Book contents
- Frontmatter
- Contents
- List of figures
- Preface and Acknowledgements
- Preamble
- Salt-marsh communities
- COMMUNITY DESCRIPTIONS
- Shingle, strandline and sand-dune communities
- COMMUNITY DESCRIPTIONS
- Maritime cliff communities
- COMMUNITY DESCRIPTIONS
- Vegetation of open habitats
- COMMUNITY DESCRIPTIONS
- OV1: Viola arvensis-Aphanes microcarpa community
- OV2: Briza minor-Silene gallica community
- OV3: Papaver rhoeas-Viola arvensis community: Papaveretum argemones (Libbert 1933) Kruseman & Vlieger 1939
- OV4: Chrysanthemum segetum-Spergula arvensis community: Spergulo-Chrysanthemetum segetum (Br.-Bl. & De Leeuw 1936) R. Tx. 1937
- OV5: Digitaria ischaemum-Erodium cicutarium community
- OV6: Cerastium glomeratum-Fumaria muralis ssp. boraei community
- OV7: Veronica persica-Veronica polita community: Veronico-Lamietum hybridi Kruseman & Vlieger 1939
- OV8: Veronica persica-Alopecurus myosuroides community: Alopecuro-Chamomilletum recutitae Wasscher 1941
- OV9: Matricaria perforata-Stellaria media community
- OV10: Poa annua-Senecio vulgaris community
- OV11: Poa annua-Stachys arvensis community
- OV12: Poa annua-Myosotis arvensis community
- OV13: Stellaria media-Capsella bursa-pastoris community
- OV14: Urtica urens-Lamium amplexicaule community
- OV15: Anagallis arvensis-Veronica persica community: Kickxietum spuriae Kruseman & Vlieger 1939
- OV16: Papaver rhoeas-Silene noctiflora community: Papaveri-Sileneetum noctiflori Wasscher 1941
- OV17: Reseda lutea-Polygonum aviculare community: Descurainio-Anchusetum arvensis Silverside 1977
- OV18: Polygonum aviculare-Chamomilla suaveolens community
- OV19: Poa annua-Matricaria perforata community
- OV20: Poa annua-Sagina procumbens community: Sagino-Bryetum argentii Diemont, Sissingh & Westhoff 1940
- OV21: Poa annua-Plantago major community
- OV22: Poa annua-Taraxacum officinale community
- OV23: Lolium perenne-Dactylis glomerata community
- OV24: Urtica dioica-Galium aparine community
- OV25: Urtica dioica-Cirsium arvense community
- OV26: Epilobium hirsutum community
- OV27: Epilobium angustifolium community
- OV28: Agrostis stolonifera-Ranunculus repens community: Agrostio-Ranunculetum repentis Oberdorfer et al. 1967
- OV29: Alopecurus geniculatus-Rorippa palustris community: Ranunculo-Alopecuretum geniculati R.Tx. (1937) 1950
- OV30: Bidens tripartita-Polygonum amphibium community: Polygono-Bidentetum tripartitae Lohmeyer in R.Tx. 1950
- OV31: Rorippa palustris-Filaginella uliginosa community
- OV32: Myosotis scorpioides-Ranunculus sceleratus community: Ranunculetum scelerati R.Tx. 1950 ex Passarge 1959
- OV33: Polygonum lapathifolium-Poa annua community
- OV34: Allium schoenoprasum-Plantago maritima community
- OV35: Lythrum portula-Ranunculus flammula community
- OV36: Lythrum hyssopifolia-Juncus bufonius community
- OV37: Festuca ovina-Minuartia verna community: Minuartio-Thlaspietum alpestris Koch 1932
- OV38: Gymnocarpium robertianum-Arrhenatherum elatius community: Gymnocarpietum robertianae (Kuhn 1937) R.Tx. 1937
- OV39: Asplenium trichomanes-Asplenium ruta-muraria community: Asplenietum trichomano-rutae-murariae R.Tx. 1937
- OV40: Asplenium viride-Cystopteris fragilis community: Asplenio viridis-Cystopteridetum fragilis (Kuhn 1939) Oberdorfer 1949
- OV41: Parietaria diffusa community: Parietarietum judaicae (Arènes 1928) Oberdorfer 1977
- OV42: Cymbalaria muralis community: Cymbalarietum muralis Görs 1966
- INDEX OF SYNONYMS TO MARITIME COMMUNITIES AND VEGETATION OF OPEN HABITATS
- INDEX OF SPECIES IN MARITIME COMMUNITIES AND VEGETATION OF OPEN HABITATS
- BIBLIOGRAPHY
- PHYTOSOCIOLOGICAL CONSPECTUS OF BRITISH PLANT COMMUNITIES
OV33: Polygonum lapathifolium-Poa annua community
Published online by Cambridge University Press: 01 September 2010
- Frontmatter
- Contents
- List of figures
- Preface and Acknowledgements
- Preamble
- Salt-marsh communities
- COMMUNITY DESCRIPTIONS
- Shingle, strandline and sand-dune communities
- COMMUNITY DESCRIPTIONS
- Maritime cliff communities
- COMMUNITY DESCRIPTIONS
- Vegetation of open habitats
- COMMUNITY DESCRIPTIONS
- OV1: Viola arvensis-Aphanes microcarpa community
- OV2: Briza minor-Silene gallica community
- OV3: Papaver rhoeas-Viola arvensis community: Papaveretum argemones (Libbert 1933) Kruseman & Vlieger 1939
- OV4: Chrysanthemum segetum-Spergula arvensis community: Spergulo-Chrysanthemetum segetum (Br.-Bl. & De Leeuw 1936) R. Tx. 1937
- OV5: Digitaria ischaemum-Erodium cicutarium community
- OV6: Cerastium glomeratum-Fumaria muralis ssp. boraei community
- OV7: Veronica persica-Veronica polita community: Veronico-Lamietum hybridi Kruseman & Vlieger 1939
- OV8: Veronica persica-Alopecurus myosuroides community: Alopecuro-Chamomilletum recutitae Wasscher 1941
- OV9: Matricaria perforata-Stellaria media community
- OV10: Poa annua-Senecio vulgaris community
- OV11: Poa annua-Stachys arvensis community
- OV12: Poa annua-Myosotis arvensis community
- OV13: Stellaria media-Capsella bursa-pastoris community
- OV14: Urtica urens-Lamium amplexicaule community
- OV15: Anagallis arvensis-Veronica persica community: Kickxietum spuriae Kruseman & Vlieger 1939
- OV16: Papaver rhoeas-Silene noctiflora community: Papaveri-Sileneetum noctiflori Wasscher 1941
- OV17: Reseda lutea-Polygonum aviculare community: Descurainio-Anchusetum arvensis Silverside 1977
- OV18: Polygonum aviculare-Chamomilla suaveolens community
- OV19: Poa annua-Matricaria perforata community
- OV20: Poa annua-Sagina procumbens community: Sagino-Bryetum argentii Diemont, Sissingh & Westhoff 1940
- OV21: Poa annua-Plantago major community
- OV22: Poa annua-Taraxacum officinale community
- OV23: Lolium perenne-Dactylis glomerata community
- OV24: Urtica dioica-Galium aparine community
- OV25: Urtica dioica-Cirsium arvense community
- OV26: Epilobium hirsutum community
- OV27: Epilobium angustifolium community
- OV28: Agrostis stolonifera-Ranunculus repens community: Agrostio-Ranunculetum repentis Oberdorfer et al. 1967
- OV29: Alopecurus geniculatus-Rorippa palustris community: Ranunculo-Alopecuretum geniculati R.Tx. (1937) 1950
- OV30: Bidens tripartita-Polygonum amphibium community: Polygono-Bidentetum tripartitae Lohmeyer in R.Tx. 1950
- OV31: Rorippa palustris-Filaginella uliginosa community
- OV32: Myosotis scorpioides-Ranunculus sceleratus community: Ranunculetum scelerati R.Tx. 1950 ex Passarge 1959
- OV33: Polygonum lapathifolium-Poa annua community
- OV34: Allium schoenoprasum-Plantago maritima community
- OV35: Lythrum portula-Ranunculus flammula community
- OV36: Lythrum hyssopifolia-Juncus bufonius community
- OV37: Festuca ovina-Minuartia verna community: Minuartio-Thlaspietum alpestris Koch 1932
- OV38: Gymnocarpium robertianum-Arrhenatherum elatius community: Gymnocarpietum robertianae (Kuhn 1937) R.Tx. 1937
- OV39: Asplenium trichomanes-Asplenium ruta-muraria community: Asplenietum trichomano-rutae-murariae R.Tx. 1937
- OV40: Asplenium viride-Cystopteris fragilis community: Asplenio viridis-Cystopteridetum fragilis (Kuhn 1939) Oberdorfer 1949
- OV41: Parietaria diffusa community: Parietarietum judaicae (Arènes 1928) Oberdorfer 1977
- OV42: Cymbalaria muralis community: Cymbalarietum muralis Görs 1966
- INDEX OF SYNONYMS TO MARITIME COMMUNITIES AND VEGETATION OF OPEN HABITATS
- INDEX OF SPECIES IN MARITIME COMMUNITIES AND VEGETATION OF OPEN HABITATS
- BIBLIOGRAPHY
- PHYTOSOCIOLOGICAL CONSPECTUS OF BRITISH PLANT COMMUNITIES
Summary
Constant species
Poa annua, Polygonum aviculare, Polygonum lapathifolium, Polygonum persicaria.
Physiognomy
The Polygonum-Poa community includes open or closed stands of vegetation in which various knotweeds are the most characteristic feature. P. persicaria, P. lapathifolium and P. aviculare are all very common here and each can be abundant, often in locally dense, even more or less monodominant patches. Poa annua is also constant but not usually of extensive cover and there is often some Stellaria media, Chenopodium album, Plantago major and Chamomilla suaveolens. More bulky occasionals include Elymus repens, Lolium perenne, Urtica dioica and Cirsium arvense but none of these is more than locally prominent. Smaller herbaceous associates found at low frequency are Viola arvensis, Anagallis arvensis, Ranunculus repens, Trifolium repens, Spergula arvensis and Veronica persica, and there can be occasional scattered individuals of Rumex crispus, R. obtusifolius, Sonchus asper and Euphorbia helioscopa.
Habitat
This Polygonum-Poa community is characteristic of damp eutrophic soils in disturbed places such as gateways, tracks, farmyards and ill-managed leys, on dumped topsoil and made ground around building sites.
Compared with the Rorippa-Filaginella community, this vegetation is less dependent on long winter flooding to maintain extensive areas of ground then laid bare by a drop in the water table. Indeed, local impedence of drainage of rainwater, as on heavy or trampled ground, is sufficient to create suitable conditions for the rapid appearance of the annual knotweeds, Poa annua and weeds like Stellaria media, Chenopodium album and Chamomilla suaveolens.
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- Information
- British Plant Communities , pp. 436 - 437Publisher: Cambridge University PressPrint publication year: 2000