List Updated 4th. July 2004 :- Now Contains Hybrid Genera to Orchid Review Volume 112 Number 1258.( Many thanks to Bob Betts for further corrections.)
Name / Abbrev. / Tribe / SubTribeAa
/ Aa / Natural / Tropidieae / PrescottiinaeAbdominea / Abd / Natural / Vandeae / Aeridinae
Acacallis / Acclls / == Aganisia / Maxillarieae / Zygopetalinae
Acampe / Acp / Vandeae / Aeridinae
Acampodorum / Apd / Acampe x Armdrm / Vandeae / Aeridinae
Acanthephippium / Aca / Natural / Arethuseae / Bletiinae
Aceras / A / Natural / Orchideae / Orchidinae
Aceratorchis / Ao / Natural / Orchideae / Orchidinae
Acianthus / Aci / Natural / Diurideae / Acianthinae
Acinbreea / Acba / Acn x Emb / Maxillarieae / Stanhopeinae
Acineta / Acn / Natural / Maxillarieae / Stanhopeinae
Acostaea / Acsta / Natural / Epidendreae / Pleurothallidinae
Acriopsis / Acr / Natural / Cymbidiae / Acriopsidinae
Acrolophia / Apa / Natural / Cymbidiae / Cyrtopodiinae
Acrorchis / Arr / Natural / Epidendreae / Laeliinae
Ada / Ada / Natural / Maxillarieae / Oncidiinae
Adacidium / Adcm / Ada x Onc / Maxillarieae / Oncidiinae
Adaglossum / Adgm / Ada x Odm / Maxillarieae / Oncidiinae
Adamara
(Replaces Yamadaara) / Adm / B x C x Epi x L / Epidendreae / Laeliinae
Adapasia / Adps / Ada x Asp / Maxillarieae / Oncidiinae
Adenochilus / Ad / Natural / Diurideae / Caladeniinae
Adenoncos / Ade / Natural / Vandeae / Aeridinae
Adioda / Ado / Ada x Cda / Maxillarieae / Oncidiinae
Adrorhizon / Adr / Natural / Epidendreae / Adrorhizinae
Aerangaeris / Arg / Aergs x Rgs / Vandeae / Aerangidinae
Aerangis / Aergs / Natural / Vandeae / Aerangidinae
Aeranthes / Aerth / Natural / Vandeae / Angraecinae
Aerasconetia / Aescta / Aer x Asctm x Neof / Vandeae / Aeridinae
Aeridachnis / Aerdns / Aer x Arach / Vandeae / Aeridinae
Aerides / Aer / Natural / Vandeae / Aeridinae
Aeridisia / Aersa / Aer x Lsa / Vandeae / Aeridinae
Aeriditis / Aerdts / Aer x Dor / Vandeae / Aeridinae
Aeridocentrum / Aerctm / Aer x Asctm / Vandeae / Aeridinae
Aeridochilus / Aerchs / Aer x Sarco / Vandeae / Aeridinae
Aeridofinetia / Aerf / Aer x Neof / Vandeae / Aeridinae
Aeridoglossum / Aergm / Aer x Ascgm / Vandeae / Aeridinae
Aeridoglottis / Aegts / Aer x Trgl / Vandeae / Aeridinae
Aeridopsis / Aerps / Aer x Phal / Vandeae / Aeridinae
Aeridovanda / Aerdv / Aer x V / Vandeae / Aeridinae
Aeridovanisia / Aervsa / Aer x Lsa x V / Vandeae / Aeridinae
Agananthes / Agths / Agn x Cnths / Maxillarieae / Zygopetalinae
Aganax
(Replaced by Pabanisia) / Agx / Agn x Clx / Maxillarieae / Zygopetalinae
Aganisia / Agn / Natural / Maxillarieae / Zygopetalinae
Agasepalum / Agsp / Zygosepalum x Aganisia / Maxillarieae / Zygopetalinae
Aglossorhyncha / Ag / Natural / Epidendreae / Glomerinae
Agrostophyllum / Agr / Natural / Epidendreae / Glomerinae
Aitkenara / Aitk / Otst x Z x Zspm / Maxillarieae / Zygopetalinae
Alamania / Almn / Natural / Epidendreae / Laeliinae
Alangreatwoodara / Agwa / Clx x Prom x Z / Maxillarieae / Zygopetalinae
Alantuckerera / Atc / Prom x Ngdna x Z / Maxillarieae / Zygopetalinae
Alexanderara / Alxra / Brs x Cda x Odm x Onc / Maxillarieae / Oncidiinae
Aliceara / Alcra / Brs x Milt x Onc / Maxillarieae / Oncidiinae
Allenara / Alna / C x Diacm x Epi x L / Epidendreae / Laeliinae
Alphonsoara / Alph / Arach x Asctm x V x Vdps / Vandeae / Aeridinae
Altensteinia / Alt / Natural / Cranichideae / Prescottiinae
Amblostoma / Amb / Natural == Epidendrum / Epidendreae / Laeliinae
Ambrella / Aba / Natural / Vandeae / Angraecinae
Amerorchis / Aos / Natural / Orchideae / Orchidinae
Amesangis / Am / Aer x Amesiella / Vandeae / Aeridinae
Amesiella / Ame / Natural / Vandeae / Aeridinae
Amesilabium / Aml / Amesiella x Tuberolabium / Vandeae / Aeridinae
Amitostigma / Ami / Natural / Orchideae / Orchidinae
Amparoa / Amp / Natural / Maxillarieae / Oncidiinae
Amphigena / Aga / == Disa / Diseae / Disinae
Anacamptis / Ant / Natural / Orchideae / Orchidinae
Anaphorkis / Apk / Aslla x Grks / Cymbidieae / Cyrtopodiinae
Ancistrochilus / Anc / Natural / Arethuseae / Bletiinae
Ancistrorhynchus / Anci / Natural / Vandeae / Aerangidinae
Andascodenia
(Replaced by Ascofadanda) / Add / Asctm x Seidnf x V / Vandeae / Aeridinae
Andreetara / Are / Cda x Milt x Odm x Zel / Maxillarieae / Oncidiinae
Andrewara / Andw / Arach x Ren x Trgl x V / Vandeae / Aeridinae
Androcorys / Andr / Natural / Orchideae / Orchidinae
Angida / Agd / Anguloa x Ida / Maxillarieae / Lycastinae
Anglyda / Ayd / Anguloa x Lyc x Ida / Maxillarieae / Lycastinae
Angraecentrum / Angctm / Angcm x Asctm / Vandeae / Angraecinae
Angraecopsis / Ago / Natural / Vandeae / Aerangidinae
Angraecopsis / Angcps / Natural / Vandeae / Aeridinae
Angraecostylis / Angsts / Angcm x Rhy / Vandeae / ??
Angraecum / Angm / Natural / Vandeae / Angraecinae
Angraecyrtanthes / Ancyth / Aerth x Angcm X Cyrtcs / Vandeae / Angraecinae
Angraeorchis / Angchs / Angcm x Cyrtcs / Vandeae / Angraecinae
Angrangis / Angrs / Aergs x Angcm / Vandeae / ??
Angranthellea / Angtla / Aerth x Angcm x Jum / Vandeae / Angraecinae
Angranthes / Angth / Aerth x Angcm / Vandeae / Angraecinae
Angreoniella / Angnla / Angcm x Oenla / Vandeae / Angraecinae
Anguloa / Ang / Natural / Maxillarieae / Lycastinae
Angulocaste / Angcst / Anguloa x Lyc / Maxillarieae / Lycastinae
Anoectochilus / Anct / Natural / Cranichideae / Goodyerinae
Anoectomaria / Anctma / Anct x Haem / Cranichideae / Goodyerinae
Ansellia / Aslla / Natural / Cymbidieae / Cyrtopodiinae
Ansidium / Asdm / Aslla x Cym / Cymbidieae / Cyrtopodiinae
Anthogonium / Agm / Natural / Arethuseae / Bletiinae
Anthosiphon / Asn / Natural / Maxillarieae / Maxillariinae
Antillanorchis / Als / Natural / Maxillarieae / Oncidiinae
Aorchis / Aor / Natural / Orchideae / Orchidinae
Aphyllorchis / Aph / Natural / Neottieae / Limodorinae
Aplectrum / Apl / Natural / Calypsoeae
Aporostylis / Apor / Natural / Diurideae / Caladeniinae
Appendicula / App / Natural / Podochileae / Podochilinae
Aracampe / Arcp / Acp x Arach / Vandeae / Aeridinae
Aracamunia / Arc / Natural / Cranichideae / Spiranthinae
Arachnanthe / Archnn / == Arachnis / Vandeae / Aeridinae
Arachnis / Arach / Natural / Vandeae / Aeridinae
Arachnocentron / Act / Arach x Clctn / Vandeae / Aeridinae
Arachnoglossum / Arngm / Arach x Ascgm / Vandeae / Aeridinae
Arachnoglottis / Arngl / Arach x Trgl / Vandeae / Aeridinae
Arachnopsirea / Aps / Arachnis x Phal x Sdr / Vandeae / Aeridinae
Arachnopsis / Arnps / Arach x Phal / Vandeae / Aeridinae
Arachnostylis / Arnst / Arach x Rhy / Vandeae / Aeridinae
Aranda / Aranda / Arach x V / Vandeae / Aeridinae
Aranthera / Arnth / Arach x Ren / Vandeae / Aeridinae
Arethusa / Aret / Natural / Arethuseae / Arethusinae
Arizara / Ariz / C x Dga x Epi / Epidendreae / Laeliinae
Armanda / Ard / Acampe x Armdrm / Vandeae / Aeridinae
Armandacentrum / Adc / Armdrm x Asctm x V / Vandeae / Aeridinae
Armocentron / Art / Armdrm x Clctn / Vandeae / Aeridinae
Armochilus / Arl / Armdrm x Strchl / Vandeae / Aeridinae
Armodorum / Armdrm / Natural / Vandeae / Aeridinae
Arnottia / Arn / Natural / Orchideae / Habenariinae
Arpophyllum / Arpo / Natural / Epidendreae / Arpophyllinae
Arthrochilus / Arth / Natural / Diurideae / Drakaeinae
Artorima / Artrm / Natural / Epidendreae / Laeliinae
Arundina / Ar / Natural / Misfits / Arundinae
Ascandopsis / Ascdps / Asctm x Vdps / Vandeae / Aeridinae
Ascidieria / Asc / Natural / Podochileae / Eriinae
Ascocenda / Ascda / Asctm x V / Vandeae / Aeridinae
Ascocentrum / Asctm / Natural / Vandeae / Aeridinae
Ascochilopsis / Acs / Natural / Vandeae / Aeridinae
Ascochilus / Acl / Natural / Vandeae / Aeridinae
Ascocleinetia / Ascln / Asctm x Clctn x Neof / Vandeae / Aeridinae
Ascofadanda
(Replaces Andascodenia) / Afd / Asctm x S x V / Vandeae / Aeridinae
Ascofinetia / Ascf / Asctm x Neof / Vandeae / Aeridinae
Ascogastisia / Agsta / Asctm x Gchls x Lsa / Vandeae / Aeridinae
Ascoglossum / Ascgm / Natural / Vandeae / Aeridinae
Ascoglottis / Asgts / Asctm x Trgl / Vandeae / Aeridinae
Ascolabium / Albm / Natural / Vandeae / Aeridinae
Asconopsis / Ascps / Asctm x Phal / Vandeae / Aeridinae
Ascoparanthera / Apn / Ascgm x Pps x Ren / Vandeae / Aeridinae
Ascorachnis / Ascns / Arach x Asctm / Vandeae / Aeridinae
Ascoralda / Ald / Asctm x Esmeralda / Vandeae / Aeridinae
Ascorhynopsis / Arp / Asctm x Pps / Vandeae / Aeridinae
Ascovandoritis / Asvts / Asctm x Dor x V / Vandeae / Aeridinae
Aspaleomnia / Alm / Asp x Lchs x Tolu / Maxillarieae / Oncidiinae
Aspasia / Asp / Natural / Maxillarieae / Oncidiinae
Aspasium / Aspsm / Asp x Onc / Maxillarieae / Oncidiinae
Aspidogyne / Apg / Natural / Cranichideae / Goodyerinae
Aspodia / Asid / Asp x Cda / Maxillarieae / Oncidiinae
Aspodonia / Aspd / Asp x Milt x Odm / Maxillarieae / Oncidiinae
Aspoglossum / Aspgm / Asp x Odm / Maxillarieae / Oncidiinae
Aulosepalum / Aul / Natural / Cranichideae / Spiranthinae
Aulostylis / Ass / Natural / Arethuseae / Bletiinae
Australia / Ast / Au x Doc / Dendrobieae / Dendrobiinae
Australorchis / Au / Natural / Dendrobieae / Dendrobiinae
Auxopus / Ax / Natural / Gastrodieae / Gastrodiinae
Ayubara / Ayb / Aer x Arach x Ascgm / Vandeae / Aeridinae
Azadehdelia / Az / Natural / Vandeae / Aerangidinae
Bakerara / Bak / Brs x Milt x Odm x Onc / Maxillarieae / Oncidiinae
Balaguerara / Blga / Bro x Epi x Lps x Ttma / Epidendreae / Laeliinae
Baldwinara / Bdwna / Asp x Cda x Odm x Onc / Maxillarieae / Oncidiinae
Banfieldara / Bnfd / Ada x Brs x Odm / Maxillarieae / Oncidiinae
Bapticidium / Btcm / Bapt x Onc / Maxillarieae / Oncidiinae
Baptikoa / Btk / Bapt x Zel / Maxillarieae / Oncidiinae
Baptirettia / Btta / Bapt x Comp / Maxillarieae / Oncidiinae
Baptistoglossum / Bpgm / Bapt x Odm / Maxillarieae / Oncidiinae
Baptistonia / Bapt / Natural / Maxillarieae / Oncidiinae
Baptodia / Bpd / Bapt x Cda / Maxillarieae / Oncidiinae
Barangis / Brgs / Aergs x Brmb / Vandeae / Aerangidinae
Barbosaara / Bbra / Cda x Gom x Odm x Onc / Maxillarieae / Oncidiinae
Barbosella / Bar / Natural Genus / Epidendreae / Pleurothallidinae
Barbrodia / Bbd / Natural / Epidendreae / Pleurothallidinae
Bardendrum / Bard / Bark x Epi / Epidendreae / Laeliinae
Barkeria / Bark / Natural / Epidendreae / Laeliinae
Barkonitis / Bknts / Bark x S / Epidendreae / Laeliinae
Barlia / Ba / Natural / Orchideae / Orchidinae
Barombia / Brmb / == Aerangis / Vandeae / Aerangidinae
Bartholina / Bart / Natural / Orchideae / Orchidinae
Basigyne / Bge / Natural / Coelogyneae / Coelogyninae
Basiphyllaea / Bas / Natural / Epidendreae / Laeliinae
Baskervilla / Bva / Natural / Cranichideae / Cranichidinae
Batemannia / Btmna / Natural / Maxillarieae / Zygopetalinae
Bateostylis / Btst / Btmna x Otst / Maxillarieae / Zygopetalinae
Baumannara / Bmnra / Comp x Odm x Onc / Maxillarieae / Oncidiinae
Beadlea / Bdlea / == Cyclopogon / Cranichideae / Spiranthinae
Beallara / Bllra / Brs x Cda x Milt x odm / Maxillarieae / Oncidiinae
Beardara / Bdra / Asctm x Dor x Phal / Vandeae / Aeridinae
Beclardia / Bec / Natural / Vandeae / Aerangidinae
Beloglottis / Bel / Natural / Cranichideae / Spiranthinae
Benthamia / Bent / Natural / Orchideae / Orchidinae
Benzingia / Bza / Natural / Maxillarieae / Zygopetalinae
Biermannia / Bie / Natural / Vandeae / Aeridinae
Bifranisia / Bfsa / Agn x Bif / Maxillarieae / Lycastinae
Bifrenaria / Bif / Natural / Maxillarieae / Lycastinae
Bifrenidium / Bifdm / Bif x Cym / Maxillarieae / Lycastinae
Bifreniella / Bifla / Bif x Rud / Maxillarieae / Lycastinae
Biltonara / Bilt / Ada x Cda x Milt x Odm / Maxillarieae / Oncidiinae
Binotia / Bntia / Natural / Maxillarieae / Oncidiinae
Bipinnula / Bip / Natural / Diurideae / Chloraeinae
Bishopara / Bish / Bro x C x S / Epidendreae / Laeliinae
Blackara / Blkr / Asp x Cda x Milt x Odm / Maxillarieae / Oncidiinae
Blephariglottis / Blphrg / == Platanthera / Orchideae / Orchidineae
Bletia / Bletia / Natural / Arethuseae / Bletiinae
Bletiaglottis / Blgts / Bletia x Spa / Arethuseae / Bletiinae
Bletilla / Ble / Natural / Arethuseae / Bletiinae
Bloomara / Blma / Bro x Lps x Ttma / Epidendreae / Laeliinae
Bogardara / Bgd / Asctm x Phal x V x Vdps / Vandeae / Aeridinae
Bogoria / Bog / Natural / Vandeae / Aeridinae
Bokchoonara / Bkch / Arach x Asctm x Phal x V / Vandeae / Aeridinae
Bollea / Bol / Natural / Maxillarieae / Zygopetalinae
Bolleanthes / Blth / Bol x Cnths / Maxillarieae / Zygopetalinae
Bollopetalum / Blptm / Bol x Z / Maxillarieae / Zygopetalinae
Bolusiella / Bolu / Natural / Vandeae / Aerangidinae
Bonatea / Bnt / Natural / Orchideae / Orchidinae
Bonniera / Bonn / Natural / Vandeae / Angraecinae
Bothriochilus / Bthrch / Natural / Epidendreae / Laeliinae
Bovornara / Bov / Arach x Asctm x Rhy x V / Vandeae / Aeridinae
Braasiella / Braa / Natural / Maxillarieae / Oncidiinae
Brachionidium / Brchnd / Natural / Epidendreae / Pleurothallidinae
Brachtia / Brcht / Natural / Maxillarieae / Oncidiinae
Brachycorythis / Bcs / Natural / Orchideae / Orchidinae
Brachypeza / Bpa / Natural / Vandeae / Aeridinae
Brachystele / Bse / Natural / Cranichideae / Spiranthinae
Bracisepalum / Bpm / Natural / Coelogyneae / Coelogyninae
Bradeara / Brade / Comp x Gom x Rdza / Maxillarieae / Oncidiinae
Braemia / Bma / Natural / Maxillarieae / Stanhopeinae