| Quercus acatenangensis Trel. (1924) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus acerifolia (E.J. Palmer) Stoynoff & Hess (1990) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus acherdophylla Trel. (1924) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus acuta Thunb. (1784) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus acutifolia Née (1801) Image from a plant at Collection Hélardot (France) ŠJan De Langhe, Ghent University Botanical Garden, in collaboration with Arboretum Wespelaar, 2010 New |
| Quercus acutissima Carruth. (1862) Image from a plant at Ghent University Botanical Garden ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus acutissima Carruth. subsp. acutissima Image from a plant at Ghent University Botanical Garden ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus afares Pomel (1875) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2011 New |
| Quercus afares Pomel × Q. cerris L. Image from a plant at Collection Hélardot (France) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus affinis Scheidw. (1837) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus agrifolia Née (1801) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus agrifolia var. oxyadenia (Torr.) J.T. Howell (1931) Image from a plant at Rancho Santa Ana Botanic Garden (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus alba L. (1753) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×alentejana Pinto-Gomes & F.M.Vázquez (2015) Image from a plant collected on the IOS Tour to SW Iberia, October 2010 ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×alentejana × Q. robur subsp. estremadurensis Image from a plant collected on the IOS Tour to SW Iberia, October 2010 ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus aliena Blume (1851) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus aliena var. acutiserrata Maxim. (1886) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus alnifolia Poech (1842) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×alvordiana Eastw. (1905) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×amaralii F.M. Vázquez (1996) nom.illeg Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×andegavensis Hy (1895) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus aquifolioides Rehder & E.H. Wilson (1916) Image from a plant at Göttingen Botanical Garden (Germany) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus arizonica Sarg. (1895) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus arkansana Sarg. (1911) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×atlantica Ashe (1916) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus aucheri Jaub. & Spach (1843) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus augustini Skan (1899) Image from a plant at Chevithorne Barton (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus aurea Wierzb. (1835) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus austrina Small (1903) Image from a plant at The National Botanic Garden of Belgium (Meise) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus baloot Griff. (1848) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×bebbiana C.K. Schneid. (1904) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×benderi Baen. (1903) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus benthamii A. DC. (1864) Image from a plant at the San Francisco Botanical Garden (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus berberidifolia Liebm. (1854) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus bicolor Willd. (1801) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus 'Bill George' Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×bimundorum E.J. Palmer (1948) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×bimundorum 'Crimschmidt' W.N. Wandell (1995) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus boyntonii Beadle (1901) Image from a plant at The Citywide Arboretum, Aiken, South Carolina (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus brandegeei Goldman (1916) Image from a plant at Rancho Santa Ana Botanic Garden (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus brantii Lindl. (1840) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×brittonii W.T. Davis (1892) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus broteroi (Cout.) Rivas-Martínez & C. Sáenz (1939) Image from a plant collected on the IOS Tour to SW Iberia, October 2010 ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus buckleyi Nixon & Dorr (1985) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×bushii Sarg. (1918) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus calophylla Schltdl. & Cham. (1830) Image from a plant in the Collection of Dr. Hélardot (France) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus canariensis Willd. (1809) Image from a plant at The National Botanic Garden of Belgium (Meise) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus canbyi Trel. (1924) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×capesii W. Wolf (1945) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×carrissoana A. Camus (1935) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus castanea Née (1801) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus castanea Née × Q. sapotifolia Liebm. Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus castaneifolia C.A. Mey. (1831) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus castaneifolia C. A. Mey. × Q. cerris L. Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus castaneifolia 'Green Spire' Hillier & Sons (1971) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus castaneifolia 'Zorgvlied' Unpublished Image from a plant at Arboretum Kalmthout (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×celtica F.M. Vázquez et al. (2003) Image from a plant collected on the IOS Tour to SW Iberia, October 2010 ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×cerrioides Willk. & Costa (1859) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus cerris L. (1753) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus cerris 'Argenteovariegata' C. van Kleef (1877) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus cerris 'Athena' Unpublished Image from a plant at Arboretum Wespelaar (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus cerris Laciniata Group Kirchn. (1864) Image from a plant at Arboretum Kalmthout (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus cerris L. × Q. macrolepis Kotschy Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus cerris 'Marmor Star' van Hoey Smith ex Coombes & Jablonski (2006) Image from a plant at Arboretum Hof ter Saksen (Beveren, Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus cerris Variegata Group Lodd. ex Loud. (1838) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus cerris (Laciniata Group) 'Wodan' Jablonski et al. (1996) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus chapmanii Sarg. (1895) Image from a plant at The Citywide Arboretum, Aiken, South Carolina (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus chenii Nakai (1924) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus 'Chimney Fire' G. Sternb. Registered name Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus chrysolepis Liebm. (1854) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus chrysolepis Liebm. × Q. tomentella Engelm. Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus coccifera L. (1753) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus coccifera subsp. calliprinos (Webb) Holmboe (1914) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus coccifera subsp. rivasmartinezii J. H. Capelo & J. C. Costa Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus coccinea Münchh. (1770) Image from a plant at Ghent University Botanical Garden ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus coccinea 'Splendens' Bean (1914) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×comptoniae Sarg. (1918) Image from a plant at Collection Hélardot (France) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus confertifolia Bonpl. (1809) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus costaricensis Liebm. (1854) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus crassifolia Bonpl. (1809) Image from a plant at (Kew Gardens) Wakehurst Place ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus crassipes Bonpl. (1809) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus crassipes Bonpl. × Q. laurina Bonpl. Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus crispifolia Trel. (1924) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus crispipilis Trel. (1924) Image from a plant at Collection Hélardot (France) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus crispipilis Trel. var. crispipilis (1924) Image from a plant at Collection Hélardot (France) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus crispula Blume (1851) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus cupreata Trel. & C.H. Mull. (1936) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus dalechampii Ten. (1830) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×deamii Trel. (1917) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus delavayi Franch. (1899) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus delgadoana S. Valencia Nixon & L. M. Kelly (2011) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus dentata Thunb. (1784) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus dentata 'Carl Ferris Miller' J. Hillier & Coombes (2002) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus dentata Thunb. × Q. dentata subsp. yunnanensis (Franch.) Menitsky Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus dentata Thunb. × Q. griffithii Hook. f. & Thomson ex Miq. Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus dentata Pinnatifida Group Franch. & Sav. (1875) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus dentata 'Sir Harold Hillier' J. Hillier & Coombes (2002) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus dentata subsp. stewardii (Rehd.) A. Camus (1938) Image from a plant at Arboretum Kalmthout (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus dentata subsp. yunnanensis (Franch.) Menitsky (1973) Image from a plant at Arboretum Wespelaar (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus dentata subsp. yunnanensis (Franch.) Menitsky × Q. fabri Hance Image from a plant at The Citywide Arboretum, Aiken, South Carolina (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus depressa Bonpl. (1809) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus deserticola Trel. (1924) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus deserticola Trel. × Q. laeta Lieb. Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×discreta Laughlin (1961) Origin of picture unknown. Temporary. |
| Quercus dolicholepis A. Camus (1953) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus 'Döring's Zweizack' Jablonski (2000) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus douglasii Hook. & Arn. (1840) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus durata Jeps. (1909) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus durata Jeps. var. durata Image from a plant at Rancho Santa Ana Botanic Garden (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus durata var. gabrielensis Nixon & C.H. Mull. (1994) Image from a plant at Rancho Santa Ana Botanic Garden (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus durifolia Seemen ex Loes. (1900) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×dysophylla Benth. (1840) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus eduardi Trel. (1922) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ellipsoidalis E. J. Hill (1899) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ellipsoidalis 'Hemelrijk' J. Hillier & Coombes (2002) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus elliptica Née (1801) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus emoryi Torr. (1848) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus engelmannii Greene (1889) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus engleriana Seemen (1897) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×exacta Trel. (1917) Image from a plant at Collection Hélardot (France) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus fabri Hance (1869) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus faginea Lam. (1785) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus faginea subsp. alpestris (Boiss.) Maire (1961) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus faginea Lam. subsp. faginea Image from a plant collected on the IOS Tour to SW Iberia, October 2010 ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus faginea Lam. subsp. faginea × Q. suber L. Image from a plant collected on the IOS Tour to SW Iberia, October 2010 ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×fagineomirbeckii Villar (1938) Image from a plant collected on the IOS Tour to SW Iberia, October 2010 ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus falcata Michx. (1801) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×fernaldii Trel. (1924) Image from a plant at Collection Hélardot (France) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×filialis Little (1943) Image from a plant at Collection Hélardot (France) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus floribunda Lindl. ex A. Camus (1935) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus frainetto Ten. (1813) Image from a plant at Ghent University Botanical Garden ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus franchetii Skan (1899) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus furfuracea Liebm. (1854) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus fusiformis Small (1903) Image from a plant at The Citywide Arboretum, Aiken, South Carolina (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus fusiformis Small × Q. laceyi Small Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus galeanensis C.H. Mull. (1936) Image from a plant at Collection Hélardot (France) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus gambelii Nutt. (1847) Image from a plant at The National Botanic Garden of Belgium (Meise) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus gambelii 'Yankee Red Head' D. Benoit (2006) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×ganderi C.B. Wolf (1944) Image from a plant at Rancho Santa Ana Botanic Garden (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus garryana Douglas ex Hook. (1839) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus garryana subsp. breweri (Engelm.) E. Murray (1982) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus geminata Small (1847) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus georgiana M.A. Curtis (1849) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus georgiana M. A. Curtis × Q. nigra L. Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus germana Schltdl. & Cham. (1830) Image from a plant at the San Francisco Botanical Garden (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus gilliana Rehder & E.H. Wilson (1916) Image from a plant at White House Farm, Kent, UK ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus gilva Blume (1851) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus glabrescens Benth. × Q. greggii (A. DC.) Trel. Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus glabrescens Benth. × Q. robur L. Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus glauca Thunb. (1784) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus glauca Thunb. subsp. glauca Image from a plant at Ghent University Botanical Garden ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus glaucescens Bonpl. (1809) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus graciliformis C.H. Mull. (1934) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus grahamii Benth. (1840) Image from a plant at White House Farm, Kent, UK ŠJan De Langhe, Ghent University Botanical Garden & Arboretum Wespelaar, 2010 New |
| Quercus grahamii Née × Q. mexicana Bonpl. Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden & Arboretum Wespelaar, 2010 New |
| Quercus gravesii Sudw. (1927) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus greggii (A. DC.) Trel. (1922) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus griffithii Hook. f. & Thomson ex Miq. (1864) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus grisea Liebm. (1854) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×guadalupensis Sarg. (1918) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus gulielmitreleasei C.H. Mull. (1942) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus guyavifolia H. Lév. (1913) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus hartwissiana Steven (1857) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×hastingsii Sarg. (1918) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus havardii Rydb. × Q. stellata Wangenh. Image from a plant at Collection Hélardot (France) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×hawkinsiae Sudw. (1927) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×haynaldiana 'Concrist' Coombes & Jablonski (2006) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×haynaldiana 'Crisnetto' Coombes & Jablonski (2006) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus hemisphaerica Bartram ex Willd. (1805) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×heterophylla F. Michx. (1811) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×hickelii A. Camus (1935) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×hickelii 'Giesselhorst' Jablonski et al. (1996) Unpublished Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus hinckleyi C.H. Mull. (1951) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus hintoniorum Nixon & C.H. Mull. (1993) Image from a plant at Collection Hélardot (France) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×hispanica 'Ambrozyana' Simonk. (1909) Image from a plant at Arboretum Wespelaar (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×hispanica 'Diversifolia' Hort. ex G. Nicholson (1896) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×hispanica 'Fulhamensis' Loud. (1838) nom. cons. prop. Image from a plant at Arboretum Wespelaar (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×hispanica 'Heterophylla' Hort. ex Loud. (1838) Image from a plant at Arboretum Wespelaar (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×hispanica 'Lucombeana' Sweet ex Loud. (1838) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×hispanica 'Waasland Select' Jablonski (2004) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×hispanica 'Wageningen' Grootendorst (1980) Image from a plant at Arboretum Kalmthout (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×hispanica Lam. (1785) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus hondae Makino (1902) Image from a plant at Chevithorne Barton (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus ×humidicola E.J. Palmer (1937) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus hypargyrea (Seemen ex Diels) C.C. Huang & Y. T. Chang (1992) Image from a plant in the collection of Luc De Jonge (Ninove - Belgium). ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus hypoleucoides A. Camus (1932) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ilex L. (1753) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ilicifolia Wangenh. (1787) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ilicifolia 'Tromp Ball' van Hoey Smith (2001) Image from a plant at Arboretum Kalmthout (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus imbricaria Michx. (1801) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus incana Bartram (1791) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus infectoria G. Olivier (1801) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus infectoria subsp. veneris (A. Kern.) Meikle (1985) Image from a plant at The National Botanic Garden of Belgium (Meise) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus infectoria subsp. veneris (A. Kern.) Meikle × Q. libani G. Olivier Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus inopina Ashe (1929) Image from a plant at The Citywide Arboretum, Aiken, South Carolina (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus insignis M. Martens & Galeotti (1843) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×introgressa P. M. Thomson (1977) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus irazuensis Kuntze (1891) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ithaburensis Decne. (1835) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×jackiana C. K. Schneid. (1904) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus john-tuckeri Nixon & C.H. Mull. (1994) Image from a plant at The National Botanic Garden of Belgium (Meise) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×jolonensis Sarg. (1918) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus kelloggii Newb. (1857) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×kewensis Osborn (1931) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus kiukiangensis (Y. T. Chang) Y. T. Chang (1992) mage from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 New |
| Quercus laceyi Small (1901) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus laeta Liebm. (1854) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus laevis Walter (1788) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus lamellosa Sm. (1819) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus lanata Sm. (1819) Image from a plant at (Kew Gardens) Wakehurst Place ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus lancifolia Schltdl. & Cham. (1830) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus laurifolia Michx. (1801) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×leana Nutt. (1842) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus leucotrichophora A. Camus (1935) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×libanerris Boom (1959) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×libanerris 'Rotterdam' J. Hillier & Coombes (2002) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×libanerris 'Tromper' Fortgens & Cameron (2022) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus libani G. Olivier (1801) Image from a plant at The National Botanic Garden of Belgium (Meise) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus libani 'Angustifolia' Dippel (1892) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus lobata Née (1801) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus longispica (Hand.-Mazz.) A. Camus (1934) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus look Kotschy (1860) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus lusitanica Lam. (1785) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus lyrata Walter (1788) Image from a plant at Ghent University Botanical Garden ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus lyrata 'Arnold' Unpublished Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×macdanielii T. L. Green & W. J. Hess (1998) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×macdonaldii Greene & Kellogg (1889) Image from a plant at Rancho Santa Ana Botanic Garden (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus 'Macon' van Hoey Smith (1973) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus macranthera Fisch. & C. A. Mey. ex Hohen. (1838) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus macranthera subsp. syspirensis (K. Koch) Menitsky (1972) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus macrocarpa Michx. (1801) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus macrocarpa Michx. var. macrocarpa Image from a plant at Ghent University Botanical Garden ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus macrolepis Kotschy (1860) nom. cons. prop. in prep. Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus macrolepis 'Hemelrijk Silver' J. Hillier & Coombes (2002) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus margarettae (Ashe) Small (1903) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus marilandica Münchh. (1770) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus marilandica var. ashei Sudw. (1922) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus marilandica Münchh. var. marilandica Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus 'Mauri' Unpublished Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus 'Maya' Houtman (2007) Image from a plant at Arboretum Kalmthout (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus mexicana Bonpl. (1809) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus michauxii Nutt. (1818) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus microphylla Née (1801) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus minima (Sarg.) Small (1897) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus miquihuanensis Nixon & C.H. Mull. (1993) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×mixta Villalobos Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus mohriana Buckley ex Rydb. (1901) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus mongolica 'Holden' Unpublished Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus mongolica Fisch. ex Ledeb. × Q. turbinella Greene Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus monimotricha (Hand.-Mazz.) Hand.-Mazz. (1929) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus montana Willd. (1805) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus montana 'Laciniata' nom. non ratum Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×morehus Kellogg (1863) Image from a plant at The National Botanic Garden of Belgium (Meise) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus morii Hayata (1911) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×morisii Borzě (1881) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus muehlenbergii Engelm. (1877) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus muehlenbergii Engelm. × Q. turbinella Greene Image from a plant at The National Botanic Garden of Belgium (Meise) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus myrsinifolia Blume (1851) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus myrtifolia Willd. (1805) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus myrtifolia Willd. × Q. nigra L. Image from a plant at The Citywide Arboretum, Aiken, South Carolina (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus nigra L. (1753) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus oblongifolia Torr. (1853) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus obtusata Bonpl. (1809) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus oglethorpensis W. H. Duncan (1940) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus oleoides var. sagrana (Nutt.) C.H. Mull. (1961) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus oxyodon Miq. (1864) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×pacensis F.M. Vázquez (1996) Image from a plant collected on the IOS Tour to SW Iberia, October 2010 ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus pacifica Nixon & C.H. Mull. (1994) nom. cons. prop. in prep. Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus pagoda Raf. (1838) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus palmeri Engelm. (1877) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus palustris Münchh. (1770) Image from a plant at Ghent University Botanical Garden ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus palustris 'Compacta' nom. illegit. Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus palustris 'Green Dwarf' Houtman (1997) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus palustris 'Isabel' Coombes & Jablonski (2006) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus palustris 'Pendula' Van Houtte ex Saint-Paul (1898) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus palustris 'Swamp Pygmy' Bärtels (2001) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus palustris 'Tilburg' Unpublished Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus pannosa Hand.-Mazz. (1929) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus parvula Greene (1887) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus peduncularis Née (1801) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus peninsularis Trel. (1924) Image from a plant at Rancho Santa Ana Botanic Garden (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus petraea (Matt.) Liebl. (1784) Image from a plant at Ghent University Botanical Garden ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus petraea 'Acutiloba' Dippel (1892) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus petraea 'Cochleata' Hort. ex Kirchn. (1864) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus petraea subsp. iberica (Steven ex M. Bieb.) Krassiln. (1968) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus petraea 'Laciniata Crispa' H. A. Hesse (1928) Image from a plant at Arboretum Hof ter Saksen (Beveren, Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus petraea Longifolia Group Dippel (1892) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus petraea Mespilifolia Group Wallr. (1822) Image from a plant at Arboretum Kalmthout (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus petraea 'Muscaviensis' Koehne Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus petraea (Matt.) Liebl. subsp. (1784)petraea Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus petraea subsp. pinnatiloba (K. Koch) Menitsky (1972) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus petraea 'Purpurea' H. Jäger (1865) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus petraea 'Spessart' (NAKB) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus petraea Sublobata Group Kit. (1814) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus phellos L. (1753) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus phellos 'Latifolia' Lodd. ex Loud. (1838) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus phillyreoides A. Gray (1859) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus phillyreoides 'Emerald Sentinel' Raulston (1996) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus 'Piers Trehane' Jablonski (2012) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 New |
| Quercus pinnativenulosa C.H. Mull. (1936) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2011 New |
| Quercus planipocula Trel. (1924) Image from a plant at The Citywide Arboretum, Aiken, South Carolina (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus polymorpha Schltdl. & Cham. (1830) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus Pondaim Group van Hoey Smith (1973) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus pontica K. Koch (1849) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus potosina Trel. (1924) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus prinoides Willd. (1801) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus pubescens Willd. (1805) nom. cons. Image from stockplant at Pavia Nurseries (Belgium) where it is grown as Q. virgiliana. ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus pubescens Willd. subsp. pubescens Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus pumila Walter (1788) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus pungens Liebm. (1854) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus pyrenaica Willd. (1805) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus pyrenaica 'Pendula' Ottolander (1879) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus rapurahuensis Pittier ex Trel. (1924) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×rehderi Trel. (1917) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus rehderiana Hand.-Mazz. (1925) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus repanda Bonpl. (1809) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus ×richteri Baen. (1903) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur L. (1753) Image from a plant growing in the city of Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Pendula Group) 'Alnarp' Unpublished Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur 'Argenteomarginata' K. Koch (1873) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Purple-Leaf Group) 'Atropurpurea' H. Jäger (1865) Image from a plant at Arboretum Kalmthout (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur subsp. brutia (Ten.) O. Schwarz (1936) Image from a plant at Arboretum Hof ter Saksen (Beveren, Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Golden-Leaf Group) 'Concordia' J. Booth ex Kirchn. (1864) Image from a plant at Arboretum Kalmthout (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur Cristata Group A. Henry (1917) Image from a plant at Arboretum Wespelaar (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Heterophylla Group) 'Cucullata' David (1846) Image from a plant at Arboretum Hof ter Saksen (Beveren, Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Fastigiata Group) 'Cupressoides' H. Jäger (1865) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur subsp. estremadurensis (O. Schwarz) A. Camus (1935) Image from a plant collected on the IOS Tour to SW Iberia, October 2010 ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Fastigiata Group) 'Facrist' Jablonski et al. (1996) Unpublished Image from a plant at Arboretum Kalmthout (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur Fastigiata Group Lam. (1785) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Heterophylla Group) 'Fennessyi' Hort. ex Loud. (1838) Image from a plant at Arboretum Hof ter Saksen (Beveren, Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur 'Granbyana' Hort. ex G. Nicholson (1896) Image from a plant at Arboretum Hof ter Saksen (Beveren, Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur Haas Group Kotschy (1858) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur Heterophylla Group Loud. (1838) Image from a plant at Arboretum Kalmthout (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Fastigiata Group) 'Hungaria' Barabits (1970) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur 'Irtha' Jablonski (2004) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Fastigiata Group) 'Kasseler Rakete' Coombes & Jablonski (2006) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Fastigiata Group) 'Koster' Grootendorst (1980) Image from a plant at Arboretum Wespelaar (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur 'Latimaculata' H. Jäger (1865) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Heterophylla Group) 'Miki' Jablonski (2004) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Heterophylla Group) 'Pectinata' Hort. ex Kirchn. (1864) Image from a plant at Arboretum Hof ter Saksen (Beveren, Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur subsp. pedunculiflora (K. Koch) Menitsky (1967) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur Pendula Group Lodd. ex Loud. (1838) Image from a plant at The National Botanic Garden of Belgium (Meise) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Purple-Leaf Group) 'Purpurascens' DC. (1808) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Golden-Leaf Group) 'Rita's Gold' Jablonski (2020) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur L. subsp. robur Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur 'Salfast' A. Hard˙ & T. Lamant (2006) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Heterophylla Group) 'Salicifolia' Hort. ex Loud. (1838) Image from a plant at Arboretum Wespelaar (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Heterophylla Group) 'Scolopendriifolia' Kirchn. (1864) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur 'Strypemonde' Boom (1957) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Purple-Leaf Group) 'Timuki' Bärtels (2001) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur 'Tortuosa' Schwerin (1919) Image from a plant at Arboretum Kalmthout (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur 'Totem' Coombes & Jablonski (2006) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur L. × Q. ×vilmoriniana A. Camus Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus robur (Fastigiata Group) 'Zeeland' Unpublished Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×rosacea Bechst. (1810) Image from a plant at Arboretum Kalmthout (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×rosacea 'Columna' H. A. Hesse (1940) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus rotundifolia Lam. (1785) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus rotundifolia Lam. subsp. rotundifolia Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus rubra L. (1753) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus rubra Aurea Group C. de Vos (1881) Image from a plant at Arboretum Wespelaar (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus rubra 'Compacta' Jablonski et al. (1996) nom. non ratum Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus rubra 'Cyrille' Coombes (2005) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus rubra 'Magic Fire' Bärtels (2001) Image from a plant at Arboretum Wespelaar (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus rubra 'Schrefeldii' Dippel (1892) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×rudkinii Britton (1882) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus rugosa Née (1801) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×runcinata (DC.) Engelm. (1877) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus rysophylla Weath. (1910) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus sadleriana R. Br. ter (1871) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus sagrana Nutt. (1842) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus salicifolia Née (1801) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2011 |
| Quercus salicina Blume (1851) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus saltillensis Trel. (1924) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×sargentii Rehder (1915) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus sartorii Liebm. (1854) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×saulii 'Atlas' Jablonski (2007) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×schochiana Dieck (1892) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus schottkyana Rehder & E.H. Wilson (1916) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus semecarpifolia Sm. (1819) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus senescens Hand.-Mazz. (1929) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus serrata Murray (1784) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus serrata Murray subsp. serrata var. brevipetiolata (A. DC.) Nakai (1924) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus serrata var. serrata Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus serrata Murray subsp. serrata Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus sessilifolia Blume (1851) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus shumardii Buckley (1861) Image from a plant at Arboretum Wespelaar (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus shumardii Buckley var. shumardii Image from a plant at Arboretum Wespelaar (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus similis Ashe (1924) nom. cons. prop. in prep. Image from a plant at The Citywide Arboretum, Aiken, South Carolina (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus sinuata Walter (1788) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus sinuata var. breviloba (Torr.) C.H. Mull. (1944) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus sinuata Walter var. sinuata Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus skinneri Benth. (1841) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus spinosa David (1884) Image from a plant at White House Farm, Kent, UK ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus spinosa subsp. miyabei (Hayata) A. Camus (1938) Image from a plant at The National Botanic Garden of Belgium (Meise) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus spinosa var. miyabei f. rugosa !!!!! Image from a plant at The National Botanic Garden of Belgium (Meise) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus stellata Wangenh. (1787) Image from a plant at Arboretum Wespelaar (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus stenophylloides Hayata (1914) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×sterilis Trel. (1917) Image from a plant at The Citywide Arboretum, Aiken, South Carolina (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×sternbergii Lübbert ex Lamant & Coombes (2023) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×streimii Heuff. (1850) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus suber L. (1753) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus subspathulata Trel. (1924) Image from a plant at Iturraran Botanical Garden (Spain) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×substellata Trel. (1924) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus texana Buckley (1861) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus texana 'New Madrid' Jablonski (2007) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus tinkhamii C.H. Mull. (1942) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus tomentella Engelm. (1877) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus toumeyi Sarg. (1895) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus toxicodendrifolia Trel. (1924) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×tridentata Engelm. ex A. DC. (1864) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus tristis Liebm. (1854) Image from a plant at the San Francisco Botanical Garden (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus trojana Webb (1839) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus trojana 'Fragno' Jablonski (2004) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus trojana Webb subsp. trojana Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus turbinella Greene (1889) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×turneri 'Pseudoturneri' C. K. Schneid. (1904) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×turneri 'Spencer Turner' E. Wiltshire & Coombes (2001) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×undulata 'Prairie Fire' Unpublished Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus uxoris McVaugh (1972) Image from a plant at The Citywide Arboretum, Aiken, South Carolina (USA) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus variabilis Blume (1851) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus vaseyana Buckley (1883) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus velutina Lam. (1785) Image from a plant at The National Botanic Garden of Belgium (Meise) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus velutina 'Albertsii' C. de Vos (1867) Image from a plant at The National Botanic Garden of Belgium (Meise) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus velutina 'Habiflax' Unpublished Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus velutina 'Magnifica' Dippel (1892) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus velutina 'Oakridge Walker' Jablonski (2007) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus velutina 'Rubrifolia' Bean (1914) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus ×vilmoriniana A. Camus (1935) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus virginiana Mill. (1768) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus vulcanica Boiss. & Heldr. ex Kotschy (1860) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus vulcanica 'Kasnak' Coombes & Jablonski (2006) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×warburgii A. Camus (1939) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×warei 'Long' E. Cully (2002) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus ×warei 'Riverbank' Russell (2017) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus wislizeni A. DC. (1864) Image from a plant at the Sir Harold Hillier Gardens (UK) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
| Quercus wutaishanica Mayr (1906) Image from a plant at Arboretum Het Leen Eeklo (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2010 |
| Quercus 'Zehra' Jablonski (2015) Image from stockplant at Pavia Nurseries (Belgium) ŠJan De Langhe, Ghent University Botanical Garden, 2009 |
Report from the Oak ICRA checklist