| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| LYCOC | Lyrocarpa coulteri Hook. & Harvey ex Harvey var. coulteri | Coulter's lyrepod | Brassicaceae
|
| LYCOP5 | Lyrocarpa coulteri Hook. & Harvey ex Harvey var. palmeri (S. Wats.) Rollins | Palmer's lyrepod | Brassicaceae
|
| LYCOT | Lyrocarpa coulteri Hook. & Harvey ex Harvey var. typica Rollins | Lyrocarpa coulteri var. coulteri | Brassicaceae
|
| LYCO4 | Lyrocarpa coulteri Hook. & Harvey ex Harvey | Coulter's lyrepod | Brassicaceae
|
| LYROC | Lyrocarpa Hook. & Harvey ex Harvey | lyrepod | Brassicaceae
|
| LYHO | Lysias hookeriana (Torr. ex Gray) Rydb. | Platanthera hookeri | Orchidaceae
|
| LYOR | Lysias orbiculata (Pursh) Rydb. | Platanthera orbiculata | Orchidaceae
|
| LYAM3 | Lysichiton americanus Hult�n & St. John | American skunkcabbage | Araceae
|
| LYCA6 | Lysichiton camtschatcensis auct. non (L.) Schott | Lysichiton americanus | Araceae
|
| LYSIC | Lysichiton Schott | skunkcabbage | Araceae
|
| LYOB2 | Lysiella obtusata (Banks ex Pursh) Rydb. | Platanthera obtusata | Orchidaceae
|
| LYAM4 | Lysiloma ambiguum Urban | Acacia vogeliana | Fabaceae
|
| LYBA5 | Lysiloma bahamense Benth. | Lysiloma latisiliquum | Fabaceae
|
| LYLA3 | Lysiloma latisiliquum (L.) Benth. | false tamarind | Fabaceae
|
| LYMIT | Lysiloma microphyllum Benth. var. thornberi (Britt. & Rose) Isely | Lysiloma watsonii | Fabaceae
|
| LYSA5 | Lysiloma sabicu Benth. | horseflesh mahogany | Fabaceae
|
| LYTH3 | Lysiloma thornberi Britt. & Rose | Lysiloma watsonii | Fabaceae
|
| LYWA | Lysiloma watsonii Rose | littleleaf false tamarind | Fabaceae
|
| LYSIL | Lysiloma Benth. | false tamarind | Fabaceae
|
| LYAN5 | Lysimachia angusta H. St.John | loosestrife | Primulaceae
|
| LYAS2 | Lysimachia asperulifolia Poir. | roughleaf yellow loosestrife | Primulaceae
|
| LYBA3 | Lysimachia barystachys Bunge | Manchurian yellow loosestrife | Primulaceae
|
| LYCIV | Lysimachia ciliata L. var. validula (Greene ex Woot. & Standl.) Kearney & Peebles | Lysimachia hybrida | Primulaceae
|
| LYCI | Lysimachia ciliata L. | fringed loosestrife | Primulaceae
|
| LYCL2 | Lysimachia clethroides Duby | gooseneck yellow loosestrife | Primulaceae
|
| LYCO6 | Lysimachia �commixta Fern. | | Primulaceae
|
| LYDA | Lysimachia daphnoides (Gray) Hbd. | lehua makanoe | Primulaceae
|
| LYFI2 | Lysimachia filifolia Forbes | Wailua River yellow loosestrife | Primulaceae
|
| LYFO | Lysimachia forbesii Rock | Castle Trail yellow loosestrife | Primulaceae
|
| LYFR2 | Lysimachia fraseri Duby | Fraser's yellow loosestrife | Primulaceae
|
| LYGL | Lysimachia glutinosa Rock | Kokee yellow loosestrife | Primulaceae
|
| LYGR2 | Lysimachia graminea (Greene) Hand.-Maz. | grassleaf yellow loosestrife | Primulaceae
|
| LYHIA | Lysimachia hillebrandii Hook. f. ex Gray var. angustifolia Gray | Lysimachia remyi | Primulaceae
|
| LYHIH | Lysimachia hillebrandii Hook. f. ex Gray var. helleri R. Knuth | Lysimachia kalalauensis | Primulaceae
|
| LYHIM | Lysimachia hillebrandii Hook. f. ex Gray var. maxima R. Knuth | Lysimachia maxima | Primulaceae
|
| LYHIS | Lysimachia hillebrandii Hook. f. ex Gray var. subherbacea Hbd. | Lysimachia remyi | Primulaceae
|
| LYHIV | Lysimachia hillebrandii Hook. f. ex Gray var. venosa Wawra | Lysimachia venosa | Primulaceae
|
| LYHI | Lysimachia hillebrandii Hook. f. ex Gray | puahekili | Primulaceae
|
| LYHY | Lysimachia hybrida Michx. | lowland yellow loosestrife | Primulaceae
|
| LYJA2 | Lysimachia japonica Thunb. | Japanese yellow loosestrife | Primulaceae
|
| LYKA | Lysimachia kalalauensis Skottsberg | Kauai yellow loosestrife | Primulaceae
|
| LYKI2 | Lysimachia kipahuluensis St. John | Lysimachia remyi | Primulaceae
|
| LYLAH | Lysimachia lanceolata Walt. ssp. hybrida (Michx.) J.D. Ray | Lysimachia hybrida | Primulaceae
|
| LYLAA | Lysimachia lanceolata Walt. var. angustifolia (Lam.) Gray | Lysimachia lanceolata | Primulaceae
|
| LYLAH2 | Lysimachia lanceolata Walt. var. hybrida (Michx.) Gray | Lysimachia hybrida | Primulaceae
|
| LYLA | Lysimachia lanceolata Walt. | lanceleaf loosestrife | Primulaceae
|
| LYLO3 | Lysimachia longifolia Pursh | Lysimachia quadriflora | Primulaceae
|
| LYLO | Lysimachia loomisii Torr. | Loomis' yellow loosestrife | Primulaceae
|
| LYLY | Lysimachia lydgatei Hbd. | Maui yellow loosestrife | Primulaceae
|
| LYMA4 | Lysimachia mauritiana Lam. | spoonleaf yellow loosestrife | Primulaceae
|
| LYMA5 | Lysimachia maxima (R. Knuth) St. John | Pelekunu Trail yellow loosestrife | Primulaceae
|
| LYMO | Lysimachia monnieri L. | Bacopa monnieri | Scrophulariaceae
|
| LYNU | Lysimachia nummularia L. | creeping jenny | Primulaceae
|
| LYOV2 | Lysimachia ovata (Heller) St. John | Lysimachia hillebrandii | Primulaceae
|
| LYPR | Lysimachia �producta (Gray) Fern. (pro sp.) | | Primulaceae
|
| LYPUV | Lysimachia punctata L. var. verticillata (Bieb.) Klatt | Lysimachia punctata | Primulaceae
|
| LYPU2 | Lysimachia punctata L. | large yellow loosestrife | Primulaceae
|
| LYQU | Lysimachia quadriflora Sims | fourflower yellow loosestrife | Primulaceae
|
| LYQU2 | Lysimachia quadrifolia L. | whorled yellow loosestrife | Primulaceae
|
| LYRA4 | Lysimachia �radfordii Ahles | | Primulaceae
|
| LYRA3 | Lysimachia radicans Hook. | trailing yellow loosestrife | Primulaceae
|
| LYRE2 | Lysimachia remyi Hbd. | rockface yellow loosestrife | Primulaceae
|
| LYTE6 | Lysimachia ternifolia St. John | threeleaf yellow loosestrife | Primulaceae
|
| LYTEO | Lysimachia terrestris (L.) B.S.P. var. ovata (Rand & Redf.) Fern. | Lysimachia terrestris | Primulaceae
|
| LYTE2 | Lysimachia terrestris (L.) B.S.P. | earth loosestrife | Primulaceae
|
| LYTH2 | Lysimachia thyrsiflora L. | tufted loosestrife | Primulaceae
|
| LYTOS | Lysimachia tonsa (Wood) Wood ex Pax & R. Knuth var. simplex (Kearney) R. Knuth ex Engl. | Lysimachia tonsa | Primulaceae
|
| LYTO2 | Lysimachia tonsa (Wood) Wood ex Pax & R. Knuth | southern yellow loosestrife | Primulaceae
|
| LYVE6 | Lysimachia venosa (Wawra) St. John | veined yellow loosestrife | Primulaceae
|
| LYVE8 | Lysimachia verticillata Bieb. | loosestrife | Primulaceae
|
| LYVU | Lysimachia vulgaris L. | garden yellow loosestrife | Primulaceae
|
| LYSIM | Lysimachia L. | yellow loosestrife | Primulaceae
|
| LYAD2 | Lythrum adsurgens Greene | Lythrum hyssopifolia | Lythraceae
|
| LYALA4 | Lythrum alatum Pursh var. alatum | winged lythrum | Lythraceae
|
| LYALL | Lythrum alatum Pursh var. lanceolatum (Ell.) Torr. & Gray ex Rothrock | winged lythrum | Lythraceae
|
| LYAL4 | Lythrum alatum Pursh | winged lythrum | Lythraceae
|
| LYCA4 | Lythrum californicum Torr. & Gray | California loosestrife | Lythraceae
|
| LYCU2 | Lythrum curtissii Fern. | Curtiss' loosestrife | Lythraceae
|
| LYDA2 | Lythrum dacotanum Nieuwl. | Lythrum alatum var. alatum | Lythraceae
|
| LYFL4 | Lythrum flagellare Shuttlw. ex Chapman | Florida loosestrife | Lythraceae
|
| LYHY2 | Lythrum hyssopifolia L. | hyssop loosestrife | Lythraceae
|
| LYLA6 | Lythrum lanceolatum Ell. | Lythrum alatum var. lanceolatum | Lythraceae
|
| LYLI2 | Lythrum lineare L. | wand lythrum | Lythraceae
|
| LYMA3 | Lythrum maritimum Kunth | pukamole | Lythraceae
|
| LYOV | Lythrum ovalifolium Koehne | low loosestrife | Lythraceae
|
| LYPO4 | Lythrum portula (L.) D.A. Webber | spatulaleaf loosestrife | Lythraceae
|
| LYSAG | Lythrum salicaria L. var. gracilior Turcz. | Lythrum salicaria | Lythraceae
|
| LYSAT | Lythrum salicaria L. var. tomentosum (P. Mill.) DC. | Lythrum salicaria | Lythraceae
|
| LYSAV | Lythrum salicaria L. var. vulgare DC. | Lythrum salicaria | Lythraceae
|
| LYSA2 | Lythrum salicaria L. | purple loosestrife | Lythraceae
|
| LYTH5 | Lythrum thymifolia L. | thymeleaf loosestrife | Lythraceae
|
| LYTR2 | Lythrum tribracteatum Salzm. ex Spreng. | threebract loosestrife | Lythraceae
|
| LYVI3 | Lythrum virgatum L. | European wand loosestrife | Lythraceae
|
| LYVU2 | Lythrum vulneraria auct. non Ait. | Lythrum flagellare | Lythraceae
|
| LYTHR | Lythrum L. | loosestrife | Lythraceae
|
| MAAM9 | Maackia amurensis Rupr. & Maxim. | Amur maackia | Fabaceae
|
| MAACK | Maackia Rupr. | maackia | Fabaceae
|
| MASI9 | Maba sintenisii Krug & Urban | Diospyros sintenisii | Ebenaceae
|
| MAAC3 | Mabrya acerifolia (Pennell) Elisens | brittlestem | Scrophulariaceae
|
| MABRY | Mabrya Elisens | mabrya | Scrophulariaceae
|
| MAIN8 | Macadamia integrifolia Maiden & Betche | macadamia nut | Proteaceae
|