Lactuca serriola L. (Synonym : Lactuca plicata Balb.)

Family : Asteraceae [Naturalized plant]

Lactuca sibirica (L.) Benth. ex Maxim. (Synonym : Sonchus sibiricus L.)

Family : Asteraceae

Lactuca triangulata Maxim. (Synonym : Pterocypsela triangulata (Maxim.) C.Shih)

Family : Asteraceae

Lagenaria leucantha var. gourda Makino

Family : Cucurbitaceae

Lagenaria siceraria (Molina) Standl. (Synonym : Cucurbita lagenaria L.)

Family : Cucurbitaceae

Lagerstroemia indica L. (Synonym : Lagerstroemia chinensis L.)

Family : Lythraceae

Lagerstroemia indica f. alba (W.A.Nicholson) Rehder (Synonym : Lagerstroemia indica var. alba W.A.Nicholson)

Family : Lythraceae

Lagopsis supina (Stephan) Ikonn.-Gal. ex Knorring (Synonym : Marrubium supinum (Steph. ex Willd.) Hu ex C.Pei)

Family : Lamiaceae

Lamium album L.

Family : Lamiaceae

Lamium album L. subsp. barbatum (Siebold & Zucc.) Mennema (Synonym : Lamium maculatum Maxim.)

Family : Lamiaceae