Plant Gallery
Plant Gallery
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Oenothera albicaulis
Eveningprimrose, Prairie
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Oenothera biennis
Eveningprimrose, Common
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Oenothera curtiflora
Small-Flowered Gaura, Velvetweed = Gaura Parviflora, Gaura Mollis, Gaura, Small-Flowered
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Oenothera elata
Eveningprimrose, Hooker's
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Oenothera filiformis
Gaura, Biennial
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Oenothera laciniata
Eveningprimrose, Cutleaf
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Oenothera parviflora
Eveningprimrose, Small-Flowered
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Oenothera speciosa
Eveningprimrose, Showy
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Oenothera villosa
Eveningprimrose, Silky
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Onopordum acanthium
Scotch Thistle, Cotton Thistle, Scottish Thistle, Thistle, Scotch
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Opuntia humifusa
Pricklypear, Spreading
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Opuntia polyacantha
Plains Prickly-Pear, Hairspine Cactus, Panhandle Prickly-Pear, Starvation Prickly-Pear Cactaceae = The Cactus Family, Pricklypear, Plains
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Origanum vulgare
Oregano, Marjoram, Wild
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Ornithogalum umbellatum
Common Star-Of-Bethlehem, Bird's Milk, Chincherinchee, Dove's-Dung, Nap-At-Noon, Pigeon-Dung, Sleepy-Dick, Snowdrop, Snowdrops, Star-Flower, Star-Of-Bethlehem, Starflower, Summer Snowflake, Ten O'clock Lady
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Orobanche minor
Little Broomrape, Hellroot, Common Broomrape, Lesser Broomrape, Small Broomrape, Clover Broomrape, Broomrape, Small
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Orobanche ramosa
Broomrape, Branched
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Oxalis corniculata
Reeping Woodsorrel, Procumbent Yellow-Sorrel, Sleeping Beauty, Woodsorrel, Creeping
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Oxalis pes-caprae
Bermuda Buttercup, African Wood-Sorrel, Bermuda Sorrel, Buttercup Oxalis, Cape Sorrel, English Weed, Goat's-Foot, Sourgrass, Soursob, Soursop, Oxalis, Buttercup
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Oxalis stricta
Woodsorrel, Yellow
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Oxalis violacea
Woodsorrel, Violet
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Oxytropis lambertii
Crazyweed, Lambert
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Oxytropis sericea
Crazyweed, Silky