Image of European alder

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European Alder

Alnus glutinosa (L.) Gaertn.

2008 Dr. Amadej Trnkoczy cc-by-nc-sa-3.0

Alnus glutinosa (European Alder) is a species of tree in the family Betulaceae. They are native to United Kingdom, Romania, Albania, Sweden, France, Morocco, Algeria, Italy, Norway, Belgium, Belarus, Tunisia, Kazakhstan, Switzerland, Ukraine, Czech Republic, Hungary, Bulgaria, Ireland, Austria, Spain, Poland, Yugoslavia, Greece, Norfolk Island, Portugal, Denmark, Turkey, Germany, The Netherlands, Iran, Finland, and Russia. They have purple flowers. Individuals can grow to 45 feet.

URI: http://purl.obolibrary.org/obo/FLOPO_0900033
Definition: whole plant arborescent

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URI: http://www.geonames.org/2635167

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URI: http://www.geonames.org/798549

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URI: http://www.geonames.org/783754

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URI: http://www.geonames.org/2661886

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URI: http://www.geonames.org/3017382

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URI: http://www.geonames.org/2542007

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URI: http://www.geonames.org/2589581

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URI: http://www.geonames.org/3175395

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URI: http://www.geonames.org/3144096

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URI: http://www.geonames.org/2802361

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URI: http://www.geonames.org/630336

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URI: http://www.geonames.org/2464461

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URI: http://www.geonames.org/1522867

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URI: http://www.geonames.org/2658434

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URI: http://www.geonames.org/690791

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URI: http://www.geonames.org/3077311

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URI: http://www.geonames.org/719819

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URI: http://www.geonames.org/732800

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URI: http://www.geonames.org/2963597

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URI: http://www.geonames.org/2782113

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URI: http://www.geonames.org/2510769

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URI: http://www.geonames.org/798544

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URI: http://www.geonames.org/7500737

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URI: http://www.geonames.org/390903

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URI: http://www.geonames.org/2155115

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URI: http://www.geonames.org/2264397

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URI: http://www.geonames.org/2623032

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URI: http://www.geonames.org/298795

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URI: http://www.geonames.org/2921044

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URI: http://www.geonames.org/2750405

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URI: http://www.geonames.org/130758

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URI: http://www.geonames.org/660013

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URI: http://www.geonames.org/2017370

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URI: http://purl.obolibrary.org/obo/PATO_0000951
Definition: A color that falls about midway between red and blue in hue.
Attribution: [database_cross_reference: Dictionary:http://dictionary.reference.com/]

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EOL has data for 78 attributes, including:

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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low tolerance
- URI: http://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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bloom period
- URI: http://eol.org/schema/terms/BloomPeriod
- Definition: The seasonal period in the U.S. during which the plant blooms the most. The bloom period is defined as the time when pollen is shed and stigmas are receptive.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
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mid spring
- URI: http://eol.org/schema/terms/midSpring
- Definition: The mid part of the season between the vernal equinox and the summer solstice.
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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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low tolerance
- URI: http://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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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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low tolerance
- URI: http://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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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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brown
- URI: http://purl.obolibrary.org/obo/PATO_0000952
- Definition: A color consisting of dark orange, red, of very low intensity.
- Attribution: [database_cross_reference: Wikipedia:http://en.wikipedia.org/wiki/Brown]
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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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Massachusetts
- URI: http://www.geonames.org/6254926
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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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Ireland
- URI: http://www.geonames.org/2963597
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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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1200 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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65 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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seeds per pound
- URI: http://eol.org/schema/terms/SeedPerPound
- Definition: The number of seeds per pound in an average seed lot.
- Attribution: USDA PLANTS database Characteristics Data Fields. http://plants.usda.gov/charinfo.html
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325000

Known occurrences, collected specimens and observations of European alder. View this species on GBIF

2008 Dr. Amadej Trnkoczy cc-by-nc-sa-3.0

European alder includes 4 children: