Persicaria lapathifolia
Pale Persicaria
Persicaria maculosa
Redshank
Persicaria minor
Small Water-pepper
Persicaria mitis
Tasteless Water-pepper
Petrorhagia prolifera
Proliferous Pink
Phalaris canariensis
Canary-grass
Phleum arenarium
Sand Cat's-tail
Poa annua
Annual Meadow-grass
Polygonum arenastrum
Equal-leaved Knotgrass
Polygonum aviculare
Knotgrass
Polygonum oxyspermum
Ray's Knotgrass
Ranunculus aquatilis
Common Water-crowfoot
Ranunculus baudotii
Brackish Water-crowfoot
Ranunculus hederaceus
Ivy-leaved Crowfoot
Ranunculus omiophyllus
Round-leaved Crowfoot
Ranunculus parviflorus
Small-flowered Buttercup
Ranunculus peltatus
Pond Water-crowfoot
Ranunculus sardous
Hairy Buttercup
Ranunculus sceleratus
Celery-leaved Buttercup
Ranunculus trichophyllus
Thread-leaved Water-crowfoot
Raphanus raphanistrum
Radish
Rhinanthus angustifolius
Greater Yellow-rattle
Rhinanthus minor
Yellow-rattle
Rorippa islandica
Northern Yellow-cress