{{Short description|Genus of flowering plants in the sedge family}} {{Automatic taxobox |image = Eriophorum Cotton Grass.JPG |image_caption = ''Eriophorum vaginatum'' |taxon = Eriophorum |authority = L.{{r|IPNI:13751-1}} |type_species = ''Eriophorum vaginatum'' |type_species_authority = L.{{r|Tropicos}} |synonyms = {{Collapsible list |title=Heterotypic synonyms |{{Species list |Eriophoropsis |Palla |Leucoma |Ehrh. |Linagrostis |Guett. |Plumaria |Bubani |Plumaria |Heist. ex Fabr. }}}} |synonyms_ref = {{r|POWO:13751-1}} }}
'''''Eriophorum''''' ('''cottongrass''', '''cotton-grass''' or '''cottonsedge''') is a genus of flowering plants in the family Cyperaceae, the sedge family. They are found in the cool temperate, alpine, and Arctic regions of the Northern Hemisphere, primarily in the middle latitudes of North America, Europe, and Asia.
==Description== ''Eriophorium'' species are perennial herbaceous plants that persist by means of underground rhizomes.{{r|FNA:112065|FoC:112065}} Stems (called culms) grow singly or in clumps (i.e., cespitose). Both basal leaves and stem leaves are present, although the latter are bladeless in some species. The terminal inflorescence is either a single erect spikelet or multiple spikelets on peduncles of various lengths. In the case of multiple spikelets, the inflorescence is subtended by one or more leaf-like bracts. Individual flowers have 10 or more smooth perianth bristles that greatly elongate and remain attached to the achene during fruiting. The bristles facilitate seed dispersal by wind. In cold Arctic regions, the bristles also serve as insulation by trapping solar radiation and thereby increasing the temperature of the reproductive organs.{{r|Crawford 1989}}
Identification keys often begin with a pair of alternatives that implicitly divide the genus into two mutually exclusive sections:{{r|FNA:112065|FoC:112065|MFO|Go Botany}}
* ''Eriophorum'' section ''Vaginata'': one erect spikelet; no leaf-like bracts at the base of the inflorescence; stem leaves absent or, if present, either bladeless or with blade not more than 1 cm long * ''Eriophorum'' section ''Phyllanthela'': multiple spikelets (rarely one); one or more leaf-like bracts at the base of the inflorescence; uppermost stem leaf with a blade at least 1 cm long
Besides the number of spikelets and the presence of bracts and stem leaves, other characters may be used for identification, including: the length of the uppermost leaf blade relative to its sheath; the number of bracts (0, 1, or more than 1); the length and orientation of the bracts; the length of the peduncles; and the color of the bristles.
==Taxonomy== In the first edition of ''Species Plantarum'' published in 1753, the Swedish botanist Carl Linnaeus established genus ''Eriophorum'' by recognizing four species: ''Eriophorum vaginatum'', ''Eriophorum polystachion'', ''Eriophorum virginicum'', and ''Eriophorum alpinum''.{{r|IPNI:13751-1}}{{sfnp|Linnaeus|1753|loc=[https://www.biodiversitylibrary.org/page/358071#page/64/mode/1up Vol. 1, pp. 52–53]}} In the second edition published in 1762, Linnaeus added a fifth species, ''Eriophorum cyperinum''.{{sfnp|Linnaeus|1762|loc=[https://www.biodiversitylibrary.org/page/11628531#page/92/mode/1up Vol. 1, pp. 76–77]}} The name ''Eriophorum'' {{small|L.}} is the primary generic name in use today.{{r|POWO:13751-1|WFO}} Although the names of some of the species have changed, the number of recognized taxa in genus ''Eriophorum'' has remained more-or-less the same since 1994.{{sfnp|Novoselova|1994a}}{{sfnp|Novoselova|1994b}}
In the fifth edition of ''Genera Plantarum'' published in 1754 (intended to accompany the first edition of ''Species Plantarum''), Linnaeus referenced the prior work of the Italian botanist Pier Antonio Micheli and the French botanist Joseph Pitton de Tournefort.{{sfnp|Linnaeus|1754|loc=[https://www.biodiversitylibrary.org/item/14678#page/62/mode/1up p. 27]}} In 1729, Micheli described genus ''Linagrostis'', including an illustration of an unidentified plant.{{sfnp|Micheli|1729|loc=[https://bibdigital.rjb.csic.es/viewer/11953/?offset=#page=77&viewer=picture&o=bookmark&n=0&q= p. 53], [https://bibdigital.rjb.csic.es/viewer/11953/?offset=#page=289&viewer=picture&o=bookmark&n=0&q= Tab. 31]}} (The plant was later identified to be ''Eriophorum vaginatum''.{{sfnp|Fernald|1905b|loc=[https://www.biodiversitylibrary.org/page/562632#page/134/mode/1up p. 129]}}) Tournefort coined the French name ''Linaigrette'' (Latin: ''Linagrostis'') in 1694,{{sfnp|Tournefort|1694}} but his contribution became better known in Europe when his book was translated to Latin in 1719.{{sfnp|Tournefort|Jussieu|1719|loc=[https://www.google.com/books/edition/Josephi_Pitton_Tournefort_Aquisextiensis/ujMVAAAAQAAJ?hl=en&gbpv=1&bsq=linagrostis p. 664]}}
The French naturalist and mineralogist Jean-Étienne Guettard resurrected the pre-Linnaean name ''Linagrostis'' in 1750, and again in 1754, but ''Linagrostis'' {{small|Guett.}} is regarded as a synonym for ''Eriophorum'' {{small|L.}}{{r|IPNI:13878-1|POWO:13878-1}} After Guettard, the name ''Linagrostis'' was redescribed by numerous botanists, including John Hill (1756), Johann Gottfried Zinn (1757), and Giovanni Antonio Scopoli (1771),{{r|IPNI:13876-1|IPNI:13877-1|IPNI:13875-1}} but all three published illegitimate names since ''Linagrostis'' {{small|Guett.}} takes precedence. Scopoli's description of ''Linagrostis'' {{small|Tourn. ex Scop.}} is notable, however, since it is explicitly based on the early work of Tournefort.{{sfnp|Scopoli|1772|loc=[https://www.biodiversitylibrary.org/page/58202542#page/125/mode/1up p. 47]}} The names ''Linagrostis vaginata'' {{small|(L.) Scop.}}, ''Linagrostis alpina'' {{small|(L.) Scop.}}, and ''Linagrostis polystachia'' {{small|(L.) Scop.}} are synonyms for the corresponding names introduced by Linnaeus in 1753.{{r|POWO:310258-1|POWO:310255-1|POWO:310257-1}}
The Austrian botanist and mycologist Eduard Palla established genus ''Eriophoropsis'' in 1896 by segregating ''Eriophorum virginicum'' into a new genus.{{r|IPNI:295913-2}} The name ''Eriophoropsis'' {{small|Palla}} is both a synonym for ''Eriophorum'' {{small|L.}} and the basionym of ''Eriophorum'' subgen. ''Eriophoropsis'' {{small|(Palla) Raymond}}, the latter described by the Canadian botanist Louis-Florent-Marcel Raymond in 1954.{{r|POWO:295913-2|IPNI:77347168-1}}
===Species=== {{As of|2025|09}}, the following species are accepted by Plants of the World Online (POWO):{{r|POWO:13751-1}}
{| class="wikitable" |- ! style="width: 20em; text-align: left" | Name/Author ! style="width: 5em; text-align: center" | Year described ! style="width: 5em; text-align: center" | Year published ! style="text-align: center" | Group ! style="text-align: left" | Distribution |- | style="text-align: left; vertical-align: top" | ''Eriophorum angustifolium'' {{small|Honck.}} | style="text-align: center; vertical-align: top" | 1782 | style="text-align: center; vertical-align: top" | 1782 | style="text-align: center; vertical-align: top" | Multispicate | style="text-align: left" | Widespread across Europe, Asia, North America |- | style="text-align: left; vertical-align: top" | ''Eriophorum arcticum'' {{small|(M.S.Novos.) Schekhovts.}} | style="text-align: center; vertical-align: top" | 1994 | style="text-align: center; vertical-align: top" | 2023 | style="text-align: center; vertical-align: top" | Unispicate | style="text-align: left" | Siberia |- | style="text-align: left; vertical-align: top" | ''Eriophorum brachyantherum'' {{small|Trautv. & C.A.Mey.}} | style="text-align: center; vertical-align: top" | 1856 | style="text-align: center; vertical-align: top" | 1856 | style="text-align: center; vertical-align: top" | Unispicate | style="text-align: left" | Scandinavia, northern Russia, Mongolia, Korea, Alaska, northern Canada |- | style="text-align: left; vertical-align: top" | ''Eriophorum callitrix'' {{small|Cham. ex C.A.Mey.}} | style="text-align: center; vertical-align: top" | 1831 | style="text-align: center; vertical-align: top" | 1831 | style="text-align: center; vertical-align: top" | Unispicate | style="text-align: left" | Siberia, Russian Far East, Alaska, Canada, Greenland, Montana, Wyoming |- | style="text-align: left; vertical-align: top" | ''Eriophorum chamissonis'' {{small|C.A.Mey.}} | style="text-align: center; vertical-align: top" | 1831 | style="text-align: center; vertical-align: top" | 1831 | style="text-align: center; vertical-align: top" | Unispicate | style="text-align: left" | Siberia, Russian Far East, Korea, Mongolia, Alaska, Canada, Greenland, northern and western United States |- | style="text-align: left; vertical-align: top" | ''Eriophorum gracile'' {{small|Roth}}{{r|IPNI:307364-1}} | style="text-align: center; vertical-align: top" | 1799 | style="text-align: center; vertical-align: top" | 1799 | style="text-align: center; vertical-align: top" | Multispicate | style="text-align: left" | Much of Europe; northern and Central Asia; China, Tibet, Mongolia, Alaska, Canada, northern United States |- | style="text-align: left; vertical-align: top" | ''Eriophorum humile'' {{small|Turcz.}} | style="text-align: center; vertical-align: top" | 1838 | style="text-align: center; vertical-align: top" | 1838 | style="text-align: center; vertical-align: top" | Unispicate | style="text-align: left" | Altai, Tuva, Kazakhstan, Mongolia, Amur |- | style="text-align: left; vertical-align: top" | ''Eriophorum latifolium'' {{small|Hoppe}} | style="text-align: center; vertical-align: top" | 1800 | style="text-align: center; vertical-align: top" | 1800 | style="text-align: center; vertical-align: top" | Multispicate | style="text-align: left" | Much of Europe; Caucasus, Turkey, Mongolia |- | style="text-align: left; vertical-align: top" | ''Eriophorum scheuchzeri'' {{small|Hoppe}} | style="text-align: center; vertical-align: top" | 1800 | style="text-align: center; vertical-align: top" | 1800 | style="text-align: center; vertical-align: top" | Unispicate | style="text-align: left" | Much of Europe; northern and Central Asia including Siberia, Xinjiang, Himalayas, Alaska, Greenland, Canada, mountains of western United States |- | style="text-align: left; vertical-align: top" | ''Eriophorum tenellum'' {{small|Nutt.}} | style="text-align: center; vertical-align: top" | 1818 | style="text-align: center; vertical-align: top" | 1818 | style="text-align: center; vertical-align: top" | Multispicate | style="text-align: left" | Eastern Canada and northeastern United States from Nunavut and Labrador to New Jersey |- | style="text-align: left; vertical-align: top" | ''Eriophorum tolmatchevii'' {{small|M.S.Novos.}} | style="text-align: center; vertical-align: top" | 1994 | style="text-align: center; vertical-align: top" | 1994 | style="text-align: center; vertical-align: top" | Unispicate | style="text-align: left" | Krasnoyarsk, Yakutiya |- | style="text-align: left; vertical-align: top" | ''Eriophorum transiens'' {{small|Raymond}} | style="text-align: center; vertical-align: top" | 1959 | style="text-align: center; vertical-align: top" | 1959 | style="text-align: center; vertical-align: top" | Multispicate | style="text-align: left" | Guizhou |- | style="text-align: left; vertical-align: top" | ''Eriophorum triste'' {{small|(Th.Fr.) Hadac & Á.Löve}} | style="text-align: center; vertical-align: top" | 1869 | style="text-align: center; vertical-align: top" | 1950 | style="text-align: center; vertical-align: top" | Multispicate | style="text-align: left" | Finland, North America and temperate regions of Asia |- | style="text-align: left; vertical-align: top" | ''Eriophorum vaginatum'' {{small|L.}} | style="text-align: center; vertical-align: top" | 1753 | style="text-align: center; vertical-align: top" | 1753 | style="text-align: center; vertical-align: top" | Unispicate | style="text-align: left" | Widespread across Europe, Asia, North America |- | style="text-align: left; vertical-align: top" | ''Eriophorum virginicum'' {{small|L.}} | style="text-align: center; vertical-align: top" | 1753 | style="text-align: center; vertical-align: top" | 1753 | style="text-align: center; vertical-align: top" | Multispicate | style="text-align: left" | Eastern North America from Labrador to Tennessee, west to Michigan |- | style="text-align: left; vertical-align: top" | ''Eriophorum viridicarinatum'' {{small|(Engelm.) Fernald}} | style="text-align: center; vertical-align: top" | 1844 | style="text-align: center; vertical-align: top" | 1905 | style="text-align: center; vertical-align: top" | Multispicate | style="text-align: left" | Canada including Arctic territories; northern United States |}
The following natural hybrids are also accepted by POWO:
{| class="wikitable" |- ! style="width: 20em; text-align: left" | Name/Author<br />(hybrid formula) ! style="width: 5em; text-align: center" | Year described ! style="width: 5em; text-align: center" | Year published ! style="text-align: left" | Distribution |- | style="text-align: left" | ''Eriophorum'' × ''beringianum'' {{small|Raymond}}<br />(''E. angustifolium'' × ''E. chamissonis'') | style="text-align: center; vertical-align: top" | 1957 | style="text-align: center; vertical-align: top" | 1957 | style="text-align: left; vertical-align: top" | Alaska including Aleutians; Magadan region of Russia |- | style="text-align: left" | ''Eriophorum'' × ''churchillianum'' {{small|Lepage}}<br />(''E. triste'' × ''E. vaginatum'') | style="text-align: center; vertical-align: top" | 1957 | style="text-align: center; vertical-align: top" | 1957 | style="text-align: left; vertical-align: top" | Alaska |- | style="text-align: left" | ''Eriophorum'' × ''fellowsii'' {{small|(Fernald) M.S.Novos.}}<br />(''E. virginicum'' × ''E. viridicarinatum'') | style="text-align: center; vertical-align: top" | 1905 | style="text-align: center; vertical-align: top" | 1995 | style="text-align: left; vertical-align: top" | Ontario, Maine, Massachusetts |- | style="text-align: left" | ''Eriophorum'' × ''gracilifolium'' {{small|M.S.Novos.}}<br />(''E. gracile'' × ''E. latifolium'') | style="text-align: center; vertical-align: top" | 1994 | style="text-align: center; vertical-align: top" | 1994 | style="text-align: left; vertical-align: top" | European Russia |- | style="text-align: left" | ''Eriophorum'' × ''medium'' {{small|Andersson}}<br />(''E. chamissonis'' × ''E. scheuchzeri'') | style="text-align: center; vertical-align: top" | 1857 | style="text-align: center; vertical-align: top" | 1857 | style="text-align: left; vertical-align: top" | Scattered locations in Finland, Norway, Russia, Alaska, Quebec, Labrador |- | style="text-align: left" | ''Eriophorum'' × ''pylaieanum'' {{small|Raymond}}<br />(''E. chamissonis'' × ''E. vaginatum'') | style="text-align: center; vertical-align: top" | 1951 | style="text-align: center; vertical-align: top" | 1951 | style="text-align: left; vertical-align: top" | Scattered locations in Canada and Alaska |- | style="text-align: left" | ''Eriophorum'' × ''rousseauianum'' {{small|Raymond}}<br />(''E. angustifolium'' × ''E. scheuchzeri'') | style="text-align: center; vertical-align: top" | 1950 | style="text-align: center; vertical-align: top" | 1950 | style="text-align: left; vertical-align: top" | Alaska, Quebec |}
World Flora Online (WFO) accepts all of the above species and hybrids except ''Eriophorum arcticum''.{{r|WFO}} In addition, WFO accepts ''Eriophorum'' × ''polystachiovaginatum'' whereas POWO does not.
====Other names==== Of the five species described by Linnaeus in 1753 and 1762, three of the names are no longer in use. ''Eriophorum polystachion'' {{small|L.}} is a rejected name,{{r|FNA:242357811|FoC:242357811}} now considered to be a synonym for ''Eriophorum angustifolium'' {{small|Honck.}} subsp. ''angustifolium'',{{r|POWO:332128-2}} while ''Eriophorum alpinum'' {{small|L.}} and ''Eriophorum cyperinum'' {{small|L.}} are synonyms for ''Trichophorum alpinum'' {{small|(L.) Pers.}} and ''Scirpus cyperinus'' {{small|(L.) Kunth}}, respectively.{{r|POWO:95694-2|POWO:276737-2}}
The Swedish mycologist and botanist Elias Magnus Fries described ''Eriophorum russeolum'' in 1836.{{r|IPNI:307401-1}} Some authors consider ''Eriophorum russeolum'' {{small|Fr.}} to be a synonym for ''Eriophorum chamissonis'' {{small|C.A.Mey.}},{{r|FNA:242357816|POWO:307401-1}} while others consider the two names to refer to separate species.{{sfnp|Raymond|1954}}{{r|Euro+Med|USDA:ERIOP|BONAP-state-genus}}
In 1942, the American agrostologist and botanist Alan Ackerman Beetle placed the species ''Scirpus criniger'' {{small|A.Gray}} into genus ''Eriophorum''.{{r|IPNI:95720-2}} In 2012, ''Eriophorum crinigerum'' {{small|(A.Gray) Beetle}} was segregated into genus ''Calliscirpus'', and so ''Eriophorum crinigerum'' is a synonym for ''Calliscirpus criniger'' {{small|(A.Gray) C.N.Gilmour, J.R.Starr & Naczi}}.{{r|POWO:95720-2}}
In 1957, the Canadian botanist Louis-Florent-Marcel Raymond placed the species ''Scirpus scabriculmis'' {{small|Beetle}} into genus ''Eriophorum''.{{r|IPNI:307402-1}} In 2019, ''Eriophorum scabriculme'' {{small|(Beetle) Raymond}} was segregated into genus ''Trichophorum''.{{sfnp|Starr|Léveillé-Bourret|Vu|Nguyên|2019|pages=20–25}} Hence ''Eriophorum scabriculme'' is a synonym for ''Trichophorum scabriculme'' {{small|(Beetle) J.R.Starr, Lév.-Bourret & B.A.Ford}}.{{r|POWO:307402-1}}
The invalidly published name ''Eriophorum'' × ''polystachiovaginatum'' {{small|Beauverd}} is a synonym for ''Eriophorum'' × ''beauverdii'' {{small|Soó}} but the latter is unplaced by POWO.{{r|POWO:307339-1}}
===Subdivision=== In 1849, the Swedish botanist Nils Johan Andersson placed the European species of ''Eriophorum'' into two new sections:{{sfnp|Andersson|1849|loc=[https://www.biodiversitylibrary.org/page/15347404#page/27/mode/1up pp. 11–14]}}
{{columns-start}} ''Eriophorum'' section ''Vaginata'':{{r|IPNI:77346770-1}} * ''Eriophorum vaginatum'' * ''Eriophorum capitatum'' (a synonym for ''Eriophorum scheuchzeri'') * ''Eriophorum russeolum'' (a synonym for ''Eriophorum chamissonis'') {{column}} ''Eriophorum'' section ''Phyllanthela'':{{r|IPNI:77346771-1}} * ''Eriophorum angustifolium'' * ''Eriophorum latifolium'' * ''Eriophorum gracile'' {{columns-end}}
In 1905, the American botanist Merritt Lyndon Fernald placed the North American species of ''Eriophorum'' into Andersson's sections as follows:{{sfnp|Fernald|1905a}}
{{columns-start}} ''Eriophorum'' section ''Vaginata'': * ''Eriophorum scheuchzeri'' * ''Eriophorum chamissonis'' * ''Eriophorum vaginatum'' * ''Eriophorum callitrix'' * ''Eriophorum opacum'' ''n. comb.'' (a synonym for ''Eriophorum brachyantherum'') {{column}} ''Eriophorum'' section ''Phyllanthela'': * ''Eriophorum gracile'' * ''Eriophorum tenellum'' * ''Eriophorum polystachion'' (a synonym for ''Eriophorum angustifolium'') * ''Eriophorum viridicarinatum'' ''n. comb.'' * ''Eriophorum virginicum'' {{columns-end}}
===Phylogeny=== Based on phylogenetic analyses, ''Eriophorum'' forms a well‐supported clade nested within the genus ''Scirpus'', which suggests the latter is paraphyletic. To resolve this issue, there are at least two options: 1) merge ''Eriophorum'' into ''Scirpus'', or 2) split ''Scirpus'' into a series of new genera. {{As of|2024|08}}, there has been insufficient data for a majority of botanists to prefer one option or the other.{{sfnp|Léveillé-Bourret|2018|pages=7,36–37,42,222}}{{sfnp|Larridon|Zuntini|Léveillé-Bourret|Barrett|2021|pages=873}}
''Eriophorum virginicum'', ''Eriophorum tenellum'', and ''Eriophorum gracile'' form a strongly supported clade that is sister to the rest of the genus. The clade is distinguished by having glumes (scales at the base of each flower in a spikelet) with many prominent nerves, whereas the glumes of the remaining species possess a single prominent midnerve.{{sfnp|Léveillé-Bourret|2018|pages=28,35–36,42}}
Within a weakly supported clade of unispicate species (i.e., species with a single spikelet), ''Eriophorum russeolum'' and ''Eriophorum scheuchzeri'' form a strongly supported, monophyletic species complex characterized by a rhizomatous habit, up to 7 sterile glumes, and by glumes with well-defined hyaline margins (i.e., with thin, translucent edges). In contrast, in the sister clade to this complex (''Eriophorum vaginatum'', ''Eriophorum brachyantherum'', and ''Eriophorum callitrix'') each species has a caespitose habit and more than 12 sterile glumes that generally lack clear hyaline margins.{{sfnp|Léveillé-Bourret|2018|pages=28,35–36,42}}
==Distribution and habitat== ''Eriophorum'' species are found in the cool temperate, alpine, and Arctic regions of the Northern Hemisphere,{{r|FNA:112065|FoC:112065}} primarily in the middle latitudes of North America, Europe, and Asia.
* North America: ''E.'' ''angustifolium'', ''E.'' ''brachyantherum'', ''E.'' ''callitrix'', ''E.'' ''chamissonis'', ''E.'' ''gracile'', ''E.'' ''scheuchzeri'', ''E.'' ''tenellum'', ''E.'' ''triste'', ''E.'' ''vaginatum'', ''E.'' ''virginicum'', ''E.'' ''viridicarinatum'' * Europe: ''E.'' ''angustifolium'', ''E.'' ''brachyantherum'', ''E.'' ''chamissonis'', ''E.'' ''gracile'', ''E.'' ''latifolium'', ''E.'' ''scheuchzeri'', ''E.'' ''triste'', ''E.'' ''vaginatum'' * Asia: ''E.'' ''angustifolium'', ''E.'' ''arcticum'', ''E.'' ''brachyantherum'', ''E.'' ''callitrix'', ''E.'' ''chamissonis'', ''E.'' ''gracile'', ''E.'' ''humile'', ''E.'' ''latifolium'', ''E.'' ''scheuchzeri'', ''E.'' ''tolmatchevii'', ''E.'' ''transiens'', ''E.'' ''triste'', ''E.'' ''vaginatum''
Preferred habitats include bogs, fens, meadows, and alpine tundra.{{Citation needed|date=September 2024}}
==Uses== Paper and the wicks of candles have been made of its fiber, and pillows stuffed with the same material. The leaves were formerly used in treating diarrhea, and the spongy pith of the stem for the removal of tapeworm.<ref>{{Cite Collier's|wstitle=Cotton-Grass|short=x|vb=x}}</ref>
==References== {{Reflist|40em|refs=
<ref name="BONAP-state-genus">{{BONAP |genus=Eriophorum |state=1 |date=2014 |access-date=27 August 2024}}</ref>
<ref name="Crawford 1989">{{cite book |last=Crawford |first=R. M. M. |title=Studies in Plant Survival |year=1989 |publisher=Blackwell Science |pages=54–55}}</ref>
<ref name="Euro+Med">{{cite web |last1=Jiménez-Mejías |first1=P. |last2=Luceño |first2=M. |title=''Eriophorum'' |date=2011 |url=https://europlusmed.org/cdm_dataportal/taxon/29c73b19-80f2-4129-9911-171b582318aa |website=Euro+Med Plantbase |access-date=14 September 2024}}</ref>
<ref name="FNA:112065">{{eFloras|1|112065|Eriophorum |family=Cyperaceae |first1=Peter W. |last1=Ball |first2=Daniel E. |last2=Wujek |access-date=20 August 2024}}</ref> <ref name="FNA:242357811">{{eFloras|1|242357811|Eriophorum angustifolium |family=Cyperaceae |first1=Peter W. |last1=Ball |first2=Daniel E. |last2=Wujek |access-date=22 August 2024}}</ref> <ref name="FNA:242357816">{{eFloras|1|242357816|Eriophorum chamissonis |family=Cyperaceae |first1=Peter W. |last1=Ball |first2=Daniel E. |last2=Wujek |access-date=30 August 2024}}</ref>
<ref name="FoC:112065">{{eFloras|2|112065|Eriophorum |family=Cyperaceae |first1=Prof. Song-Yun |last1=Liang |first2=Gordon C. |last2=Tucker |first3=David A. |last3=Simpson |access-date=20 August 2024}}</ref> <ref name="FoC:242357811">{{eFloras|2|242357811|Eriophorum angustifolium |family=Cyperaceae |first1=Prof. Song-Yun |last1=Liang |first2=Gordon C. |last2=Tucker |first3=David A. |last3=Simpson |access-date=14 September 2024}}</ref>
<ref name="Go Botany">{{cite web |title=''Eriophorum'' |url=https://gobotany.nativeplanttrust.org/dkey/eriophorum/ |website=Go Botany |publisher=Native Plant Trust |access-date=13 September 2024}}</ref>
<ref name="IPNI:13751-1">{{IPNI |id=13751-1 |taxon=''Eriophorum'' |authority={{small|L.}} |access-date=21 August 2024}}</ref> <ref name="IPNI:295913-2">{{IPNI |id=295913-2 |taxon=''Eriophoropsis'' |authority={{small|Palla}} |access-date=2 September 2024}}</ref> <ref name="IPNI:77347168-1">{{IPNI |id=77347168-1 |taxon=''Eriophorum'' subgen. ''Eriophoropsis'' |authority={{small|(Palla) Raymond}} |access-date=2 September 2024}}</ref> <ref name="IPNI:77346771-1">{{IPNI |id=77346771-1 |taxon=''Eriophorum'' sect. ''Phyllanthela'' |authority={{small|Andersson}} |access-date=21 August 2024}}</ref> <ref name="IPNI:77346770-1">{{IPNI |id=77346770-1 |taxon=''Eriophorum'' sect. ''Vaginata'' |authority={{small|Andersson}} |access-date=21 August 2024}}</ref> <ref name="IPNI:95720-2">{{IPNI |id=95720-2 |taxon=''Eriophorum crinigerum'' |authority={{small|(A.Gray) Beetle}} |access-date=21 August 2024}}</ref> <ref name="IPNI:307364-1">{{IPNI |id=307364-1 |taxon=''Eriophorum gracile'' |authority={{small|Roth}} |access-date=20 August 2024}}</ref> <ref name="IPNI:307401-1">{{IPNI |id=307401-1 |taxon=''Eriophorum russeolum'' |authority={{small|Fr.}} |access-date=30 August 2024}}</ref> <ref name="IPNI:307402-1">{{IPNI |id=307402-1 |taxon=''Eriophorum scabriculme'' |authority={{small|(Beetle) Raymond}} |access-date=21 August 2024}}</ref> <ref name="IPNI:13878-1">{{IPNI |id=13878-1 |taxon=''Linagrostis'' |authority={{small|Guett.}} |access-date=2 September 2024}}</ref> <ref name="IPNI:13876-1">{{IPNI |id=13876-1 |taxon=''Linagrostis'' |authority={{small|Hill}} |access-date=2 September 2024}}</ref> <ref name="IPNI:13877-1">{{IPNI |id=13877-1 |taxon=''Linagrostis'' |authority={{small|Zinn}} |access-date=2 September 2024}}</ref> <ref name="IPNI:13875-1">{{IPNI |id=13875-1 |taxon=''Linagrostis'' |authority={{small|Tourn. ex Scop.}} |access-date=2 September 2024}}</ref>
<ref name="MFO">{{cite web |last1=Reznicek |first1=A. A. |last2=Voss |first2=E. G. |last3=Walters |first3=B. S. |title=''Eriophorum'' |url=https://www.michiganflora.net/genus/Eriophorum |website=Michigan Flora Online |publisher=University of Michigan |access-date=12 September 2024 |date=February 2011}}</ref>
<ref name="POWO:13751-1">{{cite POWO |id=13751-1 |title=''Eriophorum'' {{small|L.}} |access-date=20 August 2024}}</ref> <ref name="POWO:295913-2">{{cite POWO |id=295913-2 |title=''Eriophoropsis'' {{small|Palla}} |access-date=2 September 2024}}</ref> <ref name="POWO:307339-1">{{cite POWO |id=307339-1 |title=''Eriophorum'' × ''beauverdii'' {{small|Soó}} |access-date=21 August 2024}}</ref> <ref name="POWO:95694-2">{{cite POWO |id=95694-2 |title=''Eriophorum alpinum'' {{small|L.}} |access-date=22 August 2024}}</ref> <ref name="POWO:95720-2">{{cite POWO |id=95720-2 |title=''Eriophorum crinigerum'' {{small|(A.Gray) Beetle}} |access-date=21 August 2024}}</ref> <ref name="POWO:276737-2">{{cite POWO |id=276737-2 |title=''Eriophorum cyperinum'' {{small|L.}} |access-date=28 August 2024}}</ref> <ref name="POWO:332128-2">{{cite POWO |id=332128-2 |title=''Eriophorum polystachion'' {{small|L.}} |access-date=22 August 2024}}</ref> <ref name="POWO:307401-1">{{cite POWO |id=307401-1 |title=''Eriophorum russeolum'' {{small|Fr.}} |access-date=27 August 2024}}</ref> <ref name="POWO:307402-1">{{cite POWO |id=307402-1 |title=''Eriophorum scabriculme'' {{small|(Beetle) Raymond}} |access-date=21 August 2024}}</ref> <ref name="POWO:13878-1">{{cite POWO |id=13878-1 |title=''Linagrostis'' {{small|Guett.}} |access-date=2 September 2024}}</ref>
<ref name="POWO:310258-1">{{cite POWO |id=310258-1 |title=''Linagrostis vaginata'' {{small|(L.) Scop.}} |access-date=3 September 2024}}</ref> <ref name="POWO:310255-1">{{cite POWO |id=310255-1 |title=''Linagrostis alpina'' {{small|(L.) Scop.}} |access-date=3 September 2024}}</ref> <ref name="POWO:310257-1">{{cite POWO |id=310257-1 |title=''Linagrostis polystachia'' {{small|(L.) Scop.}} |access-date=3 September 2024}}</ref>
<ref name="Tropicos">{{Tropicos|40005388|Eriophorum |access-date=20 August 2024}}</ref>
<ref name="USDA:ERIOP">{{PLANTS |id=ERIOP |taxon=Eriophorum |access-date=30 August 2024}}</ref>
<ref name="WFO">{{cite web |title=''Eriophorum'' {{small|L.}} |url=https://wfoplantlist.org/taxon/wfo-4000013860-2024-06?page=1&hide_syns=true |website=WFO Plant List |access-date=21 August 2024}}</ref>
}}
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==External links== {{Commons category}} {{Wikispecies|Eriophorum}} * {{cite web |title=''Eriophorum'' {{small|L.}} (1753), Sp. Pl. 52 |url=https://www.binran.ru/resources/archive/paf/checklist/taxonomy/HTM/032-Cyper2.htm |access-date=20 August 2024}} * {{IPNI |id=42703-1 |taxon=''Eriophorum subgen. Phyllanthela'' |authority={{small|(Andersson) T.V.Egorova}} |access-date=20 August 2024}} * {{cite web |title=''Eriophorum'' {{small|L.}}, Sp. Pl. 52 (1753) |url=http://emonocot.org/taxon/urn:kew.org:wcs:taxon:244507 |work=eMonocot |access-date=May 10, 2013 |archive-url=https://web.archive.org/web/20140103210135/http://emonocot.org/taxon/urn:kew.org:wcs:taxon:244507 |archive-date=January 3, 2014 }} * {{cite web |title=''Eriophorum'' {{small|L.}} |url=https://wisflora.herbarium.wisc.edu/taxa/index.php?taxon=739 |website=Flora of Wisconsin |access-date=12 September 2024}} * {{cite web |title=Search results for: "Eriophorum" |url=https://www.minnesotawildflowers.info/search?scientific_name=Eriophorum |website=Minnesota Wildflowers |access-date=12 September 2024}} * {{cite web |last1=Aiken |first1=S.G. |last2=Dallwitz |first2=M.J. |last3=Consaul |first3=L.L. |last4=McJannet |first4=C.L. |last5=Boles |first5=R.L. |last6=Argus |first6=G.W. |last7=Gillett |first7=J.M. |last8=Scott |first8=P.J. |last9=Elven |first9=R. |last10=LeBlanc |first10=M.C. |last11=Gillespie |first11=L.J. |last12=Brysting |first12=A.K. |last13=Solstad |first13=H. |last14=Harris |first14=J.G. |title=''Eriophorum'' {{small|L.}} |url=https://nature.ca/aaflora/data/www/cyer.htm |website=Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval |publisher=NRC Research Press, National Research Council of Canada |access-date=25 September 2025 |date=2007}} * {{cite journal |last1=Cayouette |first1=Jacques |title=A taxonomic review of the ''Eriophorum russeolum''-''E. scheuchzeri'' complex (Cyperaceae) in North America |journal=SIDA, Contributions to Botany |date=2004 |volume=21 |issue=2 |pages=791–814 |jstor=41968332 |url=https://www.biodiversitylibrary.org/page/9311605#page/811/mode/1up |access-date=19 December 2025}}
{{Taxonbar|from=Q161739}} {{Authority control}}
Category:Eriophorum Category:Cyperaceae genera Category:Botanical taxa named by Carl Linnaeus