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{{Short description|Berry and plant}}
{{Speciesbox
| image = Rubus allegheniensis (Allegheny blackberry).png
| image_caption = Allegheny blackberry<br>1913 illustration<ref>Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 280. - http://plants.usda.gov/java/largeImage?imageID=rual_001_avd.tif</ref>
| status = G5
| status_system = TNC
| status_ref = <ref>{{cite web | url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.961897/Rubus_allegheniensis | title=NatureServe Explorer 2.0 }}</ref>
| parent = Rubus subg. Rubus
|
| synonyms = {{collapsible list|bullets = true▼
▲|genus = ''[[Rubus]]''
▲|species = '''''R. allegheniensis'''''
|binomial = ''Rubus allegheniensis''▼
▲|binomial_authority = ([[Thomas Conrad Porter|Porter]]) [[Thomas Conrad Porter|Porter]] 1896
▲|synonyms ={{collapsible list|bullets = true
|title=<small>Synonymy</small>
|''Rubus villosus'' var. ''montanus'' <small>Porter 1890 not ''Rubus montanus'' Lib. ex Lej. 1813</small>
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|''Rubus fissidens'' <small>L.H.Bailey</small>
|''Rubus floricomus'' <small>Blanch.</small>
|''Rubus fryei'' <small>H.A.Davis & T.Davis</small>
|''Rubus latens'' <small>L.H.Bailey</small>
|''Rubus longissimus'' <small>L.H.Bailey</small>
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|''Rubus virginianus'' <small>L.H.Bailey</small>
}}
| synonyms_ref = <ref name=GRIN>{{
'''''Rubus allegheniensis''''' is a species of [[bramble]], known as '''Allegheny blackberry''' and simply as '''common blackberry'''.<ref name=MO>{{cite web|title=Common Blackberry (Rubus allegheniensis)|url=http://mdc.mo.gov/node/4589|work=Missouri Department of Conservation Field Guide|publisher=Missouri Department of Conservation|accessdate=26 September 2012}}</ref> Like other [[blackberry|blackberries]], it is a species of flowering plant in the [[Rosaceae|rose family]]. It is very common in eastern and central [[North America]]. It is also naturalized in a few locations in [[California]] and [[British Columbia]].<ref name=USDA>{{cite web|title=PLANTS Profile for Rubus allegheniensis (Allegheny blackberry)|url=http://plants.usda.gov/java/profile?symbol=rual|work=|publisher=USDA|accessdate=26 September 2012}}</ref><ref>[http://bonap.net/MapGallery/County/Rubus%20allegheniensis.png Biota of North America Program 2014 county distribution map]</ref>▼
'''''Rubus allegheniensis''''' is a North American species of [[Bramble|highbush blackberry]] in Section ''Alleghenienses'' of the genus [[Blackberry|''Rubus'']], a member of the [[Rosaceae|rose family]].<ref>{{Cite journal |last=Bailey |first=L.H. |date=1944b |title=Species batorum. The genus Rubus in North America. VIII. Alleghenienses. |journal=Gentes Herbarum |volume=3 |pages=504–588}}</ref> It is the most common and widespread highbush blackberry in eastern and central [[North America]]. It is commonly known as '''Allegheny blackberry'''.<ref>{{PLANTS|id=RUAL|taxon=Rubus allegheniensis|accessdate=23 October 2015}}</ref>
==Description==
==Distribution and habitat==
▲''
The presence of ''Rubus allegheniensis'' influences the dynamics of the [[understory]] vegetation of many forests in the eastern United States. An abundance of ''Rubus allegheniensis'' encourages new tree seedlings. Where the effects of herbivorous animals (such as [[deer]]) reduce the abundance of Allegheny blackberry, a competitor, ''[[Dennstaedtia punctilobula]]'' (hay-scented fern), takes over. Where ''Dennstaedtia punctilobula'' becomes common, the growth of tree seedlings is restricted.<ref name=PGE>"Wildlife Management." ''The Princeton Guide to Ecology''. Princeton: Princeton University Press, 2009. Retrieved 14 October 2012.</ref>▼
==Uses==
Concentrations of ''Rubus allegheniensis'' increase greatly after events that destroy taller shrubs and trees and thus permit more light into the understory, such as fires or widespread [[Derecho|blowdown]].<ref name=eco1 /><ref>"Vegetation of Hooper Branch Nature Preserve, Iroquois County, Illinois." ''Northeastern Naturalist.'' 17 (2): pp 261-272. 2010</ref> These populations often decline in later years as the tree seedlings sheltered by the blackberry canes grow and reduce the amount of light reaching the lower levels.<ref name=eco1 />▼
The berries are edible and nutritious. They can be eaten raw or cooked into various treats, including pies, cobblers, muffins, jellies, and jams.<ref name=MO/>
==Ecology==
Many mammals eat the fruit, including [[elk]], [[Fox|foxes]], [[American black bear|American black bears]], rabbits, [[Raccoon|raccoons]], [[Virginia opossum|opossums]], squirrels, mice, and chipmunks, and deer will browse the young canes. Blackberries are also an important food source for many species of birds. The mammals and birds that eat the fruit then disperse the seed in their droppings, enabling the plant to spread to new locations. A wide variety of native bees, butterflies, beetles, flies, ants, wasps, and other insects are attracted to the nectar and pollen of the flowers, and caterpillars, grasshoppers, beetles eat the leaves. Birds and small mammals use the thickets formed by the canes for shelter.<ref name=MO/>
▲The presence of
▲Concentrations of ''
==References==
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==External links==
* [
* [http://www.tropicos.org/ImageFullView.aspx?imageid=100122833 photo of herbarium specimen at Missouri Botanical Garden, collected in Missouri in 1992]
* {{Calflora|Rubus allegheniensis}}
* {{PFAF|Rubus villosus}}
* {{PFAF|Rubus avipes}}
{{Taxonbar|from=Q276439}}
[[Category:Rubus|allegheniensis]]
[[Category:Berries]]
[[Category:Flora of
[[Category:Plants described in 1890]]
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