Common Duckweed

Lemna minor L.

Muséum national d'Histoire naturelle. Service du Patrimoine naturel cc-by-nc-sa-3.0

Lemna minor (Common Duckweed) is a species of perennial herb in the family Araceae. They are associated with freshwater habitat. They are native to Eastern North America, The Contiguous United States, Alaska, North America, and Canada. They have green flowers.

URI: https://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: https://www.mobot.org/mobot/research/apweb/top/glossaryi_p.html#perennial

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

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

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URI: https://eol.org/schema/terms/eastern_north_america
Definition: From the Atlantic to central North America. May include Saskatchewan, Texas, and/or Guanajuato

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

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URI: https://www.geonames.org/5879092
Attribution: GeoNames

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URI: https://www.geonames.org/6255149

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

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URI: https://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:https://dictionary.reference.com/]

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EOL has data for 63 attributes, including:

anaerobic soil tolerance
- URI: https://eol.org/schema/terms/AnaerobicSoilTolerance
- Definition: The relative tolerance of the plant to anaerobic soil conditions.
- Attribution: USDA PLANTS database Characteristics Data Fields. https://plants.usda.gov/charinfo.html
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high tolerance
- URI: https://purl.obolibrary.org/obo/PATO_0002393
- Definition: A tolerance quality inhering in a bearer by virtue of the bearer's increased ability to endure a stimulus
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calcareous soil tolerance
- URI: https://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. https://plants.usda.gov/charinfo.html
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medium (normal)
- URI: https://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: https://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. https://plants.usda.gov/charinfo.html
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yes
- URI: https://eol.org/schema/terms/yes
- Definition: This statement is true; the answer to this question is yes.
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geographic distribution includes
- URI: https://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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Massachusetts
- URI: https://www.geonames.org/6254926
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low temperature tolerance
- URI: https://eol.org/schema/terms/TemperatureTolerance
- Definition: The minimum tolerable temperature is the lowest temperature recorded in the plant’s historical range. If this is not available, the record low January temperature recorded at climate stations within the current geographical range of the plant is used. This definition does not apply to summer annuals.
- Attribution: USDA PLANTS database Characteristics Data Fields. https://plants.usda.gov/charinfo.html
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-38 degrees fahrenheit
native range includes
- URI: https://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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The Contiguous United States
- URI: https://www.wikidata.org/entity/Q578170
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optimal growth pH
- URI: https://eol.org/schema/terms/OptimalGrowthpH
- Definition: The pH of a medium (water column, soil moisture) at which the growth rate of an organism is typically optimized
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7.5
optimal growth temperature
- URI: https://eol.org/schema/terms/OptimalGrowthTemperature
- Definition: Optimal temperature conditions for cell division
- Attribution: Created by Anne Thessen
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25 degrees celsius
planting density
- URI: https://eol.org/schema/terms/PlantingDensity
- Definition: Recommended minimum number of individual plants to plant per area.
- Attribution: USDA PLANTS database Characteristics Data Fields. https://plants.usda.gov/charinfo.html
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4800 per acre
seed spread rate
- URI: https://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. https://plants.usda.gov/charinfo.html
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fast
- URI: https://purl.obolibrary.org/obo/PATO_0000912
- Definition: Increased rate. A rate which is relatively high.
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seedling survival
- URI: https://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. https://plants.usda.gov/charinfo.html
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high
- URI: https://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C25227
- Definition: An elevated level or position or degree; greater than normal in degree or intensity or amount.
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shade tolerance
- URI: https://eol.org/schema/terms/ShadeTolerance
- Definition: The relative tolerance of the plant to shade conditions
- Attribution: USDA PLANTS database Characteristics Data Fields. https://plants.usda.gov/charinfo.html
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low tolerance
- URI: https://purl.obolibrary.org/obo/PATO_0002394
- Definition: decreased tolerance to: A tolerance quality inhering in a bearer by virtue of the bearer's decreased ability to endure a stimulus.
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Known occurrences, collected specimens and observations of Common Duckweed. View this species on GBIF

Muséum national d'Histoire naturelle. Service du Patrimoine naturel cc-by-nc-sa-3.0