Ocimum americanum
American Basil
Ocinum americanum
American Basil
Odontosoria chinensis
Lace Fern
Ophiopogon jaburan
Giant Lilyturf
Oplismenus compositus
Running Mountaingrass
Opuntia cochenillifera
Cochineal Cactus
Opuntia ficus-indica
Prickly Pear
Opuntia microdasys
Angel's-wings
Osmoxylon lineare
Green Aralia
Oxalis corniculata
Creeping Woodsorrel
Oxalis triangularis
False Shamrock
Pachira glabra
French Peanut
Palhinhaea cernua
Staghorn Clubmoss
Pandanus tectorius
Thatch Screwpine
Panicum trichanthum
Thicket Panic Grass
Passiflora foetida
Stinking Passionflower
Pelargonium zonale
Zonal Geranium
Pentas lanceolata
Egyptian Starcluster
Peperomia pellucida
Pepper Elder
Peperomia polybotrya
Raindrop Peperomia
Pereskia aculeata
Barbados Gooseberry
Persicaria chinensis
Creeping Smartweed
Persicaria lapathifolia
Pale Persicaria
Phalaris arundinacea
Reed Canary-grass