| Juglans ailanthifolia Carrière | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans alata Carrière ex Dippel | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans alba L. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans alba var. minima Marshall | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans alba var. odorata Marshall | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans albo-ovata Marshall | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans allardiana Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans amara Michx.f. | 
		Synonym | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans ambigua Michx.f. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans angustifolia Aiton | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans aquatica F. Michx. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans arguta Wall. ex C.DC | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans arizonica Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans asplenifolia Dippel | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans australis Griseb. | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans avellana Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans baccata L. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Juglans biflorens Tujcz. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Juglans × bixbyi Rehder | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans boliviana (C. DC.) Dode | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans brasiliensis Dode | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans californica S.Watson | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans californica var. hindsii Jeps. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans camirium Lour. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans catappa (L.) Lour. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans cathartica Michx.f. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans cathayensis Dode | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans cathayensis var. formosana (Hayata) A.M. Lu & R.H. Chang | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans cinerea L. | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans coarctata Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans collapsa Dode | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans columbiensis Dode | 
		Synonym | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans compressa Gaertn. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans compressa Muhl. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans cordiformis Wangenh. | 
		Synonym | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans coreensis Siebold | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans costata Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans cylindrica Lam. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans dissecta C.DC. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans dissecta Dippel | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans domingensis Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans draconis Dode | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans duclouxiana Dode | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans elaepyren Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans equatoriensis Linden | 
		Synonym | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans fallax Dode | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans fertilis Dippel | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans filicifolia Lodd. ex Loudon | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans formosana Hayata | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans fraxinifolia Lam. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans frutescens Dippel | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans fruticosa Dippel | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans glabra Mill. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans glabrata W.E. Manning | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Juglans gonroku Makino | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans granatensis Linden | 
		Synonym | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans guatemalensis W.E.Manning | 
		Synonym | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans heterophylla Loudon | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans hindsii Jeps. ex R.E. Sm. | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans hirsuta W.E. Manning | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans hispanica D.Rivera & al. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans honorei Dode | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans hopeiensis Hu | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans illinoensis Wangenh. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans illinoinensis Wangenh. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans indochinensis A. Chev. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans insularis Griseb. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans × intermedia Dippel | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans × intermedia Jacques | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans intermedia Carrière | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans jamaicensis C.DC. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans japonica Siebold ex Miq. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans japonica Lavallée | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans kamaonia (C. DC.) Dode | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans kurumi Siebold | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans laciniosa F. Michx. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans latifolia Lam. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans lavallei Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans longirostris Carrière | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans macrophylla Carrière | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans major (Torr.) A. Heller | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans major var. stewartii I.M. Johnst. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans malosma Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans mandshurica Maxim. | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans mexicana S. Watson | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans microcarpa Berland. | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans microcarpa var. major (Torr.) L.D. Benson | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans microcarpa var. stewartii (I.M. Johnst.) W.E. Manning | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans mirabunda Koidz. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans mollis Engelm. | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans mucronata Michx. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans myristiciformis F. Michx. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans neomexicana Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans neotropica Diels | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans nigra L. | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans nigra var. boliviana C. DC. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans × notha Rehder | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans obcordata Lam. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans oblonga Mill. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans olanchana Standl. & L.O.Williams | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans oliviformis Michx. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans oliviformis Marshall | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans orientis Dode | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans ovalis Wangenh. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans ovata Mill. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans ovoidea Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans pecan Marshall | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans peruviana Dode | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans petiolata Custis | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans pistaciformis Tujcz. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Juglans pitteursii C.Morren | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans poilanei A.Chev. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans porcina Michx.f. | 
		Synonym | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans porcina var. obcordata Pursh | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans portoricensis Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans praematuriens Dippel | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans praeparturiens Dippel | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans procera Salisb. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans pterocarpa Michx. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans pterococca Roxb. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans pubescens Willd. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans pyriformis Liebm. | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans quadrangulata Rehder | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans × quercifolia N.Pierce | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans racemiformis Tujcz. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Juglans regia L. | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans regia subsp. fallax Popov | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans regia var. kamaonia C. DC. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans regia var. sinensis C. DC. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans rubra Gaertn. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans rugosa Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans rupestris Engelm. ex Torr. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans rupestris var. major Torr. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans sachalinensis Komatsu | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans salicifolia Dippel | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans sargentii Sudw. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans sieboldiana Maxim. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans sigillata Dode | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans sinensis (C. DC.) Dode | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans soratensis W.E.Manning | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans squamosa Poir. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans squamosa F.Michx. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans stenocarpa Maxim. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans steyermarkii W.E. Manning | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Juglans subcordiformis Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans subrupestris Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans sulcata Willd. | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans tomentosa Poir. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Juglans torreyi Dode | 
		Unresolved | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans venezuelensis W.E.Manning | 
		Accepted | 
		  | 
		WCSP (in review) | 
	
	
		| Juglans × vilmoriniana Lavallée ex Vilm. | 
		Unresolved | 
		  | 
		WCSP (in review) |