Nelumbo caspicum Nelumbo lutea
Nelumbo nucifera Nelumbo nucifera 'Alba'
Nelumbo nucifera 'Asiatic White' Nelumbo nucifera 'Baby Doll'
Nelumbo nucifera 'Ben Gibson' Nelumbo nucifera 'Charles Thomas'
Nelumbo nucifera 'Chawan Basu' Nelumbo nucifera 'Empress'
Nelumbo nucifera 'Gulang Red' Nelumbo nucifera 'Hong Chow Bowl'
Nelumbo nucifera 'Maggie Belle Slocum' Nelumbo nucifera 'Momo Botan'
Nelumbo nucifera 'Mrs. Perry D. Slocum' Nelumbo nucifera 'Pekinensis Rubra'
Nelumbo nucifera 'Perry's Giant Sunburst' Nelumbo nucifera 'Red Baby'
Nelumbo nucifera 'Red Radiance' Nelumbo nucifera 'Rosea Plena'
Nelumbo nucifera 'Ruby Gardner' Nelumbo nucifera 'Shiroman'
Nelumbo nucifera 'Speciosum' Nelumbo nucifera 'The President'
Nelumbo nucifera 'Xiamen Bowl' Nemesia strumosa
Nemesia strumosa 'Carnival mix' Nemesia strumosa 'Sundrops Mixture'
Nemophila menziesii Neobuxbaumia polylopha
Neolloydia schmiedickeana Neolloydia valdeziana
Neomarica gracilis Neoregelia x 'Fireball'
Neoregelia x 'Green Apples' Neoregelia x 'King of Kings'
Neoregelia x 'Purple Wave' Neoregelia x 'Royal Burgundy'
Neoregelia x 'Tangerine' Neoregelia carolinae
Neoregelia carolinae 'Variegata' Neoregelia carolinae var. tricolor
Neoregelia concentrica Neoregelia concentrica 'Albu Marginatai'
Neoregelia concentrica 'Bullis' Neoregelia farinosa
Neoregelia fosperier 'Variegata Perfectrum' Neoregelia kautskyi
Neoregelia spectabilis Nepenthes spp.
Nepenthes ventricosa Nepeta x 'Dawn to Dusk'
Nepeta x faassenii Nepeta x faassenii 'Blue Wonder'
Nepeta x faassenii 'Dropmore' Nepeta x faassenii 'Six Hills Giant'
Nepeta x faassenii 'Snowflake' Nepeta x faassenii 'Souvenir d'Andre Chaudron'
Nepeta x faassenii 'Walker's Low' Nepeta sibirica
Nepeta subsessilis Nephrolepis biserrata
Nephrolepis biserrata 'Furcans' Nephrolepis exaltata
Nephrolepis exaltata 'Aurea' Nephrolepis exaltata 'Bostoniensis'
Nephrolepis exaltata 'Crispa' Nephrolepis exaltata 'Dallas'
Nephrolepis exaltata 'Fluffy Ruffles' Nephrolepis exaltata 'Kimberly Queen'
Nephrolepis exaltata 'Portor's Rossevelt' Nephrolepis laurifolia
Nephrophyllidium crista-galli Neptunia aquatica
Neptunia oleracea Nertera granadensis
Nicotiana alata Nicotiana alata 'Avalon Bright Pink'
Nicotiana alata 'Havana Appleblossom' Nicotiana alata 'Nikki Lime'
Nicotiana alata 'Nikki Mix' Nicotiana alata 'Nikki Pink'
Nicotiana alata 'Nikki Rose' Nicotiana langsdorffii
Nicotiana x sanderae 'Avalon Bright Pink' Nicotiana x sanderae 'Avalon Salmon'
Nicotiana x sanderae 'Heaven Scent Mix' Nicotiana x sanderae 'Perfume Deep Purple'
Nicotiana x sanderae 'Perfume Lime' Nicotiana sylvestris
Nicotiana tabacum Nidularium fulgens
Nidularium innocentii var. striatum Nierembergia hippomanica
Nierembergia hippomanica 'Mont Blanc' Nierembergia repens
Nigella damascena Nigella orientalis
Nipponanthemum nipponicum Nolana paradoxa
Nolina bigelowii Nolina recurvata
Nuphar capensis Nuphar polysepala