Genus : Limonium
- Descriptions and photographs of three species of Limonium.
- http://utopia.knoware.nl/users/aart/flora/Plumbaginaceae/Limonium/Limonium.html

Sea-lavender - Wikipedia
- An account of the genus Limonium.
- http://en.wikipedia.org/wiki/Sea_lavender

Leycesteria formosa
- A page from Wildchicken with a photograph and brief notes on cultivation and propagation.
- http://www.wildchicken.com/nature/garden/nature_200_029.htm

Lofty Liatris
- An article about the cultivation of Liatris from the Brooklyn Botanic Garden.
- http://www.bbg.org/gar2/topics/plants/2002su_liatris.html

Lobelia tupa
- A Royal Horticultural Society article describing a perennial Lobelia and its cultivation.
- http://www.rhs.org.uk/WhatsOn/gardens/rosemoor/archive/rosemoorpomaug.asp

Lysichiton americanus
- A Royal Horticultural Society article on the yellow skunk cabbage and its cultivation.
- http://www.rhs.org.uk/WhatsOn/gardens/harlowcarr/archive/harlowcarrpomapril.asp