Report from the Oak ICRA checklist
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List of all 21 Oaks in the database with leaf illustrations by Jan De Langhe uploaded in 2011

Quercus agrifolia var. oxyadenia (Torr.) J. T. Howell (1931) Image from a plant at Rancho Santa Ana Botanic Garden (USA) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus augustinii Skan (1899) Image from a plant at Chevithorne Barton (UK) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus brandegeei Goldman (1916) Image from a plant at Rancho Santa Ana Botanic Garden (USA) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus ×cerrioides Willk. & Costa (1859) Image from a plant at Iturraran Botanical Garden (Spain) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus crispifolia Trel. (1924) Image from a plant at Iturraran Botanical Garden (Spain) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus delgadoana S. Valencia, Nixon & L. M. Kelly × Q. sartorii Liebm. Image from a plant at the Sir Harold Hillier Gardens (UK) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus deserticola Trel. (1924) Image from a plant at Iturraran Botanical Garden (Spain) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus durata Jeps. var. durata Image from a plant at Rancho Santa Ana Botanic Garden (USA) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus durata var. gabrielensis Nixon & C. H. Mull. (1994) Image from a plant at Rancho Santa Ana Botanic Garden (USA) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus elliptica Née (1801) Image from a plant at Iturraran Botanical Garden (Spain) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus ×ganderi C. B. Wolf (1944) Image from a plant at Rancho Santa Ana Botanic Garden (USA) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus gentryi C. H. Mull. (1942) Image from a plant at Iturraran Botanical Garden (Spain) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus glaucescens Bonpl. (1809) Image from a plant at Iturraran Botanical Garden (Spain) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus hondae Makino (1902) Image from a plant at Chevithorne Barton (UK) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
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). ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus ×macdonaldii Greene & Kellogg (1889) Image from a plant at Rancho Santa Ana Botanic Garden (USA) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus ×morisii Borzì (1881) Image from a plant at Iturraran Botanical Garden (Spain) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus peninsularis Trel. (1924) Image from a plant at Rancho Santa Ana Botanic Garden (USA) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus repanda Bonpl. (1809) Image from a plant at Iturraran Botanical Garden (Spain) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011
Quercus rysophylla 'Maya' Houtman (2007) Image from a plant at Arboretum Kalmthout (Belgium) ©Jan De Langhe, Ghent University Botanical Garden, 2010 New for 2011
Quercus salicifolia Née (1801) Image from a plant at Iturraran Botanical Garden (Spain) ©Jan De Langhe, Ghent University Botanical Garden, 2011 New for 2011