Mirabilis jalapa
Marvel of Peru
Miscanthus sinensis
Chinese Silver Grass
Mitracarpus hirtus
Tropical Girdlepod
Moehringia trinervia
Three-nerved Sandwort
Momordica charantia
Bitter Gourd
Monoon longifolium
False Ashoka
Morus nigra
Mulberry
Muntingia calabura
Cotton Candy Berry
Murraya paniculata
Orange Jasmine
Musa acuminata
Cavendish Banana
Musa x paradisiaca
Banana
Mussaenda erythrophylla
Ashanti Blood
Mussaenda philippica
Agboy
Myosotis discolor
Changing Forget-me-not
Myosotis stricta
Narcissus nobilis
Large-flowered Daffodil
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
Ophrys apifera
Bee Orchid
Ophrys fuciflora
Late Spider-orchid
Ophrys insectifera x apifera
Ophrys sphegodes
Early Spider-orchid
Oplismenus compositus
Running Mountaingrass
Opuntia cochenillifera
Cochineal Cactus
Opuntia ficus-indica
Prickly Pear
Opuntia microdasys
Angel's-wings
Orchis mascula
Early-purple Orchid
Orchis militaris
Military Orchid
Orchis purpurea
Lady Orchid
Orchis simia
Monkey Orchid
Orchis x angusticruris
Lady#Orchid#/ Monkey#Orchid#hybrid
Oreopteris limbosperma
Lemon-scented Fern
Orobanche caryophyllacea
Bedstraw Broomrape
Orobanche picridis
Oxtongue Broomrape
Orobanche rapum-genistae
Greater Broomrape
Orthilia secunda
Serrated Wintergreen
Osmoxylon lineare
Green Aralia
Osmunda regalis
Royal Fern
Oxalis acetosella
Wood-sorrel
Oxalis corniculata
Creeping Woodsorrel
Oxalis incarnata
Pale Pink-sorrel
Oxalis triangularis
False Shamrock
Oxybasis glauca
Oak-leaved Goosefoot
Pachira glabra
French Peanut
Palhinhaea cernua
Staghorn Clubmoss
Pandanus tectorius
Thatch Screwpine
Panicum trichanthum
Thicket Panic Grass
Papaver cambricum
Welsh Poppy