Lamium amplexicaule L. (Synonym : Pollichia amplexicaulis (L.) Willd.)

Family : Lamiaceae

Lamium purpureum L. (Synonym : Lamium purpureum L. var. decipiens Sond. ex W.D.J.Koch)

Family : Lamiaceae [Naturalized plant]

Lamium purpureum L. var. hybridum (Vill.) Vill. (Synonym : Lamium dissectum With.)

Family : Lamiaceae [Naturalized plant]

Lamium takeshimense Nakai (Synonym : Lamium album L. var. takeshimense (Nakai) Kudô)

Family : Lamiaceae

Lamprocapnos spectabilis (L.) T.Fukuhara (Synonym : Dicentra spectabilis (L.) Lem.)

Family : Papaveraceae

Laportea bulbifera (Siebold & Zucc.) Wedd. (Synonym : Laportea terminalis Wight)

Family : Urticaceae

Laportea cuspidata (Wedd.) Friis (Synonym : Laportea macrostachya (Maxim.) Ohwi)

Family : Urticaceae

Lappula heteracantha (Ledeb.) Gürke (Synonym : Echinospermum heteracanthum Ledeb.)

Family : Boraginaceae

Lappula squarrosa (Retz.) Dumort. (Synonym : Myosotis squarrosa Retz.)

Family : Boraginaceae

Lapsana communis L. (Synonym : Lapsana glandulosa Freyn & Sint.)

Family : Asteraceae [Naturalized plant]