.835879|issn=1742-9145|doi-access=free|bibcode=2014JPlaI...9..338U }} Among other effects, the monocultures that result from invasion decrease spatial and temporal habitat heterogeneity and increase avian homogeneity.{{cite journal |last1=Robichaud |first1=C.D. |last2=Rooney |first2=R.C. |date=2022 |title=Invasive grass causes biotic homogenization in wetland birds in a Lake Erie coastal marsh |journal=Hydrobiologia |volume=849 |issue=14 |pages=3197–3212 |doi=10.1007/s10750-022-04925-6 |bibcode=2022HyBio.849.3197R |s2cid=235747992 }}

File:Reedbeach edit1.JPG, now overrun with Phragmites reeds]]{{clear}}

Recognizing the non-native form of Phragmites early in its invasion increases the opportunity for successful eradication dramatically. Once it has become established, removal by hand is nearly impossible. The seeds or rhizomes can quickly lead to a new dense stand. Chemical treatment is by far the most utilized method in North America.https://www.greatlakesphragmites.net/management/techniques/ The two most common active ingredients in herbicides for Phragmites control are glyphosate and imazapyr.{{cite journal |title=Phragmites australis management in the United States: 40 years of methods and outcomes |first1=Eric L. G. |last1=Hazelton |first2=Thomas J. |last2=Mozdzer |first3=David M. |last3=Burdick |first4=Karin M. |last4=Kettenring |author-link4=Karin M. Kettenring |first5=Dennis F. |last5=Whigham |journal=AoB Plants |volume=6 |date=2014 |doi=10.1093/aobpla/plu001 |pmid=24790122 |pmc=4038441 }}{{Cite web|title=Phragmites Control: Easily Kill Phragmites in your Pond or Lake|url=https://www.lakerestoration.com/t-phragmites-control.aspx|access-date=2021-05-28|website=www.lakerestoration.com}} It is important to select the proper herbicide for the location. Further, even the proper herbicide can lead to unintended consequences since a large amount of decaying dead plant material can depress oxygen levels in the water and kill all the fish in a pond or small lake. Some success has also been obtained using goats to graze on Phragmites,{{Cite web|last=Network|first=Crystal Gammon for Yale Environment 360, part of The Guardian Environment|date=2014-10-22|title=Are goats the answer to the reed choking US east coast marshes?|url=http://www.theguardian.com/environment/2014/oct/22/are-goats-the-answer-to-the-reed-choking-us-east-coast-marshes|access-date=2021-05-28|website=The Guardian|language=en}} controlled burns, and native wild rice crops.{{Cite web|date=2020-10-05|title=Welcome Surprise: Wild Rice Seems to Deter Phragmites on Harsens Island|url=https://wgrt.com/welcome-surprise-wild-rice-seems-to-deter-phragmites-on-harsens-island/|access-date=2021-05-28|website=WGRT|language=en-US}} Biological controls have been suggested to be the most likely control method to succeed and biocontrols have been approved for introduction in North America {{cite journal |display-authors=et al |author=Blossey, B. |author2=Endriss, S.B. |author3=Casagrande, R. |date=2020 |title=When misconceptions impede best practices: evidence supports biological control of invasive Phragmites |journal=Biological Invasions |volume=22 |issue=3 |pages=873–883 |doi=10.1007/s10530-019-02166-8 |s2cid=208650152 |doi-access=free |bibcode=2020BiInv..22..873B }} Unfortunately, biocontrols may destroy the native subspecies population as well. When cutting under water, cutting and then flooding, or burning and then flooding, it is important that the entire Phragmites stand is completely submerged so that the plants cannot obtain oxygen.

Biocontrol using two species of moth larvae (Lenisa geminipuncta and Archanara neurica) is being investigated in Ontario.{{cite web |last1=Chandler |first1=Justin |title=Ontario scientists are using caterpillars to combat an invasive aquatic plant |url=https://www.cbc.ca/news/canada/hamilton/phragmites-control-1.7216345 |website=CBC News |access-date=28 May 2024}}

Image:Riet Phragmites australis planten.jpg|Reed growth in early summer

Image:Phragmites_snow_ehm.jpg|Common reed in winter, Sudbury, Massachusetts, US

Image:Phragmites in Amsterdam 2013.JPG|Phragmites in Amsterdam, Netherlands

Image:Phragmites_at_Farmington_Bay,_Utah.jpg| Phragmites in Farmington, Utah{{cite web|url=http://invasive-greatsaltlake.weebly.com/|title=Phragmites in Great Salt Lake|website=Phragmites in Great Salt Lake}}

Image:Phragmites australis - NASA Tracks an Environmental Invader (48049936657).jpg| Phragmites australis in the Great Lakes

• Constructed wetland
• Meadow
• Fen Meadow
• Deben Estuary
• Phytoremediation
• Reed bed
• Reed boat
• Reed fields
• Reed mat

{{Reflist|refs=

{{cite web |title=Search: Phragmites |url=https://wcsp.science.kew.org/ |website=World Checklist of Selected Plant Families (WCSP) |access-date=22 July 2020}}

}}

• [https://www.invasivespeciesinfo.gov/aquatic/plants/common-reed Common Reed (Phragmites) Species Profile], National Invasive Species Information Center, U.S. Department of Agriculture National Agricultural Library

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Category:Molinieae

Category:Poaceae genera

Category:Edible plants

Category:Halophytes

Category:Phytoremediation plants

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