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Featured Galleries: Know Your Oaks

A collection of photographs, artwork, books, and articles from the Sterling Morton Library Special Collections to aid in the identification and understanding of specific oak species. 

Common European oak, Quercus robur and European white oak, Quercus pedunculata
Pin oak, Quercus palustris
Red oak , Quercus rubra
Over cup white oak, Quercus macrocarpa
Tree of the month No. 14: Bur oak, Quercus macrocarpa
White oak, Quercus alba, Stage 10 (photostat)
Illinois Tree Trail, Pin oak, (Quercus palustris)
Arboretum Landscape Teaching Aid Series: Know, Know, Know Your Oaks, This Is How They Grow
Know Know Know Your Oaks, Music Video
Bulletin of Popular Information V. 11 No. 05
Bulletin of Popular Information V. 19 No. 11-12
The Destructible Oak
1524 more
An Essay on Illinois Oaks
Hill’s Oak (Quercus ellipsoidalis)
Chinkapin Oak: Satisfaction for the Homeowner, Skullduggery for the Botanist
Site Changes and Root Damage: Some Problems with Oaks
White Oak, Quercus alba: Beech Family (Fagaceae)
Bur Oak, Quercus macrocarpa: Beech Family (Fagaceae)
Acorns Large & Small
Who am I this time? The affinities and misbehaviors of Hill's oak (Quercus ellipsoidalis)
Using phylogenomics to infer the evolutionary history of oaks
Sympatric parallel diversification of major oak clades in the Americas and the origins of Mexican species diversity
Thinning effects on canopy structure and ground layer diversity in a burned mesic oak savanna
The evolution and diversification of the red oaks of the California Floristic Province (Quercus section Lobatae, series Agrifoliae)
A genetic legacy of introgression confounds phylogeny and biogeography in oaks
Hybridization and divergence in multi-species oak (Quercus) communities
The effects of prescribed burning on soil and litter invertebrate diversity and abundance in an Illinois oak woodland
Phylogeny and biogeography of the American live oaks (Quercus subsection Virentes): a genomic and population genetics approach
A framework phylogeny of the American oak clade based on sequenced RAD data
Global patterns of leaf defenses in oak species
Taxonomy of Hill's Oak (Quercus ellipsoidalis: Fagaceae): Evidence from AFLP data
Long-term changes in an oak forest's woody understory and herb layer with repeated burning
The effect of paclobutrazol treatment on starch content, mycorrhizal colonization, and fine root density of white oaks (Quercus alba L.)
Effects of soil pH, root density, and tree growth regulator treatments on pin oak chlorosis
Should Hybridization Make Us Skeptical of the Oak Phylogeny?
CW Regional Oak Recovery Plan
Hill’s oak: The taxonomy and dynamics of a western Great Lakes endemic
Phylogenetic and trait similarity to a native species predict herbivory on non-native oaks.
IUCN Red List of US Oaks
Illustrations of West American oaks
Notes on the Bartram oak : Quercus heterophylla, Michx.
The oak : a popular introduction to forest-botany
Histoire des chênes de l'Amérique ou, Descriptions et figures de toutes les espèces et variétés de chênes de l'Amérique Septentrionale, considérées sous les rapports de la botanique, de leur culture et de leur usage
Quercus alba : the veteran of the Ozarks
De varia Quercus historia : accessit Pylati montis descriptio
Histoire du chêne dans l'antiquité & dans la nature : ses applications à l'industrie, aux constructions navales, aux sciences et aux arts, etc.
Quercus (oak), habit, summer
Quercus (oak), fall
Quercus ×deamii (Deam's oak), Oak Collection
Quercus velutina (Black Oak), oak wilt
Quercus (oak), woods with understory
Quercus (oak), fall leaves
Quercus (oak), seedling
Quercus (oak), fallen acorns detail
Quercus (oak), diseased leaves
Quercus (oak), acorn habitat
Quercus (oak), habit, early fall
Quercus (oak), dying trees near residence
Quercus alba (white oak) and Quercus macrocarpa (bur oak), acorns detail
Quercus alba (white oak), habit
Quercus alba (white oak), habit
Quercus ellipsoidalis (Hill's Oak), habit, fall
Quercus ellipsoidalis (Hill's Oak), leaf, lower surface
Quercus ellipsoidalis (Hill's Oak), leaf, lower surface
Quercus ellipsoidalis (Hill's Oak), leaf, lower surface
Quercus ellipsoidalis (Hill's Oak), leaf, spring
Quercus ellipsoidalis (Hill's Oak), leaf, spring
Quercus ellipsoidalis (Hill's Oak), leaf, spring
Quercus ellipsoidalis (Hill's Oak), leaf, spring
Quercus ellipsoidalis (Hill's Oak), leaf, spring
Quercus ellipsoidalis (Hill's Oak), leaf, spring
Quercus ellipsoidalis (Hill's Oak), leaf, winter
Quercus ellipsoidalis (Hill's Oak), leaf, winter
Quercus montana (Chestnut Oak), fruit, immature
Quercus montana (Chestnut Oak), fruit, immature
Quercus montana (Chestnut Oak), fruit, immature
Quercus montana (Chestnut Oak), habit, fall
Quercus montana (Chestnut Oak), leaf, fall
Quercus montana (Chestnut Oak), leaf, fall
Quercus montana (Chestnut Oak), leaf, fall
Quercus montana (Chestnut Oak), leaf, fall
Quercus montana (Chestnut Oak), leaf, summer
Quercus muehlenbergii (Chinkapin Oak), bark, trunk
Quercus muehlenbergii (Chinkapin Oak), habit, fall
Quercus muehlenbergii (Chinkapin Oak), leaf, fall
Quercus muehlenbergii (Chinkapin Oak), leaf, fall
Quercus muehlenbergii (Chinkapin Oak), leaf, fall
Quercus muehlenbergii (Chinkapin Oak), leaf, summer
Quercus muehlenbergii (Chinkapin Oak), leaf, summer
Quercus muehlenbergii (Chinkapin Oak), fruit, immature
Quercus muehlenbergii (Chinkapin Oak), fruit, mature
Quercus muehlenbergii (Chinkapin Oak), fruit, mature
Quercus muehlenbergii (Chinkapin Oak), leaf, summer
Quercus rubra (Northern Red Oak), bark, trunk
Quercus rubra (Northern Red Oak), habit, fall
Quercus rubra (Northern Red Oak), habit, fall
Quercus rubra (Northern Red Oak), leaf, fall
Quercus ×jackiana (Vallonea Oak), bark, trunk
Quercus ×jackiana (Vallonea Oak), bark, trunk
Quercus ×jackiana (Vallonea Oak), flower, staminate
Quercus ×jackiana (Vallonea Oak), flower, staminate
Quercus ×jackiana (Vallonea Oak), fruit, immature
Quercus ×jackiana (Vallonea Oak), gall, twig
Quercus ×jackiana (Vallonea Oak), gall, twig
Quercus ×jackiana (Vallonea Oak), habit, spring
Quercus ×jackiana (Vallonea Oak), inflorescence
Quercus ×jackiana (Vallonea Oak), leaf, lower surface
Quercus ×jackiana (Vallonea Oak), leaf, lower surface
Quercus ×jackiana (Vallonea Oak), leaf, new
Quercus ×jackiana (Vallonea Oak), leaf, new
Quercus ×jackiana (Vallonea Oak), leaf, summer
Quercus ×jackiana (Vallonea Oak), leaf, summer
Quercus ×jackiana (Vallonea Oak), leaf, upper surface
Quercus xbebbiana (Bebb's oak), bark detail
Quercus xbebbiana (Bebb's oak), habit, summer
Quercus macrocarpa (Bur Oak), Quercus alba (White Oak), habitat
Quercus ×deamii (Deam's oak), habit, summer
Quercus 'K. B. Crystal' (K. B. Crystal Oak), bark, branch
Quercus 'K. B. Crystal' (K. B. Crystal Oak), bark, trunk
Quercus 'K. B. Crystal' (K. B. Crystal Oak), bark, trunk
Quercus 'K. B. Crystal' (K. B. Crystal Oak), flower, staminate
Quercus 'K. B. Crystal' (K. B. Crystal Oak), flower, staminate
Quercus 'K. B. Crystal' (K. B. Crystal Oak), gall, twig
Quercus 'K. B. Crystal' (K. B. Crystal Oak), inflorescence
Quercus 'K. B. Crystal' (K. B. Crystal Oak), inflorescence
Quercus 'K. B. Crystal' (K. B. Crystal Oak), inflorescence
Quercus 'K. B. Crystal' (K. B. Crystal Oak), inflorescence
Quercus 'K. B. Crystal' (K. B. Crystal Oak), inflorescence
Quercus 'K. B. Crystal' (K. B. Crystal Oak), leaf, new
Quercus 'K. B. Crystal' (K. B. Crystal Oak), leaf, new
Quercus 'K. B. Crystal' (K. B. Crystal Oak), leaf, new
Quercus 'K. B. Crystal' (K. B. Crystal Oak), leaf, spring
Quercus 'K.B. Crystal' (K. B. Crystal Oak), bark, branch
Quercus 'K.B. Crystal' (K. B. Crystal Oak), bark, branch
Quercus 'K.B. Crystal' (K. B. Crystal Oak), bark, branch
Quercus 'K.B. Crystal' (K. B. Crystal Oak), bark, branch
Quercus 'K.B. Crystal' (K. B. Crystal Oak), bark, branch
Quercus 'K.B. Crystal' (K. B. Crystal Oak), bark, mature
Quercus 'K.B. Crystal' (K. B. Crystal Oak), bark, mature
Quercus 'K.B. Crystal' (K. B. Crystal Oak), bark, trunk
Quercus 'K.B. Crystal' (K. B. Crystal Oak), flower, pistillate
Quercus 'K.B. Crystal' (K. B. Crystal Oak), flower, pistillate
Quercus 'K.B. Crystal' (K. B. Crystal Oak), fruit, immature
Quercus 'K.B. Crystal' (K. B. Crystal Oak), fruit, immature
Quercus 'K.B. Crystal' (K. B. Crystal Oak), habit, fall
Quercus 'K.B. Crystal' (K. B. Crystal Oak), inflorescence
Quercus 'K.B. Crystal' (K. B. Crystal Oak), inflorescence
Quercus 'K.B. Crystal' (K. B. Crystal Oak), inflorescence
Quercus 'K.B. Crystal' (K. B. Crystal Oak), leaf, fall
Quercus 'K.B. Crystal' (K. B. Crystal Oak), leaf, fall
Quercus 'K.B. Crystal' (K. B. Crystal Oak), leaf, fall
Quercus 'K.B. Crystal' (K. B. Crystal Oak), leaf, lower surface
Quercus 'K.B. Crystal' (K. B. Crystal Oak), leaf, spring
Quercus 'K.B. Crystal' (K. B. Crystal Oak), leaf, upper surface
Quercus acutissima (Sawtooth Oak), acorn cap
Quercus acutissima (Sawtooth Oak), acorn cap
Quercus acutissima (Sawtooth Oak), bark, trunk
Quercus acutissima (Sawtooth Oak), bark, trunk
Quercus acutissima (Sawtooth Oak), bark, twig
Quercus acutissima (Sawtooth Oak), fruit, immature
Quercus acutissima (Sawtooth Oak), fruit, immature
Quercus acutissima (Sawtooth Oak), fruit, immature
Quercus acutissima (Sawtooth Oak), fruit, immature
Quercus acutissima (Sawtooth Oak), fruit, mature
Quercus acutissima (Sawtooth Oak), fruit, mature
Quercus acutissima (Sawtooth Oak), inflorescence
Quercus acutissima (Sawtooth Oak), inflorescence
Quercus acutissima (Sawtooth Oak), inflorescence
Quercus acutissima (Sawtooth Oak), inflorescence
Quercus acutissima (Sawtooth Oak), leaf, fall
Quercus acutissima (Sawtooth Oak), leaf, fall
Quercus acutissima (Sawtooth Oak), leaf, fall
Quercus acutissima (Sawtooth Oak), leaf, fall
Quercus acutissima (Sawtooth Oak), leaf, new
Quercus acutissima (Sawtooth Oak), leaf, new
Quercus acutissima (Sawtooth Oak), leaf, upper surface
Quercus alba (White Oak), acorn cap
Quercus alba (White Oak), acorn cap
Quercus alba (White Oak), bark, trunk
Quercus alba (White Oak), bark, trunk
Quercus alba (White Oak), flower, staminate
Quercus alba (White Oak), fruit, immature
Quercus alba (White Oak), fruit, immature
Quercus alba (White Oak), fruit, immature
Quercus alba (White Oak), fruit, immature
Quercus alba (White Oak), fruit, immature
Quercus alba (White Oak), fruit, immature
Quercus alba (White Oak), fruit, immature
Quercus alba (White Oak), fruit, immature
Quercus alba (White Oak), fruit, mature
Quercus alba (White Oak), fruit, mature
Quercus alba (White Oak), habit, fall
Quercus alba (White Oak), habit, fall
Quercus alba (White Oak), habit, spring
Quercus alba (White Oak), habit, spring
Quercus alba (White Oak), inflorescence
Quercus alba (White Oak), inflorescence
Quercus alba (White Oak), inflorescence
Quercus alba (White Oak), inflorescence
Quercus alba (White Oak), inflorescence
Quercus alba (White Oak), leaf, lower surface
Quercus alba (White Oak), leaf, new
Quercus alba (White Oak), leaf, new
Quercus alba (White Oak), leaf, new
Quercus alba (White Oak), leaf, spring
Quercus alba (White Oak), leaf, spring
Quercus aliena var. acutiserrata (Oriental White Oak), habit, fall
Quercus aliena var. acutiserrata (Oriental White Oak), habit, fall
Quercus aliena var. acutiserrata (Oriental White Oak), leaf, fall
Quercus aliena var. acutiserrata (Oriental White Oak), leaf, fall
Quercus aliena (Oriental White Oak), leaf, spring
Quercus aliena (Oriental White Oak), leaf, upper surface
Quercus bicolor (Swamp White Oak), bark, trunk
Quercus bicolor (Swamp White Oak), habit, fall
Quercus bicolor (Swamp White Oak), leaf, fall
Quercus bicolor (Swamp White Oak), leaf, fall
Quercus dentata 'Carl Ferris Miller' (Carl Ferris Miller Daimyo Oak), habit, spring
Quercus dentata 'Carl Ferris Miller' (Carl Ferris Miller Daimyo Oak), habit, spring
Quercus dentata 'Carl Ferris Miller' (Carl Ferris Miller Daimyo Oak), leaf, spring
Quercus dentata 'Carl Ferris Miller' (Carl Ferris Miller Daimyo Oak), leaf, spring
Quercus dentata 'Carl Ferris Miller' (Carl Ferris Miller Daimyo Oak), leaf, upper surface
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), bark, trunk
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), flower, pistillate
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), flower, staminate
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), flower, staminate
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), habit, fall
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), habit, spring
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), habit, spring
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), inflorescence
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), inflorescence
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), inflorescence
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), leaf, fall
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), leaf, fall
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), leaf, fall
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), leaf, fall
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), leaf, new
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), leaf, new
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), leaf, new
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), leaf, new
Quercus dentata 'Pinnatifida' (Cut-leaved Daimyo Oak), leaf, spring
Quercus dentata (Daimyo Oak), bark, trunk
Quercus dentata (Daimyo Oak), bark, trunk
Quercus dentata (Daimyo Oak), bud, terminal
Quercus dentata (Daimyo Oak), flower, staminate
Quercus dentata (Daimyo Oak), flower, staminate
Quercus dentata (Daimyo Oak), fruit, immature
Quercus dentata (Daimyo Oak), fruit, immature
Quercus dentata (Daimyo Oak), fruit, immature
Quercus dentata (Daimyo Oak), fruit, immature
Quercus dentata (Daimyo Oak), fruit, immature
Quercus dentata (Daimyo Oak), fruit, immature
Quercus dentata (Daimyo Oak), gall, leaf
Quercus dentata (Daimyo Oak), gall, leaf
Quercus dentata (Daimyo Oak), habit, fall
Quercus dentata (Daimyo Oak), inflorescence
Quercus dentata (Daimyo Oak), leaf, fall
Quercus dentata (Daimyo Oak), leaf, fall
Quercus dentata (Daimyo Oak), leaf, fall
Quercus dentata (Daimyo Oak), leaf, fall
Quercus dentata (Daimyo Oak), leaf, fall
Quercus dentata (Daimyo Oak), leaf, lower surface
Quercus dentata (Daimyo Oak), leaf, lower surface
Quercus dentata (Daimyo Oak), leaf, new
Quercus dentata (Daimyo Oak), leaf, new
Quercus dentata (Daimyo Oak), leaf, new
Quercus dentata (Daimyo Oak), leaf, spring
Quercus dentata (Daimyo Oak), leaf, spring
Quercus dentata (Daimyo Oak), leaf, spring
Quercus dentata (Daimyo Oak), leaf, spring
Quercus dentata (Daimyo Oak), leaf, spring
Quercus dentata (Daimyo Oak), leaf, spring
Quercus dentata (Daimyo Oak), leaf, spring
Quercus dentata (Daimyo Oak), leaf, spring
Quercus dentata (Daimyo Oak), leaf, upper surface
Quercus hartwissiana (Hartwiss' Oak), bark, trunk
Quercus hartwissiana (Hartwiss' Oak), bud, terminal
Quercus hartwissiana (Hartwiss' Oak), bud, terminal
Quercus hartwissiana (Hartwiss' Oak), habit, fall
Quercus hartwissiana (Hartwiss' Oak), leaf, fall
Quercus hartwissiana (Hartwiss' Oak), leaf, upper surface
Quercus ilicifolia (Bear Oak), acorn cap
Quercus ilicifolia (Bear Oak), acorn cap
Quercus ilicifolia (Bear Oak), acorn cap
Quercus ilicifolia (Bear Oak), acorn cap
Quercus ilicifolia (Bear Oak), bark, twig
Quercus ilicifolia (Bear Oak), bark, twig
Quercus ilicifolia (Bear Oak), flower, staminate
Quercus ilicifolia (Bear Oak), flower, staminate
Quercus ilicifolia (Bear Oak), habit, fall
Quercus ilicifolia (Bear Oak), habit, spring
Quercus ilicifolia (Bear Oak), habit, spring
Quercus ilicifolia (Bear Oak), habit, spring
Quercus ilicifolia (Bear Oak), inflorescence
Quercus ilicifolia (Bear Oak), inflorescence
Quercus ilicifolia (Bear Oak), inflorescence
Quercus ilicifolia (Bear Oak), inflorescence
Quercus ilicifolia (Bear Oak), inflorescence
Quercus ilicifolia (Bear Oak), inflorescence
Quercus ilicifolia (Bear Oak), leaf, fall
Quercus ilicifolia (Bear Oak), leaf, fall
Quercus ilicifolia (Bear Oak), leaf, fall
Quercus ilicifolia (Bear Oak), leaf, lower surface
Quercus ilicifolia (Bear Oak), leaf, new
Quercus ilicifolia (Bear Oak), leaf, spring
Quercus imbricaria (Shingle Oak), bark, twig
Quercus imbricaria (Shingle Oak), habit, fall
Quercus imbricaria (Shingle Oak), leaf, fall
Quercus imbricaria (Shingle Oak), leaf, fall
Quercus imbricaria (Shingle Oak), leaf, fall
Quercus lyrata (Overcup Oak), bark, branch
Quercus lyrata (Overcup Oak), habit, fall
Quercus lyrata (Overcup Oak), leaf, fall
Quercus lyrata (Overcup Oak), leaf, fall
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), bark, twig
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), habit, spring
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), habit, spring
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), habit, spring
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), leaf, fall
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), leaf, fall
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), leaf, fall
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), leaf, new
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), leaf, new
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), leaf, new
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), leaf, spring
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), leaf, spring
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), leaf, spring
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), leaf, spring
Quercus macrocarpa 'Eckman' (Eckman's Bur Oak), leaf, spring
Quercus marilandica (Blackjack Oak), bark, twig
Quercus marilandica (Blackjack Oak), bark, twig
Quercus marilandica (Blackjack Oak), fruit, immature
Quercus marilandica (Blackjack Oak), fruit, immature
Quercus marilandica (Blackjack Oak), fruit, immature
Quercus marilandica (Blackjack Oak), habit, fall
Quercus marilandica (Blackjack Oak), leaf, fall
Quercus marilandica (Blackjack Oak), leaf, fall
Quercus marilandica (Blackjack Oak), leaf, fall
Quercus marilandica (Blackjack Oak), leaf, summer
Quercus mongolica (Mongolian Oak), bark, trunk
Quercus mongolica (Mongolian Oak), bud, terminal
Quercus mongolica (Mongolian Oak), habit, fall
Quercus mongolica (Mongolian Oak), leaf, fall
Quercus mongolica (Mongolian Oak), leaf, fall
Quercus mongolica (Mongolian Oak), leaf, summer
Quercus mongolica (Mongolian Oak), leaf, summer
Quercus petraea ssp. iberica (Georgian Oak), bark, twig
Quercus petraea ssp. iberica (Georgian Oak), bark, twig
Quercus petraea ssp. iberica (Georgian Oak), bark, twig
Quercus petraea ssp. iberica (Georgian Oak), habit, fall
Quercus petraea ssp. iberica (Georgian Oak), habit, spring
Quercus petraea ssp. iberica (Georgian Oak), inflorescence
Quercus petraea ssp. iberica (Georgian Oak), inflorescence
Quercus petraea ssp. iberica (Georgian Oak), leaf, fall
Quercus petraea ssp. iberica (Georgian Oak), leaf, fall
Quercus petraea ssp. iberica (Georgian Oak), leaf, fall
Quercus petraea ssp. iberica (Georgian Oak), leaf, fall
Quercus petraea ssp. iberica (Georgian Oak), leaf, fall
Quercus petraea ssp. iberica (Georgian Oak), leaf, lower surface
Quercus petraea ssp. iberica (Georgian Oak), leaf, lower surface
Quercus petraea ssp. iberica (Georgian Oak), leaf, spring
Quercus petraea ssp. iberica (Georgian Oak), leaf, upper surface
Quercus prinoides (Dwarf Chinkapin Oak), bark, branch
Quercus prinoides (Dwarf Chinkapin Oak), fruit, immature
Quercus prinoides (Dwarf Chinkapin Oak), fruit, immature
Quercus prinoides (Dwarf Chinkapin Oak), fruit, immature
Quercus prinoides (Dwarf Chinkapin Oak), fruit, immature
Quercus prinoides (Dwarf Chinkapin Oak), fruit, mature
Quercus prinoides (Dwarf Chinkapin Oak), fruit, mature
Quercus prinoides (Dwarf Chinkapin Oak), fruit, mature
Quercus prinoides (Dwarf Chinkapin Oak), fruit, mature
Quercus prinoides (Dwarf Chinkapin Oak), habit, fall
Quercus prinoides (Dwarf Chinkapin Oak), habit, fall
Quercus prinoides (Dwarf Chinkapin Oak), infructescence
Quercus prinoides (Dwarf Chinkapin Oak), infructescence
Quercus prinoides (Dwarf Chinkapin Oak), infructescence
Quercus prinoides (Dwarf Chinkapin Oak), infructescence
Quercus prinoides (Dwarf Chinkapin Oak), leaf, fall
Quercus prinoides (Dwarf Chinkapin Oak), leaf, fall
Quercus prinoides (Dwarf Chinkapin Oak), leaf, lower surface
Quercus prinoides (Dwarf Chinkapin Oak), leaf, summer
Quercus prinoides (Dwarf Chinkapin Oak), leaf, summer
Quercus prinoides (Dwarf Chinkapin Oak), leaf, upper surface
Quercus robur (English Oak), bark, trunk
Quercus shumardii (Shumard's Oak), bark, trunk
Quercus shumardii (Shumard's Oak), habit, fall
Quercus shumardii (Shumard's Oak), habit, fall
Quercus shumardii (Shumard's Oak), habit, spring
Quercus shumardii (Shumard's Oak), inflorescence
Quercus shumardii (Shumard's Oak), inflorescence
Quercus shumardii (Shumard's Oak), leaf, fall
Quercus shumardii (Shumard's Oak), leaf, fall
Quercus shumardii (Shumard's Oak), leaf, fall
Quercus shumardii (Shumard's Oak), leaf, lower surface
Quercus shumardii (Shumard's Oak), leaf, lower surface
Quercus shumardii (Shumard's Oak), leaf, spring
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, upper surface
Quercus variabilis (Oriental Oak), bark, mature
Quercus variabilis (Oriental Oak), flower, staminate
Quercus variabilis (Oriental Oak), flower, staminate
Quercus variabilis (Oriental Oak), habit, fall
Quercus variabilis (Oriental Oak), habit, fall
Quercus variabilis (Oriental Oak), inflorescence
Quercus variabilis (Oriental Oak), leaf, fall
Quercus variabilis (Oriental Oak), leaf, fall
Quercus variabilis (Oriental Oak), leaf, fall
Quercus variabilis (Oriental Oak), leaf, fall
Quercus variabilis (Oriental Oak), leaf, new
Quercus variabilis (Oriental Oak), leaf, new
Quercus variabilis (Oriental Oak), leaf, new
Quercus variabilis (Oriental Oak), leaf, spring
Quercus variabilis (Oriental Oak), leaf, spring
Quercus velutina (Black Oak), habit, fall
Quercus velutina (Black Oak), habit, spring
Quercus velutina (Black Oak), inflorescence
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, new
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus x bebbiana 'Taco' (Taco Bebb's Oak), flower, staminate
Quercus ×bebbiana 'Taco' (Taco Bebb's Oak), fruit, immature
Quercus ×bebbiana 'Taco' (Taco Bebb's Oak), habit, fall
Quercus ×bebbiana 'Taco' (Taco Bebb's Oak), habit, fall
Quercus x bebbiana 'Taco' (Taco Bebb's Oak), habit, spring
Quercus x bebbiana 'Taco' (Taco Bebb's Oak), inflorescence
Quercus x bebbiana 'Taco' (Taco Bebb's Oak), inflorescence
Quercus x bebbiana 'Taco' (Taco Bebb's Oak), inflorescence
Quercus ×bebbiana 'Taco' (Taco Bebb's Oak), leaf, fall
Quercus ×bebbiana 'Taco' (Taco Bebb's Oak), leaf, fall
Quercus ×bebbiana 'Taco' (Taco Bebb's Oak), leaf, fall
Quercus ×bebbiana 'Taco' (Taco Bebb's Oak), leaf, fall
Quercus ×bebbiana 'Taco' (Taco Bebb's Oak), leaf, fall
Quercus x bebbiana 'Taco' (Taco Bebb's Oak), leaf, lower surface
Quercus x bebbiana 'Taco' (Taco Bebb's Oak), leaf, new
Quercus x bebbiana 'Taco' (Taco Bebb's Oak), leaf, new
Quercus x bebbiana 'Taco' (Taco Bebb's Oak), leaf, new
Quercus ×bebbiana 'Taco' (Taco Bebb's Oak), leaf, summer
Quercus ×bebbiana 'Taco' (Taco Bebb's Oak), leaf, summer
Quercus ×bebbiana 'Taco' (Taco Bebb's Oak), leaf, upper surface
Quercus ×deamii (Deam's Oak), bark, trunk
Quercus ×deamii (Deam's Oak), bark, trunk
Quercus ×deamii (Deam's Oak), bark, trunk
Quercus ×deamii (Deam's Oak), fruit, immature
Quercus ×deamii (Deam's Oak), fruit, immature
Quercus ×deamii (Deam's Oak), fruit, immature
Quercus ×deamii (Deam's Oak), fruit, immature
Quercus ×deamii (Deam's Oak), fruit, immature
Quercus ×deamii (Deam's Oak), fruit, immature
Quercus ×deamii (Deam's Oak), habit, spring
Quercus ×deamii (Deam's Oak), inflorescence
Quercus ×deamii (Deam's Oak), leaf, spring
Quercus ×deamii (Deam's Oak), leaf, spring
Quercus ×deamii (Deam's Oak), leaf, spring
Quercus ×deamii (Deam's Oak), leaf, spring
Quercus ×guadalupensis (Guadalupe Oak), bark, branch
Quercus ×guadalupensis (Guadalupe Oak), bark, branch
Quercus ×guadalupensis (Guadalupe Oak), bark, twig
Quercus ×guadalupensis (Guadalupe Oak), habit, spring
Quercus ×guadalupensis (Guadalupe Oak), leaf, new
Quercus ×guadalupensis (Guadalupe Oak), leaf, new
Quercus ×guadalupensis (Guadalupe Oak), leaf, spring
Quercus ×guadalupensis (Guadalupe Oak), leaf, spring
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), bark, mature
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), bark, trunk
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), bark, twig
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), flower, staminate
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), fruit, mature
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), fruit, mature
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), fruit, mature
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), fruit, mature
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), habit, fall
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), habit, spring
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), habit, spring
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), inflorescence
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), leaf, fall
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), leaf, fall
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), leaf, spring
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), leaf, spring
Quercus ×macdanielii 'Clemons' PP 11431 (HERITAGE® Macdaniel's Oak), leaf, upper surface
Quercus ×sternbergii (Sternberg's Oak), bark, twig
Quercus ×sternbergii (Sternberg's Oak), inflorescence
Quercus ×sternbergii (Sternberg's Oak), leaf, fall
Quercus ×sternbergii (Sternberg's Oak), leaf, fall
Quercus ×sternbergii (Sternberg's Oak), leaf, fall
Quercus ×sternbergii (Sternberg's Oak), leaf, fall
Quercus ×sternbergii (Sternberg's Oak), leaf, lower surface
Quercus ×sternbergii (Sternberg's Oak), leaf, lower surface
Quercus ×sternbergii (Sternberg's Oak), leaf, spring
Quercus ×sternbergii (Sternberg's Oak), leaf, upper surface
Quercus ×subfalcata (Southern Red-Willow Hybrid Oak), fruit, immature
Quercus ×subfalcata (Southern Red-Willow Hybrid Oak), fruit, immature
Quercus ×subfalcata (Southern Red-Willow Hybrid Oak), leaf, summer
Quercus ×warei 'Long' PP 12673 (REGAL PRINCE® Ware's Oak), gall, twig
Quercus ×warei 'Long' PP 12673 (REGAL PRINCE® Ware's Oak), gall, twig
Quercus ×warei 'Long' PP 12673 (REGAL PRINCE® Ware's Oak), gall, twig
Quercus ×warei 'Long' PP 12673 (REGAL PRINCE® Ware's Oak), habit, fall
Quercus ×warei 'Long' PP 12673 (REGAL PRINCE® Ware's Oak), habit, spring
Quercus ×warei 'Long' PP 12673 (REGAL PRINCE® Ware's Oak), leaf, fall
Quercus ×warei 'Long' PP 12673 (REGAL PRINCE® Ware's Oak), leaf, fall
Quercus ×warei 'Long' PP 12673 (REGAL PRINCE® Ware's Oak), leaf, lower surface
Quercus ×warei 'Long' PP 12673 (REGAL PRINCE® Ware's Oak), leaf, lower surface
Quercus ×warei 'Long' PP 12673 (REGAL PRINCE® Ware's Oak), leaf, new
Quercus ×warei 'Long' PP 12673 (REGAL PRINCE® Ware's Oak), leaf, spring
Quercus ×warei 'Nadler' PP 17604 (KINDRED SPIRIT™ Ware's Oak), bark, twig
Quercus ×warei 'Nadler' PP 17604 (KINDRED SPIRIT™ Ware's Oak), bark, twig
Quercus ×warei 'Nadler' PP 17604 (KINDRED SPIRIT™ Ware's Oak), bark, twig
Quercus ×warei 'Nadler' PP 17604 (KINDRED SPIRIT™ Ware's Oak), bark, young
Quercus ×warei 'Nadler' PP 17604 (KINDRED SPIRIT™ Ware's Oak), habit, fall
Quercus ×warei 'Nadler' PP 17604 (KINDRED SPIRIT™ Ware's Oak), inflorescence
Quercus ×warei 'Nadler' PP 17604 (KINDRED SPIRIT™ Ware's Oak), leaf, fall
Quercus ×warei 'Nadler' PP 17604 (KINDRED SPIRIT™ Ware's Oak), leaf, fall
Quercus ×warei 'Nadler' PP 17604 (KINDRED SPIRIT™ Ware's Oak), leaf, new
Quercus ×warei 'Nadler' PP 17604 (KINDRED SPIRIT™ Ware's Oak), leaf, new
Quercus ×warei 'Nadler' PP 17604 (KINDRED SPIRIT™ Ware's Oak), leaf, new
Quercus ×warei 'Nadler' PP 17604 (KINDRED SPIRIT™ Ware's Oak), leaf, spring
Quercus ×warei (Ware's Oak), bark, branch
Quercus ×warei (Ware's Oak), gall
Quercus ×warei (Ware's Oak), gall
Quercus ×warei (Ware's Oak), gall, twig
Quercus ×warei (Ware's Oak), gall, twig
Quercus ×warei (Ware's Oak), gall, twig
Quercus ×warei (Ware's Oak), habit, fall
Quercus ×warei (Ware's Oak), leaf, fall
Quercus ×warei (Ware's Oak), leaf, fall
Quercus ×warei (Ware's Oak), leaf, new
Quercus ×warei (Ware's Oak), leaf, new
Quercus ×warei (Ware's Oak), leaf, new
Quercus ×warei (Ware's Oak), leaf, summer
Quercus ×warei (Ware's Oak), leaf, upper surface
Quercus alba (White Oak), Quercus macrocarpa (Bur Oak), habit, spring
Quercus alba (White Oak), Quercus macrocarpa (Bur Oak), habit, summer
Quercus (oak), section of mature trunks
Quercus alba (white oak), trunk
Quercus ellipsoidalis (Hill's oak), bud detail
Quercus ellipsoidalis (Hill's oak), habit, summer
Quercus ellipsoidalis (Hill's oak), habit, spring
Quercus ellipsoidalis (Hill's oak), habit, spring
Quercus ellipsoidalis (Hill's oak), habit, summer
Quercus ellipsoidalis (Hill's oak), young tree and man
Quercus ellipsoidalis (Hill's oak), red leaves and branches
Quercus ellipsoidalis (Hill's oak), habit, early spring
Quercus acerifolia (maple-leaved oak), leaves
Quercus alba (white oak), trunk
Quercus ellipsoidalis (Hill's Oak), acorn cap
Quercus ellipsoidalis (Hill's Oak), bark, mature
Quercus ellipsoidalis (Hill's Oak), bark, mature
Quercus ellipsoidalis (Hill's Oak), bark, trunk
Quercus ellipsoidalis (Hill's Oak), bark, trunk
Quercus ellipsoidalis (Hill's Oak), bud, lateral
Quercus ellipsoidalis (Hill's Oak), bud, lateral
Quercus ellipsoidalis (Hill's Oak), bud, terminal
Quercus ellipsoidalis (Hill's Oak), bud, terminal
Quercus ellipsoidalis (Hill's Oak), bud, terminal
Quercus ellipsoidalis (Hill's Oak), bud, terminal
Quercus ellipsoidalis (Hill's Oak), flower, pistillate
Quercus ellipsoidalis (Hill's Oak), flower, pistillate
Quercus ellipsoidalis (Hill's Oak), fruit, immature
Quercus ellipsoidalis (Hill's Oak), fruit, immature
Quercus ellipsoidalis (Hill's Oak), fruit, immature
Quercus ellipsoidalis (Hill's Oak), fruit, mature
Quercus ellipsoidalis (Hill's Oak), fruit, mature
Quercus ellipsoidalis (Hill's Oak), fruit, mature
Quercus ellipsoidalis (Hill's Oak), habit, fall
Quercus ellipsoidalis (Hill's Oak), habit, fall
Quercus ellipsoidalis (Hill's Oak), habit, summer
Quercus ellipsoidalis (Hill's Oak), leaf, fall
Quercus ellipsoidalis (Hill's Oak), leaf, fall
Quercus ellipsoidalis (Hill's Oak), leaf, fall
Quercus ellipsoidalis (Hill's Oak), leaf, fall
Quercus ellipsoidalis (Hill's Oak), leaf, fall
Quercus ellipsoidalis (Hill's Oak), leaf, fall
Quercus ellipsoidalis (Hill's Oak), leaf, fall
Quercus ellipsoidalis (Hill's Oak), leaf, lower surface
Quercus ellipsoidalis (Hill's Oak), leaf, lower surface
Quercus ellipsoidalis (Hill's Oak), leaf, lower surface
Quercus ellipsoidalis (Hill's Oak), leaf, lower surface
Quercus ellipsoidalis (Hill's Oak), leaf, summer
Quercus ellipsoidalis (Hill's Oak), leaf, summer
Quercus ellipsoidalis (Hill's Oak), leaf, summer
Quercus ellipsoidalis (Hill's Oak), leaf, summer
Quercus ellipsoidalis (Hill's Oak), leaf, summer
Quercus ellipsoidalis (Hill's Oak), leaf, summer
Quercus ellipsoidalis (Hill's Oak), leaf, summer
Quercus ellipsoidalis (Hill's Oak), leaf, upper surface
Quercus ellipsoidalis (Hill's Oak), leaf, upper surface
Quercus ellipsoidalis (Hill's Oak), leaf, upper surface
Quercus ellipsoidalis (Hill's Oak), leaf, upper surface
Quercus ellipsoidalis (Hill's Oak), leaf, upper surface
Quercus ellipsoidalis (Hill's Oak), leaf, lower surface
Quercus ellipsoidalis (Hill's Oak), leaf, lower surface
Quercus montana (Chestnut Oak), bark, trunk
Quercus montana (Chestnut Oak), bark, trunk
Quercus montana (Chestnut Oak), flower, pistillate
Quercus montana (Chestnut Oak), flower, pistillate
Quercus montana (Chestnut Oak), habit, fall
Quercus montana (Chestnut Oak), habit, winter
Quercus muehlenbergii (Chinkapin Oak), bark, mature
Quercus muehlenbergii (Chinkapin Oak), bark, trunk
Quercus muehlenbergii (Chinkapin Oak), bark, trunk
Quercus muehlenbergii (Chinkapin Oak), bark, trunk
Quercus muehlenbergii (Chinkapin Oak), bud, terminal
Quercus muehlenbergii (Chinkapin Oak), bud, terminal
Quercus muehlenbergii (Chinkapin Oak), bud, terminal
Quercus muehlenbergii (Chinkapin Oak), bud, terminal
Quercus muehlenbergii (Chinkapin Oak), flower, staminate
Quercus muehlenbergii (Chinkapin Oak), flower, staminate
Quercus muehlenbergii (Chinkapin Oak), flower, staminate
Quercus muehlenbergii (Chinkapin Oak), fruit, young
Quercus muehlenbergii (Chinkapin Oak), fruit, immature
Quercus muehlenbergii (Chinkapin Oak), fruit, immature
Quercus muehlenbergii (Chinkapin Oak), fruit, immature
Quercus muehlenbergii (Chinkapin Oak), fruit, mature
Quercus muehlenbergii (Chinkapin Oak), habit, fall
Quercus muehlenbergii (Chinkapin Oak), habit, fall
Quercus muehlenbergii (Chinkapin Oak), habit, winter
Quercus muehlenbergii (Chinkapin Oak), habit, winter
Quercus muehlenbergii (Chinkapin Oak), leaf, lower surface
Quercus muehlenbergii (Chinkapin Oak), leaf, spring
Quercus muehlenbergii (Chinkapin Oak), leaf, spring
Quercus muehlenbergii (Chinkapin Oak), leaf, summer
Quercus muehlenbergii (Chinkapin Oak), leaf, summer
Quercus muehlenbergii (Chinkapin Oak), leaf, summer
Quercus muehlenbergii (Chinkapin Oak), leaf, summer
Quercus muehlenbergii (Chinkapin Oak), leaf, upper surface
Quercus palustris (Pin Oak), bark, mature
Quercus palustris (Pin Oak), bark, mature
Quercus palustris (Pin Oak), bark, mature
Quercus palustris (Pin Oak), bark, mature
Quercus palustris (Pin Oak), bark, twig
Quercus palustris (Pin Oak), bud, vegetative
Quercus palustris (Pin Oak), fruit, immature
Quercus palustris (Pin Oak), fruit, immature
Quercus palustris (Pin Oak), fruit, mature
Quercus palustris (Pin Oak), habit, fall
Quercus palustris (Pin Oak), habit, fall
Quercus palustris (Pin Oak), habit, summer
Quercus palustris (Pin Oak), habit, winter
Quercus palustris (Pin Oak), habit, winter
Quercus palustris (Pin Oak), inflorescence
Quercus palustris (Pin Oak), inflorescence
Quercus palustris (Pin Oak), inflorescence
Quercus palustris (Pin Oak), inflorescence
Quercus palustris (Pin Oak), leaf, upper surface
Quercus palustris (Pin Oak), leaf, upper surface
Quercus rubra (Northern Red Oak), bark, mature
Quercus rubra (Northern Red Oak), bark, mature
Quercus rubra (Northern Red Oak), bark, mature
Quercus rubra (Northern Red Oak), bark, mature
Quercus rubra (Northern Red Oak), bark, mature
Quercus rubra (Northern Red Oak), bark, trunk
Quercus rubra (Northern Red Oak), bark, twig
Quercus rubra (Northern Red Oak), bud, vegetative
Quercus rubra (Northern Red Oak), bud, vegetative
Quercus rubra (Northern Red Oak), bud, vegetative
Quercus rubra (Northern Red Oak), flower, staminate
Quercus rubra (Northern Red Oak), fruit, mature
Quercus rubra (Northern Red Oak), fruit, mature
Quercus rubra (Northern Red Oak), habit, summer
Quercus rubra (Northern Red Oak), habit, summer
Quercus rubra (Northern Red Oak), habit, winter
Quercus rubra (Northern Red Oak), habit, winter
Quercus rubra (Northern Red Oak), habit, young
Quercus rubra (Northern Red Oak), habitat
Quercus rubra (Northern Red Oak), inflorescence
Quercus rubra (Northern Red Oak), leaf, fall
Quercus rubra (Northern Red Oak), leaf, fall
Quercus rubra (Northern Red Oak), leaf, fall
Quercus rubra (Northern Red Oak), leaf, fall
Quercus rubra (Northern Red Oak), leaf, lower surface
Quercus rubra (Northern Red Oak), leaf, lower surface
Quercus rubra (Northern Red Oak), leaf, new
Quercus rubra (Northern Red Oak), leaf, new
Quercus rubra (Northern Red Oak), leaf, new
Quercus rubra (Northern Red Oak), leaf, new
Quercus rubra (Northern Red Oak), leaf, spring
Quercus rubra (Northern Red Oak), leaf, spring
Quercus rubra (Northern Red Oak), leaf, spring
Quercus rubra (Northern Red Oak), leaf, spring
Quercus rubra (Northern Red Oak), leaf, summer
Quercus rubra (Northern Red Oak), leaf, summer
Quercus rubra (Northern Red Oak), leaf, upper surface
Quercus rubra (Northern Red Oak), leaf, upper surface
Quercus ×jackiana (Jack's oak), habit, summer
Quercus ×jackiana (Jack's oak), habit, summer
Quercus ×jackiana (Jack's oak), habit, summer
Quercus ×jackiana (Jack's oak), two tall trees
Quercus acerifolia (maple-leaved oak), habit, summer
Quercus acerifolia (maple-leaved oak), leaves
Quercus acerifolia (maple-leaved oak), leaves
Quercus acerifolia (maple-leaved oak), leaves
Quercus acerifolia (maple-leaved oak), leaves
Quercus acerifolia (maple-leaved oak), potted seedlings
Quercus acutissima (sawtooth oak), acorn cap
Quercus acutissima (sawtooth oak), section of crown
Quercus acutissima (sawtooth oak), hedgerow
Quercus acutissima (sawtooth oak), leaves
Quercus alba (white oak), habit, winter
Quercus alba (white oak), habit, late fall
Quercus alba (white oak), habit
Quercus alba (white oak), habit, early spring
Quercus alba (white oak), habit, late fall
Quercus alba (white oak), habit, early spring
Quercus alba (white oak), habit, early fall
Quercus alba (white oak), crown
Quercus agrifolia (California live oak), habit, spring
Quercus agrifolia (California live oak), crown
Quercus agrifolia (California live oak), habit, summer
Quercus agrifolia (California live oak), mature trunk detail
Quercus alba (white oak), bud detail
Quercus alba (white oak), bud detail
Quercus alba (white oak), male flower buds
Quercus alba (white oak), new leaves
Quercus alba (white oak), new leaves
Quercus alba (white oak), leaves and catkins
Quercus alba (white oak), male flowers
Quercus alba (white oak), diseased leaves
Quercus alba (white oak), twig with acorn and buds
Quercus alba (white oak), acorn and leaves detail
Quercus alba (white oak), acorn and leaves detail
Quercus alba (white oak), fallen acorn detail
Quercus alba (white oak), section of horizontal branches
Quercus alba (white oak), acorn, leaves and bark detail
Quercus alba (white oak), trunk and branches
Quercus alba (white oak), bark detail with signmarker
Quercus alba (white oak), bark detail
Quercus alba (white oak), habit, summer
Quercus alba (white oak), galls on trunk
Quercus alba (white oak), bark detail
Quercus alba (white oak), gall near trunk base detail
Quercus alba (white oak), galls near trunk base
Quercus alba (white oak), large trunk, early spring
Quercus alba (white oak), trunk base with brown leaves in snow
Quercus alba (white oak), tall trunk near road
Quercus alba (white oak), habit, fall
Quercus alba (white oak), leaf cluster detail
Quercus aliena (oriental white oak), habit, summer
Quercus aliena (oriental white oak), trunk and branches
Quercus aliena (oriental white oak), habit, summer
Quercus aliena (oriental white oak), trunk base detail
Quercus aliena (oriental white oak), bark detail
Quercus aliena (oriental white oak), leaves detail
Quercus aliena (oriental white oak), acorns and diseased leaves detail
Quercus aliena (oriental white oak), habit, summer
Quercus alba (white oak), bud detail
Quercus alba (white oak), bud detail
Quercus alba (white oak), bud detail
Quercus alba (white oak), bud detail
Quercus alba (white oak), female flowers detail
Quercus alba (white oak), bark detail
Quercus alba (white oak), mature trunk base
Quercus alba (white oak), galls near trunk base
Quercus alba (white oak), catkins detail
Quercus alba (white oak), acorns detail
Quercus alba (white oak), habit
Quercus alba (white oak), habit, spring
Quercus alba (white oak), fallen leaves
Quercus aliena (oriental white oak), leaves detail
Quercus aliena (oriental white oak), leaves detail
Quercus aliena (oriental white oak), leaves detail
Quercus aliena (oriental white oak), leaves detail
Quercus aliena (oriental white oak), bud and acorn detail
Quercus aliena (oriental white oak), habit, summer
Quercus aliena (oriental white oak), habit, summer
Quercus aliena (oriental white oak), habit, summer
Quercus bicolor (swamp white oak), bud detail
Quercus bicolor (swamp white oak), bud detail
Quercus bicolor (swamp white oak), bark and buds detail
Quercus bicolor (swamp white oak), leaves
Quercus bicolor (swamp white oak), acorn and leaves detail
Quercus coccinea (scarlet oak), habit, summer
Quercus coccinea (scarlet oak), habit, late summer
Quercus acerifolia (Maple-leaved Oak), bark, branch
Quercus acerifolia (Maple-leaved Oak), bark, mature
Quercus acerifolia (Maple-leaved Oak), bark, trunk
Quercus acerifolia (Maple-leaved Oak), bud, terminal
Quercus acerifolia (Maple-leaved Oak), fruit, immature
Quercus acerifolia (Maple-leaved Oak), fruit, immature
Quercus acerifolia (Maple-leaved Oak), habit, summer
Quercus acerifolia (Maple-leaved Oak), habit, summer
Quercus acerifolia (Maple-leaved Oak), habit, summer
Quercus acerifolia (Maple-leaved Oak), habit, summer
Quercus acerifolia (Maple-leaved Oak), habit, summer
Quercus acerifolia (Maple-leaved Oak), leaf, lower surface
Quercus acerifolia (Maple-leaved Oak), leaf, lower surface
Quercus acerifolia (Maple-leaved Oak), leaf, lower surface
Quercus acerifolia (Maple-leaved Oak), leaf, summer
Quercus acerifolia (Maple-leaved Oak), leaf, summer
Quercus acerifolia (Maple-leaved Oak), leaf, summer
Quercus acerifolia (Maple-leaved Oak), leaf, summer
Quercus acerifolia (Maple-leaved Oak), leaf, upper surface
Quercus rubra var. borealis (Northern Red Oak), leaf, fall
John Slavic seated on ground with oak puppet
Quercus bicolor (swamp white oak), mature trunk
Quercus bicolor (swamp white oak), leaves
Quercus bicolor (swamp white oak), leaves detail
Quercus bicolor (swamp white oak), male flowers detail
Quercus bicolor (swamp white oak), acorns and leaves detail
Quercus bicolor (swamp white oak), bark detail
Quercus bicolor (swamp white oak), bark detail
Quercus bicolor (swamp white oak), trunk detail
Quercus bicolor (swamp white oak), bark detail with plant label
Quercus bicolor (swamp white oak), bark detail with plant label
Quercus bicolor (swamp white oak), bark detail with scars and plant labels
Quercus bicolor (swamp white oak), acorn and leaves
Quercus bicolor (swamp white oak), bare trees in flooded woodland
Quercus bicolor (swamp white oak), habit, winter
Quercus bicolor (swamp white oak), habit, late winter
Quercus bicolor (swamp white oak), habit
Quercus bicolor (swamp white oak), bare trees in flooded woodland
Quercus bicolor (swamp white oak), habit
Quercus coccinea (scarlet oak), bark and buds detail
Quercus coccinea (scarlet oak), bud detail
Quercus coccinea (scarlet oak), leaves
Quercus coccinea (scarlet oak), fall leaves
Quercus coccinea (scarlet oak), catkins detail
Quercus coccinea (scarlet oak), female flowers detail
Quercus coccinea (scarlet oak), young acorns detail
Quercus coccinea (scarlet oak), acorn detail
Quercus coccinea (scarlet oak), trunk base with chestnut blight
Quercus coccinea (scarlet oak), trunk base with chestnut blight
Quercus coccinea (scarlet oak), habit, summer
Quercus coccinea (scarlet oak), habit, summer
Quercus coccinea (scarlet oak), habit, late summer
Quercus coccinea (scarlet oak), habit, late summer
Quercus coccinea (scarlet oak), habit, fall
Quercus coccinea (scarlet oak), habit, summer
Quercus coccinea (scarlet oak), habit, fall
Quercus coccinea (scarlet oak), habit, summer
Quercus coccinea (scarlet oak), habit, summer
Quercus coccinea (scarlet oak), habit, late summer
Quercus coccinea (scarlet oak), habit, fall
Quercus coccinea (scarlet oak), almost bare tall tree
Quercus coccinea (scarlet oak), almost bare branches and trunk
Quercus coccinea (scarlet oak), habit, fall
Quercus coccinea (scarlet oak), habit, fall
Quercus dentata (Daimyo oak), habit, summer
Quercus dentata (Daimyo oak), habit, summer
Quercus dentata (Daimyo oak), trunk and branches
Quercus dentata (Daimyo oak), habit, summer
Quercus dentata (Daimyo oak), habit, summer
Quercus dentata (Daimyo oak), habit, early fall
Quercus dentata (Daimyo oak), acorn detail
Quercus dentata (Daimyo oak), acorns on twig detail
Quercus dentata (Daimyo oak), acorn caps detail
Quercus falcata (southern red oak), various species, habit
Quercus falcata (southern red oak), leaves detail
Quercus 'K.B. Crystal' (K. B. Crystal Oak), flower, pistillate
Quercus 'K.B. Crystal' (K. B. Crystal Oak), leaf, summer
Quercus acutissima (Sawtooth Oak), bark, mature
Quercus acutissima (Sawtooth Oak), bark, mature
Quercus acutissima (Sawtooth Oak), habit, fall
Quercus acutissima (Sawtooth Oak), leaf, fall
Quercus acutissima (Sawtooth Oak), leaf, fall
Quercus alba (White Oak), bark, branch
Quercus alba (White Oak), bark, mature
Quercus alba (White Oak), bark, mature
Quercus alba (White Oak), bark, mature
Quercus alba (White Oak), bark, mature
Quercus alba (White Oak), bark, trunk
Quercus alba (White Oak), bark, twig
Quercus alba (White Oak), bark, twig
Quercus alba (White Oak), bark, twig
Quercus alba (White Oak), bark, young
Quercus alba (White Oak), bud, lateral
Quercus alba (White Oak), bud, terminal
Quercus alba (White Oak), bud, terminal
Quercus alba (White Oak), bud, terminal
Quercus alba (White Oak), flower, pistillate
Quercus alba (White Oak), flower, pistillate
Quercus alba (White Oak), flower, staminate
Quercus alba (White Oak), flower, staminate
Quercus alba (White Oak), flower, staminate
Quercus alba (White Oak), fruit, immature
Quercus alba (White Oak), fruit, immature
Quercus alba (White Oak), fruit, immature
Quercus alba (White Oak), fruit, immature
Quercus alba (White Oak), fruit, immature
Quercus alba (White Oak), fruit, mature
Quercus alba (White Oak), fruit, mature
Quercus alba (White Oak), fruit, mature
Quercus alba (White Oak), fruit, mature
Quercus alba (White Oak), fruit, mature
Quercus alba (White Oak), fruit, mature
Quercus alba (White Oak), fruit, mature
Quercus alba (White Oak), fruit, mature
Quercus alba (White Oak), habit, fall
Quercus alba (White Oak), habit, fall
Quercus alba (White Oak), habit, fall
Quercus alba (White Oak), habit, fall
Quercus alba (White Oak), habit, fall
Quercus alba (White Oak), habit, fall
Quercus alba (White Oak), habit, fall
Quercus alba (White Oak), habit, fall
Quercus alba (White Oak), habit, fall
Quercus alba (White Oak), habit, spring
Quercus alba (White Oak), habit, spring
Quercus alba (White Oak), habit, spring
Quercus alba (White Oak), habit, spring
Quercus alba (White Oak), habit, spring
Quercus alba (White Oak), habit, spring
Quercus alba (White Oak), habit, spring
Quercus alba (White Oak), habit, summer
Quercus alba (White Oak), habit, summer
Quercus alba (White Oak), habit, summer
Quercus alba (White Oak), habit, summer
Quercus alba (White Oak), habit, summer
Quercus alba (White Oak), habit, summer
Quercus alba (White Oak), habit, winter
Quercus alba (White Oak), habit, winter
Quercus alba (White Oak), habit, winter
Quercus alba (White Oak), habit, winter
Quercus alba (White Oak), habit, winter
Quercus alba (White Oak), habit, winter
Quercus alba (White Oak), habit, winter
Quercus alba (White Oak), habit, winter
Quercus alba (White Oak), habit, young
Quercus alba (White Oak), habit, young
Quercus alba (White Oak), habit, young
Quercus alba (White Oak), habitat
Quercus alba (White Oak), habitat
Quercus alba (White Oak), inflorescence, staminate
Quercus alba (White Oak), inflorescence, staminate
Quercus alba (White Oak), inflorescence, staminate
Quercus alba (White Oak), leaf, chlorotic
Quercus alba (White Oak), leaf, fall
Quercus alba (White Oak), leaf, fall
Quercus alba (White Oak), leaf, fall
Quercus alba (White Oak), leaf, fall
Quercus alba (White Oak), leaf, fall
Quercus alba (White Oak), leaf, fall
Quercus alba (White Oak), leaf, fall
Quercus alba (White Oak), leaf, fall
Quercus alba (White Oak), leaf, fall
Quercus alba (White Oak), leaf, gall
Quercus alba (White Oak), leaf, gall
Quercus alba (White Oak), leaf, lower surface
Quercus alba (White Oak), leaf, lower surface
Quercus alba (White Oak), leaf, lower surface
Quercus alba (White Oak), leaf, new
Quercus alba (White Oak), leaf, new
Quercus alba (White Oak), leaf, new
Quercus alba (White Oak), leaf, spring
Quercus alba (White Oak), leaf, spring
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, summer
Quercus alba (White Oak), leaf, upper surface
Quercus alba (White Oak), leaf, upper surface
Quercus alba (White Oak), leaf, upper surface
Quercus alba (White Oak), leaf, upper surface
Quercus alba (White Oak), leaf, upper surface
Quercus alba (White Oak), leaf, upper surface
Quercus alba (White Oak), leaf, upper surface
Quercus alba (White Oak), leaf, upper surface
Quercus alba (White Oak), leaf, upper surface
Quercus alba (White Oak), leaf, winter
Quercus alba (White Oak), leaf, winter
Quercus alba (White Oak), leaf, winter
Quercus alba (White Oak), leaf, winter
Quercus alba (White Oak), leaf, winter
Quercus alba (White Oak), leaf, young
Quercus alba (White Oak), leaf, young
Quercus alba (White Oak), leaf, young
Quercus alba (White Oak), seedlings
Quercus alba (White Oak), trunk, burl
Quercus alba (White Oak), trunk, burl
Quercus aliena (Oriental White Oak), habit, fall
Quercus aliena (Oriental White Oak), leaf, fall
Quercus aliena (Oriental White Oak), leaf, fall
Quercus ×bebbiana aff. (Bebb's Oak), leaf, summer
Quercus ×bebbiana (Bebb's Oak), leaf, summer
Quercus bicolor (Swamp White Oak), bark, branch
Quercus bicolor (Swamp White Oak), bark, mature
Quercus bicolor (Swamp White Oak), bark, mature
Quercus bicolor (Swamp White Oak), bark, mature
Quercus bicolor (Swamp White Oak), bark, mature
Quercus bicolor (Swamp White Oak), bark, mature
Quercus bicolor (Swamp White Oak), bark, twig
Quercus bicolor (Swamp White Oak), bud, lateral
Quercus bicolor (Swamp White Oak), bud, terminal
Quercus bicolor (Swamp White Oak), bud, terminal
Quercus bicolor (Swamp White Oak), bud, terminal
Quercus bicolor (Swamp White Oak), bud, terminal
Quercus bicolor (Swamp White Oak), flower, staminate
Quercus bicolor (Swamp White Oak), fruit, immature
Quercus bicolor (Swamp White Oak), fruit, immature
Quercus bicolor (Swamp White Oak), fruit, immature
Quercus bicolor (Swamp White Oak), fruit, immature
Quercus bicolor (Swamp White Oak), habit, fall
Quercus bicolor (Swamp White Oak), habit, fall
Quercus bicolor (Swamp White Oak), habit, spring
Quercus bicolor (Swamp White Oak), habit, spring
Quercus bicolor (Swamp White Oak), habit, winter
Quercus bicolor (Swamp White Oak), habit, winter
Quercus bicolor (Swamp White Oak), habitat
Quercus bicolor (Swamp White Oak), habitat
Quercus bicolor (Swamp White Oak), inflorescence
Quercus bicolor (Swamp White Oak), inflorescence
Quercus bicolor (Swamp White Oak), leaf, lower surface
Quercus bicolor (Swamp White Oak), leaf, lower surface
Quercus bicolor (Swamp White Oak), leaf, new
Quercus bicolor (Swamp White Oak), leaf, spring
Quercus bicolor (Swamp White Oak), leaf, summer
Quercus bicolor (Swamp White Oak), leaf, summer
Quercus bicolor (Swamp White Oak), leaf, upper surface
Quercus bicolor (Swamp White Oak), leaf, winter
Quercus bicolor (Swamp White Oak), leaf, winter
Quercus buckleyi (Buckley's Oak), bark, mature
Quercus buckleyi (Buckley's Oak), bark, mature
Quercus buckleyi (Buckley's Oak), bark, trunk
Quercus buckleyi (Buckley's Oak), bark, trunk
Quercus buckleyi (Buckley's Oak), flower, pistillate
Quercus buckleyi (Buckley's Oak), flower, staminate
Quercus buckleyi (Buckley's Oak), flower, staminate
Quercus buckleyi (Buckley's Oak), habit, fall
Quercus buckleyi (Buckley's Oak), habit, fall
Quercus buckleyi (Buckley's Oak), inflorescence
Quercus buckleyi (Buckley's Oak), inflorescence
Quercus buckleyi (Buckley's Oak), inflorescence
Quercus buckleyi (Buckley's Oak), leaf, new
Quercus buckleyi (Buckley's Oak), leaf, spring
Quercus coccinea (Scarlet Oak), habit, fall
Quercus dentata (Daimyo Oak), bark, mature
Quercus dentata (Daimyo Oak), bark, trunk
Quercus dentata (Daimyo Oak), fruit, immature
Quercus dentata (Daimyo Oak), leaf, fall
Quercus dentata (Daimyo Oak), leaf, fall
Quercus dentata (Daimyo Oak), leaf, fall
Quercus dentata (Daimyo Oak), leaf, fall
Quercus dentata (Daimyo Oak), leaf, lower surface
Quercus dentata (Daimyo Oak), leaf, upper surface
Quercus falcata (Southern Red Oak), leaf, summer
Quercus falcata (Southern Red Oak), leaf, summer
Quercus falcata (Southern Red Oak), leaf, upper surface
Quercus gambelii (Gambel's Oak), fruit, immature
Quercus gambelii (Gambel's Oak), fruit, immature
Quercus gambelii (Gambel's Oak), habit, summer
Quercus gambelii (Gambel's Oak), habitat
Quercus gambelii (Gambel's Oak), leaf, lower surface
Quercus gambelii (Gambel's Oak), leaf, summer
Quercus gambelii (Gambel's Oak), leaf, summer
Quercus gambelii (Gambel's Oak), leaf, summer
Quercus gambelii (Gambel's Oak), leaf, upper surface
Quercus ×hawkinsiae aff. (Hawkins' Oak), leaf, upper surface
Quercus imbricaria (Shingle Oak), bark, mature
Quercus imbricaria (Shingle Oak), bark, twig
Quercus imbricaria (Shingle Oak), bud, terminal
Quercus imbricaria (Shingle Oak), flower, pistillate
Quercus imbricaria (Shingle Oak), fruit, immature
Quercus imbricaria (Shingle Oak), fruit, immature
Quercus imbricaria (Shingle Oak), habit, fall
Quercus imbricaria (Shingle Oak), habit, fall
Quercus imbricaria (Shingle Oak), leaf, lower surface
Quercus imbricaria (Shingle Oak), leaf, lower surface
Quercus imbricaria (Shingle Oak), leaf, new
Quercus imbricaria (Shingle Oak), leaf, new
Quercus imbricaria (Shingle Oak), leaf, spring
Quercus imbricaria (Shingle Oak), leaf, spring
Quercus imbricaria (Shingle Oak), leaf, spring
Quercus imbricaria (Shingle Oak), leaf, summer
Quercus imbricaria (Shingle Oak), leaf, summer
Quercus imbricaria (Shingle Oak), leaf, summer
Quercus imbricaria (Shingle Oak), leaf, summer
Quercus imbricaria (Shingle Oak), leaf, summer
Quercus imbricaria (Shingle Oak), leaf, summer
Quercus imbricaria (Shingle Oak), leaf, summer
Quercus imbricaria (Shingle Oak), leaf, summer
Quercus imbricaria (Shingle Oak), leaf, upper surface
Quercus imbricaria (Shingle Oak), leaf, upper surface
Quercus macrocarpa (Bur Oak), acorn cap
Quercus macrocarpa (Bur Oak), bark, branch
Quercus macrocarpa (Bur Oak), bark, branch
Quercus macrocarpa (Bur Oak), bark, branch
Quercus macrocarpa (Bur Oak), bark, branch
Quercus macrocarpa (Bur Oak), bark, branch
Quercus macrocarpa (Bur Oak), bark, mature
Quercus macrocarpa (Bur Oak), bark, mature
Quercus macrocarpa (Bur Oak), bark, mature
Quercus macrocarpa (Bur Oak), bark, mature
Quercus macrocarpa (Bur Oak), bark, mature
Quercus macrocarpa (Bur Oak), bark, mature
Quercus macrocarpa (Bur Oak), bark, mature
Quercus macrocarpa (Bur Oak), bark, trunk
Quercus macrocarpa (Bur Oak), bark, trunk
Quercus macrocarpa (Bur Oak), bark, trunk
Quercus macrocarpa (Bur Oak), bark, trunk
Quercus macrocarpa (Bur Oak), bark, trunk
Quercus macrocarpa (Bur Oak), bark, trunk
Quercus macrocarpa (Bur Oak), bark, trunk
Quercus macrocarpa (Bur Oak), bark, twig
Quercus macrocarpa (Bur Oak), bark, twig
Quercus macrocarpa (Bur Oak), bark, twig
Quercus macrocarpa (Bur Oak), bud, lateral
Quercus macrocarpa (Bur Oak), bud, terminal
Quercus macrocarpa (Bur Oak), bud, terminal
Quercus macrocarpa (Bur Oak), bud, terminal
Quercus macrocarpa (Bur Oak), bud, terminal
Quercus macrocarpa (Bur Oak), bud, vegetative
Quercus macrocarpa (Bur Oak), cut tree
Quercus macrocarpa (Bur Oak), flower, pistillate
Quercus macrocarpa (Bur Oak), flower, pistillate
Quercus macrocarpa (Bur Oak), flower, pistillate
Quercus macrocarpa (Bur Oak), flower, pistillate
Quercus macrocarpa (Bur Oak), flower, pistillate
Quercus macrocarpa (Bur Oak), flower, staminate
Quercus macrocarpa (Bur Oak), flower, staminate
Quercus macrocarpa (Bur Oak), flower, staminate
Quercus macrocarpa (Bur Oak), fruit, immature
Quercus macrocarpa (Bur Oak), fruit, immature
Quercus macrocarpa (Bur Oak), fruit, immature
Quercus macrocarpa (Bur Oak), fruit, immature
Quercus macrocarpa (Bur Oak), fruit, immature
Quercus macrocarpa (Bur Oak), fruit, immature
Quercus macrocarpa (Bur Oak), fruit, immature
Quercus macrocarpa (Bur Oak), fruit, immature
Quercus macrocarpa (Bur Oak), fruit, immature
Quercus macrocarpa (Bur Oak), fruit, mature
Quercus macrocarpa (Bur Oak), fruit, mature
Quercus macrocarpa (Bur Oak), habit, fall
Quercus macrocarpa (Bur Oak), habit, fall
Quercus macrocarpa (Bur Oak), habit, fall
Quercus macrocarpa (Bur Oak), habit, fall
Quercus macrocarpa (Bur Oak), habit, fall
Quercus macrocarpa (Bur Oak), habit, spring
Quercus macrocarpa (Bur Oak), habit, spring
Quercus macrocarpa (Bur Oak), habit, spring
Quercus macrocarpa (Bur Oak), habit, spring
Quercus macrocarpa (Bur Oak), habit, spring
Quercus macrocarpa (Bur Oak), habit, summer
Quercus macrocarpa (Bur Oak), habit, summer
Quercus macrocarpa (Bur Oak), habit, summer
Quercus macrocarpa (Bur Oak), habit, summer
Quercus macrocarpa (Bur Oak), habit, summer
Quercus macrocarpa (Bur Oak), habit, winter
Quercus macrocarpa (Bur Oak), habitat
Quercus macrocarpa (Bur Oak), habitat
Quercus macrocarpa (Bur Oak), habitat
Quercus macrocarpa (Bur Oak), habitat
Quercus macrocarpa (Bur Oak), habitat
Quercus macrocarpa (Bur Oak), habitat
Quercus macrocarpa (Bur Oak), habitat
Quercus macrocarpa (Bur Oak), habitat
Quercus macrocarpa (Bur Oak), habitat
Quercus macrocarpa (Bur Oak), habitat
Quercus macrocarpa (Bur Oak), habitat, fire
Quercus macrocarpa (Bur Oak), leaf, fall
Quercus macrocarpa (Bur Oak), leaf, fall
Quercus macrocarpa (Bur Oak), leaf, fall
Quercus macrocarpa (Bur Oak), leaf, fall
Quercus macrocarpa (Bur Oak), leaf, fall
Quercus macrocarpa (Bur Oak), leaf, fall
Quercus macrocarpa (Bur Oak), leaf, lower surface
Quercus macrocarpa (Bur Oak), leaf, lower surface
Quercus macrocarpa (Bur Oak), leaf, lower surface
Quercus macrocarpa (Bur Oak), leaf, lower surface
Quercus macrocarpa (Bur Oak), leaf, lower surface
Quercus macrocarpa (Bur Oak), leaf, lower surface
Quercus macrocarpa (Bur Oak), leaf, lower surface
Quercus macrocarpa (Bur Oak), leaf, spring
Quercus macrocarpa (Bur Oak), leaf, spring
Quercus macrocarpa (Bur Oak), leaf, spring
Quercus macrocarpa (Bur Oak), leaf, spring
Quercus macrocarpa (Bur Oak), leaf, summer
Quercus macrocarpa (Bur Oak), leaf, summer
Quercus macrocarpa (Bur Oak), leaf, summer
Quercus macrocarpa (Bur Oak), leaf, summer
Quercus macrocarpa (Bur Oak), leaf, summer
Quercus macrocarpa (Bur Oak), leaf, summer
Quercus macrocarpa (Bur Oak), leaf, summer
Quercus macrocarpa (Bur Oak), leaf, summer
Quercus macrocarpa (Bur Oak), leaf, summer
Quercus macrocarpa (Bur Oak), leaf, summer
Quercus macrocarpa (Bur Oak), leaf, upper surface
Quercus macrocarpa (Bur Oak), leaf, upper surface
Quercus macrocarpa (Bur Oak), leaf, upper surface
Quercus macrocarpa (Bur Oak), leaf, upper surface
Quercus macrocarpa (Bur Oak), leaf, upper surface
Quercus macrocarpa (Bur Oak), leaf, upper surface
Quercus macrocarpa (Bur Oak), leaf, upper surface
Quercus macrocarpa (Bur Oak), leaf, upper surface
Quercus macrocarpa (Bur Oak), plant, young
Quercus macrocarpa (Bur Oak), trunk, cross section
Quercus macrocarpa (Bur Oak), trunk, cross section
Quercus macrocarpa (Bur Oak), trunk, cross section
Quercus macrocarpa (Bur Oak), trunk, cross section
Quercus marilandica (Blackjack Oak), bud, lateral
Quercus marilandica (Blackjack Oak), leaf, spring
Quercus marilandica (Blackjack Oak), leaf, summer
Quercus marilandica (Blackjack Oak), leaf, summer
Quercus marilandica (Blackjack Oak), leaf, summer
Quercus marilandica (Blackjack Oak), leaf, upper surface
Quercus nigra (Water Oak), bark, mature
Quercus nigra (Water Oak), leaf, upper surface
Quercus palmeri (Palmer Oak), bark, twig
Quercus palmeri (Palmer Oak), bark, twig
Quercus palmeri (Palmer Oak), bark, twig
Quercus palmeri (Palmer Oak), fruit, immature
Quercus palmeri (Palmer Oak), habit, summer
Quercus palmeri (Palmer Oak), leaf, full
Quercus palmeri (Palmer Oak), leaf, lower surface
Quercus palmeri (Palmer Oak), leaf, summer
Quercus palmeri (Palmer Oak), leaf, summer
Quercus palmeri (Palmer Oak), leaf, summer
Quercus robur (English Oak), bark, branch
Quercus robur (English Oak), leaf, lower surface
Quercus robur (English Oak), leaf, summer
Quercus rubra var. borealis (Northern Red Oak), bark, branch
Quercus rubra var. borealis (Northern Red Oak), bark, mature
Quercus rubra var. borealis (Northern Red Oak), bark, mature
Quercus rubra var. borealis (Northern Red Oak), bud, lateral
Quercus rubra var. borealis (Northern Red Oak), bud, terminal
Quercus rubra var. borealis (Northern Red Oak), bud, terminal
Quercus rubra var. borealis (Northern Red Oak), habit, fall
Quercus rubra var. borealis (Northern Red Oak), habit, summer
Quercus rubra var. borealis (Northern Red Oak), habit, summer
Quercus rubra var. borealis (Northern Red Oak), leaf, fall
Quercus rubra var. borealis (Northern Red Oak), leaf, fall
Quercus shumardii (Shumard's Oak), bark, trunk
Quercus shumardii (Shumard's Oak), habit, fall
Quercus shumardii (Shumard's Oak), habit, fall
Quercus shumardii (Shumard's Oak), leaf, fall
Quercus shumardii (Shumard's Oak), leaf, fall
Quercus shumardii (Shumard's Oak), leaf, fall
Quercus shumardii (Shumard's Oak), leaf, fall
Quercus stellata (Post Oak), bark, branch
Quercus stellata (Post Oak), bark, branch
Quercus stellata (Post Oak), bark, branch
Quercus stellata (Post Oak), bark, trunk
Quercus stellata (Post Oak), habit, fall
Quercus stellata (Post Oak), habit, fall
Quercus stellata (Post Oak), habit, fall
Quercus stellata (Post Oak), habit, fall
Quercus stellata (Post Oak), habit, fall
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, fall
Quercus stellata (Post Oak), leaf, lower surface
Quercus stellata (Post Oak), leaf, lower surface
Quercus stellata (Post Oak), leaf, summer
Quercus stellata (Post Oak), leaf, upper surface
Quercus texana (Nuttall's Oak), bark, mature
Quercus texana (Nuttall's Oak), bark, trunk
Quercus texana (Nuttall's Oak), flower, staminate
Quercus texana (Nuttall's Oak), habit, spring
Quercus texana (Nuttall's Oak), habit, spring
Quercus texana (Nuttall's Oak), inflorescence
Quercus texana (Nuttall's Oak), inflorescence
Quercus texana (Nuttall's Oak), leaf, new
Quercus texana (Nuttall's Oak), leaf, new
Quercus texana (Nuttall's Oak), leaf, new
Quercus trojana (Macedonian Oak), habit, summer
Quercus trojana (Macedonian Oak), leaf, lower surface
Quercus trojana (Macedonian Oak), leaf, summer
Quercus trojana (Macedonian Oak), leaf, summer
Quercus trojana (Macedonian Oak), leaf, summer
Quercus trojana (Macedonian Oak), leaf, summer
Quercus trojana (Macedonian Oak), leaf, upper surface
Quercus turbinella (Shrub Live Oak), habit, summer
Quercus turbinella (Shrub Live Oak), leaf, summer
Quercus turbinella (Shrub Live Oak), leaf, summer
Quercus ×undulata (Wavy-leaved Oak), fruit, immature
Quercus ×undulata (Wavy-leaved Oak), habitat
Quercus ×undulata (Wavy-leaved Oak), habitat
Quercus ×undulata (Wavy-leaved Oak), leaf, summer
Quercus variabilis (Oriental Oak), bark, mature
Quercus variabilis (Oriental Oak), bark, twig
Quercus variabilis (Oriental Oak), leaf, fall
Quercus variabilis (Oriental Oak), leaf, fall
Quercus variabilis (Oriental Oak), leaf, lower surface
Quercus variabilis (Oriental Oak), leaf, lower surface
Quercus velutina (Black Oak), bark, branch
Quercus velutina (Black Oak), bark, branch
Quercus velutina (Black Oak), bark, mature
Quercus velutina (Black Oak), bark, mature
Quercus velutina (Black Oak), bark, mature
Quercus velutina (Black Oak), bark, mature
Quercus velutina (Black Oak), bark, mature
Quercus velutina (Black Oak), bark, mature
Quercus velutina (Black Oak), bark, mature
Quercus velutina (Black Oak), bark, trunk
Quercus velutina (Black Oak), bark, twig
Quercus velutina (Black Oak), bark, twig
Quercus velutina (Black Oak), bark, twig
Quercus velutina (Black Oak), bark, twig
Quercus velutina (Black Oak), bark, twig
Quercus velutina (Black Oak), bud, lateral
Quercus velutina (Black Oak), bud, lateral
Quercus velutina (Black Oak), bud, terminal
Quercus velutina (Black Oak), bud, terminal
Quercus velutina (Black Oak), bud, terminal
Quercus velutina (Black Oak), bud, terminal
Quercus velutina (Black Oak), bud, terminal
Quercus velutina (Black Oak), bud, terminal
Quercus velutina (Black Oak), bud, terminal
Quercus velutina (Black Oak), bud, vegetative
Quercus velutina (Black Oak), bud, vegetative
Quercus velutina (Black Oak), bud, vegetative
Quercus velutina (Black Oak), bud, vegetative
Quercus velutina (Black Oak), flower, pistillate
Quercus velutina (Black Oak), flower, pistillate
Quercus velutina (Black Oak), flower, pistillate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), flower, staminate
Quercus velutina (Black Oak), fruit, immature
Quercus velutina (Black Oak), fruit, immature
Quercus velutina (Black Oak), fruit, immature
Quercus velutina (Black Oak), fruit, immature
Quercus velutina (Black Oak), fruit, immature
Quercus velutina (Black Oak), fruit, immature
Quercus velutina (Black Oak), fruit, immature
Quercus velutina (Black Oak), fruit, immature
Quercus velutina (Black Oak), fruit, mature
Quercus velutina (Black Oak), habit, fall
Quercus velutina (Black Oak), habit, fall
Quercus velutina (Black Oak), habit, fall
Quercus velutina (Black Oak), habit, fall
Quercus velutina (Black Oak), habit, seedling
Quercus velutina (Black Oak), habit, seedling
Quercus velutina (Black Oak), habit, seedling
Quercus velutina (Black Oak), habit, seedling
Quercus velutina (Black Oak), habit, seedling
Quercus velutina (Black Oak), habit, spring
Quercus velutina (Black Oak), habit, spring
Quercus velutina (Black Oak), habit, spring
Quercus velutina (Black Oak), habit, spring
Quercus velutina (Black Oak), habit, summer
Quercus velutina (Black Oak), habit, young
Quercus velutina (Black Oak), habit, young
Quercus velutina (Black Oak), habit, young
Quercus velutina (Black Oak), habit, young
Quercus velutina (Black Oak), habit, young
Quercus velutina (Black Oak), habit, young
Quercus velutina (Black Oak), habit, young
Quercus velutina (Black Oak), habit, young
Quercus velutina (Black Oak), habit, young
Quercus velutina (Black Oak), habitat
Quercus velutina (Black Oak), habitat
Quercus velutina (Black Oak), habitat
Quercus velutina (Black Oak), habitat
Quercus velutina (Black Oak), habitat
Quercus velutina (Black Oak), habitat
Quercus velutina (Black Oak), habitat
Quercus velutina (Black Oak), habitat
Quercus velutina (Black Oak), habitat
Quercus velutina (Black Oak), habitat
Quercus velutina (Black Oak), habitat
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, fall
Quercus velutina (Black Oak), leaf, lower surface
Quercus velutina (Black Oak), leaf, lower surface
Quercus velutina (Black Oak), leaf, lower surface
Quercus velutina (Black Oak), leaf, lower surface
Quercus velutina (Black Oak), leaf, lower surface
Quercus velutina (Black Oak), leaf, lower surface
Quercus velutina (Black Oak), leaf, lower surface
Quercus velutina (Black Oak), leaf, lower surface
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, spring
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, summer
Quercus velutina (Black Oak), leaf, upper surface
Quercus velutina (Black Oak), leaf, upper surface
Quercus velutina (Black Oak), leaf, upper surface
Quercus velutina (Black Oak), leaf, upper surface
Quercus velutina (Black Oak), leaf, upper surface
Quercus velutina (Black Oak), leaf, upper surface
Quercus velutina (Black Oak), leaf, upper surface
Quercus velutina (Black Oak), leaf, upper surface
Quercus velutina (Black Oak), leaf, upper surface
Quercus velutina (Black Oak), leaf, upper surface
Quercus velutina (Black Oak), leaf, upper surface
Quercus velutina (Black Oak), leaf, upper surface
Quercus velutina (Black Oak), leaf, upper surface
Quercus velutina (Black Oak), leaf, winter
Quercus velutina (Black Oak), leaf, winter
Quercus velutina (Black Oak), leaf, winter
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus velutina (Black Oak), stump, cross section
Quercus ×bebbiana 'Taco' (Taco Bebb's Oak), bark, mature
Quercus gambelii (Gambel's oak), habit, summer
Quercus gambelii (Gambel's oak), habit, summer
Quercus gambelii (Gambel's oak), habit, summer
Quercus gambelii (Gambel's oak), caged trees
Quercus gambelii (Gambel's oak), leaves detail
Quercus gambelii (Gambel's oak), small shrub near rocky ground
Quercus georgiana (Georgia oak), leaves detail
Quercus imbricaria (shingle oak), bud detail
Quercus imbricaria (shingle oak), leaves
Quercus imbricaria (shingle oak), leaves
Quercus imbricaria (shingle oak), habit, summer
Quercus imbricaria (shingle oak), leaves detail
.Quercus imbricaria (shingle oak), habit, summer
Quercus imbricaria (shingle oak), habit, fall
Quercus imbricaria (shingle oak), habit, fall
Quercus imbricaria (shingle oak), habit, late winter
Quercus imbricaria (shingle oak), Floyd Swink standing next to young tree
Quercus imbricaria (shingle oak), habit, winter
Quercus imbricaria (shingle oak), habit, summer
Quercus imbricaria (shingle oak), habit, late winter
Quercus imbricaria (shingle oak), hedgerow
Quercus imbricaria (shingle oak), habit, winter
Quercus imbricaria (shingle oak), hedgerow
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter
Quercus crassifolia (Thick-leaved Oak), leaf, winter

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