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    Columbine

    Aquilegia canadensis
    Poisonous Icon

    Poisonous

    Photo of several big bluestem seed heads against a blue sky.

    Grasses

    All true grasses (species in the grass family).
    Photo of many blooming ashy sunflower plants, showing gray-green leaves.

    Sunflowers

    Helianthus spp.
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    Yellow Violet

    Viola pubescens (formerly V. pensylvanica)
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    Edible