Oxeye (Heliopsis helianthoides (L.) Sweet var. helianthoides)

Asteraceae/Compositae (Aster/Composit Family)

Synonym(s): Smooth Oxeye, Oxeye Sunflower, False Sunflower

Base Flower Color: Yellow, Brown (incl. Maroon) (incl. Maroon)
Reproductive Phenology: Jul, Aug, Sept, Oct
Notes: Unlike sunflowers, its rays persist on the flower heads; the rays of sunflowers wither and fall away.

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Water Hemlock (Cicuta maculata L.)

Apiaceae (Carrot Family)

Synonym(s): Spotted Water Hemlock, Water-hemlock, Beaver Poison

Base Flower Color: White
Reproductive Phenology: Apr, May, Jun
Notes: Highly Toxic! May be Fatal if Eaten!

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Groundnut (Apios americana Medik.)

Fabaceae (Pea Family)

Synonym(s): Groundnut, Wild Potato, Indian Potato, American Potatobean

Base Flower Color: Red, Pink, Purple
Reproductive Phenology: Jun, Jul, Aug, Sept

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Harvest Lice (Agrimonia parviflora Aiton)

Rosaceae (Rose Family)

Synonym(s): Harvest Lice, Small-flowered Agrimony, Southern Agrimony, Swamp Agrimony

Base Flower Color: Yellow
Reproductive Phenology: Jul, Aug, Sept
Notes: Agrimonia parviflora has leaves with 11-23 leaflets.

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Whorled Rosinweed (Silphium asteriscus (L.) J. A. Clevinger var. trifoliatum)

Asteraceae/Compositae (Aster/Composit Family)

Synonym(s): Whorled Rosinweed

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

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Square-Stemmed Monkeyflower (Mimulus ringens L.)

Scrophulariaceae (Figwort Family)

Synonym(s): Allegheny Monkeyflower, Square-stemmed Monkeyflower, Square-stem Monkeyflower

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

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Similar Species: Sharpwing Monkeyflower (Mimulus alatus Aiton)

Nits And Lice (Hypericum drummondii (Grev. & Hook.) Torr. & A. Gray)

Clusiaceae (Mangosteen Family)

Synonym(s): Nits And Lice, Drummond’s St. John’s-wort

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

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Orangegrass (Hypericum gentianoides (L.) Britton, Sterns & Poggenb.)

Clusiaceae (Mangosteen Family)

Synonym(s): Orangegrass, Pineweed

Base Flower Color: Yellow
Reproductive Phenology: Jul, Aug, Sept, Oct
Notes: Similar to Nits and Lice (Hypericum drummondii) but much smaller.

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Ribbed Mock Bishopweed (Ptilimnium costatum (Elliott) Raf.)

Apiaceae (Carrot Family)

Synonym(s): Eastern Mock Bishopweed

Base Flower Color: White
Reproductive Phenology: Jun, Jul, Aug, Sept, Oct
Notes: This plant is uncommon throughout its range.

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Widow’s Tears (Brunnichia ovata (Walter) Shinners)

Polygonaceae (Buckwheat Family)

Synonym(s): American Buckwheat Vine

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

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