| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| LERAR2 | Leymus racemosus (Lam.) Tzvelev ssp. racemosus | mammoth wildrye | Poaceae
|
| LERAS | Leymus racemosus (Lam.) Tzvelev ssp. sabulosus (M. Bieb.) Tzvelev | mammoth wildrye | Poaceae
|
| LERA5 | Leymus racemosus (Lam.) Tzvelev | mammoth wildrye | Poaceae
|
| LESAM | Leymus salinus (M.E. Jones) A. L�ve ssp. mojavensis Barkworth & Atkins | Mojave wildrye | Poaceae
|
| LESAS | Leymus salinus (M.E. Jones) A. L�ve ssp. salinus | saline wildrye | Poaceae
|
| LESAS2 | Leymus salinus (M.E. Jones) A. L�ve ssp. salmonis (C.L. Hitchc.) Atkins | saline wildrye | Poaceae
|
| LESA4 | Leymus salinus (M.E. Jones) A. L�ve | saline wildrye | Poaceae
|
| LESE14 | Leymus secalinus (Georgi) Tzvel. | wildrye | Poaceae
|
| LESIL | Leymus simplex (Scribn. & Williams) D.R. Dewey var. luxurians (Scribn. & Williams) Beetle | Leymus simplex | Poaceae
|
| LESI5 | Leymus simplex (Scribn. & Williams) D.R. Dewey | alkali wildrye | Poaceae
|
| LETRM | Leymus triticoides (Buckl.) Pilger ssp. multiflorus (Gould) A. L�ve | Leymus multiflorus | Poaceae
|
| LETR5 | Leymus triticoides (Buckl.) Pilger | beardless wildrye | Poaceae
|
| LEVA3 | Leymus �vancouverensis (Vasey) Pilger (pro sp.) | | Poaceae
|
| LEVE4 | Leymus velutinus (Bowden) A.& D. L�ve | Leymus innovatus | Poaceae
|
| LEVI13 | Leymus villosissimus (Scribn.) Tzvelev | Leymus mollis ssp. villosissimus | Poaceae
|
| LEYMU | Leymus Hochst. | wildrye | Poaceae
|
| LIAC | Liatris acidota Engelm. & Gray | sharp blazing star | Asteraceae
|
| LIAN4 | Liatris angustifolia (Bush) Gaiser | Liatris densispicata var. interrupta | Asteraceae
|
| LIASA | Liatris aspera Michx. var. aspera | tall blazing star | Asteraceae
|
| LIASI | Liatris aspera Michx. var. intermedia (Lunell) Gaiser | tall blazing star | Asteraceae
|
| LIASS | Liatris aspera Michx. var. salutans (Lunell) Shinners | tall blazing star | Asteraceae
|
| LIAS | Liatris aspera Michx. | tall blazing star | Asteraceae
|
| LIBE5 | Liatris bebbiana Rydb. | Liatris pycnostachya var. pycnostachya | Asteraceae
|
| LIBO6 | Liatris borealis Nutt. | Liatris scariosa var. novae-angliae | Asteraceae
|
| LIBO7 | Liatris �boykinii Torr. & Gray (pro sp.) | | Asteraceae
|
| LIBR | Liatris bracteata Gaiser | bracted blazing star | Asteraceae
|
| LICH2 | Liatris chapmanii Torr. & Gray | Chapman's blazing star | Asteraceae
|
| LICO17 | Liatris cokeri Pyne & Stucky | Sandhills blazing star | Asteraceae
|
| LICO12 | Liatris compacta (Torr. & Gray) Rydb. | Liatris squarrosa var. compacta | Asteraceae
|
| LICY | Liatris cylindracea Michx. | Ontario blazing star | Asteraceae
|
| LICY2 | Liatris cymosa (H. Ness) K. Schum. | branched blazing star | Asteraceae
|
| LIDED | Liatris densispicata (Bush) Gaiser var. densispicata | densespike blazing star | Asteraceae
|
| LIDEI | Liatris densispicata (Bush) Gaiser var. interrupta Gaiser | densespike blazing star | Asteraceae
|
| LIDE4 | Liatris densispicata (Bush) Gaiser | densespike blazing star | Asteraceae
|
| LIEA | Liatris earlei (Greene) K. Schum. | Liatris squarrulosa | Asteraceae
|
| LIELC | Liatris elegans (Walt.) Michx. var. carizzana Gaiser | pinkscale blazing star | Asteraceae
|
| LIELE | Liatris elegans (Walt.) Michx. var. elegans | pinkscale blazing star | Asteraceae
|
| LIELF | Liatris elegans (Walt.) Michx. var. flabellata (Small) Gaiser | pinkscale blazing star | Asteraceae
|
| LIEL | Liatris elegans (Walt.) Michx. | pinkscale blazing star | Asteraceae
|
| LIFA | Liatris �fallacior (Lunell) Rydb. (pro sp.) | | Asteraceae
|
| LIFR | Liatris �frostii Gaiser | | Asteraceae
|
| LIGA | Liatris garberi Gray | Garber's blazing star | Asteraceae
|
| LIGLA | Liatris glabrata Rydb. var. alabamensis (Alexander) Shinners | Liatris squarrosa var. alabamensis | Asteraceae
|
| LIGL4 | Liatris glabrata Rydb. | Liatris squarrosa var. glabrata | Asteraceae
|
| LIGL3 | Liatris �gladewitzii (Farw.) Farw. ex Shinners | | Asteraceae
|
| LIGR9 | Liatris gracilis Pursh | slender blazing star | Asteraceae
|
| LIGRD | Liatris graminifolia Willd. var. dubia (W. Bart.) Gray | Liatris spicata var. racemosa | Asteraceae
|
| LIGRE | Liatris graminifolia Willd. var. elegantula (Greene) K. Schum. | Liatris pilosa var. elegantula | Asteraceae
|
| LIGRL | Liatris graminifolia Willd. var. lasia Fern. & Grisc. | Liatris pilosa var. lasia | Asteraceae
|
| LIGRR | Liatris graminifolia Willd. var. racemosa (DC.) Venard | Liatris spicata var. racemosa | Asteraceae
|
| LIGRS | Liatris graminifolia Willd. var. smallii (Britt.) Fern. & Grisc. | Liatris virgata | Asteraceae
|
| LIGRV | Liatris graminifolia Willd. var. virgata (Nutt.) Fern. | Liatris virgata | Asteraceae
|
| LIGR10 | Liatris graminifolia Willd. | Liatris pilosa var. pilosa | Asteraceae
|
| LIHE2 | Liatris helleri Porter | Heller's blazing star | Asteraceae
|
| LIHI2 | Liatris hirsuta Rydb. | Liatris squarrosa var. hirsuta | Asteraceae
|
| LIKA2 | Liatris kansana Britt. | Liatris lancifolia | Asteraceae
|
| LILA5 | Liatris laevigata (Nutt.) Small | Liatris tenuifolia var. quadriflora | Asteraceae
|
| LILA | Liatris lancifolia (Greene) Kittell | lanceleaf blazing star | Asteraceae
|
| LILI | Liatris ligulistylis (A. Nels.) K. Schum. | Rocky Mountain blazing star | Asteraceae
|
| LIMI7 | Liatris microcephala (Small) K. Schum. | smallhead blazing star | Asteraceae
|
| LIMU | Liatris mucronata DC. | cusp blazing star | Asteraceae
|
| LINI | Liatris �nieuwlandii (Lunell) Gaiser | Liatris scariosa var. nieuwlandii | Asteraceae
|
| LINON | Liatris novae-angliae (Lunell) Shinners var. nieuwlandii (Lunell) Shinners | Liatris scariosa var. nieuwlandii | Asteraceae
|
| LINO3 | Liatris novae-angliae (Lunell) Shinners | Liatris scariosa var. novae-angliae | Asteraceae
|
| LIOH | Liatris ohlingerae (Blake) B.L. Robins. | Florida blazing star | Asteraceae
|
| LIPA8 | Liatris pauciflora Pursh | fewflower blazing star | Asteraceae
|
| LIPIE | Liatris pilosa (Ait.) Willd. var. elegantula (Greene) Kartesz, comb. nov. ined. | shaggy blazing star | Asteraceae
|
| LIPIL | Liatris pilosa (Ait.) Willd. var. lasia (Fern. & Grisc.) Kartesz, comb. nov. ined. | shaggy blazing star | Asteraceae
|
| LIPIP | Liatris pilosa (Ait.) Willd. var. pilosa | shaggy blazing star | Asteraceae
|
| LIPI7 | Liatris pilosa (Ait.) Willd. | shaggy blazing star | Asteraceae
|
| LIPR3 | Liatris provincialis Godfrey | Godfrey's blazing star | Asteraceae
|
| LIPUM | Liatris punctata Hook. var. mexicana Gaiser | Mexican blazing star | Asteraceae
|
| LIPUN | Liatris punctata Hook. var. nebraskana Gaiser | Nebraska blazing star | Asteraceae
|
| LIPUP | Liatris punctata Hook. var. punctata | dotted blazing star | Asteraceae
|
| LIPUT | Liatris punctata Hook. var. typica Gaiser | Liatris punctata var. punctata | Asteraceae
|
| LIPU | Liatris punctata Hook. | dotted blazing star | Asteraceae
|
| LIPYL | Liatris pycnostachya Michx. var. lasiophylla Shinners | prairie blazing star | Asteraceae
|
| LIPYP | Liatris pycnostachya Michx. var. pycnostachya | prairie blazing star | Asteraceae
|
| LIPY | Liatris pycnostachya Michx. | prairie blazing star | Asteraceae
|
| LIRE10 | Liatris regimontis (Small) K. Schum. as to type | Liatris virgata | Asteraceae
|
| LIRE11 | Liatris regimontis auct. non (Small) K. Schum. | Liatris cokeri | Asteraceae
|
| LIRI2 | Liatris �ridgwayi Standl. | | Asteraceae
|
| LISC | Liatris scabra (Greene) K. Schum. | Liatris squarrulosa | Asteraceae
|
| LISCN | Liatris scariosa (L.) Willd. var. nieuwlandii (Lunell) E.G. Voss | Nieuwland's blazing star | Asteraceae
|
| LISCN2 | Liatris scariosa (L.) Willd. var. novae-angliae Lunell | New England blazing star | Asteraceae
|
| LISCS3 | Liatris scariosa (L.) Willd. var. scariosa | devil's bite | Asteraceae
|
| LISCS | Liatris scariosa (L.) Willd. var. squarrulosa (Michx.) Gray | Liatris squarrulosa | Asteraceae
|
| LISCV | Liatris scariosa (L.) Willd. var. virginiana (Lunell) Gaiser | Virginia blazing star | Asteraceae
|
| LISC2 | Liatris scariosa (L.) Willd. | devil's bite | Asteraceae
|
| LISE4 | Liatris secunda Ell. | piedmont blazing star | Asteraceae
|
| LISP4 | Liatris spheroidea Michx. | spherical blazing star | Asteraceae
|
| LISPR2 | Liatris spicata (L.) Willd. var. racemosa DC. | dense blazing star | Asteraceae
|
| LISPR | Liatris spicata (L.) Willd. var. resinosa (Nutt.) Gaiser | dense blazing star | Asteraceae
|
| LISPS | Liatris spicata (L.) Willd. var. spicata | dense blazing star | Asteraceae
|
| LISP | Liatris spicata (L.) Willd. | dense blazing star | Asteraceae
|
| LISQA | Liatris squarrosa (L.) Michx. var. alabamensis (Alexander) Gaiser | Alabama blazing star | Asteraceae
|
| LISQC | Liatris squarrosa (L.) Michx. var. compacta Torr. & Gray | scaly blazing star | Asteraceae
|
| LISQG | Liatris squarrosa (L.) Michx. var. glabrata (Rydb.) Gaiser | scaly blazing star | Asteraceae
|
| LISQG2 | Liatris squarrosa (L.) Michx. var. gracilenta Gaiser | Liatris squarrosa var. squarrosa | Asteraceae
|
| LISQH | Liatris squarrosa (L.) Michx. var. hirsuta (Rydb.) Gaiser | scaly blazing star | Asteraceae
|
| LISQS | Liatris squarrosa (L.) Michx. var. squarrosa | scaly blazing star | Asteraceae
|