Labiatae, Family
– synoniem van Lamiaceae, Family
Laburnum, Genus
Lactuca, Genus
Lagarosiphon, Genus
Lagurus, Genus
Lamarckia, Genus
Lamiaceae, Family
Lamiales, Order
Lamiastrum, Genus
Lamium, Genus
Landoltia, Genus
Lappula, Genus
Lapsana, Genus
Larix, Genus
Lathraea, Genus
Lathyrus, Genus
Leersia, Genus
Legousia, Genus
Leguminosae, Family
– synoniem van Fabaceae, Family
Lemna, Genus
Lemnaceae, Family
– synoniem van Araceae, Family
Lens, Genus
Lentibulariaceae, Family
Leontodon, Genus
Leonurus, Genus
Lepidium, Genus
Leucanthemum, Genus
Leucojum, Genus
Levisticum, Genus
Leycesteria, Genus
Leymus, Genus
Ligustrum, Genus
Liliaceae, Family
Liliales, Order
Lilium, Genus
Limnanthaceae, Family
Limnanthes, Genus
Limonium, Genus
Limosella, Genus
Linaceae, Family
Linaria, Genus
Lindernia, Genus
Linderniaceae, Family
Linnaea, Genus
Linum, Genus
Liparis, Genus
Lithospermum, Genus
Littorella, Genus
Lobelia, Genus
Lobularia, Genus
Lolium, Genus
Lonicera, Genus
Lotus, Genus
Ludwigia, Genus
Lunaria, Genus
Lupinus, Genus
Luronium, Genus
Luzula, Genus
Lycium, Genus
Lycopodiaceae, Family
Lycopodiales, Order
Lycopodiella, Genus
Lycopodium, Genus
Lycopsida, Class
Lycopus, Genus
Lysichiton, Genus
Lysimachia, Genus
Lythraceae, Family
Lythrum, Genus