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Scientific and common flower names - A to Z

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Scientific Name Common Name Color
Oenanthe javanica Water parsley white
Oenanthe javanica Water celery/Water parsley white
Oenothera fruticosa Southern sundrops yellow
Oenothera fruticosa Southern sundrops yellow
Oenothera fruticosa Southern sundrops yellow
Oenothera fruticosa Southern sundrops yellow
Oenothera missouriensis Missouri primrose pink & white
Oenothera perennis Small sundrops yellow
Ohacelia heterophylla Varied-leaf phacelia green
Onopordum acanthium Thistle white
Opuntia engelmannii Engelmann's Prickly-pear yellow
Opuntia ficus-indica red
Opuntia phaeacantha Desert prickly-pear pink
Origanum vulgare Aureum green
Origanum vulgare Aureum green
Ornithogalum umbellatum Sleepydic/Star of Bethlehem white
Osmunda cinnamomea Cinnamon Fern brown
Osmunda regalis Fern, royal brown
Osmunda regalis Fern, royal green
Osmunda regalis Fern, royal yellow
Oenanthe javanica Water celery/Water parsley white
Osteospermum fruticosa Freeway daisy white
Osteospermum fruticosa Freeway daisy white
Osteospermum ecklonis African daisy white
Osteospermum 'Whirligig' Osteospermum/Whirligig spoon daisy brown
Osteospermum 'Whirligig' Osteospermum/Spoon daisy white
Ostrya virginiana Hophornbeam, eastern white
Oxalis stricta Creeping wood sorrel yellow
Oxalis stricta Yellow wood sorrel yellow
Oxalis triangularis
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Oxalis, Wood sorrel white
Oxalis triangularis
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Oxalis, Wood sorrel white
Oxalis violacea Oxalis pink
Oxeye Daisy Oxalis pink
More to come