List of Acer species

{{short description|Taxonomic and aplphabetical listing of ''Acer'' species}} {{DISPLAYTITLE:List of ''Acer'' species}} {{TOC right}} There are nearly 160 species in the genus ''Acer''.<ref name= powo>{{cite web |title=''Acer'' L. |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:781358-1 |website=Plants of the World Online |publisher=Royal Botanic Gardens, Kew |access-date=15 October 2024}}</ref> Species with evergreen foliage are tagged #. Species and sections that are extinct are tagged with †.

==Species A-Z== The following is a list of accepted species ordered alphabetically. Living species are from the Plants of the World Online database,<ref name = powo/> which is maintained by Kew Botanical Garden in London, with additions of extinct species from paleobotanical literature.<ref name="Wolfe1987"/>

===A=== {{div col}} *''Acer acuminatum'' {{small|Wall. ex D.Don}} *''Acer acutum'' {{small|W.P.Fang}} *†''Acer alaskense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer albopurpurascens'' {{small|Hayata}} *†''Acer alvordense'' {{small|Axelrod}}<ref name="Wolfe1987"/> *''Acer amamiense'' {{small|Yamazaki}} *''Acer amplum'' {{small|Rehder}} *''Acer argutum'' {{small|Maxim.}} *†''Acer ashwilli'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer axelrodi'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> {{div col end}}

===B=== {{div col}} *''Acer barbinerve'' {{small|Maxim.}} *†''Acer beckeri'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer becki'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer beckianum'' {{small|Prakash & Barghoorn, 1961}} *''Acer binzayedii'' {{small|Y.L.Vargas-Rodr.}} *†''Acer bolanderi'' {{small|Lesquereux}}<ref name="Wolfe1987"/> *†''Acer bosrivularis'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer brevipes'' {{small|Gagnep., 1950}} *†''Acer browni'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer buergerianum'' {{small|Miq.}} {{div col end}}

===C=== {{div col}} *†''Acer cadaver'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer caesium'' {{small|Wall. ex Brandis}} *''Acer calcaratum'' {{small|Gagnep.}} *''Acer campbellii'' {{small|Hook.f. & Thomson ex Hiern}} *''Acer campestre'' {{small|L.}} *''Acer capillipes'' {{small|Maxim.}} *''Acer cappadocicum'' {{small|Gled.}} *''Acer carpinifolium'' {{small|Siebold & Zucc.}} *†''Acer cascadense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer castorrivularis'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer caudatifolium'' {{small|Hayata}} *''Acer caudatum'' {{small|Wall.}} *†''Acer chaneyi'' {{small|Knowlton}}<ref name="Wolfe1987"/> *''Acer chiangdaoense'' {{small|Santisuk}} *''Acer chienii'' {{small|Hu & W.C.Cheng}} *''Acer chingii'' {{small|Hu}} *''Acer chunii'' {{small|W.P.Fang}} *''Acer cinerascentiforme'' {{small|Pojark.}} *''Acer circinatum'' {{small|Pursh}} *''Acer cissifolium'' {{small|(Siebold & Zucc.) K.Koch}} *†''Acer clarnoense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer collawashense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer confertifolium'' {{small|Merr. & F.P.Metcalf}} *''Acer cordatum'' {{small|Pax}} *''Acer coriaceifolium'' {{small|H.Lév.}} *''Acer × coriaceum'' {{small|Bosc ex Tausch.}} *†''Acer cranei'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer crassum'' {{small|Hu & W.C.Cheng}} *''Acer crataegifolium'' {{small|Siebold & Zucc.}} *†''Acer crookense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer cuprovallis'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> {{div col end}}

===D=== {{div col}} *''Acer davidii'' {{small|Franch.}} *†''Acer dettermani'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer diabolicum'' {{small|Blume ex K.Koch}} *''Acer distylum'' {{small|Siebold & Zucc.}} *†''Acer douglasense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer duplicatoserratum'' {{small|Hayata}} {{div col end}}

===E=== {{div col}} *†''Acer elkanum'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer elwyni'' {{small|(Becker) Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer eomedianum'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer elegantulum'' {{small|W.P.Fang & P.L.Chiu}} *†''Acer eonegundo'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer erianthum'' {{small|Schwer.}} *''Acer erythranthum'' {{small|Gagnep.}} *†''Acer ezoanum'' {{small|Oishi et Huzioka}}<ref name="Wolfe1987"/> {{div col end}}

===F=== {{div col}} *''Acer fabri'' {{small|Hance}} *''Acer fenzelianum'' {{small|Hand.-Mazz.}} *†''Acer ferrignoi'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer floridanum'' {{small|(Chapm.) Pax}} *†''Acer florissanti'' {{small|Kirchner}}<ref name="Wolfe1987"/> *''Acer forrestii'' {{small|Diels}} *''Acer × freemanii'' {{small|A.E.Murray}} *''Acer fulvescens'' {{small|Rehder}} {{div col end}}

===G=== {{div col}} *†''Acer glabroides'' {{small|R.W. Brown}}<ref name="Wolfe1987"/> *''Acer glabrum'' {{small|Torr.}} *''Acer gracilifolium'' {{small|W.P.Fang & C.C.Fu}} *''Acer granatense'' {{small|Boiss.}} *''Acer grandidentatum'' {{small|Nutt.}} *†''Acer grantense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer griseum'' {{small|(Franch.) Pax}} {{div col end}}

===H===

{{div col}} *''Acer heldreichii'' {{small|Orph. ex Boiss.}} *''Acer henryi'' {{small|Pax}} *†''Acer heterodentatum'' {{small|(Chaney) MacGinitie}}<ref name="Wolfe1987"/> *''Acer hilaense'' {{small|Hu & W.C.Cheng}} *†''Acer hillsi'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer hueberi'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer hyrcanum'' {{small|Fisch. & C.A.Mey.}} {{div col end}}

===I=== {{div col}} *†''Acer idahoense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer insulare'' {{small|Makino}} *''Acer iranicum'' {{small|Mohtash. & Rastegar}} *†''Acer ivanofense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> {{div col end}}

===J=== {{div col}} *''Acer × jakelyanum'' {{small|Rottenst.}} *''Acer japonicum'' {{small|Thunb.}} *''Acer jarbidgianum'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> {{div col end}}

===K=== {{div col}} *†''Acer kenaicum'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer kluckingi'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer knolli'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer × koenighoferae'' {{small|Rottenst.}} *''Acer komarovii'' {{small|Pojark.}} *''Acer kungshanense'' {{small|W.P.Fang & C.Y.Chang}} *''Acer kuomeii'' {{small|W.P.Fang & M.Y.Fang}} *''Acer kwangnanense'' {{small|Hu & W.C.Cheng}} *''Acer kweilinense'' {{small|W.P.Fang & M.Y.Fang}} {{div col end}}

===L=== {{div col}} *''Acer laevigatum'' {{small|Wall.}} *†''Acer latahense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer laurinum'' {{small|Hassk.}} *''Acer laxiflorum'' {{small|Pax}} *''Acer leipoense'' {{small|W.P.Fang & Soong}} *''Acer leptophyllum'' {{small|W.P.Fang}} *''Acer leucoderme'' {{small|Small}} *†''Acer lincolnense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer lobelii'' {{small|Ten.}} *''Acer longipes'' {{small|Franch. ex Rehder}} *''Acer lucidum'' {{small|F.P.Metcalf}} *''Acer lungshengense'' {{small|W.P.Fang & L.C.Hu}} {{div col end}}

===M=== {{div col}} *†''Acer macginitiei'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer macrophyllum'' {{small|Pursh}} *†''Acer manchesteri'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer mandshuricum'' {{small|Maxim.}} *''Acer mapienense'' {{small|W.P.Fang}} *''Acer × martini'' {{small|Jord.}} *''Acer maximowiczianum'' {{small|Miq.}} *''Acer maximowiczii'' {{small|Pax}} *''Acer mazandaranicum'' {{small|Amini, H.Zare & Assadi}} *†''Acer medianum'' {{small|Knowlton}}<ref name="Wolfe1987"/> *†''Acer megasamarum'' {{small|Tanai & Onoe}}<ref name="Wolfe1987"/> *''Acer metcalfii'' {{small|Rehder}} *†''Acer meyeri'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer miaoshanicum'' {{small|W.P.Fang}} *''Acer micranthum'' {{small|Siebold & Zucc.}} *†''Acer milleri'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer minutifolium'' {{small|Chaney}}<ref name="Wolfe1987"/> *''Acer miyabei'' {{small|Maxim.}} *†''Acer molallense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer monspessulanum'' {{small|L.}} *†''Acer montanense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer morifolium'' {{small|Koidz.}} {{div col end}}

===N=== {{div col}} *†''Acer negundoides'' {{small|MacGinitie}}<ref name="Wolfe1987"/> *''Acer negundo'' {{small|L.}} *''Acer nigrum'' {{small|F.Michx.}} *†''Acer niklasi'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer nipponicum'' {{small|H.Hara}} {{div col end}}

===O=== {{div col}} *''Acer oblongum'' {{small|Wall. ex DC.}} *''Acer obtusifolium'' {{small|Sm.}} *''Acer okamotoanum'' {{small|Nakai}} *''Acer oligocarpum'' {{small|W.P.Fang & L.C.Hu}} *†''Acer oligomedianum'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer oliverianum'' {{small|Pax}} *''Acer opalus'' {{small|Mill.}} *†''Acer orbum'' {{small|LaMotte}}<ref name="Wolfe1987"/> *†''Acer oregonianum'' {{small|Knowlton}}<ref name="Wolfe1987"/> *''Acer orthocampestre'' {{small|G.W.Grimm & Denk}} *''Acer × osmastonii'' {{small|Gamble}} *†''Acer osmonti'' {{small|Knowlton}}<ref name="Wolfe1987"/> *†''Acer ovipetrinum'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> {{div col end}}

===P=== {{div col}} *''Acer paihengii'' {{small|W.P.Fang}} *†''Acer palaeorufinerve'' {{small|Tanai & Onoe}}<ref name="Wolfe1987"/> *''Acer palmatum'' {{small|Thunb.}} *''Acer pauciflorum'' {{small|W.P.Fang}} *''Acer paxii'' {{small|Franch.}} *''Acer pectinatum'' {{small|Wall. ex Brandis}} *''Acer pensylvanicum'' {{small|L.}} *''Acer pentaphyllum'' {{small|Diels}} *''Acer pentapomicum'' {{small|J.L.Stewart}} *''Acer pictum'' {{small|Thunb.}} *''Acer pilosum'' {{small|Maxim.}} *''Acer platanoides'' {{small|L.}} *''Acer poliophyllum'' {{small|W.P.Fang & Y.T.Wu}} *†''Acer powellense'' {{small|Tanai & Onoe}}<ref name="Wolfe1987"/> *†''Acer postense'' {{small|Tanai & Onoe}}<ref name="Wolfe1987"/> *†''Acer protomiyabi'' {{small|Endo}}<ref name="Wolfe1987"/> *†''Acer princetonese'' {{small|Tanai & Onoe}}<ref name="Wolfe1987"/> *''Acer pseudoplatanus'' {{small|L.}} *''Acer pseudosieboldianum'' {{small|(Pax) Kom.}} *''Acer pseudowilsonii'' {{small|Y.S.Chen}} *''Acer pubinerve'' {{small|Rehder}} *''Acer pubipetiolatum'' {{small|Hu & W.C.Cheng}} *''Acer pycnanthum'' {{small|K.Koch}} {{div col end}}

===R=== {{Div col}} *''Acer × ramosum'' {{small|Schwer.}} *†''Acer republicense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer robustum'' {{small|Pax}} *†''Acer rousei'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer rubrum'' {{small|L.}} *''Acer rufinerve'' {{small|Siebold & Zuccarini}} {{div col end}}

===S=== {{div col}} *''Acer saccharinum'' {{small|L.}} *''Acer saccharum'' {{small|Marshall}} (sugar maple) *†''Acer salmonense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer schorni'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer × schwerinii'' {{small|Pax}} *†''Acer scottiae'' {{small|MacGinitie}}<ref name="Wolfe1987"/> *''Acer sempervirens'' {{small|L.}} *†''Acer septilobatum'' {{small|Oliver}}<ref name="Wolfe1987"/> *''Acer serrulatum'' {{small|Hayata}} *''Acer shangszeense'' {{small|W.P.Fang & Soong}} *''Acer shenkanense'' {{small|W.P.Fang ex C.C.Fu}} *''Acer shenzhenensis'' {{small|R.H.Miao & X.M.Wang}} *''Acer shihweii'' {{small|F.Chun & W.P.Fang}} *''Acer shirasawanum'' {{small|Koidz.}} *''Acer sieboldianum'' {{small|Miq.}} *''Acer sikkimense'' {{small|Miq.}} *''Acer sino-oblongum'' {{small|F.P.Metcalf}} *''Acer sinopurpurascens'' {{small|W.C.Cheng}} *†''Acer sinuofluviatilis'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer skutchii'' {{small|Rehder}} *†''Acer smileyi'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer sosnowskyi'' {{small|Doluch.}} *''Acer spicatum'' {{small|Lam.}} * †''Acer spitzi'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer stachyophyllum'' {{small|Hiern}} *''Acer sterculiaceum'' {{small|Wall.}} *†''Acer stewarti'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer stockeyae'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer stonebergae'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer sutchuenense'' {{small|Franch.}} *''Acer sycopseoides'' {{small|Chun}} {{div col end}}

===T=== {{div col}} *†''Acer taggarti'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer tataricum'' {{small|L.}} **''Acer tataricum'' subsp. ''aidzuense'' {{small|(Franch.) P.C.de Jong}} **''Acer tataricum'' subsp. ''ginnala'' {{small|(Maxim.) Wesm.}} **''Acer tataricum'' subsp. ''semenovii'' {{small|(Regel & Herder) A.E.Murray}} **''Acer tataricum'' subsp. ''tataricum'' **''Acer tataricum'' subsp. ''theiferum'' {{small|(W.P.Fang) Y.S.Chen & P.C.de Jong}} *†''Acer taurocursum'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer tegmentosum'' {{small|Maxim.}} *''Acer tenellum'' {{small|Pax}} *''Acer tenuifolium'' {{small|(Koidz.) Koidz.}} *''Acer thomsonii'' {{small|Miq.}} *''Acer tibetense'' {{small|W.P.Fang}} *†''Acer tiffneyi'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer tigilense'' {{small|Chelebaeva}}<ref name="Wolfe1987"/> *''Acer tonkinense'' {{small|Lecomte}} *†''Acer toradense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer traini'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer triflorum'' {{small|Kom.}} *''Acer truncatum'' {{small|Bunge}} *''Acer tschonoskii'' {{small|Maxim.}} *''Acer tsinglingense'' {{small|W.P.Fang & C.C.Hsieh}} *''Acer tutcheri'' {{small|Duthie}} *†''Acer tyrellense'' {{small|Smiley}}<ref name="Wolfe1987"/> {{div col end}}

===U – Z=== {{div col}} *''Acer ukurunduense'' {{small|Trautv. & C.A.Mey.}} *''Acer undulatum'' {{small|Pojark.}} *''Acer × varbossanium'' {{small|(K.Malý) Simonk.}} *''Acer velutinum'' {{small|Boiss.}} *''Acer wangchii'' {{small|W.P.Fang}} *''Acer wardii'' {{small|W.W.Sm.}} *†''Acer washingtonense'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer wehri'' {{small|Wolfe & Tanai}}<ref name="Wolfe1987"/> *†''Acer whitebirdense'' {{small|(Ashlee) Wolfe & Tanai}}<ref name="Wolfe1987"/> *''Acer wilsonii'' {{small|Rehder}} *''Acer yangbiense'' {{small|Y.S.Chen & Q.E.Yang}} *''Acer yinkunii'' {{small|W.P.Fang}} *''Acer yui'' {{small|W.P.Fang}} *''Acer zarei'' {{small|Amini}} {{div col end}}

==Species listed by section and series== [[File:Acer velutinum, Dzveli Tbilisi, Tbilisi, Georgia 4.jpg|thumb|Velvet maple (''Acer velutinum'')]] [[File:Acer-monspessulanum.JPG|thumb|Montpellier maple (''Acer monspessulanum'')]] Infrageneric classification of extant species follows The Maple Society (E. Davis), 2021.<ref>{{cite web |url=https://maplesociety.org/wp-content/uploads/2021/07/classificationAcerMarch2021-vf2.pdf |title=Systematic Classification of ''Acer'' |last=Davis |first=E. |date=March 2021 |website= |publisher=The Maple Society |access-date=28 August 2021}}</ref>{{clarification needed|reason=The linked pdf was a dead link. I replaced a link to what I assume is the same classification. However, I note that the classification omits extinct species and sections that are listed here. These need sourcing |date=April 2022}}

===Section ''Acer''=== {{div col}} {{anchor|Acer sect. Acer}} * {{anchor|Series Acer|Acer ser. Acer}} Series ''Acer'' ** ''Acer caesium'' Wall. ex Brandis ** ''Acer heldreichii'' Orph. ex Boiss. ** ''Acer pseudoplatanus'' L. ** ''Acer sosnowskyi'' Duloch ** ''Acer velutinum'' Boiss. ** ''Acer yangbiense'' Chen & Yang * {{anchor|Series Monspessulana|Acer ser. Monspessulana}} Series ''Monspessulana'' ** ''Acer granatense'' Boissier ** ''Acer hyrcanum'' Fisch. & Meyer ** ''Acer iranicum'' Mohtashamian & Rastegar ** ''Acer mazandaranicum'' H.Zare & Assad ** ''Acer monspessulanum'' L. ** ''Acer obtusifolium'' Sibthorp & Smith ** ''Acer opalus'' Miller ** ''Acer sempervirens'' L. ** ''Acer undulatum'' Pojark * {{anchor|Series Saccharodendron|Acer ser. Saccharodendron}} Series ''Saccharodendron'' ** ''Acer binzayedii'' Vargas-Rodriguez ** ''Acer floridanum'' (Chapm.) Pax <ref>Whether this or ''A. barbatum'' is the proper name of this taxon is subject to contention, though Michaux's original material was a mix of ''A. saccharum'' and ''A. rubrum''. It is often treated as a subspecies of ''A. saccharum'': ''A. s''. subsp. ''floridanum'' (Chapm.) Desmarais.</ref> ** ''Acer grandidentatum'' Torr. & Gray<ref>Sometimes treated as a subspecies of ''A. saccharum'': ''A. s''. subsp. ''grandidentatum'' (Torr. & Gray) Desmarais.</ref> ** ''Acer leucoderme'' Small <ref>Often treated as a subspecies of ''A. saccharum'': ''A. s''. subsp. ''leucoderme'' (Small) Desmarais.</ref> ** ''Acer nigrum'' Michx.f.<ref>Often treated as a subspecies of ''A. saccharum'': ''A. s''. subsp. ''nigrum'' (Michx.f.) Desmarais.</ref> ** ''Acer saccharum'' Marshall ** ''Acer skutchii'' Rehder<ref>Sometimes treated as a subspecies of ''A. saccharum'': ''A. s''. subsp. ''skutchii'' (Rehder) E.Murray.</ref>

===Section ''Arguta''=== {{anchor|Acer sect. Arguta}} {{anchor|Series Arguta|Acer ser. Arguta}} * ''Acer acuminatum'' Wall. ex D.Don * ''Acer argutum'' Maxim. – deep-veined maple * ''Acer barbinerve'' Maxim. – bearded maple * ''Acer stachyophyllum'' Hiern – birch-leaved maple

===Section ''Ginnala''=== {{anchor|Acer sect. Ginnala}}[[Image:Acer ginnala.jpg|thumb|Amur maple (''Acer ginnala'')]] [[Image:Acer_tataricum4.jpg|thumb|Tatar maple (''Acer tataricum'')]] * ''Acer ginnala'' Maxim. – Amur maple<ref>Sometimes considered a subspecies of ''A. tataricum'': ''A. t''. subsp. ''ginnala'' (Maxim.) Wesm.</ref> * ''Acer tataricum'' L. – Tatar maple

===Section ''Glabra''=== {{anchor|Acer sect. Glabra}} * {{anchor|Series Glabra|Acer ser. Glabra}} Series ''Glabra'' ** ''Acer glabrum'' Torr. – Douglas maple, Rocky Mountain maple, Greene's maple, New Mexico maple, Torrey maple

===Section ''Indivisa''=== {{anchor|Acer sect. Indivisa}} * {{anchor|Series Indivisa|Acer ser. Indivisa}} Series ''Indivisa'' ** ''Acer carpinifolium'' Siebold & Zucc. – hornbeam maple

===Section ''Lithocarpa''=== {{anchor|Acer sect. Lithocarpa}} * {{anchor|Series Lithocarpa|Acer ser. Lithocarpa}} Series ''Lithocarpa'' ** ''Acer diabolicum'' Blume ex Koch – horned maple ** ''Acer kungshanense'' W. P. Fang & C. Y. Chang ** ''Acer leipoense'' Fang & Soong ** ''Acer lungshengense'' W. P. Fang & L. C. Hu ** ''Acer sinopurpurascens'' Cheng ** ''Acer sterculiaceum'' Wall. – Franchet’s maple, Himalayan maple ** ''Acer thomsonii'' Miquel ** ''Acer tsinglingense'' W. P. Fang & C. C. Hsieh

===Section ''Macrantha''=== {{anchor|Acer sect. Macrantha}}[[Image:Acer capillipes1.jpg|thumb|Red snakebark maple (''Acer capillipes'')]] thumb|''Acer davidii'' subsp. ''grosseri'' {{div col}} * ''Acer capillipes'' Maxim. * †''Acer castorrivularis'' Wolfe & Tanai (Late Eocene, Beaver Creek Flora)<ref name="Wolfe1987"/> * ''Acer caudatifolium'' Hayata * ''Acer chienii'' Hu & Cheng * ''Acer crataegifolium'' Siebold & Zucc. * ''Acer davidii'' Franch. * ''Acer forrestii'' Diels * ''Acer hookeri'' Miq. * ''Acer insulare'' Makino * ''Acer kawakamii'' Koidz. * ''Acer komarovii'' Pojark in Komarov * ''Acer laxiflorum'' Pax in Engler * ''Acer maximowiczii'' Pax<ref>Sometimes considered a subspecies of ''A. pectinatum'': ''A. p''. subsp. ''maximowiczii'' (Pax) E.Murray. Not to be confused with ''A. maximowiczianum'' Miq.</ref> * ''Acer metcalfii'' Rehder * ''Acer micranthum'' Siebold & Zucc. * ''Acer morifolium'' Koidz. * ''Acer pectinatum'' Wall. ex Nicholson * ''Acer pensylvanicum'' L. * ''Acer rubescens'' Hayata * ''Acer rufinerve'' Siebold & Zucc. * ''Acer sikkimense'' Miq. * ''Acer tegmentosum'' Maxim. * ''Acer tschonoskii'' Murray {{div col end}}

===Section ''Macrophylla''=== {{anchor|Acer sect. Macrophylla}} {{anchor|Series Macrophylla|Acer ser. Macrophylla}} * ''Acer macrophyllum'' Pursh – Oregon maple, bigleaf maple

===Section ''Negundo''=== {{anchor|Acer sect. Negundo}} * {{anchor|Series Negundo|Acer ser. Negundo}} Series ''Negundo'' ** ''Acer negundo'' L. – box elder, boxelder maple, Manitoba maple * {{anchor|Series Cissifolia|Acer ser. Cissifolia}} Series ''Cissifolia'' ** ''Acer cissifolium'' (Siebold & Zucc.) Koch ** ''Acer henryi'' Pax <ref>Sometimes treated as a subspecies of ''A. cissifolium'': ''A. c''. subsp. ''henryi'' (Pax) E.Murray.</ref>

===Section ''Palmata''=== {{anchor|Acer sect. Palmata}}[[Image:Acer japonicum1.jpg|thumb|Fullmoon maple (''Acer japonicum'')]] [[Image:Acer laevigatum.jpg|thumb|''Acer laevigatum'' seeds]] [[Image:Acer palmatum0.jpg|thumb|Japanese maple (''Acer palmatum'')]] * {{anchor|Series Palmata|Acer ser. Palmata}} Series ''Palmata'' ** ''Acer amoenum'' (Carriere) Hara ** ''Acer anhweiense'' Fang & Fang f. ** ''Acer calcaratum'' Gagnep. ** ''Acer campbellii'' Hook.f. & Thomson ex Hiern – Campbell's maple ** ''Acer chingii'' Hu ** ''Acer circinatum'' Pursh – vine maple ** ''Acer confertifolium'' Merril & Metcalf ** ''Acer duplicatoserratum'' Hayata ** ''Acer elegantulum'' Fang & Chiu ** ''Acer erianthum'' Schwer. ** ''Acer fenzelianum'' Hand.-Mazz. – Fenzl's maple ** ''Acer flabellatum'' Rehder<ref>Often treated as a subspecies of ''A. campbellii'': ''A. c''. subsp. ''flabellatum'' (Rehder) E.Murray.</ref> ** ''Acer heptaphlebium'' Gagnepain ** ''Acer japonicum'' Thunb. – downy Japanese maple ** ''Acer kuomeii'' Fang & Fang f. ** ''Acer kweilinense'' Fang & Fang f. ** ''Acer miaoshanicum'' Fang ** ''Acer oliverianum'' Pax – Oliver's maple<ref>Sometimes treated as a subspecies of ''A. campbellii'': ''A. c''. subsp. ''oliverianum'' (Pax) E.Murray</ref> ** ''Acer osmastonii'' Gamble ** ''Acer palmatum'' Thunb. – Japanese maple ** ''Acer pauciflorum'' Fang ** ''Acer pseudosieboldianum'' (Pax) Komarov - Korean maple ** ''Acer pseudowilsonii'' Y.S.Chen ** ''Acer pubinerve'' Rehder ** ''Acer pubipalmatum'' Fang ** ''Acer robustum'' Pax ** ''Acer serrulatum'' Hayata ** ''Acer shirasawanum'' Koidz. – Shirasawa's maple<ref>Also "fullmoon maple", which is also used for ''A.japonicum''. This is made more complex by ''A. japonicum'' var. ''microphyllum'' being a synonym of ''A. shirasawanum''.</ref> ** ''Acer sieboldianum'' Miq. – Siebold's maple ** ''Acer sinense'' Pax – Campbell's maple<ref>Often treated as a subspecies of ''A. campbellii'': ''A. c''. subsp. ''sinense'' (Rehder) De Jong.</ref> ** ''Acer takesimense'' Nakai ** ''Acer tenuifolium'' (Koidzumi) Koidzumi ** ''Acer tonkinense'' Lecompte ** ''Acer tutcheri'' Duthie ** ''Acer wangchii'' Fang ** ''Acer wilsonii'' Rehder – Wilson's maple<ref>Often treated as a subspecies of ''A. campbellii'': ''A. c''. subsp. ''wilsonii'' (Rehder) De Jong.</ref> * {{anchor|Series Penninervia|Acer ser. Penninervia}} Series ''Penninervia'' ** ''Acer cordatum'' Pax ** ''Acer crassum'' Chu & Cheng ** ''Acer erythranthum'' Gagnep. ** ''Acer fabri'' Hance ** ''Acer hilaense'' Hu & Cheng ** ''Acer kwangnanense'' Hu & Cheng ** ''Acer laevigatum'' Hu & Cheng – # smoothbark maple ** ''Acer oligocarpum'' ** ''Acer pubipetiolatum'' Hu & W.C.Cheng ** ''Acer sino-oblongum'' Metcalf ** ''Acer wangchii'' Fang

===Section ''Parviflora''=== {{anchor|Acer sect. Parviflora}} * {{anchor|Series Distyla|Acer ser. Distyla}} Series ''Distyla'' ** ''Acer distylum'' Siebold & Zucc. – lime-leaved maple * {{anchor|Series Parviflora|Acer ser. Parviflora}} Series ''Parviflora'' ** ''Acer nipponicum'' Hara – Nippon maple

===Section ''Pentaphylla''===  {{anchor|Acer sect. Pentaphylla}} * {{anchor|Series Pentaphylla|Acer ser. Pentaphylla}} Series ''Pentaphylla'' ** ''Acer pentaphyllum'' Diels * {{anchor|Series Trifida|Acer ser. Trifida}} Series ''Trifida'' (syn Section ''integrifolia'') ** ''Acer albopurpurascens'' Hayata ** ''Acer buergerianum'' Miq. – trident maple ** ''Acer chiangdaoense'' Santisuk ** ''Acer coriaceifolium'' Lév. - # leatherleaf maple ** ''Acer gracilifolium'' Fang & Fu ** ''Acer lucidum'' Metcalf ** ''Acer oblongum'' Wall. ex DC. - # ** ''Acer paihengii'' Fang ** ''Acer paxii'' Franch. - # ** ''Acer poliophyllum'' Fang & Wu ** ''Acer shihweii'' Chun & Fang ** ''Acer sycopseoides'' Chun ** ''Acer wangchii'' Fang ** ''Acer yinkunii'' Fang ** ''Acer yui'' Fang

===Section ''Platanoidea''=== {{anchor|Acer sect. Platanoidea}} * {{anchor|Series Platanoidea|Acer ser. Platanoidea}} Series ''Platanoidea'' ** ''Acer acutum'' Fang ** ''Acer amplum'' Rehder – broad maple<ref>Sometimes treated as a subspecies of ''A. longipes'': ''A. l''. subsp. ''amplum'' (Rehder) De Jong.</ref> ** ''Acer campestre'' L. – field maple ** ''Acer cappadocicum'' Gled. – Cappadocian maple ** ''Acer chunii'' Fang ** ''Acer divergens'' Koch ex Pax ** ''Acer fulvescens'' Rehder in Sargent ** ''Acer lobelii'' Ten. – Lobel's maple<ref>Sometimes treated as a subspecies of ''A. platanoides'': ''A. p''. subsp. ''lobelii'' (Ten.) Gams, or ''A. cappadocicum'': ''A. c''. subsp. ''lobelii'' (Ten.) De Jong.</ref> ** ''Acer longipes'' Franch. ex Rehder ** ''Acer miaotaiense'' P.C.Tsoong<ref>Sometimes considered a subspecies of ''A. miyabei'': ''A. m''. subsp. ''miaotaiense'' (P.C.Tsoong) E.Murray.</ref> ** ''Acer miyabei'' Maxim. – Miyabe's maple ** ''Acer okamotoanum'' Nakai ** ''Acer pictum'' Thunberg ** ''Acer platanoides'' L. – Norway maple ** ''Acer shenkanense'' Fang ex Fu ** ''Acer tenellum'' Pax ** ''Acer tibetense'' Fang ** ''Acer truncatum'' Bunge – Shandong maple ** ''Acer turkestanicum'' Pax in Engler

===Section ''Pubescentia''=== {{anchor|Acer sect. Pubescentia}} * {{anchor|Series Pubescentia|Acer ser. Pubescentia}} Series ''Pubescentia'' ** ''Acer pentapomicum'' Stewart ex Brandis ** ''Acer pilosum'' Maximowicz

===Section ''Rubra''=== {{anchor|Acer sect. Rubra}} * ''Acer laurinum'' Hassk. - # * ''Acer pycnanthum'' K.Koch * ''Acer rubrum'' L. – red maple * ''Acer saccharinum'' L. – silver maple

===Section ''Spicata''=== {{anchor|Acer sect. Spicata}} {{anchor|Series Caudata|Acer ser. Caudata}} * ''Acer caudatum'' Wall. – tail-leaf maple * ''Acer spicatum'' Lamarck – mountain maple * ''Acer ukurunduense'' Trautvetter & Meyer

===Section †''Spitza''=== {{anchor|Acer sect. Spitza}} * †''Acer spitzi'' Wolfe & Tanai (Early Eocene, Washington state)<ref name="Wolfe1987"/>

===Section ''Trifoliata''=== {{anchor|Acer sect. Trifoliata}} [[Image:Acer griseum2.jpg|thumb|Paperbark maple (''Acer griseum'')]] [[file:Acer maximowiczianum0.jpg|thumb|right|''Acer maximowiczianum'' leaves]] *{{anchor|Series Emeiensia|Acer ser. Emeiensia}} Series ''Emeiensia'' ** ''Acer sutchuenense'' Franch. *{{anchor|Series Grisea|Acer ser. Grisea}} Series ''Grisea'' ** ''Acer griseum'' (Franch.) Pax – paperbark maple ** ''Acer maximowiczianum'' Miq. – Nikko maple ** ''Acer triflorum'' Komarov – three-flowered maple *{{anchor|Series Mandshurica|Acer ser. Mandshurica}} Series ''Mandshurica'' ** ''Acer mandshuricum'' Maxim. – Manchurian maple

===Section ''Wardiana''=== {{anchor|Acer sect. Wardiana}} * ''Acer wardii'' W.W.Smith

==Hybrids== [[Image:Acer zoeschense2.jpg|thumb|Zoeschen maple (''Acer'' × ''zoeschense'')]] *''Acer × bormuelleri'' Borbas (''A. monspessulanum'' × ''A. campestre'' or ''A. opalus'') *''Acer × boscii'' Spach (''A. monspessulanum'' × ''A. tataricum'' or ''A. pensylvanicum'' × ''A. tataricum'', possibly ''A. tataricum'' × ''A. campestre'') *''Acer × conspicuum'' van Gelderen & Otterdoom (''A. davidii'' × ''A. pensylvanicum'') *''Acer × coriaceum'' Bosc ex Tausch (''A. monspessulanum'' × ''A. opalus'' ssp. ''obtusatum'') *''Acer × dieckii'' van Gelderen & Otterdoom See ''A. platanoides''<ref>van Gelderen (p. 245) concludes this is probably an aberrant ''A. platanoides'' closer to cultivar status.</ref> *''Acer × freemanii'' Murray (''A. rubrum'' × ''A. saccharinum'') *''Acer × hillieri'' Lancaster (''A. miyabei'' × ''A. cappadocicum'' 'Aureum') *''Acer × martinii'' Jordan (''A. monspessulanum'' × ''A. opalus'') *''Acer × pseudo-heldreichii'' Fukarek & Celjo (''A. pseudoplatanus'' × ''A. heldreichii'') *''Acer × ramosum'' Jordan (''A. monspessulanum'' × ''A. opalus'') *''Acer × schwerinii'' Pax (uncertain, maybe ''A. crataegifolium'' × ''A. rufinerve'') *''Acer × zoeschense'' Pax (''A. campestre'' × either ''A. cappadocicum'' or ''A. lobelii'')<ref>The identity of the second parent is uncertain, with these two species cited by different authors.</ref>

==Fossil Sections== A number of fossil sections were suggested by paleobotanists Jack Wolfe and Toshimasa Tanai in their 1987 revision of the North American fossil ''Acer'' record.<ref name="Wolfe1987">{{cite journal |last1=Wolfe |first1=J.A. |last2=Tanai |first2=T. |year=1987 |title=Systematics, Phylogeny, and Distribution of ''Acer'' (maples) in the Cenozoic of Western North America |journal=Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and Mineralogy |volume=22 |issue=1 |pages=1–246 |url=}}</ref>

===''Macrantha'' Group=== ====Section ''Arguta''==== * †''Acer ivanofense'' {{small|Wolfe & Tanai}} (Late Eocene to Early Oligocene, Meshik Volcanics, Alaska)<ref name="Wolfe1987"/>

====Section ''Cissifolia''==== * †''Acer lincolnense'' {{small|Wolfe & Tanai}} (late Eocene, Beaver Creek Flora, Montana)<ref name="Wolfe1987"/>

====Section ''Eriocarpa''==== [[File:Acer chaneyi USNM P38656 v3.tif|thumb|right|†''Acer chaneyi'' leaf]] * †''Acer chaneyi'' {{small|Knowlton}} (Oligocene to Miocene, Western US)<ref name="Wolfe1987"/> * †''Acer ezoanum'' {{small|Oishi et Huzioka}}<ref name="Wolfe1987"/> * †''Acer ferrignoi'' {{small|Wolfe & Tanai}} (Late Miocene, Oregon)<ref name="Wolfe1987"/> * †''Acer kenaicum'' {{small|Wolfe & Tanai}} (Oligocene, Kenai group, Alaska)<ref name="Wolfe1987"/> * †''Acer taggarti'' {{small|Wolfe & Tanai}} (Middle Miocene, Mascall Formation, Oregon)<ref name="Wolfe1987"/> * †''Acer taurocursum'' {{small|Wolfe & Tanai}} (Late Eocene, Bull Run, Nevada)<ref name="Wolfe1987"/> * †''Acer whitebirdense'' {{small|(Ashlee) Wolfe & Tanai}} (Middle Miocene, Northwestern USA)<ref name="Wolfe1987"/>

====Section ''Glabra''==== * †''Acer traini'' {{small|Wolfe & Tanai}} (Early to middle Miocene, Western North America)<ref name="Wolfe1987"/>

====Section ''Macrantha''==== * †''Acer castorrivularis'' {{small|Wolfe & Tanai}} * †''Acer clarnoense'' {{small|Wolfe & Tanai}} (Late Eocene, John Day Formation)<ref name="Wolfe1987"/> * †''Acer dettermani'' {{small|Wolfe & Tanai}} (Late Eocene - Early Oligocene, Meshik Volcanics)<ref name="Wolfe1987"/> * †''Acer latahense'' {{small|Wolfe & Tanai}} (Early - Late Miocene, Latah, Mascall, and Succor Creek Formations)<ref name="Wolfe1987"/> * †''Acer palaeorufinerve'' {{small|Tanai & Onoe}} (Miocene to Pliocene, East Asia & Alaska)<ref name="Wolfe1987"/>

====Section ''Negundo''==== [[File:Acer knolli as Acer oregonianum USNM364444 img3.jpg|thumb|right|†''Acer knolli'' samara]] * †''Acer cascadense'' {{small|Wolfe & Tanai}} (Oligocene, Blue Mountains, Oregon)<ref name="Wolfe1987"/> * †''Acer cranei'' {{small|Wolfe & Tanai}} (Early Oligocene, Central Oregon)<ref name="Wolfe1987"/> * †''Acer eonegundo'' {{small|Wolfe & Tanai}} (Middle - Late Eocene, Nevada)<ref name="Wolfe1987"/> * †''Acer heterodentatum'' {{small|Wolfe & Tanai}} (Early-Middle Miocene, Alaska & Oregon)<ref name="Wolfe1987"/> * †''Acer knolli'' {{small|Wolfe & Tanai}} (Miocene, Latah Formation)<ref name="Wolfe1987"/> * †''Acer macginitiei'' {{small|Wolfe & Tanai}} (Late Eocene, Montana - Colorado)<ref name="Wolfe1987"/> * †''Acer molallense'' {{small|Wolfe & Tanai}} (Oligocene or Early Miocene, Oregon)<ref name="Wolfe1987"/> * †''Acer negundoides'' {{small|Wolfe & Tanai}} (Early - Late Eocene, Pacific Coast & Great Basin)<ref name="Wolfe1987"/> * †''Acer sinuofluviatilis'' {{small|Wolfe & Tanai}} (Early Oligocene, Central Oregon)<ref name="Wolfe1987"/>

====Section †''Republica''==== {{anchor|Acer sect. Republica}} * †''Acer republicense'' {{small|Wolfe & Tanai}} (Early Eocene, Washington state)<ref name="Wolfe1987"/>

====Section ''Rubra''==== * †''Acer kluckingi'' {{small|Wolfe & Tanai}} (Early Oligocene, Central Oregon)<ref name="Wolfe1987"/> * †''Acer ovipetrinum'' {{small|Wolfe & Tanai}} (Early Oligocene, Central Oregon)<ref name="Wolfe1987"/> * †''Acer tigilense'' {{small|Chelebaeva}} (Late Oligocene - Middle Miocene, Russia, Alaska, Pacific Northwest)<ref name="Wolfe1987"/>

====Section ''Trilobata''==== * †''Acer ashwilli'' {{small|Wolfe & Tanai}} (Early Oligocene, Central Oregon)<ref name="Wolfe1987"/>

===''Macrophylla'' Group=== ====Section ''Acer''==== =====Series ''Acer''===== *†''Acer montanense'' {{small|Wolfe & Tanai}} *†''Acer postense'' {{small|Wolfe & Tanai}}

=====Series ''Saccharodendron''===== *†''Acer bolanderi'' {{small|Lesquereux}} *†''Acer collawashense'' {{small|Wolfe & Tanai}} *†''Acer minutifolium'' {{small|Chaney}} *†''Acer schorni'' {{small|Wolfe & Tanai}} *†''Acer tyrellense'' {{small|Smiley}}

====Section ''Lithocarpa''==== *''Acer beckeri'' {{small|Wolfe & Tanai}} *''Acer grantense'' {{small|Wolfe & Tanai}}

====Section ''Macrophylla''==== *''Acer alvordense'' {{small|Axelrod}} *''Acer busamarum'' {{small|Wolfe & Tanai}} *''Acer megasamarum'' {{small|Tanai & Ohno}} *''Acer oregonianum'' {{small|Knowlton}} *''Acer osmonti'' {{small|Knowlton}} *''Acer salmonense'' {{small|Wolfe & Tanai}}

====Section †''Princetona''==== *†''Acer princetonese'' {{small|Wolfe & Tanai}}

====Section †''Spitza''==== *''Acer spitzi'' {{small|Wolfe & Tanai}}

===''Orba'' Group=== ====Section †''Columbiana''==== *†''Acer eomedianum'' {{small|Wolfe & Tanai}} *†''Acer medianum'' {{small|Knowlton}} *†''Acer niklasi'' {{small|Wolfe & Tanai}} *†''Acer oligomedianum'' {{small|Wolfe & Tanai}} *†''Acer powellense'' {{small|Wolfe & Tanai}} *†''Acer stockeyae'' {{small|Wolfe & Tanai}}

====Section †''Glabroidea''==== [[file:Acer idahoense HT USNM P396033 v1.tif|thumb|right|''Acer idahoense'' holotype]] *†''Acer becki'' {{small|Wolfe & Tanai}} *†''Acer bosrivularis'' {{small|Wolfe & Tanai}} *†''Acer cadaver'' {{small|Wolfe & Tanai}} *†''Acer crokense'' {{small|Wolfe & Tanai}} *†''Acer cuprovallis'' {{small|Wolfe & Tanai}} *†''Acer elkoanum'' {{small|Wolfe & Tanai}} *†''Acer elwyni'' {{small|(Becker) Wolfe & Tanai}} *†''Acer florissanti'' {{small|Kirchner}} *†''Acer glabroides'' {{small|R.W.Brown}} *†''Acer idahoense'' {{small|Wolfe & Tanai}} *†''Acer jarbidgianum'' {{small|Wolfe & Tanai}} *†''Acer meyeri'' {{small|Wolfe & Tanai}} *†''Acer milleri'' {{small|Wolfe & Tanai}} *†''Acer wehri'' {{small|Wolfe & Tanai}}

====Section ''Orba''==== *†''Acer orbum'' {{small|LaMotte}}

===''Platanoidea'' Group=== ====Section ''Campestria''==== [[File:Acer septilobatum UMMP 17222, U Mich v2.jpg|thumb|right|†''Acer septilobatum'']] *†''Acer protomiyabi'' {{small|Endo}} *†''Acer septilobatum'' {{small|Oliver}} *†''Acer tiffneyi'' {{small|Wolfe & Tanai}}

====Section †''Manchesteria''==== *†''Acer axelrodi'' {{small|Wolfe & Tanai}} *†''Acer manchesteri'' {{small|Wolfe & Tanai}}

====Section ''Platanoidea''==== *†''Acer hueberi'' {{small|Wolfe & Tanai}} *†''Acer scottiae'' {{small|MacGinitie}}

===''Spicata'' Group=== ====Section † ''Alaskana''==== {{anchor|Acer sect. Alaskana}} * †''Acer alaskense'' {{small|Wolfe & Tanai}} (Late Paleocene, Matanuska River Valley, Alaska)<ref name="Wolfe1987"/>

====Section †''Douglasa''==== {{anchor|Acer sect. Douglasa}} * †''Acer douglasense'' {{small|Wolfe & Tanai}} (Early Eocene, Cape Douglas, Alaska)<ref name="Wolfe1987"/>

====Section ''Parviflora''==== * †''Acer browni'' {{small|Wolfe & Tanai}} (Early-Middle Miocene; Washington, Oregon, British Columbia)<ref name="Wolfe1987"/> * †''Acer smileyi'' {{small|Wolfe & Tanai}} (late Oligocene-Middle Miocene; Alaska, Idaho, Oregon, Nevada)<ref name="Wolfe1987"/>

====Section †''Rousea''==== {{anchor|Acer sect. Rousea}} * †''Acer rousei'' {{small|Wolfe & Tanai}} (Early Eocene, British Columbia)<ref name="Wolfe1987"/>

====Section †''Stewarta''==== {{anchor|Acer sect. Stewarta}} * †''Acer hillsi'' {{small|Wolfe & Tanai}} (Early Eocene, Washington state)<ref name="Wolfe1987"/> * †''Acer stewarti'' {{small|Wolfe & Tanai}} (Early Eocene, British Columbia)<ref name="Wolfe1987"/>

====Section †''Torada''==== {{anchor|Acer sect. Torada}} * †''Acer stonebergae'' {{small|Wolfe & Tanai}} (Early Eocene, Washington State & British Columbia)<ref name="Wolfe1987"/> * †''Acer toradense'' {{small|Wolfe & Tanai}} (Early Eocene, Washington State & British Columbia)<ref name="Wolfe1987"/> * †''Acer washingtonense'' {{small|Wolfe & Tanai}} (Early Eocene, Washington State)<ref name="Wolfe1987"/>

==Notes== {{Reflist}}

==References== {{Commons category|Acer}} * {{cite book | last =van Gelderen | first = Dick M. |author2=Piet C. de Jong |author3=Herman John Oterdoom | title = Maples of the World | year = 1994 | publisher = Timber Press | location = Portland | isbn= 0-88192-000-2}} *{{cite book | last =Rushforth | first = Keith | title = Trees of Britain and Europe | year = 1999 | publisher = Collins | location = London | isbn= 0-00-220013-9}} *{{cite journal | last=Turland| first=Nicholas J.| title=Neotypification of ''Acer orientale'' (Aceraceae)|date=November 1995| journal=Taxon| volume=44| issue=4| pages=597–600| doi=10.2307/1223502 | publisher=International Association for Plant Taxonomy (IAPT) | jstor=1223502}} *{{cite web| last=Xu |first=Ting-zhi |author2=Chen Yousheng |author3=Piet C. de Jong |author4=Herman J. Oterdoom |author5=Chin-Sung Chang |title=Aceraceae |work=Flora of China |access-date=2008-05-28 |url=http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=10005}}

*List Acer Acer species