|  | Plant Entry Guide Whole Plant Names starting with L Look your plant's name up under Genus: you'll find its official abbreviation, if it's a naturally occurring genus or an intergeneric hybrid, what its closest relations are within the orchid family, and finally the information you're looking for to register it: the Alliance it belongs to. Once you know its alliance, you can look it up in the Registration Categories sheet (the link is below). | 
| Genus | Abbreviation | Composition | Subtribe | Alliance | 
| Lacaena | Lcna* | Natural Genus | Stanhopeinae | Miscellaneous | 
| Laelia | L | Natural Genus | Laeliinae | Cattleya | 
| Laeliocatonia | Lctna | Bro x C x L | Laeliinae | Cattleya | 
| Laeliocattkeria | Lcka | Bark x C x L | Laeliinae | Cattleya | 
| Laeliocattleya | Lc | C x L | Laeliinae | Cattleya | 
| Laeliokeria | Lkra | Bark x L | Laeliinae | Cattleya | 
| Laeliopleya | Lpya | C x Lps | Laeliinae | Cattleya | 
| Laeliopsis | Lps | Natural Genus | Laeliinae | Cattleya | 
| Laelonia | Lna | Bro x L | Laeliinae | Cattleya | 
| Lagerara | Lgra | Asp x Cda x Odm | Oncidiinae | Oncidium | 
| Laipenchihara | Lpca | Asctm x Dor x Neof x Rhy x V | Aeridinae | Vanda | 
| Lancebirkara | Lbka | Bol x Cnths x Pes | Zygopetalinae | Miscellaneous | 
| Lanium | Lanm* | Natural Genus | Laeliinae | Cattleya | 
| Lankesterella | Lnkstr | Natural Genus | Spiranthinae | Miscellaneous | 
| Lauara | Lauara | Ascgm x Ren x Rhy | Aeridinae | Vanda | 
| Laycockara | Lay | Arach x Phal x Vdps | Aeridinae | Vanda | 
| Leaneyara | Lnya | Asctm x Rhy x Sarco x V | Aeridinae | Vanda | 
| Leeara | Leeara | Arach x V x Vdps | Aeridinae | Vanda | 
| Lemaireara | Lemra | Bro x Ctps x Epi | Laeliinae | Cattleya | 
| Lemboglossum | Lemb | Natural Genus | Oncidiinae | Oncidium | 
| Leochilus | Lchs | Natural Genus | Oncidiinae | Oncidium | 
| Leocidium | Lcdm | Lchs x Onc | Oncidiinae | Oncidium | 
| Leocidmesa | Lcmsa | Gom x Lchs x Onc | Oncidiinae | Oncidium | 
| Leocidpasia | Lcdpa | Asp x Lchs x Onc | Oncidiinae | Oncidium | 
| Lepanopsis | Lep | Lths x Lpths | Pleurothallidinae | Miscellaneous | 
| Lepanthes | Lths | Natural Genus | Pleurothallidinae | Miscellaneous | 
| Lepanthopsis | Lpnthp | Natural Genus | Pleurothallidinae | Miscellaneous | 
| Leptodendrum | Lrtdm | Epi x Lpt | Laeliinae | Cattleya | 
| Leptokeria | Lptka | Bark x Lpt | Laeliinae | Cattleya | 
| Leptolaelia | Lptl | L x Lpt | Laeliinae | Cattleya | 
| Leptotes | Lpt | Natural Genus | Laeliinae | Cattleya | 
| Leptovola | Lptv | B x Lpt | Laeliinae | Cattleya | 
| Leslieara | Lesl | Bro x Ctps x Diacm x Epi | Laeliinae | Cattleya | 
| Lewisara | Lwsra | Aer x Arach x Asctm x V | Aeridinae | Vanda | 
| Liaopsis | Liaps | L x Lps | Laeliinae | Cattleya | 
| Lichtara | Licht | Dor x Gchls x Phal | Aeridinae | Vanda | 
| Liebmanara | Lieb | Asp x Cda x Onc | Oncidiinae | Oncidium | 
| Limara | Lim | Arach x Ren x Vdps | Aeridinae | Vanda | 
| Limatodes | Limtd | Natural Genus | ? | |
| Lioponia | Lpna | Bro x Lps | Laeliinae | Cattleya | 
| Liparis | Lip | Natural Genus | Malaxideae | Miscellaneous | 
| Listrostachys | Lstrst | Natural Genus | Aerangidinae | Vanda | 
| Lockcidium | Lkcdm | Lhta x Onc | Oncidiinae | Oncidium | 
| Lockcidmesa | Lkda | Lhta x Onc x Gom | Oncidiinae | Oncidium | 
| Lockhartia | Lhta | Natural Genus | Oncidiinae | Oncidium | 
| Lockochilettia | Lkctta | Comp x Lchs x Lhta | Oncidiinae | Oncidium | 
| Lockochilus | Lkchs | Lchs x Lhta | Oncidiinae | Oncidium | 
| Lockogochilus | Lkgch | Gom x Lchs x Lhta | Oncidiinae | Oncidium | 
| Lockopilia | Lckp | Lhta x Trpla | Oncidiinae | Oncidium | 
| Lockostalix | Lkstx | Lhta x Sgmx | Oncidiinae | Oncidium | 
| Lowara | Low | B x L x Soph | Laeliinae | Cattleya | 
| Lowsonara | Lwnra | Aer x Asctm x Rhy | Aeridinae | Vanda | 
| Luascotia | Lscta | Asctm x Lsa x Neof | Aeridinae | Vanda | 
| Ludisia | Lds | Natural Genus | Goodyerinae | Miscellaneous | 
| Lueddemannia | Lddmnn | Natural Genus | Stanhopeinae | Miscellaneous | 
| Luicentrum | Lctm | Asctm x Lsa | Aeridinae | Vanda | 
| Luichilus | Luic | Lsa x Sarco | Aeridinae | Vanda | 
| Luinetia | Lnta | Lsa x Neof | Aeridinae | Vanda | 
| Luinopsis | Lnps | Lsa x Phal | Aeridinae | Vanda | 
| Luisanda | Lsnd | Lsa x V | Aeridinae | Vanda | 
| Luisia | Lsa | Natural Genus | Aeridinae | Vanda | 
| Luistylis | Lst | Lsa x Rhy | Aeridinae | Vanda | 
| Luivanetia | Lvta | Lsa x Neof x V | Aeridinae | Vanda | 
| Lutherara | Luth | Phal x Ren x Rhy | Aeridinae | Vanda | 
| Lycaste | Lyc | Natural Genus | Lycastinae | Miscellaneous | 
| Lycasteria | Lystr | Bif x Lyc | Lycastinae | Miscellaneous | 
| Lycomormium | Lycmrm | Natural Genus | Stanhopeinae | Miscellaneous | 
| Lymanara | Lynra | Aer x Arach x Ren | Aeridinae | Vanda | 
| Lyonara | Lyon | C x L x Soph | Laeliinae | Cattleya |