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Quercus nigra L.
WATER OAK
Life   Plantae   Dicotyledoneae   Fagaceae   Quercus

Quercus nigra
© Copyright Bobby Hattaway 2011 · 5
Quercus nigra

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Quercus nigra
© Copyright Bobby Hattaway 2011 · 5
Quercus nigra
Quercus nigra
© Copyright Bobby Hattaway 2011 · 5
Quercus nigra

Quercus nigra
© Copyright Bobby Hattaway 2011 · 5
Quercus nigra
Quercus nigra
© Copyright Bobby Hattaway 2011 · 5
Quercus nigra

Quercus nigra
© Copyright Bobby Hattaway 2011 · 5
Quercus nigra
Quercus nigra
© Copyright Bobby Hattaway 2011 · 5
Quercus nigra

Quercus nigra
© Copyright Joshua Wimberly 2012 · 5
Quercus nigra
Quercus nigra
© Copyright Joshua Wimberly 2012 · 5
Quercus nigra

Quercus nigra
© Copyright Joshua Wimberly 2012 · 5
Quercus nigra
Quercus nigra
© Copyright Joshua Wimberly 2012 · 5
Quercus nigra

Quercus nigra
© Copyright Joshua Wimberly 2012 · 5
Quercus nigra
Quercus nigra, leaf - showing orientation on twig
© Copyright Steve Baskauf, 2002-2011 · 4
Quercus nigra, leaf - showing orientation on twig

Quercus nigra, leaf - whole upper surface
© Copyright Steve Baskauf, 2002-2011 · 4
Quercus nigra, leaf - whole upper surface
Quercus nigra, whole tree or vine - general
© Copyright Steve Baskauf, 2002-2011 · 4
Quercus nigra, whole tree or vine - general

Hosts · map
FamilyScientific name @ source (records)
_  Plantae @ I_GSJW (5)

Associates · map
FamilyScientific name @ source (records)
Achilidae  Catonia @ MEMU_ENT (1)
Agaricaceae  Phoma dendritica @ BPI (2)
Amphisphaeriaceae  Pestalotia hysteriiformis @ BPI (2)

Pestalotia monochaeta @ BPI (1)

Pestalotia taphrinicola @ BPI (1)

Pestalozzina hystereiformis @ BPI (1)
Aphididae  Kaltenbachiella ulmifusa @ AMNH_PBI (2)

Lachnochaitophorus obscurus @ NCSU_ENT (6)

Lachnochaitophorus querceus @ CSUC_TCN (2)

Myzocallis ( @ CSUC_TCN (4); AMNH_PBI (4); NCSU (4)

Stegophylla quercicola @ NCSU (5)

Thelaxes californica @ CSCA_TCN (4)
Arctiidae  Halysidota tessellaris @ I_HVS (1)
Ascodichaenaceae  Dichaena quercina @ BPI (1)
Botryosphaeriaceae  Diplodia @ BPI (1)

Phyllosticta livida @ BPI (2)
Cicadellidae  Alebra aurea @ MEMU_ENT (2)

Draeculacephala zeae @ MEMU_ENT (1)

Erasmoneura vulnerata @ III (2)

Eratoneura acantha @ III (12)

Eratoneura accola @ III (1)

Eratoneura adunca @ III (14)

Eratoneura affinis @ III (5)

Eratoneura arta @ III (4)

Eratoneura basilaris @ III (1)

Eratoneura bigemina @ III (1)

Eratoneura bispinosa @ III (2)

Eratoneura brevipes @ III (11)

Eratoneura campora @ III (1)

Eratoneura carmini @ III (4)

Eratoneura comoides @ AMNH_IZC (2); III (28)

Eratoneura curta @ III (1)

Eratoneura delongi @ III (31)

Eratoneura dumosa @ III (1)

Eratoneura ellisi @ III (7)

Eratoneura emquu @ AMNH_IZC (1); III (9)

Eratoneura firma @ III (1)

Eratoneura gemina @ III (47)

Eratoneura gilesi @ III (9)

Eratoneura igella @ III (2)

Eratoneura immota @ III (5)

Eratoneura impar @ III (1)

Eratoneura inepta @ III (2)

Eratoneura knullae @ III (6)

Eratoneura lenta @ III (2)

Eratoneura linea @ III (1)

Eratoneura longa @ III (10)

Eratoneura lunata @ III (1)

Eratoneura maga @ III (4)

Eratoneura manus @ III (1)

Eratoneura millsi @ III (10)

Eratoneura mimica @ III (1)

Eratoneura osborni @ III (2)

Eratoneura parva @ III (2)

Eratoneura patris @ III (11)

Eratoneura penesica @ III (3)

Eratoneura phellos @ III (3)

Eratoneura propria @ III (4)

Eratoneura restricta @ III (1)

Eratoneura robusta @ III (1)

Eratoneura sebringensis @ III (1)

Eratoneura sorota @ III (1)

Eratoneura staminea @ III (2)

Eratoneura stoveri @ III (1)

Eratoneura tammina @ III (1)

Eratoneura triangulata @ III (1)

Eratoneura turgida @ III (2)

Eratoneura unca @ III (1)

Eratoneura ungulata @ III (1)

Eratoneura usitata @ III (1)

Erythridula cornipes @ III (1)

Erythridula cruciformis @ III (1)

Erythridula fulvocephala @ III (1)

Erythridula herberti @ III (1)

Erythridula jocosa @ III (3)

Erythridula minuta @ III (3)

Erythridula nigriphylla @ III (3)

Erythridula obliqua @ III (1)

Erythridula obvia @ III (2)

Erythridula parvispicata @ III (5)

Erythridula pfrimmeri @ III (1)

Erythridula plena @ III (1)

Erythridula ulmalatae @ III (1)

Erythridula volucris @ III (7)

Erythridula zephyr @ III (1)

Erythroneura bistrata @ III (2)

Erythroneura diva @ III (1)

Erythroneura kerzhneri @ III (1)

Graphocephala coccinea @ MEMU_ENT (1)
Cixiidae  Cixius angustatus @ UDCC_TCN (1)

Oliarus vicarius @ MEMU_ENT (1)
Coccidae  Parthenolecanium corni @ MEMU_ENT (14)
Corticiaceae  Corticium @ BPI (1)
Cortinariaceae  Crepidotus mollis @ BPI (1)
Cronartiaceae  Cronartium cerebrum @ BPI (5)

Cronartium fusiforme @ BPI (49)

Cronartium quercus @ BPI (1)

Cronartium quercuum @ BPI (3)

Cronartium strobilinum @ BPI (2)
Cryphonectriaceae  Endothia gyrosa @ BPI (18)

Endothia radicalis @ BPI (1)
Derbidae  Cedusa @ MEMU_ENT (2)
Diaspididae  Abgrallaspis colorata @ MEMU_ENT (5)

Aspidiotus ancylus @ MEMU_ENT (2)

Diaspidiotus forbesi @ MEMU_ENT (3)

Diaspidiotus osborni @ MEMU_ENT (14)

Melanaspis obscura @ MEMU_ENT (15)

Melanaspis tenebricosa @ MEMU_ENT (1)
Diatrypaceae  Diatrype dryophila @ BPI (1)

Diatrype stigma @ BPI (1)

Diatrype subferruginea @ BPI (1)
Elsinoaceae  Elsinoe quercicola @ BPI (1)
Entolomataceae  Entoloma @ BPI (1)
Eriococcidae  Eriococcus quercus @ MEMU_ENT (6)

Eriococcus @ MEMU_ENT (2)
Erysiphaceae  Microsphaera alni @ BPI (14)

Microsphaera penicillata @ BPI (1)

Microsphaera quercina @ BPI (2)

Phyllactinia corylea @ BPI (3)

Phyllactinia guttata @ BPI (1)

Phyllactinia suffulta @ BPI (2)
Flatidae  Ormenis pruinosa @ MEMU_ENT (4)

Ormenoides venusta @ MEMU_ENT (1); UDCC_TCN (1)
Fomitopsidaceae  Daedalea unicolor @ BPI (1)
Ganodermataceae  Ganoderma curtisii @ BPI (1)

Ganoderma sessile @ BPI (2)

Lazulinospora wakefieldii @ BPI (1)
Gnomoniaceae  Gnomonia clavulata @ BPI (2)
Graphidaceae  Graphis scripta @ GAL (1)

Graphis @ GAL (1)

Phaeographis inusta @ GAL (2)

Phaeographis @ GAL (1)
Haematommataceae  Haematomma @ GAL (2)
Helminthosphaeriaceae  Spadicoides atra @ BPI (1)
Helotiaceae  Calloriopsis gelatinosa @ BPI (2)
Hyaloscyphaceae  Lachnum ciliare @ 659530B (1); 659530A (1)
Hydnaceae  Hydnum erinaceus @ BPI (1)
Hymenochaetaceae  Inonotus quercustris @ BPI (1)
Hypocreaceae  Hypocrea pallida @ BPI (1)
Hysteriaceae  Hysterographium vulvatum @ BPI (1)
Kermesidae  Allokermes galliformis @ MEMU_ENT (12)

Allokermes kosztarabi @ CSCA_TCN (1)

Kermes arizonensis @ MEMU_ENT (6)

Kermes @ MEMU_ENT (38)
Lecanoraceae  Lecanora subpallens @ GAL (1)

Lecanora thysanophora @ GAL (1)

Pyrrhospora russula @ GAL (3)
Melanconidaceae  Melanconium bicolor @ BPI (1)
Meliolaceae  Irenopsis quercifolia @ BPI (10)
Membracidae  Archasia auriculata @ UDCC_TCN (1); NCSU (1)

Archasia belfragei @ UDCC_TCN (5)

Atymna querci @ UDCC_TCN (1)

Cyrtolobus arcuatus @ UDCC_TCN (1); AMNH_ENT (1)

Cyrtolobus clarus @ NCSU (10); UDCC_TCN (99)

Cyrtolobus discoidalis @ NCSU (9); UDCC_TCN (31); AMNH_ENT (1)

Cyrtolobus fenestratus @ UDCC_NRI (1); UDCC_TCN (65); NCSU (122)

Cyrtolobus fuliginosus @ UDCC_TCN (2); NCSU (7)

Cyrtolobus fuscipennis @ NCSU (1)

Cyrtolobus inermis @ UDCC_TCN (4); NCSU (1)

Cyrtolobus maculifrontis @ UDCC_TCN (3)

Cyrtolobus ovatus @ UDCC_TCN (15); NCSU (3)

Cyrtolobus puritanus @ UDCC_TCN (1)

Cyrtolobus togatus @ UDCC_TCN (14); NCSU (10)

Cyrtolobus tuberosus @ AMNH_ENT (11); UDCC_TCN (5)

Entylia carinata @ UDCC_TCN (1); NCSU (3)

Ophiderma definita @ UDCC_TCN (55); NCSU (73)

Ophiderma evelyna @ UDCC_TCN (3); NCSU (21)

Ophiderma flavicephala @ UDCC_TCN (117); NCSU (81)

Ophiderma salamandra @ UDCC_TCN (1); NCSU (1)

Platycotis vittata @ NCSU (131); AMNH_ENT (6); UDCC_TCN (18)

Smilia camelus @ UDCC_TCN (40); NCSU (12)

Smilia fasciata @ NCSU (95); UDCC_TCN (87)

Spissistilus festinus @ MEMU_ENT (1)

Stictocephala brevitylus @ UDCC_TCN (3)

Stictocephala lutea @ NCSU (1); UDCC_TCN (3)

Stictocephala stimulea @ NCSU (7)

Telamona monticola @ NCSU (2)

Xantholobus muticus @ NCSU (1)

Xantholobus nitidus @ UDCC_TCN (1)

Xantholobus tumidus @ UDCC_TCN (1)
Miridae  Atractotomus miniatus @ AMNH_PBI (1)

Deraeocoris nebulosus @ MEMU_ENT (1)

Gn_orthotylinigp11 sp_001 @ AMNH_PBI (1)

Gn_orthotylinigp11 sp_003 @ AMNH_PBI (1)

Hamatophylus guttulosus @ AMNH_PBI (1)

Myrtlemiris tesselatus @ AMNH_PBI (1)

Neolygus quercalbae @ NCSU_ENT (1)
Mycosphaerellaceae  Discella quercina @ BPI (1)

Septoria dryina @ BPI (2)
Nectriaceae  Cylindrium griseum @ BPI (1)
Ochrolechiaceae  Ochrolechia africana @ GAL (1)
Parmeliaceae  Bulbothrix goebelii @ GAL (2)

Bulbothrix @ GAL (1)

Canoparmelia caroliniana @ GAL (1)

Canoparmelia cryptochlorophaea @ GAL (2)

Hypotrachyna livida @ GAL (1)

Parmelinopsis minarum @ GAL (1)

Parmotrema dilatatum @ GAL (1)

Parmotrema perforatum @ GAL (1)

Parmotrema tinctorum @ GAL (1)

Usnea strigosa @ GAL (1)
Patellariaceae  Lecanidion simile @ BPI (1)
Pertusariaceae  Pertusaria leioplaca @ GAL (1)

Pertusaria multipunctoides @ GAL (1)

Pertusaria texana @ GAL (1)
Phyllachoraceae  Trabutia quercina @ BPI (2)
Physciaceae  Buellia stillingiana @ GAL (1)

Heterodermia obscurata @ GAL (1)

Physcia americana @ I_GBP (1)
Polyporaceae  Fomes everhartii @ BPI (2)

Fomes marmoratus @ BPI (3)

Fomes robustus @ BPI (4)

Fomes viticola @ BPI (1)

Globifomes graveolens @ BPI (1)

Polyporus cuticularis @ BPI (1)

Polyporus dichrous @ BPI (2)

Polyporus dryadeus @ BPI (2)

Polyporus fissilis @ BPI (1)

Polyporus gilvus @ BPI (1)

Polyporus gratzianus @ BPI (2)

Polyporus hirsutus @ BPI (3)

Polyporus hispidus @ BPI (3)

Polyporus ludovicianus @ BPI (2)

Polyporus obtusus @ BPI (1)

Polyporus pargamenus @ BPI (2)

Polyporus perplexus @ BPI (2)

Polyporus sector @ BPI (1)

Polyporus spraguei @ BPI (1)

Polyporus supinus @ BPI (1)

Polyporus versicolor @ BPI (2)

Polyporus @ BPI (2)

Poria andersonii @ BPI (1)

Poria deformis @ BPI (1)

Poria medulla-panis @ BPI (1)

Poria robusta @ BPI (1)

Trametes cubensis @ BPI (1)
Pseudococcidae  Eurycoccus blanchardii @ MEMU_ENT (6)
Pucciniaceae  Gymnosporangium clavipes @ BPI (1)
Pyrenulaceae  Pyrenula pseudobufonia @ GAL (1)
Ramalinaceae  Bacidia schweinitzii @ GAL (2)
Reduviidae  Triatoma sanguisuga @ AMNH_PBI (2)

Zelus luridus @ NCSU_ENT (2)
Rhytismataceae  Coccomyces dentatus @ BPI (1)

Coccomyces radiatus @ BPI (2)
Sciuridae  Sciurus carolinensis @ I_EHCP (1)
Septobasidiaceae  Septobasidium castaneum @ BPI (10)

Septobasidium langloisii @ BPI (1)

Septobasidium pseudopedicellatum @ BPI (1)

Septobasidium sinuosum @ BPI (11)
Steccherinaceae  Irpex cinnamomeus @ BPI (2)
Stereaceae  Stereum complicatum @ BPI (1)

Stereum fasciatum @ BPI (2)

Stereum fuscum @ BPI (1)

Stereum gausapatum @ BPI (1)

Stereum ochraceoflavum @ BPI (1)

Stereum ostrea @ BPI (1)

Stereum rameale @ BPI (1)

Stereum subpileatum @ BPI (2)
Taphrinaceae  Taphrina caerulescens @ BPI (41)
Tremellaceae  Tremella frondosa @ BPI (1)
Tubeufiaceae  Thaxteriella lignicola @ BPI (1)
Valsaceae  Valsa ceratophora @ BPI (2)

Valsa lutescens @ BPI (1)
Xylariaceae  Hypoxylon atropunctatum @ BPI (4)

Hypoxylon fuscum @ BPI (1)

Hypoxylon malleolus @ BPI (1)

Hypoxylon marginatum @ BPI (1)

Hypoxylon punctulatum @ BPI (2)

Hypoxylon rubiginosum @ BPI (2)

Hypoxylon truncatum @ BPI (3)

Rosellinia ambigna @ BPI (1)

Sphaeria obesa @ BPI (1)

Xylaria hypoxylon @ BPI (2)
_  Actinopelte dryina @ BPI (2)

Camarosporium variabile @ BPI (2)

Chaetophoma quercifolia @ BPI (1)

Melanops ferruginea @ BPI (1)

Microcera coccophila @ BPI (1)

Morenoella quercina @ BPI (1)

Sphaerostilbe coccophila @ BPI (3)

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Following modified from Flora of North America
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FNA | Family List | FNA Vol. 3 | Fagaceae | Quercus

15. Quercus nigra Linnaeus, Sp. Pl. 2: 995. 1753.

Water oak, chêne gris

Quercus nana Willdenow; Q . nigra var. tridentifera Sargent; Q . uliginosa Wangenheim

Trees , deciduous or tardily deciduous, to 30 m. Bark grayish black, fissures irregular, shallow, inner bark pinkish. Twigs dark red-brown, 1.5-2.5 mm diam., glabrous. Terminal buds reddish brown, ovoid, 3-6.5 mm, puberulent throughout, occasionally densely pubescent on apical 2/3. Leaves: petiole 2-9 mm, glabrous. Leaf blade distinctly obtrullate, rarely elliptic or merely obovate, widest near apex, 30-120(-160) × 15-60(-70) mm, base attenuate or cuneate, rarely rounded, margins entire with 1 apical awn or with 2-3 shallow lobes and 2-5 awns (leaves on juvenile or 2d-flush growth may be deeply lobed with more awns), apex obtuse to blunt or rounded; surfaces abaxially glabrous except for minute or conspicuous axillary tufts of tomentum, veins rarely raised, adaxially glabrous with secondary veins somewhat impressed. Acorns biennial; cup saucer-shaped, 2.5-5.5 mm high × 10-18 mm wide, covering 1/4 nut or less, outer surface puberulent, inner surface sparsely to uniformly pubescent, scale tips tightly appressed, acute; nut broadly ovoid, 9.5-14 × 9.5-14.5 mm, often faintly striate, glabrate, scar diam. 6-11.5 mm.

Flowering spring. Mesic alluvial and lowland sites, also barrens, dunes, hammocks, and low ridges to steep slopes; 0-450 m; Ala., Ark., Del., Fla., Ga., Ky., La., Md., Miss., Mo., N.J., N.C., Okla., S.C., Tenn., Tex., Va.

Typically on mesic alluvial and lowland sites, Quercus nigra also occurs on a wide variety of soil types and in a diversity of habitats.

Trees with 3-lobed leaves with attenuate bases have been recognized as Quercus nigra var. tridentifera Sargent.

Quercus nigra reportedly hybridizes with Q . falcata (= Q . × garlandensis E. J. Palmer), Q . incana , Q . laevis (= Q . × walteriana Ashe), Q . marilandica (= Q . × sterilis Trelease), Q . phellos (= Q . × capesii W. Wolf), Q . shumardii (= Q . × neopalmeri Sudworth), and Q . velutina ( Q . × demarei Ashe). In addition, D. M. Hunt (1989) cited evidence of hybridization also with Q . arkansana , Q . georgiana , Q . hemisphaerica , Q . laurifolia , Q . myrtifolia , Q . palustris , Q . rubra , and Q . texana.

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Quercus+nigra&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Quercus+nigra&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant
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Updated: 2017-12-13 06:10:57 gmt
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