Plants — 23,508 Species

Catchfly grass

Leersia lenticularis Michx.

rice cutgrass

Leersia oryzoides (L.) Sw.

Leersia oryzoides, rice cutgrass, is a widespread rhizomatous perennial grass sometimes used for erosion control and wetland restoration.

white grass

Leersia virginica Willd.

Leersia virginica (whitegrass) is a perennial grass native to eastern North America, distinguishable from rice cutgrass by multiple morphological traits.

Common Venus'-looking-glass

Legousia speculum-veneris (L.) Chaix

Legousia speculum-veneris is a flowering plant distinguished from related species by its long narrow calyx arms.

Common Milk Vine

Leichhardtia rostrata (R.Br.) P.I.Forst.

Leichhardtia rostrata is a woody vine native to eastern Australia and Lord Howe Island that produces milky sap when damaged.

Micheli's Least Pouncewort

Lejeunea cavifolia (Ehrh.) Lindb.

Lejeunea cavifolia is a liverwort species in the family Lejeuneaceae, with Jungermannia cavifolia Ehrh. as a synonym.

lesser duckweed

Lemna aequinoctialis Welw.

Lemna aequinoctialis, the lesser duckweed, is a tiny floating North American aquatic plant popular in the aquarium hobby, often invasive outside its native range.

Common Duckweed

Lemna minor L.

Lemna minor L. is a common floating freshwater duckweed with subcosmopolitan distribution and specific cultivation requirements.

Ivy-leaved Duckweed

Lemna trisulca L.

Lemna trisulca L. is a submerged duckweed with distinct frond traits, widely distributed across cool-temperate regions worldwide.

turion duckweed

Lemna turionifera Landolt

Lemna turionifera is a floating freshwater duckweed that can produce dormant turions, native to Northern hemisphere regions.

Common Lionspaw

Leonotis leonurus (L.) R.Br.

Leonotis leonurus, also called lion's ear, is a shrub native to southern Africa, grown ornamentally and used in traditional medicine.

lion's ear

Leonotis nepetifolia (L.) R.Br.

Leonotis nepetifolia is a Lamiaceae plant with colorful lipped flowers, used in traditional medicine, native to Africa and South Asia.

Rock Lionspaw

Leonotis ocymifolia (Burm.f.) Iwarsson

Leonotis ocymifolia (minaret flower) is a drought-tolerant Lamiaceae flowering plant native to Eastern Africa.

Rough Hawkbit

Leontodon hispidus L.

Leontodon hispidus (bristly/rough hawkbit) is a European perennial that ranks high in meadow nectar productivity.

Edelweiss

Leontopodium nivale (Ten.) A.Huet ex Hand.-Mazz.

Leontopodium nivale, the alpine edelweiss, is a woolly alpine plant famous for its long cultural symbolic role in Europe.

common motherwort

Leonurus cardiaca L.

Leonurus cardiaca L. (motherwort) is an invasive perennial herb native to SE Europe and central Asia.

Chinese motherwort

Leonurus japonicus Houtt.

Leonurus japonicus Houtt. is a flowering plant and a fundamental traditional Chinese medicine herb.

five-bladed motherwort

Leonurus quinquelobatus Gilib.

Leonurus quinquelobatus Gilib. is a herbaceous flowering plant native to Eurasia.

California Pitcher Sage

Lepechinia calycina (Benth.) Epling

Lepechinia calycina is an aromatic California shrub, with leaf extract historically used by Miwok to treat fever and headache.

Gander's pitcher sage

Lepechinia ganderi Epling

Lepechinia ganderi is a short aromatic near-endemic shrub native to the California-Baja California border area, pollinated by bees and hummingbirds.

African Pepperwort

Lepidium africanum (Burm.f.) DC.

Lepidium africanum is an annual/perennial flowering plant in Brassicaceae found from Saudi Arabia/Sudan to southern Africa.

field peppergrass

Lepidium campestre (L.) W.T.Aiton

Lepidium campestre is an edible invasive mustard-family plant native to Europe, commonly found now in North America.

Common Peppergrass

Lepidium densiflorum Schrad.

Lepidium densiflorum Schrad. is a common Ontario weed with known uses in mosquito control and bioactive compounds.

Lesser swine-cress

Lepidium didymum L.

Lepidium didymum is an annual/biennial herb with edible leaves, now naturalized globally as a cultivation weed.