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BobOsborn: Odontites vernus (Red Bartsia) - 03 - plant
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BobOsborn: Odontites vernus (Red Bartsia) - 06 - foliage
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BobOsborn: Odontites vernus (Red Bartsia) - 10 - flower spike
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BobOsborn: Odontites vernus (Red Bartsia) - 11 - flowers
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BobOsborn: Odontites vernus (Red Bartsia) - 12 - calyx
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BobOsborn: Oenanthe crocata (Hemlock Water-Dropwort) - 01 - plant in habitat
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BobOsborn: Oenanthe crocata (Hemlock Water-Dropwort) - 03 - plant
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BobOsborn: Oenanthe crocata (Hemlock Water-Dropwort) - 05 - stem detail
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BobOsborn: Oenanthe crocata (Hemlock Water-Dropwort) - 10 - umbel
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BobOsborn: Oenanthe crocata (Hemlock Water-Dropwort) - 11 - flowers
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BobOsborn: Oenanthe crocata (Hemlock Water-Dropwort) - 14 - fruits forming after petal drop
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BobOsborn: Oenanthe pimpinelloides (Corky-Fruited Water-Dropwort) - 01 - plant in habitat
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BobOsborn: Oenanthe pimpinelloides (Corky-Fruited Water-Dropwort) - 06 - foliage
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BobOsborn: Oenanthe pimpinelloides (Corky-Fruited Water-Dropwort) - 09 - buds
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BobOsborn: Oenanthe pimpinelloides (Corky-Fruited Water-Dropwort) - 10a - umbel from above
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BobOsborn: Oenanthe pimpinelloides (Corky-Fruited Water-Dropwort) - 10b - umbel from side
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BobOsborn: Oenanthe pimpinelloides (Corky-Fruited Water-Dropwort) - 16 - scale
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BobOsborn: Oenothera biennis (Common Evening-Primrose) - 03 - plant
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BobOsborn: Oenothera biennis (Common Evening-Primrose) - 11 - flower
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BobOsborn: Oenothera glazioviana (Large-Flowered Evening-Primrose) - 03 - plant
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BobOsborn: Oenothera glazioviana (Large-Flowered Evening-Primrose) - 06 - foliage
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BobOsborn: Oenothera glazioviana (Large-Flowered Evening-Primrose) - 09 - buds
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BobOsborn: Oenothera glazioviana (Large-Flowered Evening-Primrose) - 11 - flower
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BobOsborn: Oenothera stricta (Fragrant Evening-Primrose) - 01 - plants in habitat
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BobOsborn: Oenothera stricta (Fragrant Evening-Primrose) - 03 - plant
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BobOsborn: Oenothera stricta (Fragrant Evening-Primrose) - 05 - stem detail
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BobOsborn: Oenothera stricta (Fragrant Evening-Primrose) - 06 - foliage
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BobOsborn: Oenothera stricta (Fragrant Evening-Primrose) - 09 - buds
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BobOsborn: Oenothera stricta (Fragrant Evening-Primrose) - 11 - flower
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BobOsborn: Oenothera stricta (Fragrant Evening-Primrose) - 12 - calyx