| Quercus adriatica Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus anglica Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus approximata Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus arnasensis Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus arrecta Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus attenuata Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus ballica Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus borealis Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus brachylobus Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus brevipedunculata Cariot & St.-Lag. | Synonym |  | WCSP | 
	
		| Quercus brumalis Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus calcarea Troitsky | Synonym |  | WCSP | 
	
		| Quercus calcicola Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus collivaga Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus columbaria Vuk. | Synonym |  | WCSP | 
	
		| Quercus conformis Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus coriacea Bechst. | Synonym |  | WCSP | 
	
		| Quercus coriascens Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus coronensis Schur | Synonym |  | WCSP | 
	
		| Quercus decipiens Behlen | Synonym |  | WCSP | 
	
		| Quercus dispar Raf. | Synonym |  | WCSP | 
	
		| Quercus druidica Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus dumetorum Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus durinus Raf. | Synonym |  | WCSP | 
	
		| Quercus eboracensis Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus eminens Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus erythroneura Vuk. | Synonym |  | WCSP | 
	
		| Quercus esculus L. | Synonym |  | WCSP | 
	
		| Quercus gallica Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus glaucina Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus gothica Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus granitica Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus hypoleuca Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus imponens Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus insularis Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus jactata Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus juncta Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus juvenilis Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus lanciloba Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus latifida Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus lephrella Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus limitanea Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus longiaristata Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus longipetiolata Schur | Synonym |  | WCSP | 
	
		| Quercus marmarophila Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus mas Thore | Synonym |  | WCSP | 
	
		| Quercus mediocris Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus mespilifolia Wallr. | Synonym |  | TRO | 
	
		| Quercus moderata Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus oblita Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus ovalis Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus pedunculata f. angustifolia Cout. | Synonym |  | WCSP | 
	
		| Quercus pedunculata f. brevipedunculata Cout. | Synonym |  | WCSP | 
	
		| Quercus pedunculata f. longipedunculata Cout. | Synonym |  | WCSP | 
	
		| Quercus pedunculata f. subocculata Cout. | Synonym |  | WCSP | 
	
		| Quercus peraffinis Gand. | Synonym |  | WCSP | 
	
		| Quercus petiolata Schur | Synonym |  | WCSP | 
	
		| Quercus petraea f. angulata (Vuk.) C.Vicioso | Synonym |  | WCSP | 
	
		| Quercus petraea subsp. austrotyrrhenica Brullo, Guarino & Siracusa | Synonym |  | WCSP | 
	
		| Quercus petraea f. emarginata C.Vicioso | Synonym |  | WCSP | 
	
		| Quercus petraea f. globosa (Borbás) C.Vicioso | Synonym |  | WCSP | 
	
		| Quercus petraea f. grandedentata Brujic | Synonym |  | WCSP | 
	
		| Quercus petraea f. heuffelii Mátyás | Synonym |  | WCSP | 
	
		| Quercus petraea var. laciniata (Lam.) C.Vicioso | Synonym |  | WCSP | 
	
		| Quercus petraea f. lobulosa (O.Schwarz) C.Vicioso | Synonym |  | WCSP | 
	
		| Quercus petraea var. macrocarpa Vuk. ex Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus petraea f. macrocarpa (Vuk. ex Asch. & Graebn.) Soó | Synonym |  | WCSP | 
	
		| Quercus petraea subsp. mas (Thore) C.Vicioso | Synonym |  | WCSP | 
	
		| Quercus petraea var. mespilifolia (Wallr.) Geerinck | Synonym |  | WCSP | 
	
		| Quercus petraea f. microbalanos Soó | Synonym |  | WCSP | 
	
		| Quercus petraea f. microcarpa Cristur. | Synonym |  | WCSP | 
	
		| Quercus petraea f. minima Cristur. | Synonym |  | WCSP | 
	
		| Quercus petraea f. pinnata (C.K.Schneid.) C.Vicioso | Synonym |  | WCSP | 
	
		| Quercus petraea f. platyphylla (Lam.) O.Schwarz | Synonym |  | WCSP | 
	
		| Quercus petraea var. platyphylla (Lam.) C.Vicioso | Synonym |  | WCSP | 
	
		| Quercus petraea f. salicifolia Brujic | Synonym |  | WCSP | 
	
		| Quercus proximellla Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus regalis Burnett ex Endl. | Synonym |  | WCSP | 
	
		| Quercus remotiuscula Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus robur var. communis A.DC. | Synonym |  | WCSP | 
	
		| Quercus robur var. laciniata Lam. | Synonym |  | WCSP | 
	
		| Quercus robur var. mespilifolia Wallr. | Synonym |  | WCSP | 
	
		| Quercus robur var. platyphylla Lam. | 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 sarcolepis Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus sessiliflora Salisb. | Synonym |  | WCSP | 
	
		| Quercus sessiliflora f. angulata Vuk. | Synonym |  | WCSP | 
	
		| Quercus sessiliflora var. angustata Zapal. | Synonym |  | WCSP | 
	
		| Quercus sessiliflora f. bolleana Asch. | Synonym |  | WCSP | 
	
		| Quercus sessiliflora f. castanoides Vuk. | Synonym |  | WCSP | 
	
		| Quercus sessiliflora var. coriacea (Bechst.) Gürke | Synonym |  | WCSP | 
	
		| Quercus sessiliflora f. crassifolia Vuk. | Synonym |  | WCSP | 
	
		| Quercus sessiliflora var. decipiens Bechst. | Synonym |  | WCSP | 
	
		| Quercus sessiliflora var. fruticosa Schur | Synonym |  | WCSP | 
	
		| Quercus sessiliflora var. glabra Borbás | Synonym |  | WCSP | 
	
		| Quercus sessiliflora var. globosa Borbás | Synonym |  | WCSP | 
	
		| Quercus sessiliflora f. lobulata Christ | Synonym |  | WCSP | 
	
		| Quercus sessiliflora var. longicarpa Schur | Synonym |  | WCSP | 
	
		| Quercus sessiliflora var. longifolia Dippel | Synonym |  | WCSP | 
	
		| Quercus sessiliflora f. pinnata C.K.Schneid. | Synonym |  | WCSP | 
	
		| Quercus sessiliflora var. platyphylla (Lam.) DC. | Synonym |  | WCSP | 
	
		| Quercus sessiliflora var. sphaerocarpa (Vuk.) Gürke | Synonym |  | WCSP | 
	
		| Quercus sessiliflora var. sublobata (Kit.) Nyman | Synonym |  | WCSP | 
	
		| Quercus sessiliflora var. subtubulosa Schur | Synonym |  | WCSP | 
	
		| Quercus sessiliflora f. undulata Vuk. | Synonym |  | WCSP | 
	
		| Quercus sessilis Ehrh. ex Schur | Synonym |  | WCSP | 
	
		| Quercus sessilis var. acutiloba Olson ex A.Camus | Synonym |  | WCSP | 
	
		| Quercus sessilis var. angulata (Vuk.) Beck | Synonym |  | WCSP | 
	
		| Quercus sessilis var. columbaria (Vuk.) Borbás | Synonym |  | WCSP | 
	
		| Quercus sessilis var. coronensis (Schur) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. decipiens (Bechst.) C.K.Schneid. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. erythroneura (Vuk.) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. fruticosa (Schur) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. glabrata Schur | Synonym |  | WCSP | 
	
		| Quercus sessilis var. globosa Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. laciniata (Lam.) C.K.Schneid. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. longicarpa (Schur) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. longifolia (Dippel) C.K.Schneid. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. longipedunculata Moss | Synonym |  | WCSP | 
	
		| Quercus sessilis var. louettei Petz. & G.Kirchn. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. macrocarpa Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. mespilifolia (Wallr.) Koehne | Synonym |  | WCSP | 
	
		| Quercus sessilis var. microbalana Lojac. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. microbalanos Boreau | Synonym |  | WCSP | 
	
		| Quercus sessilis var. pendula C.K.Schneid. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. petiolata Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus sessilis f. pinnatifida Medw. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. platyphylla (Lam.) Rouy | Synonym |  | WCSP | 
	
		| Quercus sessilis var. puigi Sennen ex A.Camus | Synonym |  | WCSP | 
	
		| Quercus sessilis var. spathulifolia (Vuk.) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. sphaerocarpa (Vuk.) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. sphaerocarpa Moss | Synonym |  | WCSP | 
	
		| Quercus sessilis var. stenophylla Zabel ex A.Camus | Synonym |  | WCSP | 
	
		| Quercus sessilis f. sublobata (Kit.) C.K.Schneid. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. sublobata (Kit.) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. subtubulosa (Schur) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus sessilis var. undulata (Vuk.) Asch. & Graebn. | Synonym |  | WCSP | 
	
		| Quercus slavorum Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus spathulifolia Vuk. | Synonym |  | WCSP | 
	
		| Quercus sphaerocarpa Vuk. | Synonym |  | WCSP | 
	
		| Quercus strangulata Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus sublobata Kit. | Synonym |  | WCSP | 
	
		| Quercus suecica Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus talenceana Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus vukotinovicii Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus wahusiensis Gand. [Invalid] | Synonym |  | WCSP | 
	
		| Quercus zagrabiensis Gand. [Invalid] | Synonym |  | WCSP |