Common St. Johnswort (Hypericum perforatum L.)

Clusiaceae (Mangosteen Family)

Synonym(s):Klamathweed, St. John’swort

Base Flower Color: Yellow
Reproductive Phenology: Jun, Jul, Aug, Sept
Notes: A single plant may produce up to 100,000 seeds per year. Seeds buried in soil may last for 10 years. Animals that eat St. Johnswort and then are exposed to direct sunshine develop severe sunburns that are seen as skin irritations in non-haired or white areas.

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Fringed Loosestrife (Lysimachia ciliata L.)

Primulaceae (Primrose Family)

Synonym(s): Fringed Loosestrife, Fringed Yellow Loosestrife

Base Flower Color: Yellow
Reproductive Phenology: May, Jun, Jul, Aug, Sept
Bloom Notes: Five-petaled, yellow flowers droop from stalks which arise from the axils of opposite leaves.

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Sampson’s Snakeroot (Orbexilum pedunculatum (Mill.) Rydb.)

Fabaceae (Pea Family)

Base Flower Color: Purple, White
Reproductive Phenology: May, Jun

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Common Bladderwort (Utricularia gibba L.)

Lentibulariaceae (Bladderwort Family)

Synonym(s): Humped Bladderwort, Bladderwort, Conespur Bladderpod

Base Flower Color: Yellow
Reproductive Phenology: May, Jun, Jul, Aug, Sept

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Wood Lily (Lilium philadelphicum L. var. philadelphicum)

Liliaceae (Lily Family)

Synonym(s):Wood Lily, Prairie Lily, Western Red Lily

Base Flower Color: Orange
Reproductive Phenology: Jun, Jul

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Swamp Verbena (Verbena hastata L.)

Verbenaceae (Vervain Family)

Synonym(s): Swamp Verbena, Blue Verbena, Blue Vervain, Simpler’s Joy

Base Flower Color: Blue
Reproductive Phenology: Jun, Jul, Aug, Sept, Oct

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Diamondflowers (Hedyotis nigricans (Lam.) Fosberg)

Rubiaceae (Madder Family)

Synonym(s):Diamondflowers, Narrowleaf Bluets, Baby’s Breath, Bluets, Fine-leaf Bluets

Base Flower Color: White
Reproductive Phenology: Mar, Apr, May, Jun

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Purple Milkwort (Polygala sanguinea L.)

Polygalaceae (Milkwort Family)

Synonym(s): Blood Milkwort

Base Flower Color: Pink
Reproductive Phenology: May, Jun, Jul, Aug
Notes: Underground root gives off wintergreen odor when crushed.

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Thimble Weed (Anemone virginiana L.)

Ranunculaceae (Buttercup Family)

Synonym(s):Tall Thimbleweed, Thimbleweed, Tall Anemone

Base Flower Color: White
Reproductive Phenology: May, Jun, Jul, Aug
Bloom Notes: The distinctive, thimble-shaped group of pistils accounts for the common name.

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White Colicroot (Aletris farinosa L.)

Liliaceae (Lily Family)

Synonym(s): White Colicroot, Colic Root, Unicorn Root

Base Flower Color: White
Reproductive Phenology: May , Jun , Jul , Aug
Bloom Notes: Until the 19th century the roots were collected and used medicinally to treat colic.

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