Field Horsetail

Equisetum arvense L.

2009 California Academy of Sciences cc-by-nc-sa-3.0

Equisetum arvense (Field Horsetail) is a species of perennial herb in the family horsetails. They are associated with freshwater habitat. They are native to Greenland, Canada, The Contiguous United States, and Saint-Pierre Et Miquelon. They have green flowers. Individuals can grow to 0.9 feet. They have alternation of generations.

URI: http://purl.obolibrary.org/obo/FLOPO_0980073
Definition: Of plant duration, a plant whose life span extends over more than two growing seasons, c.f. annual, biennial, ephemeral, 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/glossaryi_p.html#perennial

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

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URI: http://purl.obolibrary.org/obo/ENVO_00000873
Definition: A biome that applies to the freshwater realm.

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URI: http://www.geonames.org/3425505

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URI: http://www.geonames.org/6251999

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URI: http://www.wikidata.org/entity/Q578170

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URI: http://www.geonames.org/3424932

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URI: http://purl.obolibrary.org/obo/PATO_0000320
Definition: A color hue with medium-low wavelength of that portion of the visible spectrum lying between yellow and blue, evoked in the human observer by radiant energy with wavelengths of approximately 490 to 570 nanometers.
Attribution: [database_cross_reference: Dictionary:http://dictionary.reference.com/]

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URI: http://eol.org/schema/terms/alternatingReproduction
Definition: Organisms with a life cycle that features alternation of generations with sexual and asexual reproduction.

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EOL has data for 70 attributes, including:

after harvest regrowth rate
- URI: http://eol.org/schema/terms/AfterHarvestRegrowthRate
- Definition: Indicates the relative rate of regrowth of a herbaceous plant after a harvest of above ground herbage.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
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slow
- URI: http://purl.obolibrary.org/obo/PATO_0000911
- Definition: Decreased rate. A rate which is relatively low.
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anaerobic soil tolerance
- URI: http://eol.org/schema/terms/AnaerobicSoilTolerance
- Definition: The relative tolerance of the plant to anaerobic soil conditions.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
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medium (normal)
- URI: http://purl.obolibrary.org/obo/PATO_0000461
- Definition: Average. A quality inhering in a bearer by virtue of the bearer's exhibiting no deviation from normal or average.
- Attribution: [database_cross_reference: PATOC:GVG]
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calcareous soil tolerance
- URI: http://eol.org/schema/terms/CalcareousSoilTolerance
- Definition: The relative tolerance of the plant to calcareous soil. Calcareous soil is defined as soil containing sufficient free CaCO3 and other carbonates to effervesce visibly or audibly when treated with cold 0.1M HCl. These soils usually contain from 10 to almost 1000g/kg CaCO3 equivalent.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
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medium (normal)
- URI: http://purl.obolibrary.org/obo/PATO_0000461
- Definition: Average. A quality inhering in a bearer by virtue of the bearer's exhibiting no deviation from normal or average.
- Attribution: [database_cross_reference: PATOC:GVG]
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fire resistance
- URI: http://eol.org/schema/terms/FireResistance
- Definition: The ability of an organism to resist burning.
- Comment: If a plant can carry a fire—and most can—it is scored as "not fire resistant" in the USDA PLANTS database where this characteristic is evaluated with reference to problem fires in California. http://plants.usda.gov/charinfo.html
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no
- URI: http://eol.org/schema/terms/no
- Definition: This statement is false; the answer to this question is no.
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fire tolerance
- URI: http://eol.org/schema/terms/FireTolerance
- Definition: The relative ability of a plant to resprout, regrow, or reestablish from residual seed after a fire.
- Attribution: USDA PLANTS database Characteristics Data Fields (Fire tolerance). http://plants.usda.gov/charinfo.html
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none
- URI: http://purl.bioontology.org/ontology/SNOMEDCT/260413007
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fruit or seed color
- URI: http://eol.org/schema/terms/FruitSeedColor
- Definition: The predominant and conspicuous color of the mature fruit or seed from a landscaping aesthetics standpoint.
- Attribution: USDA Plants database. Characteristics Data Fields. http://plants.usda.gov/charinfo.html
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green
- URI: http://purl.obolibrary.org/obo/PATO_0000320
- Definition: A color hue with medium-low wavelength of that portion of the visible spectrum lying between yellow and blue, evoked in the human observer by radiant energy with wavelengths of approximately 490 to 570 nanometers.
- Attribution: [database_cross_reference: Dictionary:http://dictionary.reference.com/]
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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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Missouri
- URI: http://www.geonames.org/4398678
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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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Greenland
- URI: http://www.geonames.org/3425505
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planting density
- URI: http://eol.org/schema/terms/PlantingDensity
- Definition: Recommended minimum number of individual plants to plant per area.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
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19360 per acre
precipitation tolerance
- URI: http://eol.org/schema/terms/PrecipitationTolerance
- Definition: Minimum tolerable rainfall (in inches), expressed as the average annual minimum precipitation that occurs 20% of the time (i.e., the probability of it being this dry in any given year is 20%) at the driest climate station within the known geographical range of the plant. geographical range of the plant. For cultivars, the geographical range is defined as the area to which the cultivar is well adapted rather than marginally adapted.
- Comment: Minimum precipitation tolerance: Minimum tolerable rainfall, expressed as the average annual minimum precipitation that occurs 20% of the time (i.e., the probability of it being this dry in any given year is 20%) at the driest climate station within the known geographical range of the plant. Maximum precipitation tolerance: Maximum tolerable rainfall, expressed as the annual average precipitation of the wettest climate station within the known geographical range of the plant. For cultivars, the geographical range is defined as the area to which the cultivar is well adapted rather than marginally adapted.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
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100 inch
seed spread rate
- URI: http://eol.org/schema/terms/SeedSpreadRate
- Definition: The capability of the plant to spread through its seed production compared to other species with the same growth habit.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
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slow
- URI: http://purl.obolibrary.org/obo/PATO_0000911
- Definition: Decreased rate. A rate which is relatively low.
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seedling survival
- URI: http://eol.org/schema/terms/SeedlingSurvival
- Definition: The expected seedling survival percentage of the plant compared to other species with the same growth habit.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
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medium
- URI: http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C49507
- Definition: Mid-way between small and large in number, quantity, magnitude or extent.
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2009 California Academy of Sciences cc-by-nc-sa-3.0

field horsetail includes 2 children: