| Quercus robur L. | Accepted |  | WCSP | 
	
		| Quercus robur (Ten.) A. DC. | Synonym |  | TRO | 
	
		| Quercus robur var. acutifolia (Bechst.) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus robur var. acutiloba Lasch | Synonym |  | WCSP | 
	
		| Quercus robur var. angustifolia Lasch | Synonym |  | WCSP | 
	
		| Quercus robur var. araxina Trautv. | Synonym |  | WCSP | 
	
		| Quercus robur var. armeniaca A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur subsp. asterotricha (Borbás & Csató) Mátyás | Synonym |  | WCSP | 
	
		| Quercus robur var. aurea Wierzb. ex Rochel | Synonym |  | WCSP | 
	
		| Quercus robur var. australis (Heuff.) Simonk. | Synonym |  | WCSP | 
	
		| Quercus robur var. brachybalana (Schur) Gürke | Synonym |  | WCSP | 
	
		| Quercus robur f. brachybalanus (Schur) F.M.Vázquez | Synonym |  | WCSP | 
	
		| Quercus robur var. brachycarpa (Guss.) Borzí | Synonym |  | WCSP | 
	
		| Quercus robur var. brachyphylla (Kotschy) A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. brevipedunculata Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus robur var. brevipes Simonk. | Synonym |  | WCSP | 
	
		| Quercus robur var. brevipetiolata Medw. | Synonym |  | WCSP | 
	
		| Quercus robur var. brevisecta Borbás | Synonym |  | WCSP | 
	
		| Quercus robur subsp. broteroana O.Schwarz | Synonym |  | WCSP | 
	
		| Quercus robur var. brutia (Ten.) Ten. | Synonym |  | WCSP | 
	
		| Quercus robur subsp. brutia (Ten.) O.Schwarz | Accepted |  | WCSP | 
	
		| Quercus robur var. buhseana A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. bullata A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. cedrorum (Kotschy) A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. chartacea Schur ex A.Camus | Synonym |  | WCSP | 
	
		| Quercus robur var. communis A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. congesta (C.Presl) Borzí | Synonym |  | WCSP | 
	
		| Quercus robur var. coriacea (Bechst.) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus robur f. crassiuscula (Borbás) Erdesi & Gajic | Synonym |  | WCSP | 
	
		| Quercus robur var. cuneata A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. cuneifolia Vuk. | Synonym |  | WCSP | 
	
		| Quercus robur var. dalechampii (Ten.) Fiori & Paol. | Synonym |  | WCSP | 
	
		| Quercus robur var. dshorochensis (K.Koch) A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. duplicatosinuata Beck | Synonym |  | WCSP | 
	
		| Quercus robur var. erucifolia (Steven) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus robur subsp. estremadurensis (O.Schwarz) A.Camus | Synonym |  | WCSP | 
	
		| Quercus robur var. ettingeri (Vuk.) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus robur var. extensa (Schur) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus robur var. farinosa (Vuk.) Gürke | Synonym |  | WCSP | 
	
		| Quercus robur var. fastigiata (Lam.) Spach | Synonym |  | WCSP | 
	
		| Quercus robur subsp. fastigiata (Lam.) A.Camus | Synonym |  | WCSP | 
	
		| Quercus robur var. glaberrima (Schur) Gürke | Synonym |  | WCSP | 
	
		| Quercus robur f. globulata (Schur) F.M.Vázquez | Synonym |  | WCSP | 
	
		| Quercus robur var. globulata (Schur) Gürke | Synonym |  | WCSP | 
	
		| Quercus robur var. glomerata Lam. | Synonym |  | WCSP | 
	
		| Quercus robur var. haas (Kotschy) A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur subsp. imeretina (Steven ex Woronow) Menitsky | Accepted |  | WCSP | 
	
		| Quercus robur var. inaequiloba Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus robur var. intermedia Berang. | Synonym |  | WCSP | 
	
		| Quercus robur var. jankae A.Camus | Synonym |  | WCSP | 
	
		| Quercus robur var. laciniata Lam. | Synonym |  | WCSP | 
	
		| Quercus robur var. laciniata (Lodd.) A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. lanuginosa Lam. | Synonym |  | WCSP | 
	
		| Quercus robur var. latiloba Lasch | Synonym |  | WCSP | 
	
		| Quercus robur var. leptobalana (Guss.) A. DC. | Synonym |  | TRO | 
	
		| Quercus robur var. leptobalanus (Guss.) A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. leptocarpa Vuk. | Synonym |  | WCSP | 
	
		| Quercus robur var. longiloba Lasch ex A.Camus | Synonym |  | WCSP | 
	
		| Quercus robur subsp. longipes (Steven) Hedge & Yalt. | Synonym |  | WCSP | 
	
		| Quercus robur var. macrobalanos (Schur) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus robur f. macrobalanus (Schur) F.M.Vázquez | Synonym |  | WCSP | 
	
		| Quercus robur var. macrolepis Borzí | Synonym |  | WCSP | 
	
		| Quercus robur var. malacophylla (Schur) Gürke | Synonym |  | WCSP | 
	
		| Quercus robur var. mannifera (Lindl.) Bruttini | Synonym |  | WCSP | 
	
		| Quercus robur var. mespilifolia Wallr. | Synonym |  | WCSP | 
	
		| Quercus robur var. microbalanos (Heuff.) Schur | Synonym |  | WCSP | 
	
		| Quercus robur f. microbalanus (Heuff.) F.M.Vázquez | Synonym |  | WCSP | 
	
		| Quercus robur var. olsonii A.Camus | Synonym |  | WCSP | 
	
		| Quercus robur var. opaca (Schur) Gürke | Synonym |  | WCSP | 
	
		| Quercus robur var. pachycarpa (Debeaux) A.Camus | Synonym |  | WCSP | 
	
		| Quercus robur var. paleacea (Desf.) A.Camus | Synonym |  | WCSP | 
	
		| Quercus robur var. patellulata (Vuk.) Soó | Synonym |  | WCSP | 
	
		| Quercus robur var. pauciloba Lasch | Synonym |  | WCSP | 
	
		| Quercus robur subsp. pedunculata (Hoffm.) A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. pedunculata (Hoffm.) Hook.f. | Synonym |  | WCSP | 
	
		| Quercus robur subsp. pedunculiflora (K.Koch) Menitsky | Accepted |  | WCSP | 
	
		| Quercus robur var. pendula Neill | Synonym |  | WCSP | 
	
		| Quercus robur var. petraea Matt. | Synonym |  | WCSP | 
	
		| Quercus robur var. pilifera Zapal. | Synonym |  | WCSP | 
	
		| Quercus robur subsp. pilosa (Schur) Gajic & Erdesi | Synonym |  | WCSP | 
	
		| Quercus robur var. pinnatifida (C.C.Gmel.) Borzí | Synonym |  | WCSP | 
	
		| Quercus robur var. platylepis Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus robur var. platyphylla Lam. | Synonym |  | WCSP | 
	
		| Quercus robur var. puberula (Lasch) Beck | Synonym |  | WCSP | 
	
		| Quercus robur var. pubescens (Willd.) Bonnier | Synonym |  | WCSP | 
	
		| Quercus robur var. repanda Lasch | Synonym |  | WCSP | 
	
		| Quercus robur subsp. robur | Accepted |  | WCSP | 
	
		| Quercus robur var. robusta Lasch | Synonym |  | WCSP | 
	
		| Quercus robur subsp. sessiliflora (Salisb.) A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. sessiliflora (Salisb.) Wahlb. | Synonym |  | WCSP | 
	
		| Quercus robur var. sessilis Martyn | Synonym |  | WCSP | 
	
		| Quercus robur var. sicula (Gand.) Fiori | Synonym |  | WCSP | 
	
		| Quercus robur subsp. slavonica (Gáyer) Mátyás | Synonym |  | WCSP | 
	
		| Quercus robur f. slavonica Gáyer | Synonym |  | WCSP | 
	
		| Quercus robur var. sphaerobalana Schur | Synonym |  | WCSP | 
	
		| Quercus robur f. sphaerobalanus (Schur) F.M.Vázquez | Synonym |  | WCSP | 
	
		| Quercus robur var. stenocarpa Beck | Synonym |  | WCSP | 
	
		| Quercus robur f. subglobosa (Schur) F.M.Vázquez | Synonym |  | WCSP | 
	
		| Quercus robur var. subglobosa Schur | Synonym |  | WCSP | 
	
		| Quercus robur f. subpraecox Mátyás | Synonym |  | WCSP | 
	
		| Quercus robur var. szovitzii A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. tardissima Mathieu & Fliche | Synonym |  | WCSP | 
	
		| Quercus robur var. tenorei A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. tenuifolia Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus robur var. thomasii (Ten.) A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. tricuspidata (Janka) Gürke | Synonym |  | WCSP | 
	
		| Quercus robur var. tubulosa (Schur) Gürke | Synonym |  | WCSP | 
	
		| Quercus robur var. virgiliana Ten. | Synonym |  | WCSP | 
	
		| Quercus robur var. welandii Heuff. | Synonym |  | WCSP | 
	
		| Quercus robur var. xylolepis Vuk. | Synonym |  | WCSP |