Protea x 'Pink Ice' Protea compacta
Protea compacta 'Red Baron' Protea cynaroides
Protea eximia 'Fiery Dutchess' Protea magnifica x susannae 'Susara'
Protea neriifolia Protea neriifolia 'Pink Splash'
Protea nitida Protea repens
Protea repens 'White Ice' Protea repens x aurea 'Clarks Red'
Prunella grandiflora Prunella grandiflora 'Loveliness'
Prunella vulgaris Pseuderanthemum sinuatum 'Tricolor'
Pteridium aquilinum Pteris ensiformis
Pteris ensiformis 'Evergemiensis' Pteris ensiformis 'Victoriae'
Pueraria lobata 'Variegata' Pulmonaria x 'Apple Frost'
Pulmonaria x 'Berries & Cream' Pulmonaria x 'Cotton Cool'
Pulmonaria x 'Dark Vader' Pulmonaria x 'Emerald Isles'
Pulmonaria x 'High Contrast' Pulmonaria x 'Little Star'
Pulmonaria x 'Majesty' Pulmonaria x 'May Bouquet'
Pulmonaria x 'Milky Way' Pulmonaria x 'Opal'
Pulmonaria x 'Raspberry Ice' Pulmonaria x 'Raspberry Splash'
Pulmonaria x 'Silver Streamers' Pulmonaria x 'Trevi Fountain'
Pulmonaria x 'Victorian Brooch' Pulmonaria angustifolia
Pulmonaria longifolia 'Bertram Anderson' Pulmonaria longifolia 'Cevennensis'
Pulmonaria longifolia 'Diana Clare' Pulmonaria longifolia 'Excalibur'
Pulmonaria longifolia 'Golden Haze' Pulmonaria longifolia 'Little Blue'
Pulmonaria longifolia 'Roy Davidson' Pulmonaria montana 'Bowles Red'
Pulmonaria montana 'David Ward' Pulmonaria montana 'Redstart'
Pulmonaria officinalis 'Sissinghurst White' Pulmonaria officinalis 'White Wings'
Pulmonaria saccharata Pulmonaria saccharata 'British Sterling'
Pulmonaria saccharata 'Dora Bielefeld' Pulmonaria saccharata 'Highdown'
Pulmonaria saccharata 'Janet Fisk' Pulmonaria saccharata 'Lewis Palmer'
Pulmonaria saccharata 'Margery Fish' Pulmonaria saccharata 'Mrs. Moon'
Pulmonaria saccharata 'Pierre's Pure Pink' Pulmonaria saccharata 'Pink Dawn'
Pulsatilla patens 'Alba' Pulsatilla vulgaris
Pulsatilla vulgaris 'Alba' Pulsatilla vulgaris 'Papageno'
Pulsatilla vulgaris 'Rote Glocke' Puschkinia scilloides var. libanotica
Puya alpestris Puya coerulea var. violacea
Puya raimondii Pycnanthemum albescens
Pycnanthemum muticum Pycnostachys dawei
Pyrola asarifolia ssp. asarifolia Pyrostegia venusta
Pyrrosia hastata Pyrrosia lingua
Ranunculus aquatilis Ranunculus asiaticus
Ranunculus asiaticus 'Bloomingdales Pink Shades' Ranunculus flammula
Ranunculus repens Ranunculus repens 'Buttered Popcorn'
Ranunculus repens 'Flore Pleno' Raoulia x 'Greenstone'
Raoulia australis Raoulia glabra
Raoulia haastii Ratibida columnifera
Ratibida pinnata Rebutia donaldiana
Rebutia hoffmannii Rebutia marsoneri
Rebutia minuscula f. karivsiana Rebutia neocumingii
Rebutia pulchra Rebutia totorensis var. lepida
Rebutia xanthocarpa Regnellidium diphyllum
Rehmannia angulata Rehmannia elata