Low Hop Clover (Trifolium Campestre Schreb.)

Fabaceae (Pea Family) Synonym(s): Field Clover, Hop Clover, Hop Trefoil, Large Hop Clover, Low Hop Clover Base Flower Color: YellowReproductive Phenology: Apr, May, Jun, Jul For more information about this plant, Click Here.

Heartleaf Aster (Symphyotrichum cordifolium (L.) G. L. Nesom)

Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Blue Wood Aster; Heartleaf Blue Wood Aster Base Flower Color: Blue, Purple, YellowReproductive Phenology: Aug, Sept, Oct For more information about this plant, Click Here.

Calico Aster (Symphyotrichum lateriflorum L. ssp?)

Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Calico Aster; One Sided Aster; White Woodland Aster; Starved Aster Base Flower Color: Pink, Purple, White, YellowReproductive Phenology: Aug, Sept, OctBloom Notes: This is one of a group of closely related white, narrow-leaved asters that presumably interbreed and are difficult to distinguish. The common name refers to the fact that theContinue reading “Calico Aster (Symphyotrichum lateriflorum L. ssp?)”

Sicklepod (Senna obtusifolia (L.) H. S. Irwin & Barneby)

Fabaceae (Pea Family) Synonym(s): Coffee Weed; Coffeeweed; Java Bean; Low Senna; Matapasto; Sicklepod Base Flower Color: YellowReproductive Phenology: Apr, May, Jun For more information about this plant, Click Here.

Tansy Rosinweed (Silphium pinnatifidum Elliot)

Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Prairie-dock, Cutleaf Prairie Dock Base Flower Color: YellowReproductive Phenology: Jun, Jul, Aug For more information about this plant, Click Here.

Hairy Sunflower (Helianthus mollis Lam.)

Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Ashy Sunflower, Downy Sunflower Base Flower Color: YellowReproductive Phenology: Jul, Aug, Sept, Oct For more information about this plant, Click Here.

Coppery St. John’s-Wort (Hypericum denticulatum Walter)

Clusiaceae (Mangosteen Family) Base Flower Color: YellowReproductive Phenology: Jul, Aug, Sept For more information about this plant, Click Here.

Dwarf St. Johnswort (Hypericum mutilum L. var. mutilum)

Clusiaceae (Mangosteen Family) Base Flower Color: YellowReproductive Phenology: Jun, Jul, Aug, Sept For more information about this plant, Click Here.

Missouri Evening Primrose (Oenothera macrocarpa ssp. macrocarpa)

Onagraceae (Evening Primrose Family) Synonym(s): Bigfruit Evening-primrose, Fluttermill, Missouri Evening Primrose, Glade Lily Base Flower Color: YellowReproductive Phenology: May, Jun, Jul For more information about this plant, Click Here.

Yellow Trillium (Trillium luteum (Muhl.) Harbison)

Trilliaceae (Trillium Family) Synonym(s): Yellow Wakerobin, Yellow Trillium Base Flower Color: YellowReproductive Phenology: Mar, Apr, May, JunBloom Notes: How to tell the difference between this trillium and a yellow Trillium cuneatum. The filaments of the two species are different colors. The filaments of Trillium luteum are greenish white and those of Trillium cuneatum are brownishContinue reading “Yellow Trillium (Trillium luteum (Muhl.) Harbison)”