Listera smallii (Appalachian twayblade) 814 --

Listera sp. (twayblade) Orchidaceae (2+1z 3 1-2 3) Lithospermum arvense (corn gromwell) 399 -- whitish; nutlts brown, wrinkled; AE

Lithospermum canescens (hoary puccoon) 399 -- X; orng-yllw tubular, term; fine hairy stem/lvs grayish; AE

Lithospermum caroliniense (plains puccoon) 399 --

Lithospermum latifolium (American gromwell) 399 --

Lithospermum officinale (European puccoon) 399 -- whitish; nutlets white or pale brown; AE

Lithospermum sp. (puccoon) Boraginaceae ((5) (5) 5 1 hypo) -- Lobelia boykinii (Boykin's lobelia) Lobeliaceae (3over2 5 5 2) 467 -- lvs linear; cor blue w/ a white center; ponds & swamps coastal plain

Lobelia canbyi (Canby's lobelia) Lobeliaceae (3over2 5 5 2) 467 -- lvs linear; cor blue, lower lip bearded; coastal plain swamps

Lobelia cardinalis (cardinal flower lobelia) Lobeliaceae (3over2 5 5 2) 469 -- cor fenestrate; fls red

Lobelia dortmanna (water lobelia) Lobeliaceae (3over2 5 5 2) 468 -- aquatic; BE narrow, hollow in rosette; cor pale blue or wh; sandy pond shores

Lobelia inflata (Indian tobacco lobelia) Lobeliaceae (3over2 5 5 2) 467 -- lt blue; calyx inflated in fr; AT; hairy stem

Lobelia kalmii (Kalm's lobelia) Lobeliaceae (3over2 5 5 2) 467 -- lvs linear; pedicels bracteolate at or above the middle; calcareous

Lobelia nuttallii (Nuttall's lobelia) Lobeliaceae (3over2 5 5 2) 467 -- lvs linear; pedicels bracteolate at the base; sandy swamps on coastal plain

Lobelia siphilitica (great blue lobelia) Lobeliaceae (3over2 5 5 2) 469 -- cor fenestrate; lvs sessile or nearly so, ovate-oblong to oblong-obovate

Lobelia spicata (spiked lobelia) Lobeliaceae (3over2 5 5 2) 466 -- blue, 1" long; AT 2-4" long, ptd, lvs obovate to oblance or lance

Lobularia maritima (sweet alyssum) Brassicaceae (4 4 4+2 1) 168

Lolium spp. (rye grass) Poaceae 698 -- side to stem

Lolium perenne (perennial rye) Poaceae 698 -- florets 5-10; stems smooth except margins; lvs 2-5mm wide

Lolium perenne v. aristatum (Italian rye grass) Poaceae 698 -- florets 11-22; stems rough blw spike; lvs to 8mm wide

Lolium temulentum Poaceae 698 --

Lonicera caerulea (waterberry honeysuckle) 478 -- fls yellow

Lonicera canadensis (fly honeysuckle) 478 -- fls yellow

Lonicera caprifolium (goat leaf honeysuckle) 480 -- fls wh or yllwish; tube smtimes prplsh; lvs perfoliate

Lonicera dioica (wild honeysuckle) 480 -- perfoliate lvs at top

Lonicera hirsuta (hairy honeysuckle) 480 -- fls yellow to orange; twining shrub

Lonicera japonica (Japanese honeysuckle) 479 -- fls white or cream

Lonicera maackii (honeysuckle) 479 -- fls wh turning yllw; lvs pubscnt at least veins; pedncls very short

Lonicera morrowii (morrow's honeysuckle) 479 -- fls white turning yellow; lvs softly pubescent beneath

Lonicera oblongifolia (swamp fly honeysuckle) 479 -- yellowish, long fl stalks; OE oblong

Lonicera periclymenum (woodbine honeysuckle) 479 -- fls yellow

Lonicera sempervirens (trumpet honeysuckle) 480 -- fls red; perfoliate lvs at top

Lonicera sp. (honeysuckle) Caprifoliaceae ((5) 5 5 1 half to wholly inf)

Lonicera tartarica (tartar's honeysuckle) 478 -- fls white to pink

Lonicera x bella (honeysuckle) 478 -- fls pink fading yellow; lvs slight hairy beneath

Lonicera xylosteum (European fly honeysuckle) 479 -- whitish or yellowish; OE broad-oval Lophiola aurea (gold crest) Haemodoraceae (6 t 6 3) 781 -- Lotus corniculatus (birdfoot trefoil) Fabaceae (5 5 10 1 perf or unisex; peri) 268 --

Lotus tenuis Fabaceae (5 5 10 1 perf or unisex; peri) 268 -- us. in arid regions Ludwigia alternifolia (seed box water purslane) Onagraceae (4 4 4 1 epi) 295 --

Ludwigia brevipes (coastal plain water purslane) Onagraceae (4 4 4 1 epi) 294 --

Ludwigia leptocarpa (water willow) Onagraceae (4 4 8or10 1 epi) 294 -- 5 5 10 1;

Ludwigia palustris (common water purslane) Onagraceae (4 4 4 1 epi) 296 -- green, very small, stalkless in axils; OE small egg or oval; wet pls.

Ludwigia sphaerocarpa (round pod water purslane) Onagraceae (4 4 4 1 epi) 296 --

Ludwigia uruguayensis (showy water primrose) Onagraceae (4 4 8or10 1 epi) 294 -- Lunaria annua (honesty) Brassicaceae (4 4 4+2 1) 168

Lunaria rediviva (perrenial honesty) Brassicaceae (4 4 4+2 1) 168 -- Lupinus perennis (lupine) Fabaceae (5 5 10 1 perf or unisex; peri) 260 -- blue; AD/AE palmate 7-11 lflts Luzula acuminata (sharp-leaved wood rush) 630 --

Luzula bulbosa (bulbous wood rush) 630 --

Luzula campestris (field wood rush) 630 -- disturbed habitats

Luzula echinata (spiny wood rush) 630 --

Luzula luzuloides (wood rush) 631 --

Luzula multiflora (multiflora wood rush) 630 -- the one we us. find blooming in early spring

Luzula parviflora (few-flowered wood rush) 630 --

Luzula sp. (wood rush) Juncaceae -- Lychnis chalcedonica (scarlet lychnis) 108 -- scarlet, short-stalked, pet deeply cleft; OE egg/broad lance; stem hairy

Lychnis coronaria (mullein pink) 107

Lychnis flos-cuculi (ragged robin) 107

Lychnis sp. (lychnis) Caryophyllaceae (5 (5) 10 5) --

Lychnis viscaria (German catchfly) 107 --

Lycium barbarum (matrimony vine) Solanaceae ((5) (5) 5 2 hypo) 381 --

Lycopodium alopecuroides (foxtail clubmoss) 001 -- bogs & moist banks in acid soil

29