Lemon Beebalm 
Lemon-scented jasmine 
Lepidagathis cristata 
Lepidagathis cuspidata 
Lesser baby innocence 
Lesser bladderwort 
Lesser calamint 
Lesser Indian paintbrush 
Lesser Torenia 
Lesser yellow beardtongue 
Leucas inflata 
Ligustrum vulgare 
Limestone woundwort 
Linaria albifrons 
Linaria elegans 
Linaria genistifolia 
Linaria haelava 
Linaria micrantha 
Linaria polygalifolia ssp. polygalifolia 
Linaria reflexa 
Linaria simplex 
Linaria tenuis 
Linaria triornithophora 
Lindenbergia sinaica