Persicaria vivipara
Alpine Bistort
Persicaria wallichii
Himalayan Knotweed
Petasites fragrans
Winter Heliotrope
Petasites hybridus
Butterbur
Petasites japonicus
Giant Butterbur
Petasites spurius
Petrorhagia prolifera
Proliferous Pink
Petroselinum crispum
Garden Parsley
Phacelia tanacetifolia
Phacelia
Phalaris arundinacea
Reed Canary-grass
Phalaris canariensis
Canary-grass
Phegopteris connectilis
Beech Fern
Philadelphus coronarius
Mock-orange
Phleum arenarium
Sand Cat's-tail
Phleum pratense
Timothy
Phormium cookianum
Lesser New Zealand Flax
Phragmites australis
Common Reed
Phuopsis stylosa
Caucasian Crosswort
Physalis peruviana
Cape-gooseberry
Phyteuma nigrum
Black Rampion
Picea breweriana
Brewer Spruce
Picea koyamai
Kotama's Spruce
Picea omorika
Serbian Spruce
Picris hieracioides
Hawkweed Oxtongue
