Narcissus pseudonarcissus
Narcissus x cyclazetta
Head-to-head Daffodil
Narthecium ossifragum
Bog Asphodel
Neoregelia carolinae
Blushing Bromeliad
Neottia cordata
Lesser Twayblade
Neottia nidus-avis
Bird's-nest Orchid
Neottia ovata
Common Twayblade
Nephrolepis biserrata
Giant Swordfern
Nephrolepis brownii
Asian Sword-fern
Nephrolepis cordifolia
Fishbone Fern
Nerium oleander
Oleander
Neustanthus phaseoloides
Tropical Kudzu
Nuphar lutea
Yellow Water-lily
Nypta fruticans
Nipa Palm
Ochna serrulata
Small-leaved Plane
Ocimum americanum
American Basil
Ocinum americanum
American Basil
Odontosoria chinensis
Lace Fern
Oenanthe fistulosa
Tubular Water-dropwort
Oenanthe silaifolia
Narrow-leaved Water-dropwort
Ononis arvensis
Ononis repens
Common Restharrow
Ophioglossum vulgatum
Adder's-tongue
Ophiopogon jaburan
Giant Lilyturf