44:
88:
63:
279:). In its habitat in shallow water on pond margins or in poached wet grassland, it seems to grow well in bare locations where it faces little competition. Populations vary greatly from year to year; it sometimes "disappears" from a site only to recur there many years later, and cleaning out a ditch may stimulate it to reappear.
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Pillwort grows on silt and mud at the margins of lakes, ponds and other watercourses that are submerged for at least part of the year. Some of the plants growing in association with this species in the UK include water celery
223:
in the family
Marsileaceae. It is native to western Europe, where it grows at the edges of lakes, ponds, ditches and marshes, on wet clay or clay-sand soil, sometimes in water up to 30 cm (12 in) deep.
291:. It is listed on Schedule 8 of the Wildlife (Northern Ireland) Order 1985, but it has not been seen there since 1970 and may now be extinct in the province. It is protected under the
232:
Pillwort has slender, cylindrical, rush-like fronds up to 8 cm (3.1 in) tall that are shaped like croziers as they unfurl. It has a pea-shaped, 4-chambered
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in the rest of the UK, where it is now classified as vulnerable. It is listed as threatened or endangered in nearly all the countries in which it grows.
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This is a rare species, declining as its wetland habitats are reduced by eutrophication and drainage, but is regarded as of least concern by the
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Christenhusz, M.; Lansdown, R.V.; Bento Elias, R.; Dyer, R.; Ivanenko, Y.; Rouhan, G.; Rumsey, F.; Väre, H. (2017).
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about 3 mm (0.1 in) in diameter, each chamber formed from a modified leaf and containing several
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Pillwort can be grown in a "bog garden" or as a marginal aquatic in a garden pond.
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453:(Third ed.). Cambridge, U.K.: Cambridge University Press.
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352:10.2305/IUCN.UK.2017-2.RLTS.T167887A85436052.en
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27:Species of fern in the family Marsileaceae
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427:. Botanical Society of the British Isles
383:Botanical Society of Britain and Ireland
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7:
793:IUCN Red List least concern species
338:IUCN Red List of Threatened Species
25:
293:Wildlife and Countryside Act 1981
731:urn:lsid:ipni.org:names:303200-2
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451:New Flora of the British Isles
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808:Taxa named by Carl Linnaeus
219:, is an unusual species of
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83:Scientific classification
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59:
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41:
34:
803:Plants described in 1753
273:) and lesser spearwort (
345:: e.T167887A85436052.
248:. The species is thus
542:pilularia-globulifera
515:Pilularia globulifera
485:Pilularia globulifera
419:Pilularia globulifera
331:Pilularia globulifera
212:Pilularia globulifera
195:Pilularia globulifera
36:Pilularia globulifera
425:BSBI Species account
270:Hydrocotyle vulgaris
267:), marsh pennywort (
276:Ranunculus flammula
177:P. globulifera
53:Conservation status
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703:Open Tree of Life
477:Taxon identifiers
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16:(Redirected from
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392:on 2015-06-26
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250:heterosporous
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242:megasporangia
240:bearing both
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429:. Retrieved
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394:. Retrieved
387:the original
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356:. Retrieved
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283:Distribution
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153:Marsileaceae
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35:
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798:Salviniales
625:iNaturalist
509:Wikispecies
358:12 November
228:Description
143:Salviniales
787:Categories
396:2014-10-17
307:References
119:Division:
234:sporocarp
171:Species:
164:Pilularia
96:Kingdom:
757:26613474
752:Tropicos
643:303200-2
549:BioLib:
494:Wikidata
449:(2010).
431:12 April
217:pillwort
149:Family:
73:IUCN 3.1
18:Pillwort
617:3913526
578:6081843
500:Q299246
256:Habitat
159:Genus:
139:Order:
129:Class:
100:Plantae
71: (
708:672046
656:167887
604:150012
537:ARKive
457:
744:13024
715:PFI:
682:49509
630:63840
599:EUNIS
591:PIKGL
565:4HVPH
529:66307
390:(xls)
379:(xls)
215:, or
107:Clade
726:POWO
695:7188
677:NCBI
651:IUCN
638:IPNI
612:GBIF
586:EPPO
552:3170
524:APNI
455:ISBN
433:2020
360:2021
343:2017
299:Uses
244:and
238:sori
221:fern
765:WFO
739:RHS
664:NBN
573:EoL
560:CoL
347:doi
789::
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202:L.
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261:(
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
