- Photo: Narcissus 1.
- Photo: Narcissus cyclamineus 1.
- Photo: Narcissus cyclamineus 2.
- Photo: Narcissus cyclamineus.
- Photo: Narcissus.
- Photo: Nasturtium officinale 1.
- Photo: Nasturtium officinale 4.
- Photo: Nasturtium officinale.
- Photo: Nelumbo nucifera 1.
- Photo: Nelumbo nucifera 2.
- Photo: Nelumbo nucifera 3.
- Photo: Nelumbo nucifera 4.
- Photo: Nelumbo nucifera 5.
- Photo: Nelumbo nucifera 6.
- Photo: Nelumbo nucifera 7.
- Photo: Nelumbo nucifera.
- Photo: Nemophila maculata 1.
- Photo: Nemophila maculata.
- Photo: Nemophila menziesii 1.
- Photo: Nemophila menziesii 2.
- Photo: Nemophila menziesii 3.
- Photo: Nemophila menziesii.
- Photo: Neogarrhenium filipes 1.
- Photo: Neogarrhenium filipes.
- Photo: Neomarica northiana.
- Photo: Neoregelia 1.
- Photo: Neoregelia.
- Photo: Neottia nidus avis 1.
- Photo: Neottia nidus avis.
- Photo: Nepeta camphorata 1.
- Photo: Nepeta camphorata.
- Photo: Nepeta cataria 1.
- Photo: Nepeta cataria 2.
- Photo: Nepeta cataria 3.
- Photo: Nepeta cataria 4.
- Photo: Nepeta cataria 5.
- Photo: Nepeta cataria 6.
- Photo: Nepeta cataria.
- Photo: Nepeta grandiflora 1.
- Photo: Nepeta grandiflora 2.
- Photo: Nepeta grandiflora 3.
- Photo: Nepeta grandiflora 4.
- Photo: Nepeta grandiflora 5.
- Photo: Nepeta grandiflora.
- Photo: Nepeta sibirica.
- Photo: Nepeta subsessilis 1.
- Photo: Nepeta subsessilis 2.
- Photo: Nepeta subsessilis 3.
- Photo: Nepeta subsessilis 4.
- Photo: Nepeta subsessilis 5.
- Photo: Nepeta subsessilis 6.
- Photo: Nepeta subsessilis.
- Photo: Nepeta x faassenii 1.
- Photo: Nepeta x faassenii 2.
- Photo: Nepeta x faassenii 3.
- Photo: Nepeta x faassenii 4.
- Photo: Nepeta x faassenii.
- Photo: Neptunia plena 1.
- Photo: Neptunia plena 2.
- Photo: Neptunia plena.
- Photo: Nerium oleander.
- Photo: Nicandra physalodes 1.
- Photo: Nicandra physalodes 2.
- Photo: Nicandra physalodes 3.
- Photo: Nicandra physalodes 4.
- Photo: Nicandra physalodes 5.
- Photo: Nicandra physalodes.
- Photo: Nicotiana glauca 1.
- Photo: Nicotiana glauca.
- Photo: Nicotiana obtusifolia 1.
- Photo: Nicotiana obtusifolia.
- Photo: Nicotiana rustica 1.
- Photo: Nicotiana rustica 2.
- Photo: Nicotiana rustica 3.
- Photo: Nicotiana rustica 4.
- Photo: Nicotiana rustica 5.
- Photo: Nicotiana rustica.
- Photo: Nicotiana sylvestris 1.
- Photo: Nicotiana sylvestris 2.
- Photo: Nicotiana sylvestris 3.
- Photo: Nicotiana sylvestris 4.
- Photo: Nicotiana sylvestris.
- Photo: Nicotiana tabacum 1.
- Photo: Nicotiana tabacum 10.
- Photo: Nicotiana tabacum 2.
- Photo: Nicotiana tabacum 3.
- Photo: Nicotiana tabacum 4.
- Photo: Nicotiana tabacum 5.
- Photo: Nicotiana tabacum 6.
- Photo: Nicotiana tabacum 7.
- Photo: Nicotiana tabacum 8.
- Photo: Nicotiana tabacum 9.
- Photo: Nicotiana tabacum.
- Photo: Nigella arvensis 1.
- Photo: Nigella arvensis 2.
- Photo: Nigella arvensis 3.
- Photo: Nigella arvensis.
- Photo: Nigella damascena 1.
- Photo: Nigella damascena 10.
- Photo: Nigella damascena 11.
- Photo: Nigella damascena 12.
- Photo: Nigella damascena 13.
- Photo: Nigella damascena 2.
- Photo: Nigella damascena 3.
- Photo: Nigella damascena 4.
- Photo: Nigella damascena 5.
- Photo: Nigella damascena 6.
- Photo: Nigella damascena 7.
- Photo: Nigella damascena 8.
- Photo: Nigella damascena 9.
- Photo: Nigella damascena.
- Photo: Nigella orientalis 1.
- Photo: Nigella orientalis 2.
- Photo: Nigella orientalis 3.
- Photo: Nigella orientalis 4.
- Photo: Nigella orientalis.
- Photo: Nigella sativa 1.
- Photo: Nigella sativa 2.
- Photo: Nigella sativa 3.
- Photo: Nigella sativa 5.
- Photo: Nigella sativa 6.
- Photo: Nigella sativa.
- Photo: Nolina microcarpa 1.
- Photo: Nolina microcarpa 2.
- Photo: Nolina microcarpa.
- Photo: Nonea lutea 1.
- Photo: Nonea lutea.
- Photo: Nothoscordum bivalve 1.
- Photo: Nothoscordum bivalve.
- Photo: Nuphar lutea 1.
- Photo: Nuphar lutea 2.
- Photo: Nuphar lutea 3.
- Photo: Nuphar lutea 4.
- Photo: Nuphar lutea 5.
- Photo: Nuphar lutea 6.
- Photo: Nuphar lutea 7.
- Photo: Nuphar lutea 8.
- Photo: Nuphar lutea.
- Photo: Nuttallanthus texanus 1.
- Photo: Nuttallanthus texanus.
- Photo: Nymphaea 1.
- Photo: Nymphaea alba 1.
- Photo: Nymphaea alba 2.
- Photo: Nymphaea alba 3.
- Photo: Nymphaea alba 4.
- Photo: Nymphaea alba 5.
- Photo: Nymphaea alba 6.
- Photo: Nymphaea alba 7.
- Photo: Nymphaea alba.
- Photo: Nymphaea caerulea 1.
- Photo: Nymphaea caerulea.
- Photo: Nymphaea colorata 1.
- Photo: Nymphaea colorata 2.
- Photo: Nymphaea colorata.
- Photo: Nymphaea gigantea 1.
- Photo: Nymphaea gigantea.
- Photo: Nymphaea lotus.
- Photo: Nymphaea rubra.
- Photo: Nymphaea.
N
The Ns.