Knotgrass

Polygonum aviculare L.

JC Schou cc-by-nc

Polygonum aviculare (Knotgrass) is a species of annual herb in the family Polygonaceae. They are native to Santa Catarina, Paraná, Mata Atlântica, Minas Gerais, SãO Paulo, and Rio Grande Do Sul. Flowers are visited by Lesser Bulb Fly, Many-tufted Sedgesitter, and Honey bee.

URI: http://purl.obolibrary.org/obo/FLOPO_0980071
Definition: Of plant duration, a plant whose life span ends within one year after germination, e.g. a winter annual germinating in the autumn and flowering in the spring (esp. in Mediterranean climates), approximately synonymous to therophyte, c.f. biennial, ephemeral, perennial, c.f. also of flowering with respect to architecture, hapaxanthic, monocarpic, pleonanthic.
Attribution: Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 12, July 2012. Glossary, http://www.mobot.org/mobot/research/apweb/top/glossarya_h.html#annual

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URI: http://purl.obolibrary.org/obo/FLOPO_0022142
Definition: whole plant herbaceous

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URI: https://www.geonames.org/3450387

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URI: https://www.geonames.org/3455077

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URI: https://www.wikidata.org/entity/Q477047

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URI: https://www.geonames.org/3457153

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URI: https://www.geonames.org/3448433

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URI: https://www.geonames.org/3451133

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EOL has data for 18 attributes, including:

host of
- URI: http://purl.obolibrary.org/obo/RO_0002453
- Attribution: From OBO Relation Ontology
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Polygonum aviculare L. (knotgrass)
cellularity
- URI: http://purl.obolibrary.org/obo/PATO_0001992
- Definition: An organismal quality inhering in a bearer by virtue of the bearers consisting cells. [ PATOC:GVG ]
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multicellular
- URI: http://purl.obolibrary.org/obo/PATO_0001993
- Definition: A cellularity quality inhering in a bearer by virtue of the bearers consisting of more than one cell. [ PATOC:GVG ]
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geographic distribution includes
- URI: http://eol.org/schema/terms/Present
- Definition: This organism is known to be present in this location or region. Not exclusive; other regions may also be reported.
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Michigan
- URI: http://www.geonames.org/5001836
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habitat
- URI: http://purl.obolibrary.org/obo/RO_0002303
- Definition: x has habitat y if: x is an organism, y is a habitat, and y can sustain and allow the growth of a population of x
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anthropogenic
- URI: http://purl.obolibrary.org/obo/ENVO_00000002
- Definition: a geographic feature resulting from the influence of human beings on nature.
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invasive in
- URI: http://eol.org/schema/terms/InvasiveRange
- Definition: Information about the jurisdictions where the taxon is considered to be an invasive organism due to its negative impact on human welfare or ecosystems.
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United States
- URI: http://www.geonames.org/6252001
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life cycle habit
- URI: http://purl.obolibrary.org/obo/TO_0002725
- Definition: Determined for type of life cycle being annual, biennial, perennial etc.
- Comment: The life cycle habit indicates the typical duration of an individual plant's life. Common values are annual, biennial, and perennial. Some plants have different durations depending on environment or location, so a plant can have more than one value.
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annual
- URI: http://purl.obolibrary.org/obo/FLOPO_0980071
- Definition: Of plant duration, a plant whose life span ends within one year after germination, e.g. a winter annual germinating in the autumn and flowering in the spring (esp. in Mediterranean climates), approximately synonymous to therophyte, c.f. biennial, ephemeral, perennial, c.f. also of flowering with respect to architecture, hapaxanthic, monocarpic, pleonanthic.
- Attribution: Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 12, July 2012. Glossary, http://www.mobot.org/mobot/research/apweb/top/glossarya_h.html#annual
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native range includes
- URI: http://eol.org/schema/terms/NativeRange
- Definition: Lists jurisdictions in which a given organism is a member of the undisturbed fauna or flora.
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Santa Catarina
- URI: https://www.geonames.org/3450387
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plant growth form
- URI: http://purl.obolibrary.org/obo/FLOPO_0900032
- Definition: whole plant growth form. eg: herbaceous, tree, liana
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herb
- URI: http://purl.obolibrary.org/obo/FLOPO_0022142
- Definition: whole plant herbaceous
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produces
- URI: http://purl.obolibrary.org/obo/RO_0003000
- Definition: This organism produces this material or substance, either during its life or after death. A produces B if some process that occurs in A has output B.
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oxygen
- URI: http://purl.obolibrary.org/obo/CHEBI_15379
- Definition: molecular oxygen, O2
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trophic guild
- URI: http://eol.org/schema/terms/TrophicGuild
- Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)
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photoautotroph
- URI: http://purl.obolibrary.org/obo/ECOCORE_00000130
- Definition: An autotroph which is capable of transforming light into chemical energy.
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type specimen repository
- URI: http://eol.org/schema/terms/TypeSpecimenRepository
- Definition: The institution that holds a type specimen for a given species. The recommended best practice is to use the identifier in a collections registry such as the Biodiversity Collections Index (http://www.biodiversitycollectionsindex.org/).
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Botanischer Garten und Botanisches Museum Berlin, Zentraleinrichtung der Freien Universität Berlin
- URI: http://biocol.org/urn:lsid:biocol.org:col:15534
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used for
- URI: http://eol.org/schema/terms/Uses
- Definition: The uses of the organism or products derived from the organism.
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medicinal
- URI: http://purl.obolibrary.org/obo/NCIT_C142605
- Definition: substance or combination of substances that may be administered to human beings (or animals) for treating or preventing disease, or with the intent to make a medical diagnosis or to restore, correct or modify physiological functions.
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Known occurrences, collected specimens and observations of knotgrass from the Global Biodiversity Information Facility

GBIF provides free and open access to biodiversity data. View this species on GBIF

JC Schou cc-by-nc

knotgrass includes 8 children: