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Weed Information

Weed List

Browse Weeds by Alphabet

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Common name starts with “O”

  1. Old Man’s Beard

    Botanical Name: Clematis vitalba

    Family: Ranunculaceae (buttercup) family

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  2. Onion Weed

    Botanical Name: Allium triquetum

    Family: Liliaceae (lily) family

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  3. Orange Cestrum

    Botanical Name: Cestrum auranticum

    Family: Solanaceae (nightshade) family

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  4. Orange Firethorn

    Botanical Name: Pyracantha angustifolia

    Family: Rosaceae (rose)

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  5. Oxygen Weed

    Botanical Name: Lagarosiphon major

    Family: Hydrocharitaceae (frogbit) family

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  6. Oxylobium

    Botanical Name: Oxylobium lanceolatum

    Family: Fabaceae (pea) family

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