Marsh Dayflower (Murdannia keisak (Hassk.) Hand.-Maz.)

Commelinaceae (Spiderwort Family)

Synonym(s): Wartremoving Herb, Mud Annie, Marsh Dewflower, Aneilima, Asian Spiderwort, Marsh Dayflower.

Base Flower Color: Pink
Reproductive Phenology: Sept, Oct
Bloom Notes: M.keisak invades water edges and marshes and often grows immersed. It forms dense mats that out-compete native vegetation. M.keisak is native to temperate and tropical Asia and was accidentally introduced into the United States, in South Carolina, around 1935.

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Hoary Ticktrefoil (Desmodium canescens (L.) DC.)

Fabaceae (Pea Family)

Base Flower Color: Pink, Purple
Reproductive Phenology: Apr, May, Jun

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Boneset (Eupatorium perfoliatum L.)

Asteraceae (Aster Family)

Synonym(s): Common Boneset

Base Flower Color: White
Reproductive Phenology: Aug, Sept, Oct

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Goldentop (Euthamia graminifolia (L.) Nutt. var. graminifolia)

Asteraceae (Aster Family)

Synonym(s): Flat-top Golden top, Grass-leaved Goldenrod

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

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Gray Stemmed Goldenrod (Solidago nemoralis Aiton var. nemoralis)

Asteraceae (Aster Family)

Synonym(s): Gray Goldenrod, Prairie Goldenrod, Oldfield Goldenrod, Grayleaf Goldenrod, Gray-leaved Goldenrod, Dyersweed Goldenrod, Dwarf Goldenrod, Field Goldenrod

Base Flower Color: Yellow
Reproductive Phenology: Aug, Sept, Oct, Nov

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Tall Coreopsis (Coreopsis tripteris L.)

Asteraceae (Aster Family)

Synonym(s): Tall Tickseed, Tall Coreopsis

Base Flower Color: Yellow
Reproductive Phenology: Jul, Aug, Sept
Bloom Notes: Often 8-9 ft. tall (our tallest)

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Devil’s Beggartick (Bidens frondosa L.)

Asteraceae (Aster Family)

Synonym(s): Devil’s Beggartick, Spanish Needles

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

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Annual Ragweed (Ambrosia artemisiifolia L.)

Asteraceae/Compositae (Aster/Composit Family)

Synonym(s): Annual Ragweed, Short Ragweed

Base Flower Color: Yellow, Green
Reproductive Phenology: Jul, Aug, Sept, Oct
Bloom Notes: This plant, not Goldenrod, is a cause of hay fever, recognized by all who suffer the discomfiting allergy.

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Similar Species: Great Ragweed, Giant Ragweed (Ambrosia trifida L.)

Spurred Butterfly Pea (Centrosema virginianum Griseb.)

Fabaceae (Pea Family)

Synonym(s): Blue Bell; Butterfly Pea; Lady’s Slipper; Spurred Butterfly Pea; Wild Pea

Base Flower Color: Pink
Reproductive Phenology: Apr, May, Jun

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Northern Spiderlily (Hymenocallis occidentalis (LeConte) Kunth. var. occidentalis)

Liliaceae (Lily Family)

Synonym(s): Carolina Spiderlily

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

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