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Purple Love Grass
Eragrostis spectabilis
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Quicksilver-weed
Thalictrum dioicum
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Purple Meadowrue
Thalictrum revolutum
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Quilete
Amaranthus caudatus
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Purple Milkwort
Polygala sanguinea
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Quinine Nut
Simmondsia chinensis
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Purple Nootka
Lupinus arcticus
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Quinine, Wild
Parthenium integrifolium ✍
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Purple Passion Flower
Passiflora incarnata ✍
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Rabbit-foot Clover
Trifolium arvense
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Purple Petunia
Ruellia californica
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Rabbitbrush
Ericameria bloomeri ✍
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Purple Pitcher Plant
Sarracenia purpurea
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Rabbitbrush, Common
Ericameria nauseosa ssp. nauseosa var. speciosa
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Purple Prairie Clover
Dalea purpurea
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Rabbitbrush, Rubber
Ericameria nauseosa ssp. nauseosa var. speciosa
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Purple Pricklypear
Opuntia macrocentra
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Rabbitfoot Clover
Trifolium arvense
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Purple Primrose
Asystasia gangetica ✍
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Rabbit’s Foot Fern
Davallia fejeensis ‘Plumosa’ ✍
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Purple Ruellia
Ruellia californica
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Rabo de León
Agave stricta
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Purple Shamrock
Oxalis triangularis
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Raccoon Berry
Podophyllum peltatum
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Purple Thistle
Cirsium horridulum ✍
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Radish, Wild
Raphanus raphanistrum ✍
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Purple Trillium
Trillium erectum
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Radish, Wild
Raphanus sativus ✍
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Purple-flowering Raspberry
Rubus odoratus
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Radishroot Woodsorrel
Oxalis albicans ✍
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Purple-spined Hedgehog
Echinocereus engelmannii
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Ragged Cup
Silphium perfoliatum
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Purple-stem Cliffbrake
Pellaea atropurpurea ✍
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Ragged Robin
Lychnis flos-cuculi
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Purple-stemmed Aster
Symphyotrichum puniceum
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Ragweed
Ambrosia artemisiifolia
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Purpleleaf Willowherb
Epilobium coloratum
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Ragweed, Annual
Ambrosia artemisiifolia
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Purpletop Vervain
Verbena bonariensis ✍
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Ragweed, Common
Ambrosia artemisiifolia
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Purslane, Common
Portulaca oleracea
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Ragwort, Desert
Senecio eremophilus ✍
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Purslane, Milk
Chamaesyce maculata
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Ragwort, Prairie
Packera plattensis ✍
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Purslane, Sea
Sesuvium portulacastrum ✍
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Ragwort, Small’s
Packera anonyma ✍
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Pursley
Portulaca oleracea
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Ragwort, Tansy
Senecio jacobaea ✍
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Pushki
Heracleum maximum
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Railroad Vine
Ipomoea pes-caprae ✍
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Pussley
Portulaca oleracea
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Rain Tree
Attalea cohune ✍
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Pussy Willow
Salix discolor
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Rain, Golden
Laburnum anagyroides
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Pussytoes, Field
Antennaria neglecta ✍
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Rainbow Eucalyptus
Eucalyptus deglupta
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Pussytoes, Plantain-leaved
Antennaria plantaginifolia ✍
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Rainbow Gum
Eucalyptus deglupta
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Pussytoes, Rosy
Antennaria microphylla ✍
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Raisin, Sandpaper
Grewia flavescens ✍
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Puttyroot Orchid
Aplectrum hyemale
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Rama Parda
Ruellia californica
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Pyramid Bugleweed
Ajuga pyramidalis ‘Metallica Crispa’
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Ramanas Rose
Rosa rugosa
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Pyramid flower
Melochia pyramidata ✍
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Rambling Rose
Rosa multiflora
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Pyramidflower
Melochia pyramidata ✍
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Ramp
Allium tricoccum
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Pyrola
Pyrola elliptica ✍
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Rampion Bellflower
Campanula rapunculoides
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Quaker Ladies
Houstonia caerulea
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Ramson
Allium tricoccum
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Quaking Aspen
Populus tremuloides ✍
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Rancher's Fireweed
Amsinckia menziesii var. intermedia
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Queen Anne’s Lace
Daucus carota
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Rancher’s Fiddleneck
Amsinckia menziesii var. intermedia
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Queen Emma Lily
Crinum augustum ‘Queen Emma’ ✍
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Rand’s Goldenrod
Solidago simplex ✍
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Queen Sago Palm
Cycas circinalis ✍
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Ranger, Texas
Leucophyllum frutescens ✍
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Queen Victoria Agave
Agave victoriae-reginae
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Rare Clubmoss
Lycopodium obscurum ✍
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Queen of the Night
Epiphyllum oxypetalum ‘Climax’ ✍
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Raspberry Slime Mold
Tubifera ferruginosa
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Queen of the Night
Cereus hildmannianus ✍
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Raspberry, Flowering
Rubus odoratus
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Queen of the Night
Epiphyllum anguliger
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Raspberry, Purple-flowering
Rubus odoratus
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Queen, Jungle
Alpinia purpurata
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Raspberry, Wild
Rubus idaeus ✍
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Queen, Jungle
Alpinia purpurata cv. ‘Tahitian Ginger’
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Raspberry, Wine
Rubus phoenicolasius
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Queen, Pink
Cleome hassleriana
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Rat Tail Cactus
Disocactus flagelliformis
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Queen-of-the-night
Selenicereus macdonaldiae ✍
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Rattle, Yellow
Rhinanthus minor ✍
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Queensland Bottle Tree
Brachychiton rupestris
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Rattlebox, Low
Crotalaria pumila ✍
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Queensland Lacebark
Brachychiton discolor
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Rattlebox, Showy
Crotalaria spectabilis ✍
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