| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| LOVI | Lonicera villosa (Michx.) J.A. Schultes | mountain fly honeysuckle | Caprifoliaceae
|
| LOXY2 | Lonicera �xylosteoides Tausch | fly honeysuckle | Caprifoliaceae
|
| LOXY | Lonicera xylosteum L. | dwarf honeysuckle | Caprifoliaceae
|
| LONIC | Lonicera L. | honeysuckle | Caprifoliaceae
|
| LOFL5 | Lopadiopsis floridana Zahlbr. | Asterothyrium rotuliforme | Thelotremataceae
|
| LOAL4 | Lopadium alpinum (Korber) R. Sant. | Schadonia alpina | Bacidiaceae
|
| LOAU3 | Lopadium augustini (Tuck.) Zahlbr. | Augustin granular lichen | Ectolechiaceae
|
| LOCO10 | Lopadium coralloideum (Nyl.) Lynge | coral granular lichen | Ectolechiaceae
|
| LODI3 | Lopadium disciforme (Flotow) Kullhem | disc granular lichen | Ectolechiaceae
|
| LODO7 | Lopadium dodgei Herre | Dodge's granular lichen | Ectolechiaceae
|
| LODO8 | Lopadium domingense (Pers.) Fink | Letrouitia domingensis | Letrouitiaceae
|
| LOFE3 | Lopadium fecundum Th. Fr. | Schadonia fecunda | Bacidiaceae
|
| LOFU3 | Lopadium fuscoluteum (Dickson) Mudd | Brigantiaea fuscolutea | Brigantiaceae
|
| LOFU2 | Lopadium fuscum Mull. Arg. | Calopadia fusca | Ectolechiaceae
|
| LOGE4 | Lopadium gemellum (Anzi) Stizenb. | Schadonia alpina | Bacidiaceae
|
| LOLE5 | Lopadium leucoxanthum (Sprengel) Zahlbr. | Brigantiaea leucoxantha | Brigantiaceae
|
| LOPE6 | Lopadium pezizoideum (Ach.) Korber | granular lichen | Ectolechiaceae
|
| LOPH | Lopadium phyllocharis (Mont.) Fink | Tapellaria epiphylla | Ectolechiaceae
|
| LOPU6 | Lopadium puiggarii (Mull. Arg.) Zahlbr. | Calopadia puiggarii | Ectolechiaceae
|
| LOVU | Lopadium vulpinum (Tuck.) Zahlbr. | Letrouitia vulpina | Letrouitiaceae
|
| LOPAD | Lopadium Korber | granular lichen | Ectolechiaceae
|
| LOVE3 | Lopezaria versicolor (Fee) Kalb & Hafellner | | Uncertain Lichen Family
|
| LOPEZ | Lopezaria Kalb & Hafellner | lopezaria | Uncertain Lichen Family
|
| LOPO2 | Lophidium poeppigianum (Sturm) Underwood ex Maxon | Schizaea poeppigiana | Schizaeaceae
|
| LOAM3 | Lophiola americana (Pursh) Wood | Lophiola aurea | Liliaceae
|
| LOAU | Lophiola aurea Ker-Gawl. | goldencrest | Liliaceae
|
| LOSE3 | Lophiola septentrionalis Fern. | Lophiola aurea | Liliaceae
|
| LOPHI | Lophiola Ker-Gawl. | lophiola | Liliaceae
|
| LOSC5 | Lophocereus schottii (Engelm.) Britt. & Rose | Pachycereus schottii | Cactaceae
|
| LOCAD4 | Lophochlaena californica Nees var. davyi (L. Benson) A.& D. L�ve | Pleuropogon californicus var. davyi | Poaceae
|
| LOCA10 | Lophochlaena californica Nees | Pleuropogon californicus var. californicus | Poaceae
|
| LOOR4 | Lophochlaena oregona (Chase) P.H. But | Pleuropogon oregonus | Poaceae
|
| LOREH2 | Lophochlaena refracta Gray var. hooverianus (L. Benson) A.& D. L�ve | Pleuropogon hooverianus | Poaceae
|
| LORE6 | Lophochlaena refracta Gray | Pleuropogon refractus | Poaceae
|
| LOCR2 | Lophochloa cristata (L.) Hyl. | Rostraria cristata | Poaceae
|
| LOAP2 | Lophocolea apalachicola R. M. Schust. | | Geocalycaceae
|
| LOAP3 | Lophocolea appalachiana R. M. Schust. | | Geocalycaceae
|
| LOBI4 | Lophocolea bidentata (L.) Dumort. | | Geocalycaceae
|
| LOHEC | Lophocolea heterophylla (Schrad.) Dumort. ssp. cladogyna R. M. Schust. | | Geocalycaceae
|
| LOHEH2 | Lophocolea heterophylla (Schrad.) Dumort. ssp. heterophylla | | Geocalycaceae
|
| LOHE9 | Lophocolea heterophylla (Schrad.) Dumort. | | Geocalycaceae
|
| LOMA14 | Lophocolea martiana Nees | | Geocalycaceae
|
| LOMI7 | Lophocolea minor Nees | | Geocalycaceae
|
| LOMU5 | Lophocolea muricata (Lehm.) Nees | | Geocalycaceae
|
| LOPHO7 | Lophocolea (Dumort.) Dumort. | | Geocalycaceae
|
| LOMUF | Lopholejeunea muelleriana (Gottsche) Schiffn. ssp. floridana R. M. Schust. | | Lejeuneaceae
|
| LOMU6 | Lopholejeunea muelleriana (Gottsche) Schiffn. | | Lejeuneaceae
|
| LOSU7 | Lopholejeunea subfusca (Nees) Schiffn. | | Lejeuneaceae
|
| LOPHO8 | Lopholejeunea (Spruce) Schiffn. nom. cons. | | Lejeuneaceae
|
| LOWIE | Lophophora williamsii (Lem. ex Salm-Dyck) Coult. var. echinata (Croizat) H. Bravo | Lophophora williamsii | Cactaceae
|
| LOWI | Lophophora williamsii (Lem. ex Salm-Dyck) Coult. | peyote | Cactaceae
|
| LOPHO2 | Lophophora Coult. | lophophora | Cactaceae
|
| LOEL2 | Lophopyrum elongatum (Host) A. L�ve | Thinopyrum ponticum | Poaceae
|
| LOMA13 | Lophopyxis maingayi Hook. f. | | Celastraceae
|
| LOPHO10 | Lophopyxis Hook. | | Celastraceae
|
| LOQU | Lophosoria quadripinnata (Gmel.) C. Christens. | diamondleaf fern | Lophosoriaceae
|
| LOPHO3 | Lophosoria K. Presl | lophosoria | Lophosoriaceae
|
| LOER3 | Lophospermum erubescens D. Don | Mexican twist | Scrophulariaceae
|
| LOPHO6 | Lophospermum D. Don | lophospermum | Scrophulariaceae
|
| LOCO9 | Lophostemon confertus (R. Br.) P.G. Wilson & Waterhouse | vinegartree | Myrtaceae
|
| LOPHO4 | Lophostemon Schott | lophostemon | Myrtaceae
|
| LOCA11 | Lophotocarpus californicus J.G. Sm. | Sagittaria calycina var. calycina | Alismataceae
|
| LOCA12 | Lophotocarpus calycinus (Engelm.) J.G. Sm. | Sagittaria calycina var. calycina | Alismataceae
|
| LODE3 | Lophotocarpus depauperatus J.G. Sm. | Sagittaria calycina var. calycina | Alismataceae
|
| LOSP6 | Lophotocarpus spathulatus J.G. Sm. | Sagittaria calycina var. spongiosa | Alismataceae
|
| LOSP5 | Lophotocarpus spongiosus (Engelm.) J.G. Sm. | Sagittaria calycina var. spongiosa | Alismataceae
|
| LOAL7 | Lophozia alboviridis R. M. Schust. | | Jungermanniaceae
|
| LOAL8 | Lophozia alpestris (Schleich. ex Weber) A. Evans | | Jungermanniaceae
|
| LOAS3 | Lophozia ascendens (Warnst.) R. M. Schust. | | Jungermanniaceae
|
| LOBAA | Lophozia badensis (Gottsche ex Rabenh.) Schiffn. var. apiculata R. M. Schust. | | Jungermanniaceae
|
| LOBAB | Lophozia badensis (Gottsche ex Rabenh.) Schiffn. var. badensis | | Jungermanniaceae
|
| LOBA7 | Lophozia badensis (Gottsche ex Rabenh.) Schiffn. | | Jungermanniaceae
|
| LOBA6 | Lophozia bantriensis (Hook.) Steph. | | Jungermanniaceae
|
| LOBIB2 | Lophozia bicrenata (Schmidel ex Hoffm.) Dumort. var. bicrenata | | Jungermanniaceae
|
| LOBII | Lophozia bicrenata (Schmidel ex Hoffm.) Dumort. var. immersa R. M. Schust. & Damsh. | | Jungermanniaceae
|
| LOBI5 | Lophozia bicrenata (Schmidel ex Hoffm.) Dumort. | | Jungermanniaceae
|
| LOCA17 | Lophozia capitata (Hook.) Macoun | | Jungermanniaceae
|
| LOCO19 | Lophozia collaris (Nees) Dumort. | | Jungermanniaceae
|
| LODEC | Lophozia debiliformis R. M. Schust. & Damsh. var. concolor R. M. Schust. & Damsh. | | Jungermanniaceae
|
| LODED2 | Lophozia debiliformis R. M. Schust. & Damsh.. var. debiliformis | | Jungermanniaceae
|
| LODE7 | Lophozia debiliformis R. M. Schust. & Damsh.. | | Jungermanniaceae
|
| LODE6 | Lophozia decolorans (Limpr.) Steph. | | Jungermanniaceae
|
| LOEH | Lophozia ehrhartiana (Weber) Inoue & Steere | | Jungermanniaceae
|
| LOEL4 | Lophozia elongata Steph. | | Jungermanniaceae
|
| LOEXE | Lophozia excisa (Dicks.) Dumort. var. elegans R. M. Schust. | | Jungermanniaceae
|
| LOEXE2 | Lophozia excisa (Dicks.) Dumort. var. excisa | | Jungermanniaceae
|
| LOEXI | Lophozia excisa (Dicks.) Dumort. var. infuscata R. M. Schust. & Damsh. | | Jungermanniaceae
|
| LOEXS | Lophozia excisa (Dicks.) Dumort. var. succulenta R. M. Schust. & Damsh. | | Jungermanniaceae
|
| LOEX | Lophozia excisa (Dicks.) Dumort. | | Jungermanniaceae
|
| LOGIC | Lophozia gillmanii (Austin) R. M. Schust. var. ciliolata R. M. Schust. | | Jungermanniaceae
|
| LOGIG | Lophozia gillmanii (Austin) R. M. Schust. var. gillmanii | | Jungermanniaceae
|
| LOGI3 | Lophozia gillmanii (Austin) R. M. Schust. | | Jungermanniaceae
|
| LOGRG4 | Lophozia grandiretis (Lindb. ex Kaal.) Schiffn. var. grandiretis | | Jungermanniaceae
|
| LOGRP | Lophozia grandiretis (Lindb. ex Kaal.) Schiffn. var. parviretis R. M. Schust. | | Jungermanniaceae
|
| LOGR11 | Lophozia grandiretis (Lindb. ex Kaal.) Schiffn. | | Jungermanniaceae
|
| LOGR10 | Lophozia groenlandica (Nees) Macoun | | Jungermanniaceae
|
| LOGU2 | Lophozia guttulata (Lindb. & Arnell) A. Evans | | Jungermanniaceae
|
| LOHEA | Lophozia heterocolpos (Thed. ex Hartm.) M. Howe var. arctica R. M. Schust. & Damsh. | | Jungermanniaceae
|
| LOHEH3 | Lophozia heterocolpos (Thed. ex Hartm.) M. Howe var. harpanthoides (Bryhn & Kaal.) R. M. Schust. | | Jungermanniaceae
|
| LOHEH4 | Lophozia heterocolpos (Thed. ex Hartm.) M. Howe var. heterocolpos | | Jungermanniaceae
|
| LOHE10 | Lophozia heterocolpos (Thed. ex Hartm.) M. Howe | | Jungermanniaceae
|