| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| LIAU4 | Linum australe Heller | southern flax | Linaceae
|
| LIBEB2 | Linum berlandieri Hook. var. berlandieri | Berlandier's yellow flax | Linaceae
|
| LIBEF | Linum berlandieri Hook. var. filifolium (Shinners) Rogers | Berlandier's yellow flax | Linaceae
|
| LIBE2 | Linum berlandieri Hook. | Berlandier's yellow flax | Linaceae
|
| LIBI7 | Linum bicarpellatum H.K. Sharsmith | Hesperolinon bicarpellatum | Linaceae
|
| LIBI5 | Linum bienne P. Mill. | pale flax | Linaceae
|
| LIBR7 | Linum breweri Gray | Hesperolinon breweri | Linaceae
|
| LICAC5 | Linum californicum Benth. var. confertum Gray ex Trel. | Hesperolinon californicum | Linaceae
|
| LICAC6 | Linum californicum Benth. var. congestum (Gray) Jepson | Hesperolinon congestum | Linaceae
|
| LICA26 | Linum californicum Benth. | Hesperolinon californicum | Linaceae
|
| LICAC3 | Linum carteri Small var. carteri | Carter's flax | Linaceae
|
| LICAS | Linum carteri Small var. smallii Rogers | Small's flax | Linaceae
|
| LICA14 | Linum carteri Small | Carter's flax | Linaceae
|
| LICA9 | Linum catharticum L. | fairy flax | Linaceae
|
| LICLP | Linum clevelandii Greene var. petrophilum Jepson | Hesperolinon clevelandii | Linaceae
|
| LICL2 | Linum clevelandii Greene | Hesperolinon clevelandii | Linaceae
|
| LICO3 | Linum compactum A. Nels. | Wyoming flax | Linaceae
|
| LICO13 | Linum congestum Gray | Hesperolinon congestum | Linaceae
|
| LIDI3 | Linum digynum Gray | Sclerolinon digynum | Linaceae
|
| LIDR2 | Linum drymarioides Curran | Hesperolinon drymarioides | Linaceae
|
| LIEL3 | Linum elongatum (Small) Winkl. | Laredo flax | Linaceae
|
| LIFLC | Linum floridanum (Planch.) Trel. var. chrysocarpum Rogers | Florida yellow flax | Linaceae
|
| LIFLF2 | Linum floridanum (Planch.) Trel. var. floridanum | Florida yellow flax | Linaceae
|
| LIFL | Linum floridanum (Planch.) Trel. | Florida yellow flax | Linaceae
|
| LIGA4 | Linum gallicum L. | Linum trigynum | Linaceae
|
| LIGR4 | Linum grandiflorum Desf. | flowering flax | Linaceae
|
| LIGR12 | Linum greggii Engelm. | Linum schiedeanum | Linaceae
|
| LIHA4 | Linum harperi Small | Linum sulcatum var. harperi | Linaceae
|
| LIHU2 | Linum hudsonioides Planch. | Texas flax | Linaceae
|
| LIHU3 | Linum humile P. Mill. | Linum usitatissimum | Linaceae
|
| LIIM | Linum imbricatum (Raf.) Shinners | tufted flax | Linaceae
|
| LIIN | Linum intercursum Bickn. | sandplain flax | Linaceae
|
| LIKIP | Linum kingii S. Wats. var. pinetorum M.E. Jones | Linum kingii | Linaceae
|
| LIKIS2 | Linum kingii S. Wats. var. sedoides Porter | Linum kingii | Linaceae
|
| LIKI2 | Linum kingii S. Wats. | King's flax | Linaceae
|
| LILE5 | Linum leptopoda A. Nels. | Linum subteres | Linaceae
|
| LILEA | Linum lewisii Pursh var. alpicola Jepson | prairie flax | Linaceae
|
| LILEL2 | Linum lewisii Pursh var. lewisii | prairie flax | Linaceae
|
| LILEP | Linum lewisii Pursh var. pratense J.B.S. Norton | Linum pratense | Linaceae
|
| LILES | Linum lewisii Pursh var. saxosum Maguire & A. Holmgren | Linum lewisii var. alpicola | Linaceae
|
| LILE3 | Linum lewisii Pursh | prairie flax | Linaceae
|
| LILE10 | Linum lewisii auct. non Pursh | Linum perenne | Linaceae
|
| LILU | Linum lundellii Rogers | Sullivan City flax | Linaceae
|
| LIMA10 | Linum macrocarpum Rogers | Spring Hill flax | Linaceae
|
| LIMEM | Linum medium (Planch.) Britt. var. medium | stiff yellow flax | Linaceae
|
| LIMET | Linum medium (Planch.) Britt. var. texanum (Planch.) Fern. | stiff yellow flax | Linaceae
|
| LIME2 | Linum medium (Planch.) Britt. | stiff yellow flax | Linaceae
|
| LIMI10 | Linum micranthum Gray | Hesperolinon micranthum | Linaceae
|
| LINA2 | Linum narbonense L. | flax | Linaceae
|
| LINE | Linum neomexicanum Greene | New Mexico yellow flax | Linaceae
|
| LIPEL3 | Linum perenne L. ssp. lewisii (Pursh) Hult�n | Linum lewisii var. lewisii | Linaceae
|
| LIPEL2 | Linum perenne L. var. lewisii (Pursh) Eat. & J. Wright | Linum lewisii var. lewisii | Linaceae
|
| LIPE2 | Linum perenne L. | blue flax | Linaceae
|
| LIPR | Linum pratense (J.B.S. Norton) Small | meadow flax | Linaceae
|
| LIPU4 | Linum puberulum (Engelm.) Heller | plains flax | Linaceae
|
| LIRIB | Linum rigidum Pursh var. berlandieri (Hook.) Torr. & Gray | Linum berlandieri var. berlandieri | Linaceae
|
| LIRIC2 | Linum rigidum Pursh var. carteri (Small) Rogers | Linum carteri var. carteri | Linaceae
|
| LIRIC | Linum rigidum Pursh var. compactum (A. Nels.) Rogers | Linum compactum | Linaceae
|
| LIRIF | Linum rigidum Pursh var. filifolium Shinners | Linum berlandieri var. filifolium | Linaceae
|
| LIRIP2 | Linum rigidum Pursh var. puberulum Engelm. | Linum puberulum | Linaceae
|
| LIRIR | Linum rigidum Pursh var. rigidum | stiffstem flax | Linaceae
|
| LIRIS | Linum rigidum Pursh var. simulans Rogers | stiffstem flax | Linaceae
|
| LIRI | Linum rigidum Pursh | stiffstem flax | Linaceae
|
| LIRU2 | Linum rupestre (Gray) Engelm. ex Gray | rock flax | Linaceae
|
| LISA4 | Linum sanctum Small | Linum berlandieri var. berlandieri | Linaceae
|
| LISC5 | Linum schiedeanum Schlecht. & Cham. | Schied's flax | Linaceae
|
| LISP7 | Linum spergulinum Gray | Hesperolinon spergulinum | Linaceae
|
| LISTM | Linum striatum Walt. var. medium (Planch.) Boivin | Linum medium var. medium | Linaceae
|
| LISTM2 | Linum striatum Walt. var. multijugum Fern. | Linum striatum | Linaceae
|
| LISTT | Linum striatum Walt. var. texanum (Planch.) Boivin | Linum medium var. texanum | Linaceae
|
| LIST | Linum striatum Walt. | ridged yellow flax | Linaceae
|
| LISU5 | Linum subteres (Trel.) Winkl. | sprucemont flax | Linaceae
|
| LISUH | Linum sulcatum Riddell var. harperi (Small) Rogers | Harper's flax | Linaceae
|
| LISUS | Linum sulcatum Riddell var. sulcatum | grooved flax | Linaceae
|
| LISU4 | Linum sulcatum Riddell | grooved flax | Linaceae
|
| LITR4 | Linum trigynum L. | French flax | Linaceae
|
| LIUSH | Linum usitatissimum L. var. humile (P. Mill.) Pers. | Linum usitatissimum | Linaceae
|
| LIUS | Linum usitatissimum L. | common flax | Linaceae
|
| LIVE2 | Linum vernale Woot. | Chihuahuan flax | Linaceae
|
| LIVIF | Linum virginianum L. var. floridanum Planch. | Linum floridanum var. floridanum | Linaceae
|
| LIVIM | Linum virginianum L. var. medium Planch. | Linum medium var. medium | Linaceae
|
| LIVIT | Linum virginianum L. var. texanum Planch. | Linum medium var. texanum | Linaceae
|
| LIVI | Linum virginianum L. | woodland flax | Linaceae
|
| LIWE | Linum westii Rogers | West's flax | Linaceae
|
| LINUM | Linum L. | flax | Linaceae
|
| LIEG | Liparis eggersii Reichenb. f. | Liparis nervosa | Orchidaceae
|
| LIEL2 | Liparis elata Lindl. | Liparis nervosa | Orchidaceae
|
| LIHA2 | Liparis hawaiensis Mann | Hawai'i widelip orchid | Orchidaceae
|
| LILI3 | Liparis liliifolia (L.) L.C. Rich. ex Ker-Gawl. | brown widelip orchid | Orchidaceae
|
| LILO | Liparis loeselii (L.) L.C. Rich. | yellow widelip orchid | Orchidaceae
|
| LINE2 | Liparis nervosa (Thunb.) Lindl. | pantropical widelip orchid | Orchidaceae
|
| LISA2 | Liparis saundersiana Reichenb. f. | Saunders' widelip orchid | Orchidaceae
|
| LIVE3 | Liparis vexillifera (Llave & Lex.) Cogn. | tropical widelip orchid | Orchidaceae
|
| LIPAR | Liparis L.C. Rich. | widelip orchid | Orchidaceae
|
| LIAR6 | Lipocarpha aristulata (Coville) G. Tucker | awned halfchaff sedge | Cyperaceae
|
| LIDR3 | Lipocarpha drummondii (Nees) G. Tucker | Drummond's halfchaff sedge | Cyperaceae
|
| LIMA4 | Lipocarpha maculata (Michx.) Torr. | American halfchaff sedge | Cyperaceae
|
| LIMI12 | Lipocarpha micrantha (Vahl) G. Tucker | smallflower halfchaff sedge | Cyperaceae
|
| LIMI4 | Lipocarpha microcephala auct. non Kunth | Lipocarpha aristulata | Cyperaceae
|
| LIOC3 | Lipocarpha occidentalis (Gray) G. Tucker | western halfchaff sedge | Cyperaceae
|
| LIRE12 | Lipocarpha ?rehmanii (Ridley) Goetghebeur | Rehman's halfchaff sedge | Cyperaceae
|