24 species documented for this period
Asteraceae

common yarrow

Achillea millefolium L.

Flowering season is May through September.; Not given
Lamiaceae

blue giant hyssop

Agastache anethiodora (Nutt.) Britton

fall
Liliaceae

shortstyle onion

Allium brevistylum S. Watson

Spring, summer, or fall
Liliaceae

meadow garlic

Allium canadense L.

Late fall or early spring
Liliaceae

Drummond's onion

Allium nuttallii S. Watson

Late fall; Spring, summer, or fall
Amaranthaceae

redroot amaranth

Amaranthus retroflexus L. var. salicifolius I.M. Johnst.

Autumn
Rosaceae

Saskatoon serviceberry

Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem.

summer; Not given; Ripen in the fall
Fabaceae

eastern redbud

Cercis canadensis L.

Late fall and winter; Early spring
Asteraceae

wavyleaf thistle

Cirsium undulatum (Nutt.) Spreng.

Spring, summer, late fall; Not given
Equisetaceae

field horsetail

Equisetum calderi B. Boivin

Not given 149; Fall; Harvested in spring; Harvested in the fall; Not given
Cactaceae

spinystar

Escobaria vivipara (Nutt.) Buxbaum

Late summer
Asteraceae

common sneezeweed

Helenium autumnale L.

Blooms in September and October
Asteraceae

smallhead sneezeweed

Helenium microcephalum DC.

Late fall
Asteraceae

common sunflower

Helianthus lenticularis Douglas ex Lindl.

fall; Spring through late summer
Unknown

bottle gourd

Lagenaria vulgaris Ser.

fall
Elaeagnaceae

russet buffaloberry

Lepargyrea canadensis (L.) Greene

Not given; Fall
Rosaceae

American plum

Prunus americana Marshall

Midsummer into fall; Not given; Midsummer to fall; Mid-summer to fall
Rosaceae

Chickasaw plum

Prunus angustifolia Marshall

Midsummer into fall
Rosaceae

Oklahoma plum

Prunus gracilis Engelm. & A. Gray

Midsummer to fall
Rosaceae

chokecherry

Prunus virginiana L.

summer; Midsummer into fall (June to October); Ripens and gathered in July; June to October; Not given
Grossulariaceae

golden currant

Ribes aureum Pursh

summer; Not given; August and September; Ripen at the end of June or early July
Asteraceae

Mexican Hat; Prairie Coneflower; upright prairie coneflower

Rudbeckia columnifera Nutt.

fall
Polygonaceae

veiny dock

Rumex venosus Pursh

summer; Autumn; Not given
Asteraceae

Carolina desert-chicory

Sitilias caroliniana (Walter) Raf.

Autumn