Mitracarpus hirtus
Tropical Girdlepod
Moehringia trinervia
Three-nerved Sandwort
Moenchia erecta
Upright Chickweed
Montia fontana
Blinks
Mussaenda erythrophylla
Ashanti Blood
Myrrhis odorata
Sweet Cicely
Nasturtium officinale
Water-cress
Nerine flexuosa
Nymphaea alba
White Water-lily
Nymphaea lotus
Egyptian lotus
Ocimum americanum
American Basil
Ocinum americanum
American Basil
Oenanthe crocata
Hemlock Water-dropwort
Oenanthe fistulosa
Tubular Water-dropwort
Oenanthe lachenalii
Parsley Water-dropwort
Oenanthe pimpinelloides
Corky-fruited Water-dropwort
Oenanthe silaifolia
Narrow-leaved Water-dropwort
Olearia macrodonta
New Zealand Holly
Ophiopogon jaburan
Giant Lilyturf
Ornithogalum umbellatum
Star-of-Bethlehem
Ornithopus perpusillus
Bird's-foot
Oxalis acetosella
Wood-sorrel
Oxalis incarnata
Pale Pink-sorrel
Oxalis triangularis
False Shamrock
Parnassia palustris
Grass-of-Parnassus
Passiflora caerulea
Blue Passionflower
Passiflora foetida
Stinking Passionflower
Pedicularis sylvatica
Lousewort
Persicaria amphibia
Amphibious Bistort
Persicaria hydropiper
Water-pepper
Petasites pyrenaicus
Winter Heliotrope
Philadelphus
Double Mock-orange
Pieris japonica
Pimpinella saxifraga
Burnet-saxifrage
Pinguicula lusitanica
Pale Butterwort
Plantago media
Hoary Plantain
Platanthera bifolia
Lesser Butterfly-orchid
Platanthera chlorantha
Greater Butterfly-orchid
Plumeria alba
Caterpillar Tree
Plumeria obtusa
Frangipani
Plumeria pudica
Bridal Bouquet
Polygala vulgaris
Common Milkwort
Polygonatum odoratum
Angular Solomon's-seal
Polygonatum verticillatum
Whorled Solomon's-seal
Polygonatum x hybridum
Garden Solomon's-seal
Polygonum arenastrum
Equal-leaved Knotgrass
Polygonum oxyspermum
Ray's Knotgrass
Portulaca grandiflora
Rose Moss
Potentilla rupestris
Rock Cinquefoil
Potentilla sterilis
Barren Strawberry
Prunus avium
Wild Cherry
Prunus padus
Bird Cherry
Prunus spinosa
Blackthorn
Pseuderanthemum variabile
Pastel Flower
Pseudofumaria alba
Pale Corydalis
Pseudorchis albida
Small-white Orchid
Pyrola minor
Common Wintergreen
Pyrola rotundifolia
Round-leaved Wintergreen
Pyrus cordata
Plymouth Pear
Radermachera yunnanensis
Ranunculus aquatilis
Common Water-crowfoot
Ranunculus baudotii
Brackish Water-crowfoot
Ranunculus hederaceus
Ivy-leaved Crowfoot
Ranunculus omiophyllus
Round-leaved Crowfoot
Ranunculus peltatus
Pond Water-crowfoot
Ranunculus trichophyllus
Thread-leaved Water-crowfoot
Raphanus raphanistrum
Radish
Raphanus sativus
Garden Radish
Reseda lutea
Wild Mignonette
Reynoutria japonica
Japanese Knotweed