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Flower color
White
Species with white flowers per USDA.
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Showing 301–350 of 464.
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Perideridia gairdneri (Hook. & Arn.) Mathias PEGA3Gardner's yampah · Apiaceae -
Perideridia parishii (J.M. Coult. & Rose) A. Nelson & J.F. Macbr. PEPA21Parish's yampah · Apiaceae -
Petasites frigidus (L.) Fr. var. sagittatus (Banks ex Pursh) Cherniawsky PEFRS5arrowleaf sweet coltsfoot · Asteraceae -
Petitia domingensis Jacq. PEDObastard stopper · Verbenaceae -
Phacelia hastata Douglas ex Lehm. PHHAsilverleaf phacelia · Hydrophyllaceae -
Philadelphus coronarius L. PHCO7sweet mock orange · Hydrangeaceae -
Philadelphus lewisii Pursh PHLE4Lewis' mock orange · Hydrangeaceae -
Philadelphus microphyllus A. Gray PHMI4littleleaf mock orange · Hydrangeaceae -
Phragmites australis (Cav.) Trin. ex Steud. PHAU7common reed · Poaceae -
Phyla nodiflora (L.) Greene PHNO2turkey tangle fogfruit · Verbenaceae -
Physocarpus capitatus (Pursh) Kuntze PHCA11Pacific ninebark · Rosaceae -
Physocarpus malvaceus (Greene) Kuntze PHMA5mallow ninebark · Rosaceae -
Phytolacca americana L. PHAM4American pokeweed · Phytolaccaceae -
Pittosporum tobira (Thunb.) W.T. Aiton PITO2Japanese cheesewood · Pittosporaceae -
Pityopsis graminifolia (Michx.) Nutt. PIGR4narrowleaf silkgrass · Asteraceae -
Polygonum bistortoides Pursh POBI6American bistort · Polygonaceae -
Polygonum punctatum Elliott POPU5dotted smartweed · Polygonaceae -
Polygonum viviparum L. POVI3alpine bistort · Polygonaceae -
Populus angustifolia James POAN3narrowleaf cottonwood · Salicaceae -
Populus fremontii S. Watson POFR2Fremont cottonwood · Salicaceae -
Populus heterophylla L. POHE4swamp cottonwood · Salicaceae -
Populus nigra L. PONILombardy poplar · Salicaceae -
Primula incana M.E. Jones PRINsilvery primrose · Primulaceae -
Prunus americana Marshall PRAMAmerican plum · Rosaceae -
Prunus angustifolia Marshall PRAN3Chickasaw plum · Rosaceae -
Prunus emarginata (Douglas ex Hook.) D. Dietr. PREMbitter cherry · Rosaceae -
Prunus fasciculata (Torr.) A. Gray PRFAdesert almond · Rosaceae -
Prunus maritima Marshall PRMA2beach plum · Rosaceae -
Prunus padus L. PRPA5European bird cherry · Rosaceae -
Prunus pensylvanica L. f. PRPE2pin cherry · Rosaceae -
Prunus pumila L. PRPU3sandcherry · Rosaceae - Prunus pumila L. var. besseyi (L.H. Bailey) Gleason PRPUBwestern sandcherry · Rosaceae
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Prunus serotina Ehrh. PRSE2black cherry · Rosaceae - Prunus serotina Ehrh. var. rufula (Wooton & Standl.) McVaugh PRSER2black cherry · Rosaceae
- Prunus subcordata Benth. PRSU2Klamath plum · Rosaceae
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Prunus tomentosa Thunb. PRTO80Nanking cherry · Rosaceae -
Prunus virginiana L. PRVIchokecherry · Rosaceae - Prunus virginiana L. var. demissa (Nutt.) Torr. PRVIDwestern chokecherry · Rosaceae
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Psidium guajava L. PSGUguava · Myrtaceae - Psydrax odorata (G. Forst.) A.C. Sm. & S. Darwin PSODalahe'e · Rubiaceae
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Purshia stansburiana (Torr.) Henrickson PUSTStansbury cliffrose · Rosaceae -
Purshia tridentata (Pursh) DC. PUTR2antelope bitterbrush · Rosaceae -
Pyracantha coccinea M. Roem. PYCO2scarlet firethorn · Rosaceae -
Pyrus communis L. PYCOcommon pear · Rosaceae -
Rhamnus crocea Nutt. RHCRredberry buckthorn · Rhamnaceae -
Rhododendron albiflorum Hook. RHAL2Cascade azalea · Ericaceae -
Rhododendron arborescens (Pursh) Torr. RHAR3smooth azalea · Ericaceae - Rhododendron occidentale (Torr. & A. Gray) A. Gray RHOCwestern azalea · Ericaceae
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Rhus microphylla Engelm. ex A. Gray RHMI3littleleaf sumac · Anacardiaceae -
Rhus ovata S. Watson RHOVsugar sumac · Anacardiaceae